Emergency group call establishment method, device, terminal and storage medium

Abstract

The present application relates to a method, device, electronic device and storage medium for establishing an emergency group call, the method comprising: receiving a group call establishment request sent by an active terminal connected via an active channel along an active channel, the group call establishment request carrying backup channel information and signaling information corresponding to the active channel; determining a backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel via the backup channel, broadcasting the signaling information to the passive terminal via the backup channel; receiving authentication response information sent by the active terminal, and sending the authentication response information to the passive terminal via the backup channel, so that after receiving the authentication response information, the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal. Through the present application, the problems of difficulty in realizing intercommunication of the configuration environment and low efficiency in establishing group calls when establishing a new group call in the related technology are solved.

Description

Technical Field

[0001] The present application relates to the field of communication technology, and in particular to a method, device, terminal and storage medium for establishing an emergency group call. Background Art

[0002] The group communication system is a mobile communication system used for group dispatching and commanding communication. It is mainly used in the field of professional mobile communications. The available channels of the system can be shared by all user terminals of the system and have the function of automatic channel selection. It is a multi-purpose and high-efficiency wireless dispatching communication system that shares resources, shares costs, and uses channel equipment and services. The most important and commonly used voice service of the cluster system is group calling. Group calling refers to the call group as the most basic communication organization in the cluster system. Multiple user terminals can be grouped into a call group through user terminal coding. User terminal buttons can be used for group calling. Only user terminals with the same group number can communicate with members of the group.

[0003] In the related art, the establishment of a group call by a terminal depends on the configuration of the terminal performing the communication, such as frequency, color code, and group call identifier. If one of the above configurations corresponding to the terminal performing the group call communication is not satisfied, the corresponding group call cannot be established. In the related art, when a customer encounters an emergency and needs to temporarily establish a new group call, the corresponding group call cannot be established because the configuration environments of at least two call groups to be established for the new group call are not interoperable. At the same time, in the related art, it is difficult to achieve interoperability of the configuration environment when establishing a new group call, and the efficiency of establishing the group call is low.

[0004] There is no effective solution to the problem that when establishing a new group call in the related technology, it is difficult to achieve intercommunication of the configuration environment and the efficiency of establishing the group call is low. Summary of the invention

[0005] The present application provides an emergency group call establishment method, device, terminal and storage medium to at least solve the problems of difficulty in realizing intercommunication of configuration environments and low efficiency in establishing group calls when establishing a new group call in related technologies.

[0006] In the first aspect, the present application provides an emergency group call establishment method, which is applied to a repeater station, and the method includes: receiving a group call establishment request sent along the active channel by an active terminal connected through an active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal is currently performing group call communication; determining a backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel through the backup channel, broadcasting the signaling information to the passive terminal through the backup channel; receiving authentication response information sent by the active terminal, and sending the authentication response information to the passive terminal through the backup channel, so that the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal after receiving the authentication response information, wherein the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel.

[0007] In the second aspect, the present application provides an emergency group call establishment method, which is applied to an active terminal. The method includes: after confirming that the passive terminal has an access intention to request the establishment of an emergency group call, sending the group call establishment request to the repeater through the active channel corresponding to the current group call communication, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the repeater is used to establish a connection with the passive terminal through the backup channel corresponding to the backup channel information, and then broadcast the signaling information to the passive terminal through the backup channel; receive the authentication response sent by the repeater through the active channel, and send the authentication response information of the authentication response to the repeater, so that the passive terminal performs wireless settings based on the signaling information after receiving the authentication response information sent by the repeater to access the active channel, wherein the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel; when the passive terminal accesses the active channel, establish a call with the passive terminal.

[0008] In the third aspect, the present application provides an emergency group call establishment method, which is applied to a passive terminal, and the method includes: after determining that the active terminal is aware of the access intention to request the establishment of an emergency group call, waiting on a preset backup channel to receive the signaling information broadcast by the repeater on the backup channel, wherein the repeater switches to the backup channel after receiving the group call establishment request sent by the active terminal through the active channel, and the group call establishment request carries the signaling information and the backup channel information corresponding to the backup channel, and the signaling information includes a dynamic authorization code and wireless setting parameters corresponding to the active channel to be accessed; obtain the dynamic authorization code from the signaling information, and send the authentication response obtained after decoding the dynamic authorization code to the repeater through the backup channel; after receiving the authentication response information sent by the repeater, perform wireless settings based on the wireless setting parameters to access the active channel and establish a call with the active terminal, wherein the active terminal sends the authentication response information obtained by responding to the authentication response to the repeater through the active channel after receiving the authentication response sent by the repeater. In a fourth aspect, the present application provides an emergency group call establishment device, which is applied to a repeater station, including: a receiving module, which is used to receive a group call establishment request sent by an active terminal connected through an active channel along the active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal is currently performing group call communication; a determination module, which is used to determine the backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel through the backup channel, broadcast the signaling information to the passive terminal through the backup channel; a processing module, which is used to receive the authentication response information sent by the active terminal, and send the authentication response information to the passive terminal through the backup channel, so that the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal after receiving the authentication response information, wherein the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel.

[0009] In a fifth aspect, an active terminal is provided, comprising a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other via the communication bus;

[0010] Memory, used to store computer programs;

[0011] The processor is used to implement the steps of the emergency group call establishment method as described in any embodiment of the second aspect and / or the third aspect when executing the program stored in the memory.

[0012] In a sixth aspect, a computer-readable storage medium is provided, on which a computer program is stored. When the computer program is executed by a processor, the steps of the emergency group call establishment method as described in any embodiment of the first aspect, the steps of the emergency group call establishment method as described in any embodiment of the second aspect, or the steps of the emergency group call establishment method as described in any embodiment of the third aspect are implemented.

