CN101674496A - Integrated virtual private network system and method for triggering integrated virtual private network service - Google Patents

Integrated virtual private network system and method for triggering integrated virtual private network service Download PDF

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Publication number
CN101674496A
CN101674496A CN200910236432A CN200910236432A CN101674496A CN 101674496 A CN101674496 A CN 101674496A CN 200910236432 A CN200910236432 A CN 200910236432A CN 200910236432 A CN200910236432 A CN 200910236432A CN 101674496 A CN101674496 A CN 101674496A
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switching point
service switching
private network
virtual private
information
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CN101674496B (en
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戴莉
王永新
罗小妮
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2010/072703 priority patent/WO2010145366A1/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges
    • H04Q3/0029—Provisions for intelligent networking

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  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)
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Abstract

The invention discloses an integrated virtual private network system and a method for triggering an integrated virtual private network service. The system mainly comprises a location home register, aninformation analysis service switching point, a trigger service switching point and an integrated virtual private network service platform; cluster subscription information of an integrated VPN service user is acquired by the information analysis service switching point; a specified access code is added at the front of a called number when the calling is received; the triggering of the integratedVPN service is completed by the trigger service switching point specified by the access code; and the integrated VPN service is processed and triggered together by the service switching point in theauthority and the service switching point outside the authority in an integrated VPN system, thus leading the signaling load of the service switching points in the system to realize balance and leading system resources to be fully utilized.

Description

The method of integrated virtual private network system and triggering integrated virtual private network service
Technical field
The present invention relates to the IN service field, relate in particular to the method for integrated virtual private network system and triggering integrated virtual private network service.
Background technology
Intelligent network is on original communication network basis, and a kind of complementary network structure quick, convenient, that provide telecommunication service or value-added service to be provided with economically is provided.In theory, the intelligent network new business that can provide is unlimited.Development along with intelligent network, can realize the interworking between network of intelligent network, intelligent network combines with the Internet, intelligent network and broadband integrated services digital network (B-ISDN, Broadband IntegratedServices Digital Network) combination, following intelligent network will be intelligent more.
Integrated virtual private network is a kind of of intelligent network, integrated virtual private network (VPN, Virtual PrivateNetwork) business is a kind of IN service, can the telecommunications fixed network of zones of different will be distributed in, comprise PSTN (PSTN, Public Switched Telephone Network), the user of flexible exchanging network, code division multiple access (CDMA, Code Division Multiple Access) network (being called for short the C net), form a logic private network.Can use cornet or true number to carry out audio call in the net between the user, the group user of enterprises Virtual Private Network (IVPN, Intranet Virtual Private Network) more can be enjoyed tariff policy flexibly with off-net call in net.This business is more and more accepted by the user at present, and is extensive use of.
In the existing synthesis VPN business, when the local subscriber has contracted the synthesis VPN business, operation exchange (the SSP of local exchange, Service Switching Point) obtains the synthesis VPN business information that the user contracts, finish number analysis, and by with the fixing IN service of service control point (SCP, Service Control Point) interaction triggers; Receive that SCP issues carry the link information of the called number that need continue the time, call out until the calling and called conversation according to the called number of receiving, report charging report and call release behind the end of conversation.
When the signatory synthesis VPN of local subscriber is professional, directly handle and trigger intelligent business, need the Signalling exchange that obtains CAMEL-Subscription-Information and trigger the synthesis VPN business by supporting the SSP of synthesis VPN business in the local exchange, carrying out by local exchange.In the synthesis VPN system, when the user more for a long time, this intra-office supports the SSP of vpn service need handle a lot of signalings simultaneously, and the SSP of the support synthesis VPN business of foreign exchange may be in idle state in the system, so, the unbalanced situation of SSP signaling traffic load in the synthesis VPN system will occur, the intrasystem resource of synthesis VPN can not be fully used.In addition,, then need to develop again original SSP equipment, need the cost lot of manpower and material resources, can increase equipment cost greatly if utilize the SSP that does not support the synthesis VPN business in the local exchange to realize calling, the triggering of synthesis VPN business.
