43 results about "IP Multimedia Subsystem" patented technology

The present invention discloses a third party registration processing method based on the IMS network, which comprises that a UE completes the registration on a S-CSCF entity; the S-CSCF entity starts a waiting timer; the UE and a P-CSCF entity initiate and complete a registration status subscribing respectively to the S-CSCF entity; the S-CSCF entity initiate a third party registration to an AS when the waiting time of the waiting timer is enough. Through the present invention, the S-CSCF entity performs a waiting after the UE is successfully registered, to make the subscribing success of the registration status of the P-CSCF and the UE take precedence over the third party registration and avoid the situation of conflicting data of the UE, the P-CSCF, the S-CSCF and an HSS, to make the UE, the P-CSCF and the S-CSCF effectively process the abnormal circumstance occurred when the third party registration fails.

The invention belongs to the technical field of communication, and particularly relates to an NFC (Near Field Communication) encrypted IMS (IP Multimedia Subsystem) server security data exchange method, which comprises the following steps of: in response to a near field communication connection event, acquiring an original service data message of service equipment to be opened and physical environment data monitored when the event occurs, forming a seed data set, executing Hash operation to generate an initial data fingerprint, and sending the initial data fingerprint to a server; and generating a symmetric session key through a key derivation algorithm by combining a device identifier in the original service data message, so as to encrypt the original service data message, packaging an encrypted data packet and the initial data fingerprint into a transmission data packet, sending the transmission data packet to an IMS server, reconstructing the session key by the server based on expected service parameters stored locally, and sending the session key to the IMS server. According to the method, decryption verification of the encrypted data packet is carried out, and service opening is executed after the verification is passed, so that deep binding of an encryption process and data integrity verification is realized, and the security of data exchange and the system processing efficiency are improved.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. In accordance with an embodiment of the disclosure, a method for transmitting artificial intelligence (AI) model data via an IP multimedia subsystem (IMS) is provided. The method comprises transmitting to a user equipment (UE) a session description protocol (SDP) offer message comprising a first attribute indicating at least one AI model; receiving from the UE a SDP answer message comprising the first attribute; and transmitting to the UE AI model data based on the first attribute, wherein the first attribute comprises at least a set of parameters corresponding to the at least one AI model, and wherein the set of parameters comprises a first parameter indicating whether the at least one AI model is a partial AI model or not.

The invention discloses a communication method and a communication device, which are used for avoiding the phenomenon that a terminal crashes or falls back in the processing process of an IMS (IP Multimedia Subsystem) service. The communication method comprises the following steps: in a process that a first terminal device requests an IMS service, a first network element determines a network type of a first mobile communication network accessed by the first terminal device, namely a first network type, of a target mobile communication network accessed by the first terminal device; the first network element sends a first message to the second network element, the first message being used for instructing the first terminal device to request the IMS service, and the first message comprising the first network type; the second network element sends a second message to a fourth network element, wherein the second message is used for requesting identity information of the first terminal equipment; the second network element receives a third message from a fourth network element, wherein the third message comprises identity information; and the second network element executes the IMS service requested by the first terminal device according to the identity information of the first terminal device.

Systems, methods and devices are provided for receiving, by a wireless device, an authentication request via an IP multimedia subsystem data channel (IMS DC), in response to receiving the authentication request, generating, by the wireless device, an authentication response and transmitting, by the wireless device, the authentication response using the IMS DC.

The invention provides a resource release method and apparatus, an electronic device and a storage medium, and when user equipment successfully cancels registration to a 5G core network and cancels registration to an IP multimedia subsystem abnormally, a first registration request is sent to the 5G core network, so that the 5G core network reallocates a second IP address to the user equipment. And sending a second registration request at least carrying the second IP address and the first IP address involved in the registration cancelling abnormity to the IP multimedia subsystem, so that the IP multimedia subsystem releases the resource of the first IP address and establishes the resource of the second IP address according to the second registration request, problems of IP address conflict and unrecovered resources caused by registration cancelling abnormity are avoided, and stable operation of communication service is ensured.

The invention discloses a signaling distribution method and system based on a communication capability open platform, and the system comprises the steps: a signaling distribution gateway northbound as a signaling entrance is responsible for receiving a call signaling from an IMS (IP Multimedia Subsystem), and the call signaling is sent to a corresponding capability center according to an SC field in the call signaling and an SC configuration list preset by the capability distribution gateway in a memory; calling signaling information is recorded to the cache middleware; the capability center is configured with at least one capability center set, receives the call signaling from the signaling distribution gateway, calls a service query interface of the capability distribution gateway to query service information, processes the service information and sends the call signaling back to the signaling distribution gateway; the capability distribution gateway northward serves as a service entry to provide capability for a third-party service party to call, and the capability distribution gateway southward serves as a query entry to provide data for the capability center to carry out next call processing; and the cache middleware records the call signaling received by the signaling distribution gateway and carries out failed routing processing. According to the invention, decoupling of signaling distribution and processing functions is realized.