[0013] Compared with the related art, the present embodiment provides an emergency group call establishment method, device, terminal and storage medium, which receives a group call establishment request sent by an active terminal connected via an active channel along the active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal is currently performing group call communication; determines a backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel via the backup channel, broadcasts the signaling information to the passive terminal via the backup channel; receives the active terminal The authentication response information sent is used to send authentication response information, and the authentication response information is sent to the passive terminal through the backup channel, so that the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal after receiving the authentication response information. The authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel. This solves the problem of difficulty in achieving intercommunication of the configuration environment and low efficiency in establishing group calls when establishing a new group call in the related technology, and achieves the beneficial effect of building a communication environment under different frequencies in a short time in an emergency situation, thereby temporarily establishing a new group call.

[0014] Details of one or more embodiments of the present application are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and, together with the description, serve to explain the principles of the invention.

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 A flowchart of a method for establishing an emergency group call provided in an embodiment of the present application;

[0018] Figure 2A flowchart of another method for establishing an emergency group call provided in an embodiment of the present application;

[0019] Figure 3 A flowchart of another method for establishing an emergency group call provided in an embodiment of the present application;

[0020] Figure 4 A flowchart of another method for establishing an emergency group call provided in a preferred embodiment of the present application;

[0021] Figure 5 A schematic diagram of group call communication interaction provided by a preferred embodiment of the present application;

[0022] Figure 6 is a structural block diagram of an emergency group call establishment device according to an embodiment of the present application;

[0023] Figure 7 is a schematic diagram of the structure of the active terminal in an embodiment of the present application;

[0024] Figure 8 It is a schematic diagram of the structure of a passive terminal according to an embodiment of the present application. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0026] The various technologies described in this application can be applied to the creation of temporary group calls and the intercommunication of communication configuration environments in a trunking communication system, so as to build a communication environment in a short time under different frequencies (or other configurations).

[0027] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0028] Figure 1 A flowchart of a method for establishing an emergency group call provided in an embodiment of the present application. Figure 1 As shown, the embodiment of the present application provides an emergency group call establishment method, which is applied to a repeater, and the method includes the following steps:

[0029] Step S101: receiving a group call establishment request sent by an active terminal connected via an active channel along an active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal currently performs group call communication.

[0030] The repeater is also known as a relay station, a signal transfer station, etc. In an intercom system, the repeater plays an extremely important role in increasing the communication distance and expanding the coverage area. It is an indispensable and important device for a professional wireless communication system. In this embodiment, the corresponding signaling information is forwarded by the repeater, so that two talk groups in non-intercommunication configuration environments can form a temporary group call.

[0031] In this embodiment, before establishing an emergency group call, a talk group composed of multiple active terminals performs group call communication through an active channel, the active channel is the communication configuration environment of the talk group, and the multiple active terminals are on standby under the corresponding communication configuration environment; correspondingly, a talk group composed of multiple passive terminals performs group call communication through a passive channel, the passive channel is the communication configuration environment of the talk group, the passive channel and the active channel are not connected to each other, and the multiple passive terminals are on standby under the corresponding communication configuration environment.

[0032] In this embodiment, when the user needs to establish an emergency group call, that is, the passive terminal requests access to the active channel to make a call with the active terminal, the passive terminal and the active terminal have reached a corresponding intention. It should be understood that although the communication configuration environments corresponding to the talk group corresponding to the active terminal and the talk group corresponding to the passive terminal are not interoperable, it is feasible for the passive terminal to inform the active terminal of the corresponding access intention. In this embodiment, the passive terminal and the active terminal reach a corresponding intention not through the communication channel and communication environment established by the emergency group call in the embodiment of the application, but adopt other ways to achieve the intention of both parties to reach a consensus, for example: the leader machine in the passive terminal and the leader machine in the active terminal can communicate with each other through other methods to negotiate and complete the intention of both parties to establish a corresponding emergency group call. It should be understood that the corresponding intention reached by both parties is not a restriction on the establishment of the emergency group call in the embodiment of the present application, and the corresponding intention reached by both parties is the prerequisite for executing the emergency group call function in the embodiment of the present application. In this embodiment, when the passive terminal knows that the active terminal has known the reception of the request to establish an emergency group call, the passive terminal can reach a corresponding intention. After entering the intention, it will wait in a channel dedicated to receiving the corresponding signaling information (for example, a backup channel). The active terminal sends the signaling information and the backup channel information corresponding to the active channel to the repeater. After the repeater switches to the backup channel corresponding to the backup channel information, since the passive terminal has been waiting on the backup channel, the passive terminal can receive the signaling information corresponding to the active channel. In this embodiment, when the active terminal learns the corresponding access intention, an active terminal as a leader among multiple active terminals in the active channel environment will start the group call function, that is, the corresponding group call establishment request is sent to the repeater through the active channel. After the repeater switches to the backup channel corresponding to the backup channel information carried in the group call establishment request, the signaling information carried in the group call establishment request is transmitted to multiple passive terminals through the backup channel. In this embodiment, the multiple passive terminals include passive terminals connected to the repeater through the backup channel, and also include other passive terminals connected to one or more of the multiple passive terminals connected to the repeater. The other passive terminals authorize the corresponding passive terminal as their own leader.