Summary of the invention
In view of this, the method that main purpose of the present invention is to provide a kind of integrated virtual private network system and triggers integrated virtual private network service is to solve the problem that the SSP signaling traffic load is unbalanced and system resource can not make full use of in the synthesis VPN system in the prior art.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention provides a kind of integrated virtual private network system, comprise, Home Location Register, information analysis Service Switching Point, triggering Service Switching Point, integrated virtual private network service platform; Wherein,
Described Home Location Register is used to be provided with group's CAMEL-Subscription-Information of integrated virtual private network service;
Described information analysis Service Switching Point is used to obtain described group's CAMEL-Subscription-Information, when receiving calling, according to the group's CAMEL-Subscription-Information that is obtained, finishes the number analysis of described calling; Before the called number of being called out, behind the access code of additional integrated virtual private network service appointment, called number is sent to the triggering Service Switching Point of the appointment of supporting integrated virtual private network service; And after the link information that receives described triggering Service Switching Point forwarding, finish continuing of described calling;
Trigger Service Switching Point, be used for finishing the triggering of integrated virtual private network service according to the called number that receives; Receive that described integrated virtual private network service platform issues carry the link information of the called number that is used to continue the time, this link information is forwarded to the information analysis Service Switching Point;
The integrated virtual private network service platform is used for carrying out information interaction with described triggering Service Switching Point, issues described link information to described triggering Service Switching Point.
In the such scheme, described information analysis Service Switching Point comprises first receiving element, group number analytic unit, first transmitting element, second receiving element and contiguous unit; Wherein,
First receiving element is used to receive described calling and sends to described group number analytic unit;
The group number analytic unit is used to finish the number analysis of described calling, behind the appointment access code before the called number of being called out in the additional integrated virtual private network service, called number is sent to described first transmitting element;
First transmitting element is used for the triggering Service Switching Point that has the called number of specifying access code to be sent to the appointment of supporting integrated virtual private network service with additional;
Second receiving element is used to receive the link information that described triggering Service Switching Point sends, and sends to described contiguous unit;
Contiguous unit is used for finishing continuing of described calling according to the called number that described link information is carried.
In the such scheme, described information analysis Service Switching Point also comprises database, is used to preserve the group's CAMEL-Subscription-Information that is obtained.Described integrated virtual private network platform is the service control point that is used to handle integrated virtual private network service.Described information analysis Service Switching Point is the tandem exchange that is used to realize the function of described information analysis Service Switching Point.
The present invention also provides a kind of method that triggers integrated virtual private network service, comprising:
The information analysis Service Switching Point obtains group's CAMEL-Subscription-Information set in the Home Location Register;
When the calling that receives the user, according to the number analysis of the group's CAMEL-Subscription-Information that is obtained to described calling, before called number, behind the access code of additional integrated virtual private network service appointment, called number is sent to the triggering Service Switching Point of the appointment of supporting integrated virtual private network service;
According to the called number that receives, trigger Service Switching Point and finish the triggering of integrated virtual private network service, receive that described integrated virtual private network service platform issues carry the link information of the called number that is used to continue the time, this link information is forwarded to described information analysis Service Switching Point, finishes continuing of described calling by described information analysis Service Switching Point.
Wherein, before set group's CAMEL-Subscription-Information, this method also comprises described information analysis Service Switching Point in obtaining Home Location Register: group's CAMEL-Subscription-Information that the integrated virtual private network user is set in Home Location Register.
In the such scheme, describedly finish continuing of described calling by the information analysis Service Switching Point and be specially: the information analysis Service Switching Point receives the link information that described triggering Service Switching Point is transmitted, and finishes continuing of described calling according to the called number that carries in the described link information.
In the such scheme, behind group's CAMEL-Subscription-Information that described information analysis Service Switching Point is contracted in obtaining Home Location Register, this method also comprises: the database that the group's CAMEL-Subscription-Information that is obtained is saved in the information analysis Service Switching Point.
In the such scheme, described information analysis Service Switching Point and described triggering Service Switching Point adopt Signaling System Number 7 to finish information interaction.
The method of integrated virtual private network system provided by the present invention and triggering integrated virtual private network service, obtain group's CAMEL-Subscription-Information of synthesis VPN service-user by the information analysis Service Switching Point, in receiving net during user's calling, finish the analysis of call number, before called number, add the access code of appointment; Finish the triggering of synthesis VPN business again by the triggering Service Switching Point of this access code appointment, so, can be by Service Switching Point and the common processing of this Service Switching Point not in the know and the triggering synthesis VPN business of this intra-office in the synthesis VPN system, make in the system signaling traffic load of each Service Switching Point reach balanced, and can make that resource is fully utilized, simultaneously also avoid the overlapping development of a plurality of Service Switching Points in the system, helped reducing equipment cost.