The present disclosure provides a method, device, apparatus and storage medium based on a star-ground fusion network to solve the problem of large transmission delay of service data. The method comprises: receiving a registration request sent by a user equipment (UE), wherein the registration request comprises first information, and the first information is used to indicate that the UE supports on-satellite data channel capability; and sending a registration response to the UE, wherein the registration response comprises second information, and the second information is used to indicate that an IP multimedia subsystem (IMS) network supports on-satellite data channel capability.

Example communication methods and apparatuses are provided. One example method includes receiving, by a session management network element, first information from user equipment, where the first information indicates a target IP multimedia subsystem (IMS) network to which the user equipment requests to connect, the target IMS network is one of a plurality of IMS networks, and the target IMS network is provided by a target service provider. The session management network element determines first call information based on the first information, where the first call information indicates a target proxy call network element, and the first call information is for establishing a connection between the user equipment and the target IMS network. The session management network element sends the first call information to the user equipment.

The invention relates to an IMS (IP Multimedia Subsystem) registration method and device, electronic equipment and a storage medium, and the IMS registration method comprises the steps: determining a second PCSCF (Proxy Call Session Control Function) network address based on a pre-recorded PCSCF network address set in response to the fact that a terminal fails to establish a TCP (Transmission Control Protocol) connection based on a first PCSCF network address allocated by network equipment, pCSCF network addresses corresponding to one or more operator networks are recorded in the PCSCF network address set, and the first PCSCF network address and the second PCSCF network address belong to the same operator network; and based on the second PCSCF network address, TCP connection with the network equipment is re-established, so that IMS registration of an internet protocol multimedia subsystem is completed. According to the method and the device, the TCP connection is reestablished by using the pre-recorded PCSCF network address set, and the success rate of completing IMS registration is improved.

The present teachings disclose a system and method for accessing a cellular network system including: checking, at a Serving Call Session Control Function (SCSCF), legitimacy of an International Mobile Equipment Identity (IMEI) included in an registration request with an Equipment Identity Register (EIR) check; determining a SCSCF action based on a response code of an EIR response from the EIR check; and performing the SCSCF action, wherein the registration request comprises an IP Multimedia Subsystem (IMS) REGISTER.

This application relates to the field of communication network operation and maintenance, and provides a method, apparatus, electronic device, and storage medium for voice quality testing. The method includes: constructing a hybrid test path, wherein the hybrid test path includes at least one simulated network element and at least one existing network element, wherein the at least one simulated network element belongs to the core network domain and / or the IP Multimedia Subsystem (IMS) domain; performing end-to-end VoNR (Voice over Radio) service testing on the hybrid test path and recording the test results; and determining the faulty network element based on the hybrid test path and the test results. This method achieves accurate and efficient location of faulty network elements for VoNR voice services.

This application discloses a communication method, apparatus, terminal, and network-side device, belonging to the field of communication technology. The communication method of this application includes: a terminal receiving first information; wherein the first information includes at least one of the following: first indication information and second indication information; the first indication information is used to indicate that the network supports the transmission of IP Multimedia Subsystem IMS voice via packet switching (PS), and the second indication information is used to indicate that the network supports IMS voice via satellite; based on the first information, it is determined that the network supports IMS voice via satellite.

The invention provides a wireless call method, a wireless call system, electronic equipment, a storage medium and a program product, relates to the technical field of wireless communication, and is used for enabling a calling party to directly access a core network through a wireless network to establish a call between the calling party and a called party. The method comprises the following steps: in response to a call request of a first mobile subscriber identification code to a second mobile subscriber identification code, requesting a session token from a server; the session token comprises a session identifier; in response to the received session token returned by the server, sending a first session signaling to the server; the first session signaling comprises a session token, a first mobile user identification code and a second mobile user identification code; the first session signaling is used for indicating the server to verify the session initiation authority of the first mobile subscriber identification code according to the session token, and sending a second session signaling to an IMS (IP Multimedia Subsystem) deployed in a core network; the second session signaling is used for indicating the centralized IMS to establish a session between the first mobile user identification code and the second mobile user identification code.

The invention provides a call pushing method, system and platform, an internet, a medium and a program product, relates to the technical field of communication, and is used for improving the user experience of a called terminal. The method comprises the following steps: a unified push platform in an IP multimedia subsystem (IMS) network receives a call request forwarded by a network element in the IMS network when a forwarding condition is satisfied; the forwarding condition is that a called terminal of the call request is determined to be in an off-line state; and determining a channel pushing strategy of the call request, and sending the channel pushing strategy of the call request to the Internet, so that the Internet matches a corresponding pushing channel according to the channel pushing strategy, and pushes the call request to the called terminal through the matched pushing channel.

