CN103051484B - Session service processing method, system and Session Border Controll - Google Patents

Session service processing method, system and Session Border Controll Download PDF

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Publication number
CN103051484B
CN103051484B CN201310004201.4A CN201310004201A CN103051484B CN 103051484 B CN103051484 B CN 103051484B CN 201310004201 A CN201310004201 A CN 201310004201A CN 103051484 B CN103051484 B CN 103051484B
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equipment
terminal called
session
terminal
core network
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CN103051484A (en
Inventor
李家京
林朝辉
王志杰
肖伟
代彬
王少俊
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Beijing Telecom Planning & Designing Institute Co Ltd
China United Network Communications Group Co Ltd
China Information Technology Designing Consulting Institute Co Ltd
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Beijing Telecom Planning & Designing Institute Co Ltd
China United Network Communications Group Co Ltd
China Information Technology Designing Consulting Institute Co Ltd
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Priority to CN201310004201.4A priority Critical patent/CN103051484B/en
Publication of CN103051484A publication Critical patent/CN103051484A/en
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Abstract

The invention provides a kind of session service processing method, system and Session Border Controll, wherein, the method comprises: by Session Border Controll after the call request message receiving the transmission of calling terminal equipment, the terminal called facility information existing in the user message table that this locality prestores and comprise terminal called equipment number mark is known if judge, then according to the terminal called equipment transmission call request message of the address information in terminal called facility information to correspondence, if receive the call answering message that terminal called equipment returns, then the address information of terminal called equipment is returned to calling terminal equipment, in Access Network, session service is completed to make calling terminal equipment and terminal called equipment, thus decrease the load of core net process resource, and when there is communication failure between Session Border Controll and equipment of the core network, ensure that the session service between local end's equipment is unaffected.

Description

Session service processing method, system and Session Border Controll
Technical field
The embodiment of the present invention relates to communication technical field, particularly relates to a kind of session service processing method, system and Session Border Controll.
Background technology
Session Border Controll is connected with core net with Access Network in a network respectively, and the relevant address and port information of core net and Access Network all carries out recording and storing through this equipment, realizes the reliability service of multi service access.In prior art, under Session Border Controll with terminal equipment all register on equipment of the core network, when terminal equipment initiation session class service call, Session Border Controll does not carry out any process and control, and to the calling of equipment of the core network transparent transmission service, all-calls must carry out control treatment by equipment of the core network.
Along with the development of IP multimedia system/Softswitch technology, under core net with number of users reach 1,000,000 grades, processing load is increasing.Although core net is paired deployment generally; and have the standby ability protected mutually such as 1+1,1:1; but between core net and Session Border Controll during link failure, under Session Border Controll with all terminal equipments between session service all will interrupt, coverage is very large.
Summary of the invention
For the above-mentioned defect of prior art, the embodiment of the present invention provides a kind of session service processing method, system and Session Border Controll.
One aspect of the present invention provides a kind of Session Border Controll, comprising:
Receiver module, for receiving call request message that calling terminal equipment sends, that comprise terminal called equipment number mark;
Judge module, for judging whether to exist in the user message table that this locality prestores the terminal called facility information comprising described terminal called equipment number mark, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
Processing module, if for receiving the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, completes session service to make described calling terminal equipment and described terminal called equipment in Access Network.
The present invention provides a kind of session service processing method on the other hand, comprising:
Session Border Controll receives call request message that calling terminal equipment sends, that comprise terminal called equipment number mark;
Described Session Border Controll judges whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
If described Session Border Controll receives the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, in Access Network, complete session service to make described calling terminal equipment and described terminal called equipment.
Another aspect of the invention provides a kind of session service treatment system, comprising: at least two terminal equipments and above-mentioned Session Border Controll.
The session service processing method that the embodiment of the present invention provides, system and Session Border Controll, by Session Border Controll after the call request message receiving the transmission of calling terminal equipment, the terminal called facility information existing in the user message table that this locality prestores and comprise terminal called equipment number mark is known if judge, then according to the terminal called equipment transmission call request message of the address information in terminal called facility information to correspondence, if receive the call answering message that terminal called equipment returns, then the address information of terminal called equipment is returned to calling terminal equipment, in Access Network, session service is completed to make calling terminal equipment and terminal called equipment, thus the session service achieved between the terminal equipment belonging to the control of same Session Border Controll only completes in Access Network, do not need to conversate control through equipment of the core network, decrease the load of core net process resource, and when there is communication failure between Session Border Controll and equipment of the core network, ensure that the session service between local end's equipment is unaffected.
