CN100574474C - Set up the method that communication traffic connects in a kind of communication system - Google Patents
Set up the method that communication traffic connects in a kind of communication system Download PDFInfo
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- CN100574474C CN100574474C CNB2007101084428A CN200710108442A CN100574474C CN 100574474 C CN100574474 C CN 100574474C CN B2007101084428 A CNB2007101084428 A CN B2007101084428A CN 200710108442 A CN200710108442 A CN 200710108442A CN 100574474 C CN100574474 C CN 100574474C
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Abstract
The invention discloses and set up the method that communication traffic connects in a kind of communication system, this method comprises: the access request that the communication traffic type identification is carried in A, communicating terminal initiation; B, application server receive access request, determine the communication traffic type according to the communication traffic type identification that access request is carried; C, the communication traffic connection of in communication system, setting up the definite communication traffic type of corresponding institute.Can make application server that various communication traffics are carried out differentiating and processing by the present invention, thereby avoid the obscuring of multiple communication traffic realized that multiple communication traffic is integrated in the application server of a physical entity.
Description
Technical field
The present invention relates to the telecommunications transmission technology, relate in particular to and set up the method that communication traffic connects in a kind of communication system.
Background technology
In modern communication systems, especially at internet protocol multimedia subsystem (IMS, IPMultimedia Subsystem) in, message session trunk protocol (MSRP, Message Session RelayProtocol) is the instant message host-host protocol of a kind of dialogue-based (session).After session initiation protocol (SIP) signaling has been set up link, consult the media capability of client by Session Description Protocol (SDP, Session DescriptionProtocol) agreement, realize the chatroom business of conversation modes (Session-Mode).
Session Initiation Protocol is selected as the core control protocol by next generation network, it is a part of the Internet engineering duty group (IETF) multi-medium data and hierarchy of control structure, also is the network core control protocol that clearly proposes employing in third generation partner program (3GPP) the R5 scheme.Session Initiation Protocol is mainly used in the session control of voice and multimedia call in Internet Protocol (IP) network, and its basic function is foundation, release and the modification of communication session and the negotiation of terminal communication ability.
Session Initiation Protocol itself is not realized conference session, such as: can not carry out right to speak control, how regulation does not carry out functions such as meeting control, and still, Session Initiation Protocol can be initiated the media capability negotiation of a session together with other control protocol.
In present telecommunications draft (RFC) agreement, stipulated the message primitive of MSRP in the past in draft-ietf-simple-message-sessions-10 and the draft.In these drafts, the method that has proposed use MSRP URL(uniform resource locator) (URL) or MSRP URLS is carried out media capability negotiation, the user fills the URL of application server (AS) to discern with asking in unified resource identifier (Request-URI) header field at purpose (To) header field of INVITE when initiating visit (INVITE) request call.
The kind of communication traffic increases gradually at present, for example: comprise professional and management and group (GM) business of instant message (IM), comprise single session service, chatroom (being multi-conference) business and file transfer business etc. in the IM business again, various communication traffics are integrated in a kind of technological trend that is treated as industry on the physical entity AS server.
But, handle if various communication traffics are integrated on the AS server, can there be such problem in present communication system: creating the communication traffic connection as creating in the process of chatroom, when the URL of AS server is interpreted as the IP address, the processing server of different communication traffics just logically separates, but physically jointly on a physical entity AS server, the easy like this AS of causing server can't be distinguished each communication traffic, such as: be easy to cause obscuring of business such as to the chatroom professional and other professional as big message, make a physics AS server can't bear a plurality of communication traffics simultaneously.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that communication traffic connects of setting up in communication system, can make the AS server that various communication traffics are carried out differentiating and processing, avoids obscuring multiple communication traffic.
In order to realize the foregoing invention purpose, main technical schemes of the present invention is:
Set up the method that communication traffic connects in a kind of communication system, this method comprises:
The access request that the communication traffic type identification is carried in A, communicating terminal initiation;
B, application server receive access request, determine the communication traffic type according to the communication traffic type identification that access request is carried;
C, the communication traffic connection of in communication system, setting up the definite communication traffic type of corresponding institute.