An IP multimedia subsystem (IMS) server may include a memory and a processor (including one or more processors), wherein the processor: receives, from an electronic device which includes a first subscriber identification module for storing first subscriber identification information and a second subscriber identification module for storing second subscriber identification information, a message that requests IP multimedia subsystem (IMS) registration of the electronic device; proceeds with IMS registration for the second subscriber identification module of the electronic device on the basis of the second subscriber identification information included in the message; on the basis of receiving, from an external electronic device, a request for a call to the electronic device, makes a call connection request to the electronic device by using the second subscriber identification module; on the basis that a call connection request time for the electronic device exceeds a specified level, transmits, to the external electronic device, a message indicating that the electronic device is on a call; receives, from the electronic device, a message including information on a start time and an end time of a call using the first subscriber identification module; and on the basis of the received message, identifies whether there has been a call connection request using the second subscriber identification module between the start time and the end time of the call using the first subscriber identification module.

A method performed by a client on a user equipment is provided. The method includes sending, to an Internet Protocol (IP) multimedia subsystem (IMS), a request for information for data channel (DC) media. The method includes receiving the information for the DC media, wherein the information indicates the DC media is capable of being split rendered. And the method includes initiating, based on the information for the DC media that indicates the DC media is capable of being split rendered, one or more operations of a procedure to establish a split rendering session over a standalone IMS DC session.

A method and a device for recovering a call service in a mobile communication system are provided. The method includes the following steps determining whether a second cell satisfies a condition for a terminal to perform an IP multimedia subsystem (IMS) registration when detecting that the terminal enters the second cell during a period in which the terminal waits for a next IMS registration due to an IMS registration failure in a first cell, initiating an initial IMS registration when determining that the second cell satisfies the condition, and recovering a call service of the terminal after the initial IMS registration is successful.

A wireless communication method is disclosed. The method includes: a unified data storage unit receiving IP Multimedia Subsystem (IMS) information for a user equipment (UE), and the unified data storage unit storing the received IMS information.

The invention relates to a multi-party call method, device and system and user equipment, and relates to the technical field of communication. The multi-party call method is executed by first user equipment, and comprises the following steps: interaction with second user equipment participating in a multi-party call is carried out through an application program installed on the first user equipment, the second user equipment is provided with the application program, the multi-party call is carried out based on an IP multimedia subsystem IMS, and a server of the application program participates in the multi-party call.

Systems and methods are provided for optimizing evolved packet system (EPS) fallback handling in telecommunication networks. The system ensures voice call continuity during transitions from 5G to 4G when data session setup is delayed or fails. It detects EPS fallback at an IP multimedia subsystem (IMS) session management function (SMF), receives a context request from an access and mobility management function (AMF), and sends an IMS context response with an EPS fallback flag. The AMF forwards the request to both IMS and data SMFs, prioritizing the IMS response. If the data response is not received within a set time, the AMF uses the IMS context alone and forwards it to the mobility management entity (MME), which prioritizes IMS setup.

A system of a telecommunications network that uses IP Multimedia Subsystem (IMS) network elements to screen inbound calls. A Media Resource Function (MRF) intercepts an inbound call and uses various techniques to screen the call. The MRF redirects the call to an interactive voice response (IVR) system, which prompts the caller to state the caller's name, records the caller's response, and relays it to the called subscriber, who can then decide to accept or reject the call. The system can present a random number challenge to the caller. The system can use machine learning analytics and a large language model (LLM) to analyze the response's contents, accepting the call only if it relates to a topic allowed by the subscriber, perform audio analysis to determine whether the caller sounds robotic, or detect whether the response contains other known robocall markers.

The present disclosure provides a method by a proxy-call session control function (P-CSCF) due to a change of satellites. The method includes receiving, from a network entity, a notification of a satellite event, the notification including a satellite ID of a target satellite; requesting an access gateway (AGW) to configure an internet protocol (IP) address allocated in a user equipment (UE); and transmitting, to an IP multimedia subsystem (IMS) application server (AS), a first message associated with a session initiation protocol (SIP), the first message including the IP address allocated in the AGW and the satellite ID of the target satellite.

The embodiment of the invention relates to the technical field of communication, and provides a voice translation method, device and equipment for an IMS (IP Multimedia Subsystem) scheduling terminal, and the method comprises the steps: after the IMS scheduling terminal establishes communication connection with an opposite terminal, the audio data of the opposite terminal and the IMS scheduling terminal are respectively stored in a receiving queue and a sending queue; reading the cache amounts of the receiving queue and the sending queue regularly according to a preset cycle period, when the cache amounts of the two queues reach a first preset threshold value, sending the audio data of the receiving queue and the sending queue to a voice recognition server for translation, and receiving returned opposite-end voice texts and IMS scheduling terminal voice texts; and if the opposite-end voice text and the IMS scheduling terminal voice text are complete statements, displaying the opposite-end voice text and the IMS scheduling terminal voice text on an IMS scheduling terminal whiteboard in a chat type layout. According to the embodiment of the invention, the accuracy of voice translation of the IMS scheduling terminal can be improved, and the user experience can be improved.

