25 results about "Session Description Protocol" patented technology

The embodiment of the invention discloses a data processing method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining a network address translation type, a power consumption level and network topology information of network equipment when a registration request of the network equipment is received, and carrying out the registration of the network equipment according to the network address translation type, the power consumption level and the network topology information, generating equipment associated information; when a connection request of a client is received, analyzing a target device identifier in the connection request, and determining a target network device corresponding to the target device identifier and pre-stored device association information; and determining an adaptive point-to-point transmission strategy according to the equipment association information, and establishing point-to-point direct connection between the target network equipment and the client based on the determined point-to-point transmission strategy and an interactive enhanced session description protocol between the target network equipment and the client, and the scheme can provide a hole digging success rate.

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.

An example method includes transmitting or receiving a session description protocol (SDP) message, the session description protocol (SDP) message including binding information associating a first RTP header extension and a second RTP header extension of an RTP session, where the binding information indicates a first timestamp in the first RTP header extension and the first timestamp in the second RTP header extension, both indicate a time to transmit a first RTP packet including the first RTP header extension. The method comprises: transmitting, by a first device, the first RTP packet; and receiving, by the first device, a second RTP packet, the second RTP packet comprising the second RTP header extension, the second RTP header extension comprising the first timestamp, a second timestamp, and a third timestamp. The method includes determining a delay based on at least one of the first timestamp, the second timestamp, or the third timestamp.

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method performed by an IMS (Internet Multimedia Subsystem) AS (Application Server) in a wireless communication system, the method comprising: receiving a first message including a first SDP (Session Description Protocol) offer for a first media from a first user equipment (UE) from a first UE; transmitting a second message for notifying a media change request event to a data channel signaling function (DCSF) entity; receiving a third message including avatar media processing information from the DCSF entity; and transmitting a fourth message including a second SDP offer for a second media from a network entity to a second UE.

Aspects of the subject disclosure may include, for example, a method that includes receiving, by a processing system in communication with a client device, a signal from the client device according to a session description protocol (SDP); the signal comprises a capability parameter regarding streaming of video frames to the client device, a first focus area parameter and a second focus area parameter indicating respectively a first resolution for a high focus area and a second resolution for a low focus area of the video frame, a bandwidth parameter indicating a bandwidth availability for a streaming video session, and a streaming method parameter regarding the streaming of the video frames. The system calculates the high focus area and the low focus area of the video frame, and delivers, subsequent to receiving the signal, a plurality of video frames to the client device. Other embodiments are disclosed.

The invention relates to the technical field of digital information transmission, in particular to a media stream transmission method and device and a storage medium, and the method comprises the steps: obtaining first session description protocol SDP information sent by a request sending end, and judging whether a client media stream needs to pass through a server; if yes, the server serves as a back-to-back user agent; if not, the server inserts a first candidate address and a second candidate address of the server type into the first SDP information and the second SDP information; the request sending end and the request response end carry out ICE connectivity check based on all candidate addresses of the two parties; adding the candidate address pairs which are not forwarded by the server into a first set, and adding the candidate address pairs which are not forwarded by the server into a second set; selecting the candidate address pair with the shortest round-trip delay from the first set to carry out media stream transmission; and when the network transmission quality is lower than a preset level, other candidate address pairs are selected to carry out media stream transmission. According to the method, the media transmission proxy method with the most economical transmission can be intelligently selected.

Aspects of the disclosure provide a method and apparatus, computer readable medium for media session management in wireless communication. The method includes obtaining session description protocol (SDP) information within a session initiation protocol (SIP) payload associated with a media session, a media session management module of a VAL server sending a network resource request including the SDP information to a network resource management (NRM) server. The NRM server can be a service enabler architecture layer (SEAL) server. The network resource request can request network resources. The method further includes the VAL server receiving an evaluation of the network resource request from the NRM server. Based on the received evaluation, establishing or terminating the media session in the media session management module of the VAL server.

Methods, systems, and devices for wireless communication are described. For example, the described techniques provide a first wearable device and a second wearable device to initiate a media session with a user equipment (UE) and a terminal device. Wearable devices may each initiate a session flow by sending a session description protocol (SDP) provision message to a terminal device. In some examples, the wearable device may send capability information to the UE, and the UE may send an SDP provision message to the terminal device. The terminal device may start a session by sending one or more SDP acknowledgement messages after receiving the one or more SDP provision messages. The wearable devices may each send information about a user of the wearable device. The terminal device may generate a media content stream, and the UE may propagate the media content stream to the wearable device.

The invention discloses a communication method and device, network side equipment and a readable storage medium, and belongs to the technical field of communication, and the communication method comprises the steps that a first network node receives a first message, and the first message is used for requesting to call a second terminal; under the condition that a first condition is met, the first network node executes a first operation, and the first condition comprises any one of the following items: the first terminal accesses a network through a first satellite, and the first message comprises at least one of first indication information and a first SDP (Session Description Protocol) offer; the first indication information indicates at least one of the following items: the first terminal supports an early media, the first terminal supports an early session, and the first SDP offer is used for negotiating parameters corresponding to transmission of the early media; the first message comprises at least one of first indication information and a first SDP buffer; the first operation comprises at least one of the following items: deleting first indication information from the first message; modifying the first indication information; and deleting the first SDP offer from the first message.

