CN1878330A - Information transferring method in call service - Google Patents
Information transferring method in call service Download PDFInfo
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- CN1878330A CN1878330A CN 200610033593 CN200610033593A CN1878330A CN 1878330 A CN1878330 A CN 1878330A CN 200610033593 CN200610033593 CN 200610033593 CN 200610033593 A CN200610033593 A CN 200610033593A CN 1878330 A CN1878330 A CN 1878330A
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Abstract
The invention relates to a method for transmitting message in calling service, which can solve the problem that transmitting the character information of calling relative numbers in the WAC calling service, based on IP. Wherein, said invention comprises: the soft exchanger A' connected to the calling device A receives the calling message sent from calling device; the soft exchanger A', according to the calling message, inquires the character information of calling relative number at the intelligent storage node; and the soft exchanger A' sends the inquired character information, via expanded SIP message, to the soft exchanger B' connected to the called device, to realize the character information transmission of WAC calling service.
Description
Technical field
The present invention relates to communication technical field, the method that information is transmitted in particularly a kind of call business.
Background technology
WAC (Wide Area Centrex) is the wide area centrx central exchange, the WAC business is the wide area virtual net, it is the extension of single virtual net and function thereof, be also referred to as " Wide Area Centrex ", exactly being positioned at " centrx central exchange (CENTREX) " on the different switching nodes by the connection on physics and the signaling, form a dedicated network virtual, cross-region, thus make have dispersed big customer on the region can be in time, on a VPN (virtual private network), keep in touch easily.This business is the effective means that attracts the big customer, promotes big customer's loyalty, is a new business of telecom operators' profit.
The WAC business mainly is applicable to units such as the office that has branch in different places, enterprises and institutions, universities and colleges, commercial building, hotel form its CENTREX group who is distributed in various places who opens and unit on public network a virtual special-purpose networking.All users (hereinafter to be referred as WAC user) in the WAC net belong to the ordinary telephone subscriber of public network.
Its existing and equal function of Private Branch Exchange PBX (PBX) of Centrex has overcome PBX again and has continued slowly, and extension set and the ratio of relaying be higher to cause the shortcoming such as not smooth of communicating by letter, and its advantage is that PBX is incomparable.For the user, it can save the construction maintenance cost, does not need special messenger's maintenance and operation, provide service by network operater (telecommunication department), equipment is installed in telecommunication bureau, and the user need not provide the installation site, the initial investment expense is cheap, thereby has saved human and material resources.
Along with the progressively evolution of next generation network, IP-based WAC business more vast operator is paid close attention at present.This wherein has a kind of demand to be: carry out in the process at out WAC call business, require to carry except that the caller trombone in the signaling, outside the called number, can also carry caller cornet and group's information, so that to carrying the incoming call of caller cornet, caller ID display is a cornet under the situation about supporting of playing a game.
Because present stage has been crossed the NGN notion to the research of next generation network both at home and abroad, the category of System Framework, beginning is used infiltration comprehensively to business; And this is wherein based on flexibly, and is simple, and open, extendible Session Initiation Protocol has obtained the great attention of telecommunications scientific research institution and telecom operators especially.So, later trend be progressively to based on ' broadband application evolution, for IP-based WAC call business, the demand of the information of group number or other callers is arranged under play a game display of calling cornet, caller, and Session Initiation Protocol is not specifically defined the method for transmitting these important informations at present.
Summary of the invention
The present invention proposes a kind of new method that realization information is transmitted in WAC calls out, solved the problem of transmitting based on the WAC call business correlation number attribute information among the SIP of IP agreement.
The present invention proposes the method that information is transmitted in a kind of call business, it is as follows that the method comprising the steps of:
S1. the soft exchanger A ' that links to each other with the caller device A receives the call information that caller equipment sends;
S2. soft exchanger A ' obtains the professional correlation number attribute information of corresponding call according to the content of call information;
S3. soft exchanger A ' sends to the Softswitch B ' that links to each other with called equipment with the call business correlation number attribute information that acquires.
Wherein, soft exchanger A ' is inquired about the professional correlation number attribute information of corresponding call according to the content of call information among the step S2 on intelligent memory node.
And, on intelligent memory node, have,
The long cornet table of comparisons of WAC is used for looking into mutually of trombone and cornet information;
Centrex group's tables of data stores faciation and closes information;
The content of the described call information of step S2 comprises caller trombone, called cornet information, and described call business correlation number attribute information comprises called trombone, caller cornet, caller place group's information.Step S2 is specially:
Soft exchanger A ' obtains caller cornet information according to the caller trombone in the long cornet table of comparisons of WAC;
Soft exchanger A ' obtains group's information according to the caller trombone in Centrex group's tables of data;
Soft exchanger A ' obtains called trombone information according to called cornet in the long cornet table of comparisons of WAC.
Described faciation pass information comprises the end message in group's information and/or the group.
Among the step S3, call business correlation number attribute information is to send to the Softswitch B ' that called equipment links to each other by the sip message of expanding.
The sip message of described expansion is the INVITE in the Session Initiation Protocol, increases the optional parameters field by the FROM territory at INVITE and carries call business correlation number attribute information.