In addition, can also shared same triggering Service Switching Point between a plurality of office of synthesis VPN system among the present invention, so that trigger the information analysis Service Switching Point that Service Switching Point can related a plurality of innings, help usage factor of system resource and reach maximum.
Description of drawings
Fig. 1 is the structure chart of synthesis VPN of the present invention system;
Fig. 2 is another structure chart of synthesis VPN of the present invention system;
Fig. 3 triggers the method flow diagram of synthesis VPN business for the present invention;
Fig. 4 sends the method flow diagram that triggers the synthesis VPN business when calling out for the present invention is applied to net interior user user outside net;
Fig. 5 triggers the method flow diagram of synthesis VPN business when calling out between the interior user for the present invention is applied to net.
Embodiment
Basic thought of the present invention is: in integrated virtual private network system, finish the number analysis that obtains, calls out of group CAMEL-Subscription-Information by the information analysis Service Switching Point, finish the triggering of integrated virtual private network service again by the triggering Service Switching Point of appointment, finish continuing of calling by the information analysis Service Switching Point at last.
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is done further and to be elaborated.
Synthesis VPN system among the present invention please refer to Fig. 1, and this system mainly comprises: Home Location Register (HLR, Home Location Register) 11, information analysis Service Switching Point 12, triggering Service Switching Point 13, synthesis VPN business platform 14; In the practical application, information analysis Service Switching Point, triggering Service Switching Point all can have one or more.Wherein,
Described Home Location Register 11 is used to be provided with group's CAMEL-Subscription-Information of synthesis VPN business;
Described information analysis Service Switching Point 12, be used to obtain described group's CAMEL-Subscription-Information, when receiving calling, according to the group's CAMEL-Subscription-Information that is obtained, finish the number analysis of described calling, before the called number of being called out, behind the access code of the professional appointment of additional synthesis VPN, called number is sent to the triggering Service Switching Point of the appointment of supporting the synthesis VPN business, and after the link information that receives described triggering Service Switching Point forwarding, finish continuing of described calling;
Trigger Service Switching Point 13, be used for according to the called number that receives, finish the triggering of synthesis VPN business, receive that described synthesis VPN business platform 14 issues carry the link information of the called number that is used to continue the time, this link information is forwarded to the information analysis Service Switching Point;
Synthesis VPN business platform 14 is used for carrying out information interaction with triggering Service Switching Point 13, issues the link information that carries the called number that is used to continue to triggering Service Switching Point 13, to finish the triggering of synthesis VPN business.Here, synthesis VPN platform 14 can be a service control point that is used to handle integrated virtual private network service.
Here, described information analysis Service Switching Point 12 further comprises: first receiving element 121, group number analytic unit 122, first transmitting element 123, second receiving element and contiguous unit.Wherein,
First receiving element 121 is used to receive described calling, and call number is sent to group number analytic unit 122;
Here, during user's calling that the user sends outside net, call number is called called big number in the net of synthesis VPN; And for the calling between the user in the net, call number then is called called little number.
For example, called little number can be for netting the number that uses when calling out between the interior user, the number that uses when calling out between the mobile subscriber, the number that has comprised outgoing prefix and the true number of user that called big number uses in the time of then can be for the outer user of customer call net in netting, employed number when calling out the mobile subscriber as the fixed telephone user.
Group number analytic unit 122 is used to finish the number analysis of described calling, behind the appointment access code before called number in the additional synthesis VPN business, with additional have specify the called number of access code to be sent to first transmitting element;
Be specifically as follows: group number analytic unit 122 is in receiving net during user's calling that the user sends outside netting, according to the group's CAMEL-Subscription-Information that has obtained, with the prefix analysis in the called big number is out, removes first access code in the additional synthesis VPN business behind the prefix before the called big number; And in receiving net, during the calling between the user, according to the group's CAMEL-Subscription-Information that has obtained, be striking out with called little number analysis, direct second access code that before called little number, adds in the synthesis VPN business.
Wherein, first access code is during for user's calling that the user sends outside net in handling net, the appointment access code of triggering synthesis VPN business; Second access code is in handling net during the calling between the user, the appointment access code of triggering synthesis VPN business.