Accompanying drawing explanation
The flow chart of the session service processing method that Fig. 1 provides for the embodiment of the present invention;
The flow chart of another session service processing method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the Session Border Controll that Fig. 3 provides for the embodiment of the present invention;
The structural representation of another Session Border Controll that Fig. 4 provides for the embodiment of the present invention;
The structural representation of the session service treatment system that Fig. 5 provides for the embodiment of the present invention.
Embodiment
The flow chart of the session service processing method that Fig. 1 provides for the embodiment of the present invention, as shown in Figure 1, the method comprises:
Step 100, Session Border Controll receives call request message that calling terminal equipment sends, that comprise terminal called equipment number mark;
When calling terminal equipment needs to conversate business with terminal called equipment, calling terminal equipment initiates to the Session Border Controll of ownership the call request message comprising terminal called equipment number mark.It will be understood by those skilled in the art that under Session Border Controll with terminal equipment comprise: integrated access equipment, IP phone and computer that optical node is plug-in, and the integrated access equipment that optical node is built-in.
Step 101, described Session Border Controll judges whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
Session Border Controll carries out parsing to the call request message received and obtains terminal called equipment number mark, and the local user message table prestored of inquiry, wherein, the user message table that this locality prestores include with under this Session Border Controll with each terminal equipment corresponding, the terminal device information of the address information that comprises terminal equipment number mark and terminal equipment.User message table in Session Border Controll can obtain in several ways, illustrate, mode one: Session Border Controll sends to the equipment of the core network storing terminal equipment log-on message the user profile comprising Session Border Controll mark and obtains request, the local terminal equipment log-on message acquisition stored of equipment of the core network inquiry identifies corresponding user profile with Session Border Controll and returns to Session Border Controll, for Session Border Controll, user profile is stored in this locality.Mode two: Session Border Controll receives the session registration message that the lower terminal equipment be with sends to equipment of the core network, this session registration message comprises: the address information of terminal equipment number mark and terminal equipment, wherein, address information comprises IP address information and port information, IP address information comprises IPv4 address or IPv6 address, Session Border Controll is resolved session registration message and is obtained terminal equipment number mark and address information and be stored in local user message table, then send to equipment of the core network and comprise Session Border Controll mark, the session registration message of the address information of terminal equipment number mark and terminal equipment.
Session Border Controll is by after the local user message table prestored of inquiry, the terminal called facility information existing in user message table and comprise terminal called equipment number mark is known if judge, then illustrate terminal called equipment and calling terminal equipment belong under same Session Border Controll with terminal equipment, then Session Border Controll obtains the address information of terminal called equipment from terminal called facility information, according to the terminal called equipment transmission call request message of this address information to correspondence.
Step 102, if described Session Border Controll receives the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, in Access Network, complete session service to make described calling terminal equipment and described terminal called equipment.
If terminal called equipment determines the call request message receiving Session Border Controll transmission, then send call answering message to Session Border Controll, thus the call answering message that Session Border Controll returns according to the terminal called equipment received returns the call answering message of the address information comprising terminal called equipment to calling terminal equipment, calling terminal equipment adopts the address information of self and terminal called equipment in Access Network, directly set up session channel and completes session service.Compared with prior art, the session service belonged between terminal equipment that same Session Border Controll controls no longer to be conversated control by equipment of the core network, but only to be conversated control by Session Border Controll, thus belong to same Session Border Controll control terminal equipment between session service only just can complete in Access Network, do not need through equipment of the core network.
The session service processing method that the present embodiment provides, by Session Border Controll after the call request message receiving the transmission of calling terminal equipment, the terminal called facility information existing in the user message table that this locality prestores and comprise terminal called equipment number mark is known if judge, then according to the terminal called equipment transmission call request message of the address information in terminal called facility information to correspondence, if receive the call answering message that terminal called equipment returns, then the address information of terminal called equipment is returned to calling terminal equipment, in Access Network, session service is completed to make calling terminal equipment and terminal called equipment, thus the session service achieved between the terminal equipment belonging to the control of same Session Border Controll only completes in Access Network, do not need to conversate control through equipment of the core network, decrease the load of core net process resource, and when there is communication failure between Session Border Controll and equipment of the core network, ensure that the session service between local end's equipment is unaffected.