In addition, also comprise after the step S3:
S4. Softswitch B ' obtains the group number at called equipment place;
S5. Softswitch B ' takes out the group number at caller equipment place from the sip message of expansion, with the group comparison at called equipment place, if equate, then the caller cornet that takes out from the sip message of expanding can be presented on the called equipment.
Wherein, described step S4 is specially:
Softswitch B ' goes on the intelligent memory node inquiry Centex group tables of data according to called number, obtains the group number at called equipment place;
Or
Store group's information of terminal called on the Softswitch B ', Softswitch B ' directly takes out.
The present invention proposes the method that information is transmitted in a kind of call business, because adopted session control protocol SIP, and expanded the message format of this protocol definition, finished in next generation network and realized call business correlation number attribute information transmission among the WAC by Session Initiation Protocol, simultaneously, can expand easily according to the newly-increased characteristic demand of later WAC call business, adapted to the development of network IPization.
Description of drawings
Fig. 1 is the message time sequence figure of customer call of the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The present invention carries by number attribute in the structure realization WAC calling of expansion sip message in the NGN network.Simultaneously, soft switch is that intra-group call then is shown as cornet after having done and having judged.
In whole system, have on the intelligent memory node:
The long cornet table of comparisons of WAC is used for looking into mutually of trombone and cornet information;
Centrex group's tables of data stores faciation and closes information, and the faciation described here information of closing comprises the end message in group's information and the group at least;
Use intelligent memory node to realize the centralized management of the long cornet data of WAC, can support more jumbo CENTREX user.The long cornet table of comparisons of WAC is concentrated and is kept in the intelligent memory node, realizes the long cornet data management that WAC concentrates.Still need in the soft switch to dispose Centrex group's data, but Centrex user can not have the cornet data, can dispose cornet yet,, be as the criterion with the cornet of soft switch this locality if disposed cornet.
When Centrex user dials the cornet calling,, locate the called subscriber so that obtain called trombone if the soft switch local search, need arrive the trombone of inquiry cornet correspondence on the intelligent memory node less than the trombone of cornet correspondence.
Below in conjunction with Fig. 1 whole message interaction process is described:
At first, have on the intelligent memory node:
The long cornet table of comparisons of WAC is used for looking into mutually of trombone and cornet information;
Centrex group's tables of data stores faciation and closes information, and the faciation described here information of closing comprises the end message in group's information and the group at least;
As shown in Figure 1,
1. the user A under the A of office point dials a certain user under the cornet calling office point B;
2. soft exchanger A ' is carried out analyzing and processing after receiving message, carries the caller trombone and adds that called cornet information is to intelligent memory node initiation inquiry correlation number attribute information;
3. intelligent memory node returns inquires about the caller cornet that obtains, called trombone, caller group information, group's name information to soft exchanger A ';
4. soft exchanger A ' is expanded the sip message structure, caller cornet, caller group information is encapsulated in group's name information passes to the Softswitch B ' that links to each other with terminal called in the sip message.
Wherein,, for example increase by three optional parameters fields and carry the caller cornet in the FROM territory of INVITE to the expansion of sip message structure, caller group number, caller group name information is played a game so that be delivered to.Receive and carry the caller cornet that caller group number behind the sip message of caller group name information, obtains the group number at called number place and play a game, then and the caller group comparison of playing a game and sending here, equate the expression intra-group call, not waiting then is not intra-group call.In being the group, judgement during incoming call, understands the cornet of display of calling user on called user terminal.Here the group at called number place number determine that two kinds of methods can be arranged, the one, take called number in Centrex group's tables of data, to inquire about acquisition, the one, with the called Softswitch that directly links to each other on store corresponding information.In addition, when judgement is not intra-group call, handle by the normal flow of prior art.
The down attached typical part message examples of having expanded behind the Session Initiation Protocol INVITE FROM header field, wherein " group=30; Name=xxxx; Wac; Number=8888 " be expansion, group number, group name, cornet information are provided respectively.
·INVITE?sip:[email protected];user=phone?SIP/2.0
·Via:SIP/2.0/UDP?182.20.62.200:5061;branch=z9hG4bK78cdff590
·Call-ID:[email protected]
·From:xxxxx.com<sip:[email protected];user=phone>;tag=78cdff59;group=30;name=xxxx;wac;number=8888
·To:xxx.com<sip:[email protected];user=phone>
·CSeq:1?INVITE
·Contact:<sip:[email protected]:5061;user=phone>
·Supported:100rel
·Max-Forwards:70
Above-mentioned example is three information transmitting caller group number, group name, caller cornet, also can be only caller group number and caller cornet be expanded among the Session Initiation Protocol INVITE FROM header field, perhaps main group name and caller cornet are expanded among the Session Initiation Protocol INVITE FROM header field.
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 those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (9)
1, the method that information is transmitted in a kind of call business is characterized in that it is as follows that the method comprising the steps of:
S1. the soft exchanger A ' that links to each other with the caller device A receives the call information that caller equipment sends;
S2. soft exchanger A ' obtains the professional correlation number attribute information of corresponding call according to the content of call information;
S3. soft exchanger A ' sends to the Softswitch B ' that links to each other with called equipment with the call business correlation number attribute information that acquires.
