CN1968427A - Method for operating traditional intelligent network service in soft switching network - Google Patents
Method for operating traditional intelligent network service in soft switching network Download PDFInfo
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- CN1968427A CN1968427A CN 200510101402 CN200510101402A CN1968427A CN 1968427 A CN1968427 A CN 1968427A CN 200510101402 CN200510101402 CN 200510101402 CN 200510101402 A CN200510101402 A CN 200510101402A CN 1968427 A CN1968427 A CN 1968427A
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Abstract
The invention relates to a method for operating traditional intelligent network service in soft exchange network, wherein said method comprises that: soft exchange initializes call, sends call invitation to the service control point; initialize conversation protocol module based on service key setting information, initializes message to the converting module when needs to trigger the fixed intelligent network service; the converting module builds relation with calling section; based on the initialize conversation protocol parameters of initialize message, analyzing, packing into start try method of fixed intelligent network to be sent to state machine service control function calling state mode to be processed; the service control function calling state mode processes the fixed intelligent call, triggers fixed intelligent network service. The invention can improve the support of soft exchange network on traditional intelligent network service.
Description
Technical field
The present invention relates to a kind of method of flexible exchanging network, relate in particular to and a kind of the traditional intelligence network service is operated in method on the flexible exchanging network.
Background technology
It is the intelligent network of carrying that the traditional intelligence net refers to traditional circuit switching, comprises fixed intelligent network, PCS intelligent network, mobile intelligent net and CDMA intelligent network; Soft switch is the core communication network of next generation network.
In traditional circuit-switched network, the appearance of intelligent network has realized calling out connecting with professional provides separating of node, and greatly having improved network provides professional ability, has shortened the cycle that new business provides.But this separation is the first step, along with the variation of carrying, also must separate with carrying calling out control, and this is the thought of next generation network (NGN).
Along with the development such as new generation network such as IP networks of future generation, communication network has become inexorable trend from circuit switching to the development that with the soft switch is the next generation network of core.In the middle of this evolution process, have multiple network and deposit, needing solution can change the separated network of existing a plurality of single business into a more UNE of economical and efficient, and can make full use of the ripe traditional intelligence network service of existing online operation.
Make the user in soft switch territory can enjoy existing traditional intelligence network service, can consider to realize by dual mode.The intelligent network signaling agreement of the support standard of first Softswitch own: INAP, CAMEL and WIN, promptly the function of Softswitch is equivalent to the SSP (Service SwitchPoint, Service Switching Point is hereinafter to be referred as SSP) in the intelligent network.Another kind of mode is the ability that strengthens intelligent equipment SCP (Service Control Point, service control point is hereinafter to be referred as SCP), supports the signaling protocol of soft switch: SIP, MGCP/H.248, support IP to connect to Softswitch.The equipment that first kind of mode needs such as SGW connects IP network and Signaling System Number 7 net, and then a kind of mode only need directly insert IP network to SCP equipment.
But the limitation of prior art is not add under the situation of equipment such as SGW, and SCP can only can't make SCP directly insert IP network for the service of traditional intelligence net, and the IN service of maturation on the existing network is provided for the user in SS territory.
Summary of the invention
The purpose of this invention is to provide and a kind of the traditional intelligence network service is run on the method for flexible exchanging network,, can handle soft switch territory Client-initiated intelligent call in order to strengthen intelligent equipment SCP ability.
Technical scheme of the present invention comprises:
A kind of the traditional intelligence network service is run on the method for flexible exchanging network, it may further comprise the steps:
A, soft switch rises exhales, and initiates invited calls to service control point;
B, initial session protocol module when need trigger the fixed intelligent network business, then initiates to exhale message to mutual modular converter according to the service key configuration information;
C, mutual modular converter foundation is corresponding with the calling section, and resolves according to the initial session protocol parameter in the call message, and the startup call attempt message that is packaged into fixed intelligent network is issued the processing of state machine service control function call state model;
D, the service control function call state model is handled together fixedly intelligent call, triggers the fixed intelligent network business.
Described method, wherein, the processing procedure of described fixed intelligent network business comprises:
A1 after receiving that professional connection is called out, sets up called call leg;
B1, described called call leg continues successfully, after 180 responses, called call leg is made sound to CCF and is answered ring event report message, 200 affirmation response backs are sent out and are replied event report message, the sensible event type of answering of message acceptance of the bid, and CCF reports corresponding monitoring point in view of the above.
Described method, wherein, the processing procedure of described fixed intelligent network business also comprises:
C1, called release then CCF reports BCSM event report, charging report, sends out behind the sending down service call release, and CCF discharges calling section and self.