Based on above-described embodiment, further, Session Border Controll is by after the local user message table prestored of inquiry, the terminal called facility information not existing and comprise terminal called equipment number mark is known in user message table if judge, illustrate terminal called equipment and calling terminal equipment do not belong under same Session Border Controll with terminal equipment, then call request message is transmitted to equipment of the core network, the terminal equipment log-on message that equipment of the core network stores according to locality obtains the target session margin control corresponding with comprising terminal called facility information that terminal called equipment number identifies and identifies, and send call request message according to the address information in target session margin control mark and terminal called facility information to corresponding terminal called equipment.If terminal called equipment determines the call request message that reception equipment of the core network is sent by target session margin control, then send call answering message by target session margin control to equipment of the core network, thus the call answering message that equipment of the core network returns according to the terminal called equipment received returns the call answering message of the address information comprising terminal called equipment to calling terminal equipment, calling terminal equipment adopts the address information of self and terminal called equipment to set up session channel by equipment of the core network and completes session service.
The flow chart of another session service processing method that Fig. 2 provides for the embodiment of the present invention, as shown in Figure 2, the method comprises:
Step 200, Session Border Controll monitoring whether can with equipment of the core network proper communication, if so, then perform step 201, otherwise, perform step 203;
Session Border Controll monitoring whether can with equipment of the core network proper communication, concrete monitoring mode comprises: Session Border Controll sends heartbeat inspecting signal to equipment of the core network, if do not receive the response that equipment of the core network returns, then judge to occur communication failure between equipment of the core network; Or Session Border Controll sends after communication information to equipment of the core network, the response message that equipment of the core network returns if do not receive within the time of presetting, then judge to occur communication failure between equipment of the core network.If Session Border Controll monitoring can and equipment of the core network between when carrying out proper communication, perform step 201, if when there is communication failure between Session Border Controll monitoring and equipment of the core network, perform step 203.
Step 201, Session Border Controll receives the transmission of calling terminal equipment, after comprising the call request message of terminal called equipment number mark, described call request message is transmitted to equipment of the core network, the terminal equipment log-on message stored according to locality for described equipment of the core network obtains the target session margin control corresponding with comprising terminal called facility information that described terminal called equipment number identifies and identifies, and send call request message according to the address information in described target session margin control mark and described terminal called facility information to corresponding terminal called equipment,
When calling terminal equipment needs to conversate business with terminal called equipment, calling terminal equipment initiates to the Session Border Controll of ownership the call request message comprising terminal called equipment number mark, the call request message received directly is transmitted to equipment of the core network by Session Border Controll, the terminal equipment log-on message that equipment of the core network stores according to locality obtains the target session margin control corresponding with comprising terminal called facility information that terminal called equipment number identifies and identifies, and send call request message according to the address information in target session margin control mark and terminal called facility information to corresponding terminal called equipment.
Step 202, if described Session Border Controll receives the call answering message comprising described address information that described equipment of the core network returns, then return described address information to described calling terminal equipment, complete session service to make described calling terminal equipment and described terminal called equipment by described equipment of the core network.
If terminal called equipment determines the call request message that reception equipment of the core network is sent by target session margin control, then send call answering message by target session margin control to equipment of the core network, thus the call answering message that equipment of the core network returns according to the terminal called equipment received returns the call answering message of the address information comprising terminal called equipment to calling terminal equipment, calling terminal equipment adopts the address information of self and terminal called equipment to set up session channel by equipment of the core network and completes session service.
Step 203, after Session Border Controll receives call request message that calling terminal equipment sends, that comprise terminal called equipment number mark, judge whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored; If so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
After Session Border Controll receives call request message that calling terminal equipment sends, that comprise terminal called equipment number mark, parsing is carried out to the call request message received and obtains terminal called equipment number mark, and the local user message table prestored of inquiry, wherein, the user message table that this locality prestores include with under this Session Border Controll with each terminal equipment corresponding, the terminal device information of the address information that comprises terminal equipment number mark and terminal equipment.User message table in Session Border Controll can obtain in several ways, and the step 101 in concrete embodiment shown in Figure 1, repeats no more herein.Session Border Controll is by after the local user message table prestored of inquiry, the terminal called facility information existing in user message table and comprise terminal called equipment number mark is known if judge, then illustrate terminal called equipment and calling terminal equipment belong under same Session Border Controll with terminal equipment, then Session Border Controll obtains the address information of terminal called equipment from terminal called facility information, according to the terminal called equipment transmission call request message of this address information to correspondence.