This method further comprises: set in advance communication traffic type identification and corresponding communication traffic processing logic module thereof in described application server; The described communication traffic of setting up is connected to: determine the communication traffic type of described access request at described application server after, the communication traffic of setting up described correspondence by the communication traffic processing logic module of calling described communication traffic type identification correspondence connects.
Wherein, described access request comprises request unified resource identifier Request-URI header field, and described communication traffic type identification is arranged in the Request-URI header field in the described access request; Described step B is specially: described application server is judged the communication traffic type that described access request is asked by the Request-URI header field in the access request of receiving is analyzed.Comprise the purpose To header field in the described access request, be provided with the internet protocol address of described application server in the described To header field.
In the such scheme, the communication traffic of described foundation is connected to the Internet chat chamber service and connects.Described communication system is an internet protocol multimedia subsystem.Described communication system adopts message session trunk protocol, session initiation protocol and Session Description Protocol SDP to carry out communication at least.
In the such scheme, described step C comprises:
C1, application server carry out the SDP negotiation corresponding with described communication traffic type to the SDP message body of access request to be handled;
C2, application server trigger described communication traffic type corresponding service processing logic module and handle according to the signatory situation of communicating terminal;
C3, application server return response to communicating terminal, and communicating terminal carries out SDP negotiation after receiving response, consult successfully back to the professional response that connects of application server Returning communication;
After C4, application server were received response, the judgement communication traffic connects to be set up successfully.
Because the present invention carries the communication traffic type identification in the access request of communicating terminal, make a physical entity AS server to distinguish various communication traffic according to the communication traffic type identification, therefore, even the processing server of communication traffics such as chatroom business, single session service, file transfer business is provided or claims processing module logically to separate, but jointly on a physical entity AS server, also can make the AS server that various communication traffics are carried out differentiating and processing, avoid obscuring multiple communication traffic.For example, on an AS server during the integrated a plurality of communication traffic processing logic module that comprises the chatroom processing module, can successfully set up the connection of chatroom business and do not obscure mutually according to access request with other business.
Because the present invention sets in advance communication traffic type identification and corresponding communication traffic processing logic module thereof in described AS server, can make the AS server that various communication traffics are carried out differentiating and processing, therefore, the present invention can realize that a physical entity AS server bears a plurality of IM simultaneously, the GM communication traffic, for example single session, the chatroom, communication traffics such as file transfer, and then solution is provided with the high problem of cost that a plurality of physical entity AS servers are caused for every kind of communication traffic, improve the integrated level of communication traffic module, increased the treatment effeciency of AS server.
Because communication traffic type identification of the present invention is arranged in the Request-URI header field of described access request, has made full use of prior signaling resources, has reduced the improvement cost of communication system, has improved treatment effeciency.
Description of drawings
Fig. 1 is the flow chart of setting up the communication traffic connection of the present invention;
Fig. 2 is the flow chart of setting up the professional connection in chatroom of embodiment of the present invention.
Embodiment
Below by specific embodiments and the drawings the present invention is described in further details.
Referring to Fig. 1, core technology scheme of the present invention may further comprise the steps:
Step 101, communicating terminal initiate to carry the INVITE request of communication traffic type identification, and generally speaking, described INVITE request sends to the AS server by equipment of the core network.
After step 102, AS server receive access request, determine the communication traffic type according to the communication traffic type identification that access request is carried.
Step 103, the communication traffic connection of in communication system, setting up the definite communication traffic type of corresponding institute.
The present invention is integrated in various communication traffics on the physical entity AS server and handles, the technological means that adopts is: set in advance communication traffic type identification and corresponding communication traffic processing logic module thereof in described AS server, judge the communication traffic type of described access request at described AS server after, by calling the communication traffic processing logic module of the communication traffic type identification correspondence of judging, the communication traffic of setting up described correspondence connects.Described communication traffic processing logic module can be IM business module and GM business module.Concrete, can comprise single session service module, chatroom (being multi-conference) business module and file transfer business module etc. in the IM business module again, the concrete method to set up of described each communication traffic processing logic module can be provided with according to the needs of communication client and system.
Method of the present invention is particularly useful for the IMS system, and it is improved that method of the present invention is based on the MSRP agreement, Session Initiation Protocol and the SDP agreement that adopt in the IMS system.
