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Method and terminal for processing session ability information

A capability information and terminal technology, applied in the field of communication, can solve the problem of being unable to support multiple network entities or terminals, and achieve the effect of rich description

Inactive Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a method and a terminal for processing session capability information, which are used to process multiple session capability information carried in the multimedia network session negotiation protocol, Solve the problem that multiple network entities or terminals cannot be supported, and the description of media information from different sources cannot be described in the session message, and then be recognized and processed by the terminal

Method used

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  • Method and terminal for processing session ability information
  • Method and terminal for processing session ability information
  • Method and terminal for processing session ability information

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0159] Embodiment 1 adds the definition of SDP number and SDP attribute to an SDP information block in the SDP protocol, and defines a type of message body that can carry multiple SDP descriptions in the message body of a SIP message. The multiple SDP descriptions carried in the SIP message can be recognized by the session recipient terminal, and the session recipient terminal can determine how to select parameters in the SDP description according to these attributes.

[0160] In Embodiment 1, in the session-related description part of the description defined by the SDP protocol, an SDP description number is added, for example, it can be defined as a Series, or it can be defined as an SDP ID. Embodiment 1 uses series as the number of an SDP Define the method. This number enables multiple SDP descriptions in the message body of a SIP message to be distinguished from each other. In Embodiment 1, the SDP number of the current SDP is added after the version information in the des...

Embodiment 2

[0276] The definition of the message body type in Embodiment 2 is that the definition of the message body type is added in the SIP protocol, and the definition of the content of the SIP message body is expanded, and the rest can be handled in the same way as in Embodiment 1.

[0277] Definition method of SIP message content:

[0278] Extended SIP message body content definition:

[0279] Embodiment 2 In the Content-type field in the SIP message header, the existing content type of the message body can be used, Content-type: Application / MIME.

[0280] New message body content property definition:

[0281] Embodiment 2 newly adds the definition to message body content attribute in SIP message header, has defined a new message header Content, and the definition of Content field is as follows:

[0282] Content:series1:|entity|priority

[0283] Content:series2:|entity|priority

[0284] Content:series3:|entity|priority

[0285] Wherein, the message header...

Embodiment 3

[0356] Embodiment 3 In the description of media parameters in the SDP protocol, multiple media parameters may appear in one SDP description, and embodiment 3 adds a description of media parameter attributes and priority information in an SDP description carried by a SIP message, In the description of the media parameters, it can be obtained which type of network entity or terminal the media belongs to and the priority level of the media in providing services, and other parameters that can be expanded are provided. In this way, the session receiver terminal described by the SDP can obtain the service attribute information of the media by viewing the attributes of the media parameters, and can effectively select the media parameters of the initiated session.

[0357] The information described by SDP includes three categories. The first category belongs to session information, including session identifiers and other session-level parameters, such as the IP address of the sessio...

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Abstract

This invention discloses a processing method that terminal does to the received spoken ability information. It includes: A. the terminal receives the spoken information, in the stated spoken information, it carries the spoken ability information; B. the terminal will choose appropriate spoken ability information based on the stated spoken ability information and constitute response news. This invention also discloses one kind terminal which can deal with spoken ability information. Using this method and the terminal, it can choose appropriate spoken ability information from many spoken ability information and its attributed spoken information, and establish consultative conversation.

Description

technical field [0001] The present invention relates to the communication field, in particular to a method and a terminal for processing session capability information. Background technique [0002] Session Description Protocol (SDP) (RFC 2327) defines a method for describing session capabilities in IP communication. The SDP protocol can be carried in various protocols (such as (Session Initiation Protocol (SIP), Session Notification Protocol (SAP)) The existing SDP protocol carries media information, which can allow the session receiver terminal to understand the session capability of the session being initiated, so that the session receiver terminal can select the session capability to join the session. The content of the SDP description includes: session name and purpose, The session start time, the media forming the session, the information of receiving the media (IP address, port number and other information). Wherein, the information of the media includes: the type of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06
Inventor 朱雷罗龙
Owner HUAWEI TECH CO LTD
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