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Multi-party communication method, system and method for distribution event status
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A multi-party communication and conditional technology, applied in the branch office to provide special service devices, transmission systems, digital transmission systems, etc., can solve the problem that the group conditions cannot be changed
Active Publication Date: 2008-08-06
HUAWEI TECH CO LTD
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However, it can be seen from the above scheme that when the temporary group mode is used to establish multi-party communication, the existing SIP messages, such as SIP INVITE request or SIP SUBSCRIBE request, cannot meet this requirement
In addition, when using the predefined group method to establish multi-party communication, the pre-set group conditions in the application server cannot be changed through SIP messages
[0013] Furthermore, when two methods are used to establish multi-party communication, members in the group also need to obtain their own group conditions through subscription. At present, this requirement cannot be fulfilled through existing SIP messages.
Method used
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Embodiment 1
[0131] Alice invites 5 classmates for IM chat. She hopes to allow only these 5 classmates to invite some friends to participate in the conversation, but she does not want these friends to invite others to join the chat again. At the same time, she ensures that the total number of chatters does not exceed 10. All participants in the chat are not allowed to be anonymous, sub-conferences are not allowed, and secret messages are not allowed to be transmitted. The theme of the meeting is "Merry Xmas and HappyNew Year!". The following is the format of Alice's SIP INVITE request:
[0186] Alice invites 5 colleagues to have a conference call, and sets conditions for them to participate in the conference: during the conference, member A wants to subscribe to the conference group conditions that he cares about, and the format of the SUBSCRIBE request he sends is:
[0187] Conference ID assigned by the conference server when SUBSCRIBE establishes a session
[0199] The conference server, that is, the SIP application server, judges whether member A is allowed to subscribe to t...
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Abstract
The invention discloses a method, a system and a device used for multiuser communication and a method used to release event status, wherein the method used for multiuser communication comprises the following steps that: an application server, after receiving a multiuser communication request carrying the group condition of the current multiuser communication, controls the current multiuser communication according to the group condition of the current multiuser communication obtained from the request. The method, the system and the device provided by the embodiment of the invention can set the group condition of multiuser communication and limits the participants of the multiuser communication through the group condition. The method used to release event status provided by the invention comprises the following steps that: an application server, after receiving a release message carrying the event status and the authorization information of resource, controls the subscription right of the event status of the resource according to the authorization information. Moreover, the method can realize subscription limitation of the event status.
Description
technical field [0001] The invention relates to multi-party communication technology in the field of communication, in particular to a method, system and device for multi-party communication and a method for publishing event status. Background technique [0002] With the development of session initiation protocol (SIP, session initiation protocol) technology, multi-party communication in the communication field, such as multi-party communication conferences including media types such as video, voice or text, has become more and more popular. Many communication services are Support multi-party communication, such as Instant Messaging (IM, Instant Messaging) service and Push-To-Talk over cellular (PoC, Push-To-Talk over cellular), etc. Multi-party communication mainly refers to centralized conferencing (Centralized Conferencing), where an application server performs centralized control of multi-party communication. According to the type of participants, there are mainly two w...
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