[0033] In this embodiment, before the passive terminal sends the corresponding access intention to the active terminal, the passive channel corresponding to the passive channel and the active channel are not connected to each other. After the passive terminal sends the corresponding access intention, the passive terminal that wants to access the active channel corresponding to the active terminal will switch from the already accessed passive channel to the backup channel to wait. The channel switching performed by the passive terminal is based on the Over-The-Air Programming (OTAP) protocol to perform corresponding channel modification. In this embodiment, the repeater can also perform channel switching. Before starting the emergency group call function, the repeater is accessed to the active channel, that is, the repeater is in the communication configuration environment where the talk group corresponding to the active channel is located, and the repeater can receive the group call establishment request sent by the active terminal. After the repeater receives the group call establishment request, based on the OTAP protocol, the channel is switched, that is, the channel is switched to the backup channel corresponding to the backup channel information carried in the group call establishment request, thereby accessing the communication configuration environment currently in which the passive terminal is located.

[0034] Step S102: determine the backup channel corresponding to the backup channel information, and after establishing a connection with the passive terminal waiting on the backup channel through the backup channel, broadcast the signaling information to the passive terminal through the backup channel.

[0035] In this embodiment, when the repeater receives the group call establishment request, it performs wireless modification (Over The Air Config, OTAC) based on the OTAP protocol to complete the switching of the corresponding channel to the backup channel, thereby establishing a connection with the passive terminal waiting on the backup channel, and broadcasting the signaling information to the passive terminal so that the passive terminal receives the corresponding signaling information.

[0036] Step S103, receiving the authentication response information sent by the active terminal, and sending the authentication response information to the passive terminal through the backup channel, so that after receiving the authentication response information, the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal, wherein the authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel.

[0037] In this embodiment, after the passive terminal receives the corresponding signaling information, it is necessary to decode the dynamic authorization code carried in the signaling information to obtain the corresponding authentication key, and use the decoded authentication key as the corresponding authentication response, which is sent to the repeater through the backup channel. The repeater sends the authentication response to the active terminal. After verifying whether the authentication key matches, the active terminal will send a response message through the active channel, the repeater and the backup channel, that is, send the corresponding authentication response information to inform the passive terminal of the corresponding authentication result, so as to determine whether the passive terminal is allowed to access the active channel and establish a call with the active terminal. When the authentication response information received by the passive terminal is to allow access to the active channel, the channel configuration information is modified based on the OTAP protocol according to the corresponding signaling information received, and the passive terminal completes the switch from the backup channel to the active channel, thereby accessing the communication configuration environment corresponding to the active channel, and can establish a call with the corresponding active terminal.

[0038] In this embodiment, during the channel switching process of the passive channel, the parameters corresponding to the modification of the channel configuration information include: adding group call contacts, adding and deleting receiving group list members, modifying the terminal identification ID, modifying the channel frequency (Frequence Point, FP), modifying the channel time slot, modifying the channel color code (Color Code, CC) and modifying the current channel transmission contact, etc.

[0039] Through the above steps S101 to S103, a group call establishment request sent by an active terminal connected through an active channel along an active channel is received, the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal currently performs group call communication; a backup channel corresponding to the backup channel information is determined, and after a connection is established with a passive terminal waiting on the backup channel through the backup channel, the signaling information is broadcast to the passive terminal through the backup channel; an authentication response information sent by the active terminal is received, and the authentication response information is sent to the passive terminal through the backup channel, so that after receiving the authentication response information, the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal, and the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel, so as to solve the problem of great difficulty in realizing intercommunication of the configuration environment and low efficiency in establishing a group call when establishing a new group call in the related technology, and realize the beneficial effect of building a communication environment under different frequencies in a short time in an emergency situation, thereby temporarily establishing a new group call.

[0040] It should be noted that the emergency group call establishment method of the embodiment of the present application utilizes a preset backup channel for emergency calls to enable terminals in different areas and without any connection to establish a signaling communication carrier.

[0041] In some embodiments, the group call establishment request further includes a preset target parameter, and after the signaling information is broadcast to the passive terminal through the backup channel, the following steps are further performed:

[0042] Step 21: Based on preset target parameters, determine a time threshold for allowing a passive terminal to access an active channel.

[0043] In this embodiment, the preset target parameters include but are not limited to the time for establishing the emergency group call, and the preset target parameters are preset values ​​when the emergency group call function is started. Through the preset value, the length of time for establishing the emergency group call is limited. Within the corresponding time range, the passive terminal that meets the set conditions is allowed to access the active channel and then establish a call with the active terminal.

[0044] Step 22, starting from the time when the first passive terminal performs wireless settings and accesses the active channel, the switching time of the passive terminal accessing the active channel is recorded.

[0045] In this embodiment, the switching time of the passive terminal accessing the active channel is recorded by a timer; when the timing ends, it means that the corresponding passive terminal is no longer allowed to access the active channel.

[0046] Step 23: When the switching time is greater than the time threshold, a termination signaling message is sent to the active terminal to terminate the corresponding passive terminal's access to the active channel.

[0047] In this embodiment, when the switching time is greater than the time threshold, it means that the timer has expired. At this time, the corresponding passive terminal is no longer allowed to access the active channel. At the same time, the repeater will send the corresponding end information to the active terminal, that is, send termination signaling information to terminate the passive terminal's access to the active channel.

[0048] Through the above steps 21 to 23, based on the preset target parameters, the time threshold for allowing the passive terminal to access the active channel is determined; starting from the time when the first passive terminal performs wireless settings and accesses the active channel, the switching time for the passive terminal to access the active channel is recorded; when the switching time is greater than the time threshold, a termination signaling message is sent to the active terminal to terminate the corresponding passive terminal's access to the active channel, thereby terminating the emergency group call function after the preset target is met.

[0049] In some of the embodiments, the data encapsulation formats corresponding to the group call establishment request, the signaling information and the termination signaling information all include short message formats.