First transmitting element 123 is with the additional triggering Service Switching Point that has the called number of specifying access code to be sent to the appointment of supporting the synthesis VPN business.
Here, first in the corresponding synthesis VPN of first access code system can be triggered Service Switching Point, second in the corresponding synthesis VPN of second access code system be triggered Service Switching Point, by that analogy.
Be specifically as follows: first transmitting element 123 can be sent to the called number that adds first access code supports first of synthesis VPN business to trigger Service Switching Point, triggers the synthesis VPN business that Service Switching Point triggers the called number of having first access code by first; And the called number that will add second access code is sent to the second triggering Service Switching Point of supporting the synthesis VPN business, triggers the synthesis VPN business that Service Switching Point triggers the called number of having second access code by second.
Second receiving element 124 is used to receive the link information that described triggering Service Switching Point sends;
Contiguous unit 125 is used for finishing continuing of described calling according to the called number that this link information is carried.
Information analysis Service Switching Point 12 can also comprise the local data base (not shown), is used to preserve the group's CAMEL-Subscription-Information that is obtained, and is convenient to finish above-mentioned processing procedure by directly reading when receiving calling.
In the practical application, information analysis Service Switching Point 12 can be independently, also can be replaced by the tandem exchange with described information analysis Service Switching Point 12 functions.
Synthesis VPN system with fixed network 2.5G is an example below, synthesis VPN of the present invention system is done being described in further detail:
Please refer to Fig. 2, the synthesis VPN system configuration of fixed network 2.5G comprises: end office (EO) (LS) 21, Home Location Register 22, tandem exchange (IMS) 23, SSP24 and synthesis VPN business platform 25.
Wherein, LS21 hangs the user of the synthesis VPN business of this intra-office down, and HLR is provided with the newcug group CAMEL-Subscription-Information corresponding with this user, and these users manage by the IMS23 of this locality.
IMS23 has the function of above-mentioned information analysis Service Switching Point, obtains newcug group's CAMEL-Subscription-Information on the HLR alternately by MAP signaling and HLR, and it is saved in the local data base of IMS23.
When IMS23 receives the calling that the user sends among the LS21, cluster analysis device in its group number analytic unit carries out number analysis according to the newcug group's CAMEL-Subscription-Information that is obtained to the number of calling out, and after before the called number of calling out, adding the appointment access code of synthesis VPN business, called number is sent to the specified SSP24 of this access code by Signaling System Number 7.
After SSP24 receives the called number that comprises access code, according to this called number, carry out information interaction by INAP signaling and synthesis VPN business platform 25, whether this called number exists in synthesis VPN business platform 25 and whether state is normal to inquire about; If this called number exists in synthesis VPN business platform 25 and state is normal, then synthesis VPN business platform 25 issues CONNECT information by the INAP signaling to SSP24, carry the called number that can be used for continuing in this CONNECT information, at this moment, the process that triggers the synthesis VPN business finishes.
SSP24 receives CONNNECT information, again it is transmitted to IMS23 by Signaling System Number 7, and IMS23 receives this CONNECT information, finishes continuing of above-mentioned calling or subsequent voice calls with its called number that is used to continue that carries again.
The method of triggering synthesis VPN business of the present invention please refer to Fig. 3, and this method mainly comprises:
Step 301: the information analysis Service Switching Point obtains group's CAMEL-Subscription-Information set in the Home Location Register;
Here, behind group's CAMEL-Subscription-Information that described information analysis Service Switching Point is provided with, can also the group's CAMEL-Subscription-Information that be obtained be saved in synchronously the database of information analysis Service Switching Point in obtaining Home Location Register by mobile application protocol.
Step 302: when the calling that receives the user, according to the group's CAMEL-Subscription-Information that is obtained, the information analysis Service Switching Point is finished the number analysis of described calling, behind the appointment access code before the called number of being called out in the additional synthesis VPN business, called number is sent to the triggering Service Switching Point of the appointment of supporting the synthesis VPN business;
Be specifically as follows: in receiving net during user's calling that the user sends outside netting, according to group's CAMEL-Subscription-Information, the group number analytic unit of information analysis Service Switching Point carries out the called number analysis, prefix analysis in the called big number of being called out is striking out, behind removal of the prefix in the called number and additional first access code, re-send to first of appointment and trigger Service Switching Point;
During calling in receiving net between the user, according to group's CAMEL-Subscription-Information, the group number analytic unit of information analysis Service Switching Point carries out the called number analysis, the called little number analysis of being called out is striking out, before called little number, behind additional second access code, send to second of appointment and trigger Service Switching Point.