Step 204, if described Session Border Controll receives the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, in Access Network, complete session service to make described calling terminal equipment and described terminal called equipment;
If terminal called equipment determines the call request message receiving Session Border Controll transmission, then send call answering message to Session Border Controll, thus the call answering message that Session Border Controll returns according to the terminal called equipment received returns the call answering message of the address information comprising terminal called equipment to calling terminal equipment, calling terminal equipment adopts the address information of self and terminal called equipment in Access Network, directly set up session channel and completes session service.Thus belong to same Session Border Controll control terminal equipment between session service only just can complete in Access Network, do not need through equipment of the core network.
Step 205, recover if Session Border Controll monitors described communication failure, the session information of the session service then described calling terminal equipment and described terminal called equipment completed in Access Network sends to described equipment of the core network, so that described equipment of the core network carries out charging process according to described session information to described session service.
If the communication failure that Session Border Controll monitors between self and equipment of the core network recovers, then by under Session Border Controll same during communication failure with calling terminal equipment and the session information of session service that completes in Access Network of terminal called equipment send to equipment of the core network, wherein, session information comprises: the number mark of calling terminal equipment or address information, the number mark of terminal called equipment or address information, session communication duration, the packet traffic etc. that session produces, so that equipment of the core network carries out charging process according to session information to session service.
The session service processing method that the present embodiment provides, by Session Border Controll monitor whether can and equipment of the core network between proper communication, if when communicating normal, the call request message received directly is passed through equipment of the core network by Session Border Controll, session service is completed with the control treatment by equipment of the core network, if during communication failure, Session Border Controll is after the call request message receiving the transmission of calling terminal equipment, the terminal called facility information existing in the user message table that this locality prestores and comprise terminal called equipment number mark is known if judge, then according to the terminal called equipment transmission call request message of the address information in terminal called facility information to correspondence, if receive the call answering message that terminal called equipment returns, then the address information of terminal called equipment is returned to calling terminal equipment, in Access Network, session service is completed to make calling terminal equipment and terminal called equipment, after recovering with pending fault, equipment of the core network is sent to carry out synchronous charging relevant session information.Thus achieve when to there is communication failure between Session Border Controll and equipment of the core network, ensure that the session service between local end's equipment is unaffected.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a subscriber terminal equipment read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
The structural representation of the Session Border Controll that Fig. 3 provides for the embodiment of the present invention, as shown in Figure 3, this Session Border Controll comprises: receiver module 11, judge module 12 and processing module 13, and receiver module 11 is for receiving call request message that calling terminal equipment sends, that comprise terminal called equipment number mark; Judge module 12 is for judging whether to exist in the user message table that this locality prestores the terminal called facility information comprising described terminal called equipment number mark, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence; If the call answering message that processing module 13 returns for receiving described terminal called equipment, then returning described address information to described calling terminal equipment, in Access Network, completing session service to make described calling terminal equipment and described terminal called equipment.
The function of each module and handling process in the Session Border Controll that the present embodiment provides, can see the embodiment of the method shown in above-mentioned Fig. 1, and it realizes principle and technique effect is similar, repeats no more herein.
Further, judge module 12 also for: if judge know in described user message table do not exist comprise described terminal called equipment number mark terminal called facility information, then described call request message is transmitted to equipment of the core network, the terminal equipment log-on message stored according to locality for described equipment of the core network obtains the target session margin control corresponding with comprising terminal called facility information that described terminal called equipment number identifies and identifies, and send call request message according to the address information in described target session margin control mark and described terminal called facility information to corresponding terminal called equipment,
Processing module 13 is also for described equipment of the core network returns if receive the call answering message comprising described address information, then return described address information to described calling terminal equipment, complete session service to make described calling terminal equipment and described terminal called equipment by described equipment of the core network.
The structural representation of another Session Border Controll that Fig. 4 provides for the embodiment of the present invention, as shown in Figure 4, based on embodiment illustrated in fig. 3, this Session Border Controll also comprises: monitoring modular 14, for monitoring whether can with equipment of the core network proper communication, if proper communication, then the call request message received by receiver module 11 is transmitted to equipment of the core network by processing module 13, the terminal equipment log-on message stored according to locality for described equipment of the core network obtains the target session margin control corresponding with comprising terminal called facility information that described terminal called equipment number identifies and identifies, and send call request message according to the address information in described target session margin control mark and described terminal called facility information to corresponding terminal called equipment, if processing module 13 receives the call answering message comprising described address information that described equipment of the core network returns, then return described address information to described calling terminal equipment, complete session service to make described calling terminal equipment and described terminal called equipment by described equipment of the core network, if there is communication failure, then judge whether to exist in the user message table that this locality prestores the terminal called facility information comprising described terminal called equipment number mark by judge module 12, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence, if the call answering message that processing module 13 returns for receiving described terminal called equipment, then returning described address information to described calling terminal equipment, in Access Network, completing session service to make described calling terminal equipment and described terminal called equipment.