[0050] In this embodiment, the active terminal sends a group call establishment request to the repeater, the repeater sends signaling information to the passive terminal through the backup channel, and the repeater sends termination signaling information to the active terminal, all in the form of short messages.

[0051] In some of the embodiments, before establishing a connection with the passive terminal through the backup channel, the following steps are further implemented:

[0052] Step 31: Obtain at least the first channel frequency, the first channel time slot and the first channel color code corresponding to the backup channel from the backup channel information.

[0053] In this embodiment, channel switching is achieved by performing channel modification based on wireless setting parameters of the corresponding channel, such as channel frequency, channel time slot and channel color code.

[0054] Step 32: performing channel modification based on the first channel frequency, the first channel time slot and the first channel color code to switch to the backup channel.

[0055] At least the first channel frequency, the first channel time slot and the first channel color code corresponding to the backup channel are obtained from the backup channel information in the above steps 31 to 32; based on the first channel frequency, the first channel time slot and the first channel color code, the channel is modified to switch to the backup channel, thereby realizing the switching of the repeater to the backup channel, so that the repeater can connect with the passive terminal waiting on the backup channel through the backup channel, and send signaling information to the passive terminal, so that in an emergency, a communication loop under different frequencies can be established in a short time and a new group call can be temporarily established.

[0056] In some of the embodiments, the signaling information carries a dynamic authorization code indicating that the passive terminal is allowed to access the active channel. Before receiving the authentication response information sent by the active terminal and sending the authentication response information to the passive terminal through the backup channel, the following steps are further implemented:

[0057] Step 41: Receive an authentication response for authenticating and decoding the dynamic authorization code in the signaling information, which is sent by the passive terminal through the backup channel.

[0058] Step 42: After sending the authentication response to the active terminal through the active channel, receiving the authentication response information sent by the active terminal.

[0059] In this embodiment, after receiving the corresponding signaling information, the passive terminal cannot directly modify the signaling configuration information based on the signaling information. It is necessary to first authenticate according to the dynamic authorization code carried in the signaling information, that is, decode the dynamic authorization code to obtain the corresponding authentication key, and send it to the relay station with the authentication key as the corresponding authentication response, and the relay station sends it to the active terminal through the active channel, so that the active terminal can judge the authentication key after receiving the authentication response, that is, receiving the authentication key, to determine whether the passive terminal has decoded correctly, and then send a response to the authentication result to the relay station through the active channel. After receiving the authentication response information, the relay station sends the authentication response information to the passive terminal through the backup channel, so that the passive terminal can clearly understand whether it is allowed to access the active channel.

[0060] By receiving the authentication response sent by the passive terminal through the backup channel in the above steps for authenticating and decoding the dynamic authorization code in the signaling information; after sending the authentication response to the active terminal through the active channel, receiving the authentication response information sent by the active terminal, the forwarding of the signaling for authentication between the passive terminal and the active terminal is realized, thereby ensuring that the passive terminal establishing an emergency group call with the active terminal is a passive terminal with the intention of requesting to establish an emergency group call, thereby ensuring the security of the group call establishment.

[0061] Figure 2 A flowchart of another method for establishing an emergency group call provided in an embodiment of the present application. Figure 2 As shown, an embodiment of the present application provides an emergency group call establishment method, which is applied to an active terminal, and the method includes the following steps:

[0062] Step S201: after confirming that the passive terminal has the access intention to request to establish an emergency group call, the group call establishment request is sent to the repeater through the active channel corresponding to the current group call communication, wherein the group call establishment request carries the backup channel information and the signaling information corresponding to the active channel. The repeater is used to establish a connection with the passive terminal through the backup channel corresponding to the backup channel information, and then broadcast the signaling information to the passive terminal through the backup channel.

[0063] In this embodiment, the subject that executes the emergency group call establishment method is an active terminal; in this embodiment, the active terminal is a terminal that starts the emergency group call function when the corresponding terminal wants to access the communication configuration environment corresponding to the active channel connected to the active terminal, and the terminal that actually actively wants to access is the passive terminal in this embodiment, and before the active terminal starts the emergency group call function, the passive terminal and the active terminal will transmit the corresponding access intention to the active terminal in a direct or indirect manner, that is, the two parties have reached an intention to establish an emergency group call. After the active terminal clearly defines the corresponding access intention, the emergency group call function is started, and the group call establishment request is sent to the repeater through the active channel corresponding to the current communication configuration environment of the active terminal, so that the repeater switches to the backup channel corresponding to the backup channel information carried in the group call establishment request after receiving the group call establishment request, and then establishes a connection with the passive terminal in the communication configuration environment corresponding to the active terminal that wants to access, and then sends the signaling information carried in the group call establishment request for characterizing the communication configuration environment of the active channel to the passive terminal along the backup channel, so as to realize the sending of the corresponding communication environment configuration parameters.

[0064] In this embodiment, the passive terminal and the active terminal reach a corresponding intention not through the communication channel and communication environment established by the emergency group call in the embodiment of the application, but adopt other ways to achieve the intention of both parties to reach a consensus, for example: the leader machine in the passive terminal and the leader machine in the active terminal can communicate with each other through other methods to negotiate and complete the intention of both parties to establish a corresponding emergency group call; it should be understood that the corresponding intention of both parties is not a restriction on the establishment of the emergency group call in the embodiment of the present application, and the corresponding intention of both parties is the prerequisite for executing the emergency group call function in the embodiment of the present application.

[0065] Step S202, receiving the authentication response sent by the repeater through the active channel, and sending the authentication response information to the authentication response to the repeater, so that the passive terminal performs wireless settings based on the signaling information after receiving the authentication response information sent by the repeater to access the active channel. The authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel.