Step 303: according to the called number that receives, trigger Service Switching Point and finish the triggering of synthesis VPN business, trigger that Service Switching Point receives that described synthesis VPN business platform issues carry the link information of the called number that is used to continue the time, this link information is forwarded to the information analysis Service Switching Point, to finish continuing of described calling by the information analysis Service Switching Point;
Step 304: the information analysis Service Switching Point receives the link information that described triggering Service Switching Point is transmitted, and finishes continuing of described calling according to the called number in this link information.
Wherein, adopt Signaling System Number 7 to finish information interaction between described information analysis Service Switching Point and the described triggering Service Switching Point.
In the above-mentioned flow process, described information analysis Service Switching Point before set group's CAMEL-Subscription-Information, can also comprise in obtaining Home Location Register:
Step 300: group's CAMEL-Subscription-Information that the integrated virtual private network user is set in Home Location Register.
Wherein, after described information analysis Service Switching Point was obtaining group's CAMEL-Subscription-Information signatory in the Home Location Register, described method also comprised: the database (not shown) that the group's CAMEL-Subscription-Information that is obtained is saved in the information analysis Service Switching Point.
The process of triggering synthesis VPN business was described in detail when the user called out between the user in the outer user of net sends when calling out and nets in net respectively with the method that triggers the synthesis VPN business among the present invention below.
At first, user user outside net sends when calling out in net, and with reference to Fig. 4, the method that triggers the synthesis VPN business among the present invention specifically can realize like this:
Step 401: the information analysis Service Switching Point obtains group's CAMEL-Subscription-Information of synthesis VPN user from HLR, and is saved in local data base;
Step 402: the outer user of customer call net in the net of synthesis VPN;
In this case, caller is user in the net, and called for netting outer user, the called number of calling is called big number;
Step 403: the number of calling enters the group number analytic unit of information analysis Service Switching Point, cluster analysis device in the group number analytic unit is parsed into striking out with the prefix of called big number, and the prefix of called big number is modified as the first access code N1, in the basic number analysis module in the group number analytic unit the first access code N1 is parsed into striking out;
Step 404: the information analysis Service Switching Point is sent to first by Signaling System Number 7 with the called big number of the first access code N1+ and triggers Service Switching Point;
Step 405: first triggers the called number that comprises first access code that Service Switching Point receives, and carry out information interaction by INAP signaling and synthesis VPN business platform according to the first access code N1 wherein, finish the triggering of synthesis VPN business, after receiving the CONNCET information that the synthesis VPN business platform returns, this CONNECT information is forwarded to the information analysis Service Switching Point, carries the called big number that is used to continue in this CONNECT information;
Step 406: the information analysis Service Switching Point receives described CONNECT information, and finishes continuing of calling according to called big number wherein.
Secondly, for the calling between the user in the net, with reference to Fig. 5, the method that the present invention triggers the synthesis VPN business specifically can realize like this:
Step 501: identical with the processing of step 401;
Step 502: user in the customer call net in the net of synthesis VPN;
In this case, caller and called being are netted interior user, and the called number of being called out is called little number;
Step 503: the number in the above-mentioned calling enters the group number analytic unit of information analysis Service Switching Point, cluster analysis device in the group number analytic unit is parsed into striking out with called little number, increases by the second access code N2 in the synthesis VPN business before called little number;
Step 504: the information analysis Service Switching Point is sent to second by Signaling System Number 7 with the called little number of the second access code N2+ and triggers Service Switching Point;
Step 505: second triggers the called number that comprises second access code that Service Switching Point receives, and carry out information interaction by INAP signaling and synthesis VPN business platform according to the second access code N2 wherein, finish the triggering of synthesis VPN business, after receiving the CONNCET information that the synthesis VPN business platform returns, this CONNECT information is sent to the information analysis Service Switching Point, carries the called big number that is used to continue in this CONNECT information;
Step 506: identical with the processing of step 406.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1, a kind of integrated virtual private network system is characterized in that, this system comprises, Home Location Register, information analysis Service Switching Point, triggering Service Switching Point, integrated virtual private network service platform; Wherein,
Described Home Location Register is used to be provided with group's CAMEL-Subscription-Information of integrated virtual private network service;
Described information analysis Service Switching Point is used to obtain described group's CAMEL-Subscription-Information, when receiving calling, according to the group's CAMEL-Subscription-Information that is obtained, finishes the number analysis of described calling; Before the called number of being called out, behind the access code of additional integrated virtual private network service appointment, called number is sent to the triggering Service Switching Point of the appointment of supporting integrated virtual private network service; And after the link information that receives described triggering Service Switching Point forwarding, finish continuing of described calling;
Trigger Service Switching Point, be used for finishing the triggering of integrated virtual private network service according to the called number that receives; Receive that described integrated virtual private network service platform issues carry the link information of the called number that is used to continue the time, this link information is forwarded to the information analysis Service Switching Point;
The integrated virtual private network service platform is used for carrying out information interaction with described triggering Service Switching Point, issues described link information to described triggering Service Switching Point.