2, the method that information is transmitted in a kind of call business as claimed in claim 1 is characterized in that, soft exchanger A ' is inquired about the professional correlation number attribute information of corresponding call according to the content of call information among the step S2 on intelligent memory node.
3, the method that information is transmitted in a kind of call business as claimed in claim 2 is characterized in that having on intelligent memory node,
The long cornet table of comparisons of WAC is used for looking into mutually of trombone and cornet information;
Centrex group's tables of data stores faciation and closes information;
The content of the described call information of step S2 comprises caller trombone, called cornet information, and described call business correlation number attribute information comprises called trombone, caller cornet, caller place group's information.
4, the method that information is transmitted in a kind of call business as claimed in claim 3 is characterized in that step S2 is specially:
Soft exchanger A ' obtains caller cornet information according to the caller trombone in the long cornet table of comparisons of WAC;
Soft exchanger A ' obtains group's information according to the caller trombone in Centrex group's tables of data;
Soft exchanger A ' obtains called trombone information according to called cornet in the long cornet table of comparisons of WAC.
5, the method that information is transmitted in a kind of call business as claimed in claim 4 is characterized in that, described faciation pass information comprises the end message in group's information and/or the group.
6, the method for transmitting as information in claim 1 or the 5 described a kind of call business is characterized in that, among the step S3, call business correlation number attribute information is to send to the Softswitch B ' that called equipment links to each other by the sip message of expanding.
7, the method that information is transmitted in a kind of call business as claimed in claim 6, it is characterized in that, the sip message of described expansion is the INVITE in the Session Initiation Protocol, increases the optional parameters field by the FROM territory at INVITE and carries call business correlation number attribute information.
8, the method for transmitting as information in claim 3,4, the 5 or 7 described a kind of call business is characterized in that,
Also comprise after the step S3:
S4. Softswitch B ' obtains the group number at called equipment place;
S5. Softswitch B ' takes out the group number at caller equipment place from the sip message of expansion, with the group comparison at called equipment place, if equate, then the caller cornet that takes out from the sip message of expanding can be presented on the called equipment.
9, the method that information is transmitted in a kind of call business as claimed in claim 8 is characterized in that described step S4 is specially:
Softswitch B ' goes on the intelligent memory node inquiry Centex group tables of data according to called number, obtains the group number at called equipment place;
Or
Store group's information of terminal called on the Softswitch B ', Softswitch B ' directly takes out.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610033593 CN1878330A (en) | 2006-02-11 | 2006-02-11 | Information transferring method in call service |
CN 200610159686 CN1960505A (en) | 2006-02-11 | 2006-09-30 | Method and system for implementing virtual subscriber exchange service in wide area, and call controller |
CNA200780000240XA CN101313597A (en) | 2006-02-11 | 2007-02-12 | Method and system implementing WAC service and call controller, application server therefor |
EP07720244A EP1983766B1 (en) | 2006-02-11 | 2007-02-12 | Method for realizing wac service, system and calling controller and application server thereof |
PCT/CN2007/000477 WO2007090356A1 (en) | 2006-02-11 | 2007-02-12 | Method for realizing wac service, system and calling controller and application server thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200610033593 CN1878330A (en) | 2006-02-11 | 2006-02-11 | Information transferring method in call service |
Publications (1)
Publication Number | Publication Date |
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CN1878330A true CN1878330A (en) | 2006-12-13 |
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ID=37510591
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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CN 200610033593 Pending CN1878330A (en) | 2006-02-11 | 2006-02-11 | Information transferring method in call service |
CNA200780000240XA Pending CN101313597A (en) | 2006-02-11 | 2007-02-12 | Method and system implementing WAC service and call controller, application server therefor |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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CNA200780000240XA Pending CN101313597A (en) | 2006-02-11 | 2007-02-12 | Method and system implementing WAC service and call controller, application server therefor |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103118347B (en) * | 2011-11-16 | 2015-11-18 | ***通信集团上海有限公司 | Method, system and query facility that a kind of terminal room short codes is called out |
CN105812596A (en) * | 2014-12-31 | 2016-07-27 | ***通信集团公司 | Calling number display method, related device and system in IMS network |
-
2006
- 2006-02-11 CN CN 200610033593 patent/CN1878330A/en active Pending
-
2007
- 2007-02-12 CN CNA200780000240XA patent/CN101313597A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103118347B (en) * | 2011-11-16 | 2015-11-18 | ***通信集团上海有限公司 | Method, system and query facility that a kind of terminal room short codes is called out |
CN105812596A (en) * | 2014-12-31 | 2016-07-27 | ***通信集团公司 | Calling number display method, related device and system in IMS network |
CN105812596B (en) * | 2014-12-31 | 2019-08-27 | ***通信集团公司 | Caller ID display method, relevant apparatus and system in a kind of IMS network |
Also Published As
Publication number | Publication date |
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CN101313597A (en) | 2008-11-26 |
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