[0066] In this embodiment, before the active terminal establishes a connection with the passive terminal, the active terminal needs to verify the decoding result of the dynamic authorization code carried in the signaling information by the passive terminal, that is, to verify the authentication response. Therefore, it will receive the authentication response forwarded by the repeater. After verifying the authentication response, it will send the corresponding authentication response information to the repeater, and then the repeater will send the corresponding authentication response information to the passive terminal, so that the passive terminal can determine whether it is allowed to access the active channel according to the result of the received authentication response information; and when the passive terminal determines that it is allowed to access the active channel, it performs wireless settings based on the signaling information to access the active channel after completing the modification of the channel configuration information.

[0067] Step S203: When the passive terminal accesses the active channel, a call is established with the passive terminal.

[0068] In this embodiment, the signaling information is information that describes the corresponding wireless setting parameters of the active channel for the active terminal to perform group call communication, and includes at least one or more of the following: channel time slot, channel color code, and channel frequency. By modifying the corresponding channel time slot, color code, and frequency to be consistent with the relevant parameters corresponding to the signaling information, the passive terminal is connected to the active channel and a call with the active terminal is established.

[0069] Through the above steps S201 to S203, after receiving the access intention of the passive terminal to request to establish an emergency group call, the group call establishment request is sent to the repeater through the active channel corresponding to the current group call communication, wherein the group call establishment request carries the backup channel information and the signaling information corresponding to the active channel; the authentication response sent by the repeater through the active channel is received, and the authentication response information of the authentication response is sent to the repeater, so that the passive terminal performs wireless settings based on the signaling information to access the active channel after receiving the authentication response information sent by the repeater, wherein the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel; when the passive terminal accesses the active channel, a call is established with the passive terminal, which solves the problem of great difficulty in realizing intercommunication of the configuration environment and low efficiency in establishing the group call when establishing a new group call in the related technology, and achieves the beneficial effect of building a communication environment under different frequencies in a short time in an emergency situation, thereby temporarily establishing a new group call.

[0070] In some of the embodiments, after establishing a call with a passive terminal, the following steps are further implemented: receiving termination signaling information sent by the repeater, and terminating the call with the passive terminal that has no access to the active channel based on the termination signaling information.

[0071] In this embodiment, when the group call establishment request also carries a preset target parameter for limiting the time for establishing an emergency group call, the preset target parameter is a preset value when the emergency group call function is started. Through the preset value, the length of time for establishing an emergency group call is limited. Within the corresponding time range, passive terminals that meet the set conditions are allowed to access the active channel and establish a call with the active terminal. When the time for establishing the group call reaches the preset value, the repeater sends a termination signaling message to the active terminal. At this time, the repeater will switch from the backup channel to the active channel, so that the repeater can send the termination signaling message to the active terminal.

[0072] In this embodiment, when the active terminal receives the corresponding termination signaling information, the leader corresponding to the authorization of the active terminal will no longer accept the corresponding passive terminal to access the active channel.

[0073] Figure 3 A flowchart of another method for establishing an emergency group call provided in an embodiment of the present application is shown below. Figure 3 As shown, an embodiment of the present application provides an emergency group call establishment method, which is applied to a passive terminal, and the method includes the following steps:

[0074] Step S301, after determining that the active terminal is aware of the access intention to request to establish an emergency group call, wait on the preset backup channel to receive the signaling information broadcast by the repeater on the backup channel, wherein the repeater switches to the backup channel after receiving the group call establishment request sent by the active terminal through the active channel. The group call establishment request carries the signaling information and the backup channel information corresponding to the backup channel, and the signaling information includes the dynamic authorization code and the wireless setting parameters corresponding to the active channel to be accessed.

[0075] In this embodiment, the passive terminal that wants to establish an emergency group call and establish a call with the active terminal is the execution subject, and by executing in a preset backup channel to wait for receiving signaling information transmitted by the active terminal through the repeater, the two terminals whose communication configuration environments are not interoperable establish a carrier for signaling communication, and use OTAC modification based on the signaling information to complete the passive terminal access to the active channel corresponding to the active terminal.

[0076] In this embodiment, the passive terminal and the active terminal reach a corresponding intention not through the communication channel and communication environment established by the emergency group call in the embodiment of the application, but adopt other ways to achieve the intention of both parties to reach a consensus, for example: the leader machine in the passive terminal and the leader machine in the active terminal can communicate with each other through other methods to negotiate and complete the intention of both parties to establish a corresponding emergency group call; it should be understood that the corresponding intention of both parties is not a restriction on the establishment of the emergency group call in the embodiment of the present application, and the corresponding intention of both parties is the prerequisite for executing the emergency group call function in the embodiment of the present application.

[0077] Step S302: Acquire a dynamic authorization code from the signaling information, and send an authentication response obtained by decoding the dynamic authorization code to the repeater through a backup channel.

[0078] Step S303, after receiving the authentication response information sent by the repeater, wireless settings are performed based on the wireless setting parameters to access the active channel and establish a call with the active terminal, wherein the active terminal, after receiving the authentication response sent by the repeater, sends the authentication response information obtained by responding to the authentication response to the repeater through the active channel.

[0079] In this embodiment, after the signaling information is sent to the passive terminal, the passive terminal obtains the dynamic authorization code carried in the signaling information (the dynamic authorization code has been generated correspondingly when the active terminal sends the group call establishment request) and performs authentication to determine whether the passive terminal can perform OTAC modification based on the wireless setting parameters corresponding to the signaling information; the passive terminal decodes the dynamic authorization code and sends the corresponding authentication key after decoding to the active terminal for verification. If the verification is successful, it means that the passive terminal has been authenticated successfully. The successfully authenticated passive terminal performs wireless settings based on the wireless setting parameters to complete the switch to the communication configuration environment corresponding to the active channel. At the same time, it also establishes a call with the active terminal to complete the establishment of the emergency group call.