Described method, wherein, the processing procedure of described fixed intelligent network business also comprises:
C2, caller discharges the release event report then receive the calling section, and CCF reports BCSM event report, charging report, receives to discharge called call leg and self behind the call release.
Described method, wherein, the flow process that the resources-type operational processes that inserts the fixed intelligent network service control point comprises that also signaling cooperates is called out in described soft switch, the steps include:
D1, mutual modular converter set up the resource call leg after receiving professional connection resource or setting up interim the connection, and correspondence is mutual with MGCP, thereby is connected to media server;
D2 is receiving professional broadcast warning tone or playback and collect the digits operation back and MGCP have response, and the signaling message that is converted to the MGCP correspondence is transmitted;
D3, after business was sent and cut off forward connection, modular converter discharged the resource call leg mutually.
Provided by the present inventionly a kind of the traditional intelligence network service is run on the method for flexible exchanging network, it realizes having strengthened the support of flexible exchanging network to the traditional intelligence network service easily
Description of drawings
Fig. 1 is the functional schematic of the SCP in the intelligent equipment of the inventive method;
Fig. 2 is the newly-increased SCP high-level schematic functional block diagram of the inventive method;
Fig. 3 is that the generic operation message flow schematic diagram that continues in inserting is called out in the processing soft switch of the inventive method;
Fig. 4 is that the resources-type operation information schematic flow sheet in inserting is called out in the processing soft switch of the inventive method;
Fig. 5 is the applicating example schematic diagram that the traditional intelligence network service of the inventive method runs on soft switching network system;
Fig. 6 is the signaling process schematic diagram that the traditional intelligence network service of the inventive method runs on soft switching network system.
Embodiment
Below in conjunction with accompanying drawing, will the enforcement of technical scheme in soft switchcall server of this invention be described in further detail:
In the method that the traditional intelligence network service is run on flexible exchanging network of the present invention, residing position and function be as shown in Figure 1 in the traditional intelligence net in its system, main functional modules on the intelligent equipment SCP is SCF (Service Control Function, service control function, hereinafter to be referred as SCF), finish service control function, it comprises SLP (Service Logic Processing, business logic processing, hereinafter to be referred as SLP) and SCSM (Service Control function call State Model, the service control function call state model is hereinafter to be referred as SCSM), its outside is connected with the service switching point.
As shown in Figure 2, the inventive method has increased SIP (Session Initiated Protocol on SCP, initial session protocol, hereinafter to be referred as SIP), MGCP (Media Gateway Control Protocol, MGCP, hereinafter to be referred as MGCP), CCF (Call Control Function, CCF, C F), SRF (Special Resource Function, special resource function, hereinafter to be referred as SRF) functional module, with SCF functional module Coordination Treatment, under the control of intelligent network business, finish flexible exchanging network and call out.
Below call out to insert the fixed intelligent network business with soft switch be example, the function of newly-increased module is described below respectively in the inventive method:
1, SIP module: realize Session Initiation Protocol, finish access and exhalation that flexible exchanging network is called out.
2, the MGCP module: realize the MGCP/H.248 agreement, the resource of finishing the Softswitch media server connects.
3, CCFSRF module: mutual modular converter, be used to finish SIP, MGCP agreement and the fixed intelligent network of flexible exchanging network INAP (Intelligent Network ApplicationProtocol, Intelligent Network Application Protocol is hereinafter to be referred as INAP) the mutual conversion between the agreement; The class that continues is called out with caller Leg (branch, call leg is hereinafter to be referred as Leg) and the called Leg of SIP of SIP mutual, realizes media negotiation between two Leg, and resources-type calling and MGCP are mutual, realizes media negotiation between the Leg of SIP and MGCP; Monitor each call state, the BCSM state transition of realization CS-1, the detection that DP is ordered and triggering, BCSM reporting events; Charge and the monitoring of call information and reporting.Generally speaking, be to finish CCF, SSF and the SRF function that defines in the traditional intelligence net, promptly call out control, operation exchange and special resource controlled function.
The inventive method is described, and that soft switch call out is inserted the generic operation treatment step that continues of fixed intelligent network SCP is as follows, its signaling cooperate and flow process as shown in Figure 3:
The first step, SS (SoftSwitch, soft switch, hereinafter to be referred as SS) rise and exhale, initiate invited calls Invite to SCP, the SIP module is according to configuration informations such as service keys, think that this calls out the fixed intelligent network business that triggers, then initiate to exhale message that CCFSRF foundation is corresponding with caller Leg's to CCFSRF, and resolve according to the SIP parameter in the call message, the IDP message (InitialDP, INAP operation: start call attempt, hereinafter to be referred as IDP) that is packaged into fixed intelligent network is issued state machine SCSM processing, SCSM handles together fixedly intelligent call, triggers the fixed intelligent network business.
