SIP network and P2PSIP network intercommunication method and system

A network, the only technology, applied in the direction of transmission system, electrical components, etc., can solve the problems of high cost of configuration and maintenance, and achieve the effect of flexibility and strong adaptability

Inactive Publication Date: 2013-11-06
BEIJING UNIV OF POSTS & TELECOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Not only that, the high cost of configuration and maintenance, as well as the requirements for hardware performance have become the bottleneck of the development of traditional SIP

Method used

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  • SIP network and P2PSIP network intercommunication method and system
  • SIP network and P2PSIP network intercommunication method and system
  • SIP network and P2PSIP network intercommunication method and system

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Embodiment Construction

[0031] A method for intercommunication between a SIP network and a P2PSIP network, including a call routing process for a node in a traditional SIP network to initiate a session, and a call routing process for a node in a P2PSIP network to initiate a session. The implementation process of the above process will be described in detail below in conjunction with the accompanying drawings .

[0032] figure 1 It is a flow chart of call routing for a node in the P2PSIP network of the present invention to initiate a session. In order to show the call flow more clearly, assume that the P2PSIP network is C, the node participating in the call in this network is A, the traditional SIP network is D, and the node participating in the call in this network is B. When node A in P2PSIP network C initiates a session request to node B in traditional SIP network D, the call routing process is as follows:

[0033] In step 101, node A initiates a query request to the DNS server to query the proxy...

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Abstract

The invention provides an SIP network and P2PSIP network intercommunication method and a system. Wherein a call routing process in which a node in a P2PSIP network initiates a conversation is as follows: the P2PSIP conversation initiating node inquires the address of an SIP proxy node form a DNS server, and sends an SIP INVITE request to the SIP proxy node; and the SIP proxy node forwards the request to an SIP conversation target node so as to realize the intercommunication between the SIP conversation target node and the P2PSIP conversation initiating node. The call routing process in which the node in an SIP network initiates the conversation is as follows: an SIP conversation initiating node inquires the address of a P2PSIP proxy node from the SIP proxy node, and forwards the SIP INVITE request to the P2PSIP proxy node; and the P2PSIP proxy node finds out the address of a P2PSIP conversation target node and forwards the SIP INVITE request to the P2PSIP conversation target node so as to realize the intercommunication between the P2PSIP conversation target node and the SIP conversation initiating node. The invention solves the problem of the intercommunication between the P2PSIP network and the SIP network.

Description

technical field [0001] The present invention generally relates to a method for intercommunicating session initiation protocol in client server mode and ad hoc network session initiation protocol, more specifically, it is suitable for intercommunication method between traditional SIP network and P2PSIP network session initiation protocol. Background technique [0002] SIP (Session Initiation Protocol, Session Initiation Protocol) is one of the multimedia communication application layer control protocols formulated by the Internet Engineering Task Force (IETF), which is used to establish, modify and terminate two-party or multi-party multimedia sessions on the IP network. This protocol is more and more favored by the industry because of its simplicity, easy expansion, and easy implementation. It is gradually becoming an important protocol in the domain of NGN (Next Generation Network) and 3G Multimedia Subsystem. [0003] In the client / server (Client / Server, referred to as C / S...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06
Inventor 张春红纪阳蒋旭昂
Owner BEIJING UNIV OF POSTS & TELECOMM
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