[0080] Through the above steps S301 to S303, after determining that the active terminal is aware of the access intention to request to establish an emergency group call, the repeater waits on the preset backup channel to receive the signaling information broadcast by the repeater on the backup channel, wherein the repeater switches to the backup channel after receiving the group call establishment request sent by the active terminal through the active channel, the group call establishment request carries the signaling information and the backup channel information corresponding to the backup channel, the signaling information includes the dynamic authorization code and the wireless setting parameters corresponding to the active channel to be accessed; the dynamic authorization code is obtained from the signaling information, and the authentication information obtained after decoding the dynamic authorization code is decoded. The authorization response is sent to the repeater through the backup channel; after receiving the authentication response information sent by the repeater, wireless settings are performed based on the wireless setting parameters to access the active channel and establish a call with the active terminal, wherein, after receiving the authentication response sent by the repeater, the active terminal sends the authentication response information obtained by responding to the authentication response to the repeater through the active channel, which solves the problem of difficulty in achieving intercommunication of the configuration environment and low efficiency in establishing group calls when establishing a new group call in the related technology, and achieves the beneficial effect of building a communication environment under different frequencies in a short time in an emergency situation, thereby temporarily establishing a new group call.

[0081] In some embodiments, before the preset backup channel waits to receive the signaling information broadcast by the repeater on the backup channel, the following steps are further implemented:

[0082] Step 51: At least obtain a second channel frequency, a second channel time slot, and a second channel color code corresponding to a preset backup channel.

[0083] Step 52: Based on the second channel frequency, the second channel time slot and the second channel color code, perform channel modification to switch to the backup channel.

[0084] At least the second channel frequency, the second channel time slot and the second channel color code corresponding to the preset backup channel are obtained through the above steps 51 to 52; based on the second channel frequency, the second channel time slot and the second channel color code, the channel is modified to switch to the backup channel, so that the passive terminal switches to the passive channel for waiting after sending an access intention to the active terminal to access the active channel corresponding to the active terminal, so that the passive terminal establishes a connection with the passive terminal when the repeater switches to the backup channel, and receives the signaling communication carrier sent by the repeater to establish a connection between the passive terminal and the active terminal, that is, the connection of the communication configuration environment corresponding to the active channel of the active terminal, so as to build a communication loop under different frequencies in a short time and temporarily establish a new group call in an emergency.

[0085] Figure 4 A flowchart of another method for establishing an emergency group call provided in a preferred embodiment of the present application is shown below. Figure 5 A schematic diagram of group call communication interaction provided by a preferred embodiment of the present application; Figure 4 and Figure 5 As shown, the preferred embodiment of the present application provides an emergency group call establishment method, including an active terminal, a repeater and a passive terminal, and the method includes the following steps:

[0086] Step S401, active terminal (reference Figure 5 T1 in the group call setup request to the repeater (refer to Figure 5 R1 in ), then execute step S402.

[0087] In this embodiment, the active terminal uses the active channel (refer to Figure 5 f1) in the figure sends a group call establishment request to the repeater. At this time, the repeater is connected to the active terminal through an active channel. The group call establishment request carries signaling information and backup channel information, wherein the signaling information includes FP, CC, ID, and Time. Time is a preset value at startup, which is used to characterize the running time of the group call establishment function. Within this time range, the passive terminal that meets the conditions is allowed to access the active channel corresponding to the active terminal.

[0088] Step S402, passive terminal (reference Figure 5 T2 in) switches to or is in the backup channel (refer to Figure 5f2) in the above, the repeater switches to the backup channel, and then executes step S403.

[0089] In this embodiment, when initiating the establishment of an emergency group call, the passive terminal can be in a preset backup channel for establishing an emergency group call, or it can be placed in a backup channel and wait through channel switching before the repeater switches to the backup channel. Preferably, by setting a backup channel for establishing an emergency group call, when the passive terminal wants to establish a group call with an active terminal that is not connected to the communication configuration environment, the preset backup channel is used to construct a signaling communication carrier so that the passive terminal can establish an emergency group call with the corresponding active terminal.

[0090] Step S403: The repeater sends information signaling to the passive terminal via the backup channel, and then executes step S404.

[0091] Step S404: The passive terminal that has obtained the authentication key switches to the active channel and establishes a call with the active terminal, and then executes step S405.

[0092] Step S405: After reaching the preset target (Time timer ends), the repeater sends an end message to the active terminal, and then executes S406.

[0093] Step S406: A call is established between the active terminal and the passive terminal.

[0094] It should be noted that, in the above steps, the group call establishment request in step S401 is sent by the active terminal as the leader among the active terminals, the signaling information in steps S401 and S403 is carried by short messages, and the end message in step S405 is carried in the form of short messages.

[0095] Through the above steps, the backup channel is used to establish a signaling communication carrier for terminals in different areas and without any connection; at the same time, the authorization leader mechanism and dynamic authorization mechanism improve the security of the entire system.

[0096] In this embodiment, an emergency group call establishment device is also provided, which is used to implement the above embodiments and preferred implementation modes, and the descriptions that have been made will not be repeated. The terms "module", "unit", "subunit" and the like used below can implement a combination of software and / or hardware of predetermined functions. Although the devices described in the following embodiments are preferably implemented in software, the implementation of hardware, or a combination of software and hardware, is also possible and conceivable.