Introduce specific implementation method of the present invention below by in the IMS network, setting up professional connection of chatroom as one embodiment of the present of invention.
Fig. 2 is the flow chart of setting up the professional connection in chatroom of embodiment of the present invention, and referring to Fig. 2, this flow process comprises:
The setting of described INVITE request form can be referring to the form of existing Session Initiation Protocol, comprising To header field and Request-URI header field, the IP address of described AS server is set in the described To header field, the sign of current communication traffic type of asking is set in the described Request-URI header field.For example: in the present embodiment, the communication traffic type identification is the chatroom service identification, and suppose that the chatroom service identification that the AS server provides is: sip:[email protected], the IP address of AS server is 10.5.10.10.So, theing contents are as follows of the INVITE request that is sent in the step 201:
INVITE?sip:[email protected]?SIP/2.0
Via：.....
From：<sip:[email protected]>；tag＝356
To：<sip:10.5.10.10>
Call-ID：....
…………
In above-mentioned INVITE request, the first behavior Request-URI header field wherein is provided with current communication traffic type identification sip:[email protected]; The second behavior Via header field comprises routing iinformation, is used for routing forwarding; The third line is the From header field, wherein is provided with the initiator of this request, is the domain name sip:[email protected] of communicating terminal 1 herein; Fourth line is a To header field, wherein is provided with the destination address of this request, is the IP address 10.5.10.10 of AS server herein; Fifth line is the Call-ID header field, and the unique identification of this session wherein is set.Except above-mentioned formatting, the setting of other content can be with reference to existing Session Initiation Protocol in this INVITE request.
The INVITE request that step 202～step 210, communicating terminal 1 are initiated is carried out route by equipment of the core network and is handled, and is transmitted to the AS server.
Described equipment of the core network mainly is CSCF equipment (CSCF), as proxy CSCF (P-CSCF, Proxy CSCF), serving CSCF (S-CSCF, Serving CSCF), inquiry CSCF (I-CSCF, Interrogating I-CSCF), concrete retransmission method can repeat no more with reference to existing retransmission technique herein.
Step 211, AS server are according to the content in the Request-URI header field in the INVITE request, from the communication traffic type identification that sets in advance, search, judge the communication traffic type that this INVITE asks, after judging the communication traffic type, the SDP message body of INVITE request is carried out handling with the corresponding SDP negotiation of this communication traffic type.
The AS server is the signatory situation of communicating terminal 1 according to caller, triggers communication traffic processing logic module default in the AS application server and handles, and in the present embodiment, be to trigger chatroom business processing logic module to handle.Described signatory situation is relevant with concrete communication traffic, can set in advance according to user's request.
Step 212～step 215, AS server return the 200OK response, through equipment of the core network the 200OK response are returned to communicating terminal 1.
The setting of described 200OK response format can be referring to the form of existing Session Initiation Protocol, and what this 200OK responded thes contents are as follows:
SIP/2.0200OK
Via：.............
From：<sip:[email protected]>；tag＝356
To：<sip:10.5.10.10>；tag＝267
Call-ID：....
The setting of described ACK signaling format can be referring to the form of existing Session Initiation Protocol, comprising To header field and Request-URI header field, be provided with the IP address of described AS server in the described To header field, be provided with the sign of current communication traffic type of asking in the described Request-URI header field.For example: the communication traffic type identification is chatroom service identification sip:[email protected] in the present embodiment, and the IP address of AS server is 10.5.10.10, and the setting of other header field can be referring to existing Session Initiation Protocol.
Theing contents are as follows of described ACK signaling:
ACK?sip:[email protected]?SIP/2.0
Via：.............
From：<sip:[email protected]>；tag＝356
To：<sip:10.5.10.10>；tag＝267
Call-ID：....
After step 221, AS server are received this ACK signaling, judge and set up successfully professional connection of this chatroom.
After step 222, the professional connection in chatroom were set up successfully, relevant communicating terminal just can carry out the communication of normal chatroom, and for example the calling and called communicating terminal can invite other members to add the chatroom, begins chat.
In addition, management after setting up successfully for the chatroom, for example history message such as obtains at function, can finish by HTTP(Hypertext Transport Protocol) and XCAP technology, specifically can be with reference to standard draft-ietf-simple-xcap-11, draft-ietf-simple-xcap-diff-03, draft-ietf-simple-xcap-list-usage-05 and rfc2616 (http1.1).