According to the described integrated virtual private network system of claim 1, it is characterized in that 2, described information analysis Service Switching Point comprises first receiving element, group number analytic unit, first transmitting element, second receiving element and contiguous unit; Wherein,
First receiving element is used to receive described calling and sends to described group number analytic unit;
The group number analytic unit is used to finish the number analysis of described calling, behind the appointment access code before the called number of being called out in the additional integrated virtual private network service, called number is sent to described first transmitting element;
First transmitting element is used for the triggering Service Switching Point that has the called number of specifying access code to be sent to the appointment of supporting integrated virtual private network service with additional;
Second receiving element is used to receive the link information that described triggering Service Switching Point sends, and sends to described contiguous unit;
Contiguous unit is used for finishing continuing of described calling according to the called number that described link information is carried.
According to claim 1 or 2 described integrated virtual private network systems, it is characterized in that 3, described information analysis Service Switching Point also comprises database, be used to preserve the group's CAMEL-Subscription-Information that is obtained.
According to claim 1 or 2 described integrated virtual private network systems, it is characterized in that 4, described integrated virtual private network platform is the service control point that is used to handle integrated virtual private network service.
According to claim 1 or 2 described integrated virtual private network systems, it is characterized in that 5, described information analysis Service Switching Point is the tandem exchange that is used to realize the function of described information analysis Service Switching Point.
6, a kind of method that triggers integrated virtual private network service is characterized in that, described method comprises:
The information analysis Service Switching Point obtains group's CAMEL-Subscription-Information set in the Home Location Register;
When the calling that receives the user, according to the number analysis of the group's CAMEL-Subscription-Information that is obtained to described calling, before called number, behind the access code of additional integrated virtual private network service appointment, called number is sent to the triggering Service Switching Point of the appointment of supporting integrated virtual private network service;
According to the called number that receives, trigger Service Switching Point and finish the triggering of integrated virtual private network service, receive that described integrated virtual private network service platform issues carry the link information of the called number that is used to continue the time, this link information is forwarded to described information analysis Service Switching Point, finishes continuing of described calling by described information analysis Service Switching Point.
7, the method for triggering integrated virtual private network service according to claim 6, it is characterized in that, before set group's CAMEL-Subscription-Information, this method also comprises described information analysis Service Switching Point in obtaining Home Location Register: group's CAMEL-Subscription-Information that the integrated virtual private network user is set in Home Location Register.
8, the method for triggering integrated virtual private network service according to claim 6, it is characterized in that, describedly finish continuing of described calling by the information analysis Service Switching Point and be specially: the information analysis Service Switching Point receives the link information that described triggering Service Switching Point is transmitted, and finishes continuing of described calling according to the called number that carries in the described link information.
9, the method for triggering integrated virtual private network service according to claim 8, it is characterized in that, behind group's CAMEL-Subscription-Information that described information analysis Service Switching Point is contracted in obtaining Home Location Register, this method also comprises: the database that the group's CAMEL-Subscription-Information that is obtained is saved in the information analysis Service Switching Point.
According to the method for each described triggering integrated virtual private network service of claim 6 to 9, it is characterized in that 10, described information analysis Service Switching Point and described triggering Service Switching Point adopt Signaling System Number 7 to finish information interaction.
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