[0097] Figure 6 is a structural block diagram of an emergency group call establishment device according to an embodiment of the present application, such as Figure 6 As shown, an emergency group call establishment device provided in an embodiment of the present application is applied to a repeater, and the device includes:

[0098] A receiving module 61 is used to receive a group call establishment request sent by an active terminal connected through an active channel along an active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal currently performs group call communication;

[0099] The determination module 62 is coupled to the receiving module 61 and is used to determine the backup channel corresponding to the backup channel information, and after establishing a connection with the passive terminal waiting on the backup channel through the backup channel, broadcast the signaling information to the passive terminal through the backup channel;

[0100] The processing module 63 is coupled to the determination module 62, and is used to receive the authentication response information sent by the active terminal, and send the authentication response information to the passive terminal through the backup channel, so that after receiving the authentication response information, the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal, wherein the authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel.

[0101] Through the device of the embodiment of the present application, a group call establishment request sent by an active terminal connected through an active channel along an active channel is received, the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal currently performs group call communication; a backup channel corresponding to the backup channel information is determined, and after establishing a connection with a passive terminal waiting on the backup channel through the backup channel, the signaling information is broadcast to the passive terminal through the backup channel; the authentication response information sent by the active terminal is received, and the authentication response information is sent to the passive terminal through the backup channel, so that after receiving the authentication response information, the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal, and the authentication response information is used to characterize whether the active terminal allows the passive terminal to access the active channel, which solves the problem of great difficulty in realizing intercommunication of the configuration environment and low efficiency in establishing the group call when establishing a new group call in the related technology, and realizes the beneficial effect of building a communication environment under different frequencies in a short time in an emergency situation, thereby temporarily establishing a new group call.

[0102] In some of the embodiments, the group call establishment request also includes a preset target parameter, and the device is used to: determine a time threshold for allowing a passive terminal to access an active channel based on the preset target parameter; record the switching time of the passive terminal accessing the active channel starting from the time when the first passive terminal performs wireless settings and accesses the active channel; when the switching time is greater than the time threshold, send a termination signaling message to the active terminal to terminate the corresponding passive terminal's access to the active channel.

[0103] In some of the embodiments, before establishing a connection with the passive terminal through a backup channel, the device is also used to: obtain at least the first channel frequency, the first channel time slot and the first channel color code corresponding to the backup channel from the backup channel information; and perform channel modification based on the first channel frequency, the first channel time slot and the first channel color code to switch to the backup channel.

[0104] In some of the embodiments, the signaling information carries a dynamic authorization code that indicates permission for the passive terminal to access the active channel. The device is also used to receive an authentication response sent by the passive terminal through a backup channel to authenticate and decode the dynamic authorization code in the signaling information; after sending the authentication response to the active terminal through the active channel, receive the authentication response information sent by the active terminal.

[0105] Figure 7 is a schematic diagram of the structure of the active terminal in an embodiment of the present application, such as Figure 7 As shown, an embodiment of the present application provides an active terminal, including a processor 71, a communication interface 72, a memory 73 and a communication bus 74, wherein the processor 71, the communication interface 72, and the memory 73 communicate with each other through the communication bus 74.

[0106] A memory 73, for storing computer programs;

[0107] The processor 71 is used to execute the program stored in the memory 73 to achieve Figure 2 The method steps in .

[0108] The processing in the electronic device is implemented Figure 2 The method steps in the embodiment have the same technical effects as those of the above embodiment. Figure 2 The technical effect of the method for establishing an emergency group call is the same and will not be repeated here.

[0109] The communication bus mentioned in the above terminal can be a Peripheral Component Interconnect (PCI) bus or an Extended Industry Standard Architecture (EISA) bus. The communication bus can be divided into an address bus, a data bus, a control bus, etc. For ease of representation, Figure 7 Only one thick line is used in the diagram, but this does not mean that there is only one bus or only one type of bus.

[0110] The communication interface is used for communication between the above terminal and other devices.

[0111] The memory may include a random access memory (RAM) or a non-volatile memory, such as at least one disk memory. Optionally, the memory may also be at least one storage device located away from the aforementioned processor.

[0112] The above-mentioned processor can be a general-purpose processor, including a central processing unit (CPU), a network processor (NP), etc.; it can also be a digital signal processor (DSP), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components.

[0113] Figure 8 is a schematic diagram of the structure of a passive terminal in an embodiment of the present application, such as Figure 8 As shown, the embodiment of the present application provides a passive terminal, including a processor 81, a communication interface 82, a memory 83 and a communication bus 84, wherein the processor 81, the communication interface 82, and the memory 83 communicate with each other through the communication bus 84.

[0114] A memory 83, for storing computer programs;

[0115] The processor 81 is used to execute the program stored in the memory 83 to achieve Figure 3 The method steps in .

[0116] The processing in the electronic device is implemented Figure 3 The method steps in the embodiment have the same technical effects as those of the above embodiment. Figure 3 The technical effect of the method for establishing an emergency group call is the same and will not be repeated here.

[0117] The embodiment of the present application further provides a computer-readable storage medium on which a computer program is stored. When the computer program is executed by a processor, the steps of the emergency group call establishment method provided in any of the aforementioned method embodiments are implemented.

[0118] In another embodiment provided by the present application, a computer program product including instructions is also provided. When the computer program product is executed on a computer, the computer executes the steps of the emergency group call establishment method described in any one of the above embodiments.

[0119] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0120] The foregoing is merely a specific embodiment of the present invention, which enables those skilled in the art to understand or implement the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A method for establishing an emergency group call, applied to a repeater, characterized in that: include: receiving a group call establishment request sent by an active terminal connected via an active channel along the active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize a communication environment in which the active terminal currently performs group call communication; Determine a backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel through the backup channel, broadcast the signaling information to the passive terminal through the backup channel; Receive the authentication response information sent by the active terminal, and send the authentication response information to the passive terminal through the backup channel, so that the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal after receiving the authentication response information, wherein the authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel, and the access intention of the emergency group call is the intention of the emergency group call established through negotiation between the leader machine in the passive terminal and the leader machine in the active terminal.