A system for an automated generation of a target device fingerprint including a processor of a device fingerprint generation server node configured to host an encryption module and connected to at least one signal daemon node and to a target device and a memory on which are stored machine-readable instructions that when executed by the processor, cause the processor to: detect a connection request between the target device and the at least one signal daemon; parse out a session description protocol (SDP) associated with the connection request to derive immutable dynamic SDP attributes; acquire target device attributes; generate a target device fingerprint by combining the immutable dynamic SDP attributes and the target device attributes; and encrypt the target device fingerprint by an encryption key generated from at least one of the immutable dynamic SDP attributes.

The present disclosure relates to the technical field of wireless communications, and in particular to a session processing method and apparatus, an electronic device, and a computer program product. The method comprises: receiving a response to a first session modification request, wherein the response to the first session modification request comprises a first session description protocol answer (SDP answer), and the first SDP answer comprises a media description of an IMS data channel; and upon determining that the media description of the IMS data channel contains media parameters that are not allowed by a network, initiating a second session modification request, wherein the second session modification request comprises a first SDP offer, and the first SDP offer comprises the media description of the IMS data channel.

A method performed by a user equipment (UE) includes sending, toward a terminating UE, a session description protocol (SDP) offer including information about application data channel(s) (ADC(s)) to be established for use by data channel (DC) application(s) within an internet protocol (IP) multimedia subsystem (IMS) session. The method includes receiving, from the terminating UE, an SDP answer including an SDP attribute associated with a DC application of the DC application(s), the SDP attribute including a status of the DC application at the terminating UE. The method includes determining the DC application is not available at the terminating UE based on the status of the DC application indicated by the SDP attribute. And the method includes waiting a time before resending or receiving a new SDP offer including the information about the ADC(s) to be established. FIG. 4

The present invention relates to improving the security environment in IP networks and some standardized protocol relevant to the establishment of multimedia sessions by an artificial intelligence (AI) technology. The first aspect of the present invention is to reinforce the security level on the meeting contents that may be shared among or between the meeting participants by using the AI technology. The second aspect of the present invention is to overcome a session establishment failure due to at least one item included in the session description protocol (SDP) when setting up a multimedia session between at least two terminals by using the AI technology. And the third aspect of the present invention is to introduce a new parameter to improve the max-forward function of the session initiation protocol (SIP), which can be viewed as de facto standard in audio or video teleconferencing in IP networks.

An example method for playing a multimedia customized ringing signal and customized alerting tone includes receiving, by an application server, an initial call request from a calling terminal, sending the initial call request to a called terminal, receiving a provisional response to the initial call request from the called terminal, determining customized ring signal media resource information based on the provisional response, sending a first media session update message that carries the customized ring signal media resource information to the called terminal, receiving a first response from the called terminal, and playing the multimedia customized ringing signal based on the first response. The initial call request includes session description protocol (SDP) information of the calling terminal, and the first response includes a result of customized ringing signal media resource negotiation between the application server and the called terminal.

The embodiment of the invention discloses a data processing method and device, electronic equipment and a storage medium, and the method comprises the steps: storing the network information and equipment information of network equipment when a heartbeat instruction sent by the network equipment through a user datagram protocol is received; when a query request sent by a client is received, determining a target network device corresponding to the query request; and if the target network device is in the online state, scheduling the target network device to interact a session description protocol with the client, so as to establish point-to-point direct connection between the target network device and the client through the interacted session description protocol. And the requirements of multiple platforms and low-power-consumption equipment are met, and the dependence of the server is reduced through one step.

Communications methods and apparatus for preserving STIR / SHAKEN original attestation / signature information for diverted Session Initiation Protocol (SIP) messages and / or calls. An exemplary method embodiment includes the steps of: receiving, at a first Session Border Controller (SBC), a diverted Session Initiation Protocol (SIP) INVITE message corresponding to a first call, the diverted SIP INVITE message not including an Identity header; obtaining an original Identity header or information from the original Identity header corresponding to the first call using one or more of the following: information included in the diverted SIP INVITE message, information included in a Session Description Protocol message included in the diverted SIP INVITE message, an SBC trunk group, or a source Internet Protocol (IP) address transport protocol port of an IP packet carrying the diverted SIP Invite message; and generating an Identity header based on the original Identity header or information from the original identity header.

The application relates to a real-time audio-video interaction method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an audio-video media stream, creating a peer-to-peer connection object; generating session description protocol request information and setting the information as a local media description, sending the information to a receiving end through a signaling channel, receiving and processing session description protocol response information fed back by the receiving end, completing media capability negotiation of both parties, exchanging network information; performing an address connectivity check process of an interactive connection establishment framework, cooperating with the receiving end to determine an optimal transmission path of the audio-video media stream transmission, performing a handshake process through a data packet transmission layer security protocol, and negotiating to generate an end-to-end encryption key; encapsulating and transmitting the encrypted audio-video media stream, acquiring network transmission state information based on a real-time transmission control protocol, and optimizing a communication transmission process in real time. The method can reduce delay and cost and provide a more secure decentralized network environment.