Methods and systems for a location-based serving call session control function (S-CSCF) selection in an IP multimedia subsystem (IMS) network is disclosed. According to an implementation, an interrogating CSCF (I-CSCF) of an IMS network receives a request to register a user equipment (UE) to use an IP multimedia service. The request may be a session initiation protocol (SIP) register. The I-CSCF determines that the UE is located in a first region based on the geographic information in the request. The I-CSCF may determine, based at least in part on the cell global identity (CGI) information in the SIP register, that the UE is previously registered through a different region. The I-CSCF may determine a serving CSCF (S-CSCF) located in the first region to provide the IP multimedia service to the UE. The I-CSCF further registers the UE on the S-CSCF.

The disclosure relates to a 5G or 6G communication system for supporting a higher data rate. A method performed by a user equipment (UE) includes receiving from a base station first configuration information including information on frequencies for early measurement reporting (EMR), receiving from the base station second configuration information including information on frequencies for cell reselection, transmitting to the base station a message including a measurement result of at least some of the frequencies for EMR and the frequencies for cell reselection, and performing EPS fallback to one frequency based on the measurement result. In case that the second configuration information comprises a field indicating fallback or the UE has switched to a connected mode to start an IP multimedia subsystem (IMS) voice service, the message comprises a measurement result of at least some of the frequencies for cell reselection.

The invention provides an IMS (IP Multimedia Subsystem) multimedia call method and system. The method comprises the following steps: calling equipment initiates a session request to an IMS SIP server platform, wherein the session request comprises type information of the calling equipment; wherein the calling device type information at least comprises a calling type; the IMS SIP server platform identifies the call type; when the call type is an internal call, the IMS SIP server platform preferentially inquires whether a called device and the calling device are registered on the same IMS SIP server platform or not inside the IMS SIP server platform; if the session request and the media stream are registered on the same IMS SIP server platform, entering an internal calling mode, that is, the session request and the media stream are internally circulated through the IMS SIP server platform; and if the session request and the media stream are not registered on the same IMS SIP server platform, entering an outbound mode, that is, the session request and the media stream are transferred to an operator group IMS platform for addressing calling.

The invention discloses a satellite communication method, system and device and electronic equipment. The method comprises the following steps: determining whether a called session management function unit and a calling session management function unit are the same session management function unit or not; under the condition that the called session management function unit and the calling session management function unit are not the same session management function unit, determining the calling session management function unit; a target user plane function module is determined, and the target user plane function module is arranged in the target communication satellite; and the called session management function unit receives the calling terminal voice data forwarded by the calling session management function unit through the target user plane function module, and sends the called terminal voice data to the calling session management function unit through the user plane function module. According to the invention, the technical problem that voice interaction cannot be carried out between terminals using different session management function units through a satellite IP multimedia subsystem in the prior art is solved.

The invention provides a communication method, electronic equipment and a storage medium, and the method comprises the steps: responding to a first call request, received through a first communication unit, of an IP multimedia subsystem IMS network, and transmitting a second call request to target second electronic equipment through a second communication unit, the target electronic device is a second electronic device specified by the first call request in the plurality of second electronic devices; in response to a call response sent by the target second electronic equipment and received through the second communication unit, establishing a voice dedicated bearer channel through the first communication unit; performing interaction of the first voice message with the IMS network, and performing interaction of the second voice message with the target second electronic device; wherein the first electronic equipment is used for performing conversion between the first voice message and the second voice message. According to the method provided by the invention, the indoor voice call experience of the user can be improved on the premise of low cost and small network change.

The embodiment of the disclosure discloses a method for wireless communication, which is executed by a multi-card terminal, and the method comprises the following steps: determining whether a network PDN link of a predetermined user identification module is disconnected; determining whether an IP multimedia subsystem (IMS) PDN link of the predetermined user identification module supports a predetermined protocol address; and in response to the network PDN link being disconnected and the IMS PDN link supporting the predetermined protocol address, determining whether to establish the network PDN link according to a result of whether the predetermined protocol address is successfully updated. In the embodiment of the disclosure, when the network PDN link is disconnected and the IMS PDN link supports the predetermined protocol address, the network PDN link can be established or not established according to the result of whether the predetermined protocol address is successfully updated. Compared with the case that there is no link between the terminal and the network for wireless communication when the predetermined protocol address is not successfully updated, it can be ensured that there is a connection between the terminal and the network for wireless communication when the predetermined protocol address cannot be updated, and the experience of using the network by a user is improved.