2. The method according to claim 1, characterized in that The group call establishment request further includes a preset target parameter. After the signaling information is broadcast to the passive terminal through the backup channel, the method includes: Based on the preset target parameter, determining a time threshold for allowing the passive terminal to access the active channel; Starting from the time when the first passive terminal performs wireless setting and accesses the active channel, recording the switching time when the passive terminal accesses the active channel; When the switching time is greater than the time threshold, termination signaling information for terminating the corresponding passive terminal from accessing the active channel is sent to the active terminal.

3. The method according to claim 2, characterized in that The data encapsulation formats corresponding to the group call establishment request, the signaling information and the termination signaling information all include short message formats.

4. The method according to claim 2, characterized in that: Before establishing a link with the passive terminal through the backup channel, the method includes: From the backup channel information, at least obtain a first channel frequency, a first channel time slot, and a first channel color code corresponding to the backup channel; Based on the first channel frequency, the first channel time slot and the first channel color code, channel modification is performed to switch to the backup channel.

5. The method according to claim 1, characterized in that The signaling information carries a dynamic authorization code indicating that the passive terminal is allowed to access the active channel. Before receiving the authentication response information sent by the active terminal and sending the authentication response information to the passive terminal through the backup channel, the method further includes: receiving an authentication response for authenticating and decoding the dynamic authorization code in the signaling information, which is sent by the passive terminal through the backup channel; After sending the authentication response to the active terminal through the active channel, receiving the authentication response information sent by the active terminal.

6. A method for establishing an emergency group call, applied to an active terminal, characterized in that: The method comprises: After confirming that the passive terminal has an access intention to request to establish an emergency group call, the group call establishment request is sent to the repeater through the active channel corresponding to the current group call communication, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the repeater is used to establish a connection with the passive terminal through the backup channel corresponding to the backup channel information, and then broadcast the signaling information to the passive terminal through the backup channel; Receiving an authentication response sent by the repeater through the active channel, and sending authentication response information of the authentication response to the repeater, so that the passive terminal performs wireless settings based on the signaling information after receiving the authentication response information sent by the repeater to access the active channel, wherein the authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel, and the access intention of the emergency group call is the intention of the emergency group call established by negotiation between the leader machine in the passive terminal and the leader machine in the active terminal; When the passive terminal accesses the active channel, a call is established with the passive terminal.

7. The method according to claim 6, characterized in that After establishing the call with the passive terminal, the method further includes: receiving termination signaling information sent by the repeater, and terminating the call with the passive terminal that has not accessed the active channel based on the termination signaling information.

8. An emergency group call establishment method, applied to a passive terminal, characterized in that: The method comprises: After determining that the active terminal is aware of the access intention to request to establish an emergency group call, wait on a preset backup channel to receive signaling information broadcast by the repeater on the backup channel, wherein the repeater switches to the backup channel after receiving the group call establishment request sent by the active terminal through the active channel, the group call establishment request carries the signaling information and backup channel information corresponding to the backup channel, and the signaling information includes a dynamic authorization code and wireless setting parameters corresponding to the active channel to be accessed; Acquire the dynamic authorization code from the signaling information, and send the authentication response obtained after decoding the dynamic authorization code to the repeater through the backup channel; After receiving the authentication response information sent by the repeater, wireless settings are performed based on the wireless setting parameters to access the active channel and establish a call with the active terminal, wherein, after receiving the authentication response sent by the repeater, the active terminal sends the authentication response information obtained by responding to the authentication response to the repeater through the active channel, and the access intention of the emergency group call is the intention of the emergency group call established through negotiation between the leader machine in the passive terminal and the leader machine in the active terminal.

9. The method according to claim 8, characterized in that Before the preset backup channel waits for receiving the signaling information broadcast by the repeater on the backup channel, the method includes: At least obtaining a preset second channel frequency, a second channel time slot and a second channel color code corresponding to the backup channel; Based on the second channel frequency, the second channel time slot and the second channel color code, the channel configuration information is modified to switch to the backup channel.

10. An emergency group call establishment device, applied to a repeater, characterized in that: include: A receiving module, configured to receive a group call establishment request sent by an active terminal connected via an active channel along the active channel, wherein the group call establishment request carries backup channel information and signaling information corresponding to the active channel, and the active channel is used to characterize the communication environment in which the active terminal currently performs group call communication; A determination module, configured to determine a backup channel corresponding to the backup channel information, and after establishing a connection with a passive terminal waiting on the backup channel through the backup channel, broadcast the signaling information to the passive terminal through the backup channel; A processing module is used to receive the authentication response information sent by the active terminal, and send the authentication response information to the passive terminal through the backup channel, so that the passive terminal performs wireless settings based on the signaling information to access the active channel and establish a call with the active terminal after receiving the authentication response information, wherein the authentication response information is used to indicate whether the active terminal allows the passive terminal to access the active channel, and the access intention of the emergency group call is the intention of the emergency group call established through negotiation between the leader machine in the passive terminal and the leader machine in the active terminal.

11. A terminal, characterized in that: It includes a processor, a communication interface, a memory and a communication bus, wherein the processor, the communication interface and the memory communicate with each other through the communication bus; Memory, used to store computer programs; The processor is used to implement the steps of the emergency group call establishment method described in any one of claims 6-7 or 8-9 when executing the program stored in the memory.

12. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the steps of the emergency group call establishment method according to any one of claims 1 to 9 are implemented.

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