Processing module 13 also for: if monitoring modular 14 monitor described communication failure recover, the session information of the session service then described calling terminal equipment and described terminal called equipment completed in Access Network sends to described equipment of the core network, so that described equipment of the core network carries out charging process according to described session information to described session service.
The function of each module and handling process in the Session Border Controll that the present embodiment provides, can see the embodiment of the method shown in above-mentioned Fig. 2, and it realizes principle and technique effect is similar, repeats no more herein.
The structural representation of the session service treatment system that Fig. 5 provides for the embodiment of the present invention, as shown in Figure 5, this system comprises: comprise at least two terminal equipments and Session Border Controll 1, wherein, a terminal equipment is calling terminal equipment 2, a terminal equipment is terminal called equipment 3, wherein, the Session Border Controll that Session Border Controll 1 can adopt the embodiment of the present invention to provide, calling terminal equipment 2 and terminal called equipment 3 can be calling terminal equipment involved in the embodiment of the present invention and terminal called equipment.
The function of each module and handling process in the session service treatment system that the present embodiment provides, can see the embodiment of the method shown in above-mentioned, and it realizes principle and technique effect is similar, repeats no more herein.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims (4)

1. a Session Border Controll, is characterized in that, comprising:
Receiver module, for receiving call request message that calling terminal equipment sends, that comprise terminal called equipment number mark;
Judge module, for judging whether to exist in the user message table that this locality prestores the terminal called facility information comprising described terminal called equipment number mark, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
Processing module, if for receiving the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, completes session service to make described calling terminal equipment and described terminal called equipment in Access Network; Also comprise:
Monitoring modular, for monitoring whether can with equipment of the core network proper communication, if there is communication failure, then judge whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored by described judge module;
Described processing module also for: if described monitoring module monitors is recovered to described communication failure, the session information of the session service then described calling terminal equipment and described terminal called equipment completed in Access Network sends to described equipment of the core network, so that described equipment of the core network carries out charging process according to described session information to described session service.
2. a session service processing method, is characterized in that, comprising:
Session Border Controll receives call request message that calling terminal equipment sends, that comprise terminal called equipment number mark;
Described Session Border Controll judges whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored, if so, then according to the terminal called equipment transmission call request message of the address information in described terminal called facility information to correspondence;
If described Session Border Controll receives the call answering message that described terminal called equipment returns, then return described address information to described calling terminal equipment, in Access Network, complete session service to make described calling terminal equipment and described terminal called equipment;
Described judge whether there is the terminal called facility information comprising described terminal called equipment number mark in the local user message table prestored before, described method also comprises:
Monitoring whether can with equipment of the core network proper communication, if there is communication failure, then judge in the local user message table prestored, whether to there is the terminal called facility information comprising described terminal called equipment number and identify;
Described method also comprises:
If monitor described communication failure to recover, the session information of the session service then described calling terminal equipment and described terminal called equipment completed in Access Network sends to described equipment of the core network, so that described equipment of the core network carries out charging process according to described session information to described session service.
3. session service processing method according to claim 2, is characterized in that, described terminal equipment comprises: integrated access equipment, IP phone and computer that optical node is plug-in, and the integrated access equipment that optical node is built-in.
4. a session service treatment system, is characterized in that, comprising: at least two terminal equipments and Session Border Controll as claimed in claim 1.
CN201310004201.4A 2013-01-06 2013-01-06 Session service processing method, system and Session Border Controll Active CN103051484B (en)

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CN104917717B (en) * 2014-03-10 2018-09-07 中国移动通信集团北京有限公司 A kind of method of calling, equipment and system
CN108123853A (en) * 2016-11-28 2018-06-05 中兴通讯股份有限公司 A kind of network integration method and terminal
CN109802837A (en) * 2017-11-15 2019-05-24 中国移动通信有限公司研究院 A kind of charging method, device, equipment and computer readable storage medium
CN111163465A (en) * 2018-11-07 2020-05-15 北京京东尚科信息技术有限公司 Method and device for connecting user terminal and local terminal and call center system

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