The invention relates to the technical field of wireless communication, and particularly provides a session processing method and device, electronic equipment and a computer program product. The method comprises the steps that a response of a first session modification request is received, the response of the first session modification request comprises a first session description protocol response SDP answer, and the first session description protocol response comprises media description of an IMS data channel; and after determining that media parameters which are not allowed by the network exist in the media description of the IMS data channel, initiating a second session modification request, the second session modification request comprising a first session description protocol (SDP) offer, and the first session description protocol offer comprising the media description of the IMS data channel. According to the invention, when the DC media cannot be authorized or the bearer resource is unavailable, the processing flow is carried out for the related DC media, and the problem that the user experience is influenced by session release caused by the above problem is avoided.

The present disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. A method of a user equipment (UE) in a wireless communication system is provided, comprising: transmitting a first message including a session description protocol (SDP) proposal to a network entity; and receiving, from the network entity, a second message comprising an SDP reply corresponding to the SDP proposal, where the SDP proposal comprises a data channel flow identifier that directs the data channel and a first attribute related to data channel multiplexing, and where the SDP reply comprises access information of the network entity and the first attribute.

This application relates to a data channel establishment method, apparatus, communication device, storage medium, and computer program product. The method includes: carrying a Session Description Protocol (SDP) proposal in a first communication request, the SDP proposal including application information of a target application on a second terminal side, the application information including one or more of an identifier, version, and compatibility information; comparing the application information in the first communication request with the application information stored on the first terminal to obtain a compatibility judgment result; if the compatibility judgment result indicates that the application on the first terminal side is incompatible, then based on the identifier and version, downloading a compatible application and establishing an application data channel. This can reduce signaling interaction and traffic consumption with the network caused by repeated application downloads, reduce the latency of ADC channel establishment, improve communication efficiency, and ensure the compatibility of applications at both ends of the ADC channel.

The invention provides a real-time communication RTC method, device, system and equipment, a medium and a product. The method is applied to a transmitting end of RTC, and comprises the following steps: in a session description protocol negotiation stage, determining codec information jointly supported by the transmitting end and a receiving end; the codec information indicates codec groups and priorities of the codec groups, and each codec group comprises an encoder and a decoder which correspond to each other; in a session stage, a first codec group is selected, after media data to be sent are coded by using a first coder, a media stream obtained by coding is sent to a receiving end, if a self-defined request message fed back by the receiving end is received, a second codec group is selected according to codec information, and the media stream is sent to the receiving end. The request message is constructed after the receiving end fails to decode the media stream by using the first decoder, and sending the media stream obtained by re-encoding to the receiving end after re-encoding the media data by using the second encoder.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates beyond a 4G communication system such as LTE. According to an embodiment of the present disclosure, a method performed by an IP multimedia core network subsystem (IMS) application server (AS) in a wireless communication system may be provided. The method may comprise the steps of: receiving, from an originating network, a session initiation protocol (SIP) INVITE request message that includes a session description protocol (SDP) offer; determining whether a terminating user equipment (UE) supporting an IMS data channel is allowed to use the IMS data channel; and transmitting a session event control notification message to a data channel signaling function (DCSF) when the terminating UE supporting the IMS data channel is allowed to use the IMS data channel.

Facilitating elastic distributed computing for resource intensive tasks including split rendering in advanced networks is provided herein. Operations of a system include receiving information indicative of a request for split rendering for an application executing at a user equipment. The information is received via a session description protocol session. The operations can also include, based on the information indicative of the request, determining that an available computational resource capacity at the user equipment is insufficient to process the application executing at the user equipment. Further, the operations can include, based on the determining, enabling a first rendering of a first portion of the application at a first device and a second rendering of a second portion of the application at a second device different from the first device.

The present disclosure relates to a 5G or 6G communication system for supporting higher data transmission rates. A method performed by a first node in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: transmitting, to a second node, a session description protocol (SDP) proposal message including proposal information about at least one media transmission sub-session; and receiving, from the second node, an SDP response message including information indicating whether the proposal information has been accepted, wherein a media transmission session between the first node and the second node can be established on the basis of the information indicating whether the proposal information has been accepted.

The invention particularly relates to a voice decoding method based on a domestic operating system, which comprises the following steps of: receiving an audio data packet, and analyzing the audio data packet based on a real-time transport protocol (RTP) to obtain corresponding header data; analyzing a session description protocol (SDP) to obtain a multi-media session parameter; sorting the received audio data packets according to the header analysis data; carrying out decoding processing on the audio data packets after sorting processing to obtain initial audio data; performing interpolation processing on the initial audio data to obtain corresponding second audio data; and performing audio optimization processing on the second audio data to obtain third audio data, and performing file segmentation processing on the third audio data to obtain a small file sequence for loading the small file sequence. According to the method, a voice comprehensive processing function is realized, and information communication security is effectively ensured. And meanwhile, the technology is autonomous and controllable.