In addition, because session has been set up in the chatroom, so the message that follow-up chatroom sends is all by the MSRP protocol transmission.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.
Claims (7)
1, set up the method that communication traffic connects in a kind of communication system, it is characterized in that this method comprises:
The access request that the communication traffic type identification is carried in A, communicating terminal initiation;
B, application server receive access request, determine the communication traffic type according to the communication traffic type identification that access request is carried;
C, the communication traffic connection of in communication system, setting up the definite communication traffic type of corresponding institute, wherein, step C may further comprise the steps:
C1, application server carry out the SDP negotiation corresponding with described communication traffic type to the SDP message body of access request to be handled;
C2, application server trigger described communication traffic type corresponding service processing logic module and handle according to the signatory situation of communicating terminal;
C3, application server return response to communicating terminal, and communicating terminal carries out SDP negotiation after receiving response, consult successfully back to the professional response that connects of application server Returning communication;
After C4, application server were received response, the judgement communication traffic connects to be set up successfully.
2, method according to claim 1 is characterized in that, this method further comprises: set in advance communication traffic type identification and corresponding communication traffic processing logic module thereof in described application server;
The described communication traffic of setting up is connected to: determine the communication traffic type of described access request at described application server after, the communication traffic of setting up described correspondence by the communication traffic processing logic module of calling described communication traffic type identification correspondence connects.
3, method according to claim 1 is characterized in that, described access request comprises request unified resource identifier Request-URI header field, and described communication traffic type identification is arranged in the Request-URI header field in the described access request;
Described step B is specially: described application server is judged the communication traffic type that described access request is asked by the Request-URI header field in the access request of receiving is analyzed.
4, method according to claim 1 is characterized in that, comprises the purpose To header field in the described access request, is provided with the internet protocol address of described application server in the described To header field.
According to each described method of claim 1 to 4, it is characterized in that 5, the communication traffic of described foundation is connected to the Internet chat chamber service and connects.
6, method according to claim 5 is characterized in that, described communication system is an internet protocol multimedia subsystem.
7, method according to claim 6 is characterized in that, described communication system adopts message session trunk protocol, session initiation protocol and Session Description Protocol SDP to carry out communication at least.
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| CNB2007101084428A CN100574474C (en) | 2007-03-13 | 2007-06-14 | Set up the method that communication traffic connects in a kind of communication system |
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| CN200710005687.8 | 2007-03-13 | ||
| CNB2007101084428A CN100574474C (en) | 2007-03-13 | 2007-06-14 | Set up the method that communication traffic connects in a kind of communication system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101212481A (en) * | 2007-12-21 | 2008-07-02 | 华为技术有限公司 | Transaction control method, system, and device |
| CN101442434A (en) * | 2008-12-24 | 2009-05-27 | 华为技术有限公司 | Method, system and apparatus for providing distinction service |
| CN102571525B (en) * | 2010-12-08 | 2016-01-20 | 中兴通讯股份有限公司 | The management method that a kind of communication equipment service is redirected and device |
| CN103763343A (en) * | 2013-12-27 | 2014-04-30 | 乐视网信息技术（北京）股份有限公司 | Method and device for processing service access |
| CN105099987B (en) * | 2014-04-24 | 2018-06-26 | 华为技术有限公司 | Business access method, the apparatus and system of terminal |
| CN105323720A (en) | 2014-06-30 | 2016-02-10 | 中兴通讯股份有限公司 | Trunking communication business processing method, trunking core network equipment, and user equipment |
| CN105100104B (en) * | 2015-08-07 | 2018-03-16 | 华为技术有限公司 | A kind of method and device for determining data transfer path |
| CN106878141A (en) * | 2015-12-11 | 2017-06-20 | 北京信威通信技术股份有限公司 | A kind of instant communicating method based on msrp agreements |
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Non-Patent Citations (2)
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| The Message Session Relay Protocol. B.Cambell.draft-ietf-simple-message-sessions-10.txt. 2005 |
| The Message Session Relay Protocol. B.Cambell.draft-ietf-simple-message-sessions-10.txt. 2005 * |
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