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Off-line message transmitting and receiving method

A technology of offline message and sending method, applied in the field of communication

Inactive Publication Date: 2006-07-12
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the existing instant messaging system conforming to the SIP / SIMPLE IM standard, there is no specific implementation method for how to establish a data transmission channel for the user client sending offline messages and obtaining offline messages so as to send or obtain offline messages

Method used

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  • Off-line message transmitting and receiving method
  • Off-line message transmitting and receiving method
  • Off-line message transmitting and receiving method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0119] In the SIP / SIMPLE instant messaging system, the client of the user who sends the offline message can create an offline message by participating or not participating in the IM server to which the offline message is received by a single user or a group user. Send the message session relay protocol (Message Session Relay Protocol, MSRP) channel between the client and the IM server (offline message processing server) responsible for storing offline messages, and store the offline messages on the offline message processing server through the MSRP channel. The four situations are described below.

[0120] see figure 1 , for the client A of the present invention sends an IM message to the offline client B, and the IM server to which the client belongs participates in the signaling flow chart of establishing the MSRP channel. The meanings of each network entity in the figure are:

[0121] Client A and client B represent the clients of the two users of the SIP / SIMPLE IM system ...

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PUM

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Abstract

Present invention discloses off line messages transmitting and receiving method. It contains off line messages transmitting client-side transmitting said off line messages to off line messages receiving side off line messages processing server through messages conversation relay protocol MSRP channel, said off line messages processing server storing received said off line messages. Off line messages receiving client-side obtaining off line messages stored in off line message processing services server through messages conversation relay protocol MSRP channel. In establishing channel course, it is divided into two states which are whether the client-side instant message server is involved or not involved the establishing MSRP channel. Said invention provides complete solution for SIP / SIMPLE instant messages service system.

Description

technical field [0001] The invention relates to the communication field, in particular to a session initiation protocol SIP / instant message and an off-line message sending and receiving method in an instant message system using the extended session initiation protocol SIMPLE. Background technique [0002] In the prior art, instant messaging (InstantMessaging, IM) services have been carried out on mobile communication networks and Internet networks. Mobile networks include existing 2G (2nd Generation, 2nd generation mobile network), 2.5G, and future 3G (3rd Generation) Generation, the third generation mobile network), and the multimedia subdomain (IMS). [0003] The instant message service belongs to a kind of mobile data service based on a presence service (Presence), which is an individual-to-individual, individual-to-group message type. [0004] The Open Mobile Alliance (OMA) international standards organization has formulated standards for mobile instant messaging, and t...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L12/58
CPCH04L51/02H04L51/043H04L51/04
Inventor 牟伦建
Owner HUAWEI TECH CO LTD
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