Second step, after receiving professional link order Connect (INAP operation: continue), set up called Leg, called Leg continues successfully, and after 180 (SIP instructions) response, called call leg SIP_T can make sound to CCF and answer Alerting (ring) event report message, send out after the response of 200 (SIP instructions) and reply event report message, the sensible event type of answering of message acceptance of the bid, CCF reports corresponding DP (Detect Point, monitoring point) point in view of the above.
The 3rd step, called release then CCF reports ERB (EventReportBCSM, the BCSM event report), ACR (Applycharging Report INAP operation:, INAP operation: charging report), send out (Release Call behind the sending down service RC, INAP operation: call release, hereinafter to be referred as RC), CCF discharges caller Leg and self.Be called release among Fig. 3, to discharge flow process basic identical with caller, and caller discharges the release event report of then receiving calling section SIP_O, and CCF reports ERB, ACR, receives to discharge called Leg and self behind the RC.
It is as follows that described in the inventive method call out to be inserted the resources-type operational processes step of fixed intelligent network SCP to soft switch, signaling cooperate and flow process as shown in Figure 4:
The first step, CCFSRF receives professional CTR (Connect To Resource, connection resource) or ETC (Establish Temporary Connection INAP operation:, INAP operation: set up connection temporarily) after, set up resource Leg, correspondence is mutual with MGCP's, thereby is connected to media server.
In second step, receiving professional PA (Play Announcement, INAP operation: play warning tone) or P﹠amp; C (Prompt And Collection, INAP operation: playback and collect the digits) operation back and MGCP have response, the signaling message that is converted to the MGCP correspondence is transmitted.
In the 3rd step, after business was sent DFC (Disconnect Forward Connection, INAP operation: cut off forward connection) instruction, CCFSRF discharged resource Leg.
The invention described above method step can provide the intelligent network business in the network-wide basis for the user in soft switch territory, realizes the intercommunication of Softswitch and existing or cross-domain SCP.
Be the applicating example of the inventive method as shown in Figure 5, system wherein forms to be had: Softswitch SS switch, soft switch access device IAD (Integrated Access Device, integrated access equipment, hereinafter to be referred as IAD), intelligent equipment SCP, media server, all be connected between them by IP network.SCP has adopted the technical finesse of the inventive method, has loaded intelligent network business on it, with the business of existing online operation without any difference.IAD user rises and exhales fixed intelligent network service access code (is example with the fixed intelligent network business), inserts SCP, finishes intelligent call under the control of the service logic on the SCP.
Be the signaling process schematic diagram that the traditional intelligence network service runs on soft switching network system as shown in Figure 6, it has described between the SS and SCP that can monitor in the whole calling procedure, MS (Media Server, media server, hereinafter to be referred as MS) and SCP between standard SIP, MGCP signaling, be that its calling procedure of example is as follows with the fixed intelligent network business:
During beginning, caller IAD user dials the fixed network access code, and SIP signaling Invite arrives SCP; Trigger the fixedly IN service on the SCP, for example 300 card number service; Described SCP goes up service logic need be put prompt tone and collect the digits, and SCP sends CRCX (Create Connection, MGCP instruction) to MS, sets up being connected between caller and the MS; PA that service logic issues or P﹠amp; C, SCP are converted to RQNT (Request Notify, MGCP instruction) respectively and are handed down to MS; The MS playback collects the digits to finish and returns NTFY (Notify, MGCP instruction) to SCP, and after business obtained the result, the service logic indication discharged resource, and SCP sends out DLCX (Delete Connection, MGCP instruction) and gives MS.Service logic indication afterwards continues, and SCP initiates Invite according to the SS of called number correspondence to SS.IAD user's ring on the SS is sent out 180/183 and is given SCP; User answer is sent out 200 and is given SCP, and SCP returns ACK (SIP signaling).Calling subscriber's on-hook, caller SS sends out BYE (SIP signaling) and gives SCP, service logic indication call release, SCP sends out BYE and gives called SS.End of calling.
Thus, the method for the invention has realized a kind of the traditional intelligence network service being run on the method for flexible exchanging network, and it realizes having strengthened the support of flexible exchanging network to the traditional intelligence network service easily.
Should be understood that above-mentioned description at specific embodiment is comparatively concrete, can not therefore think the restriction to scope of patent protection of the present invention, scope of patent protection of the present invention should be as the criterion with claims.
Claims (5)
1, a kind of the traditional intelligence network service is run on the method for flexible exchanging network, it may further comprise the steps:
A, soft switch rises exhales, and initiates invited calls to service control point;
B, initial session protocol module when need trigger the fixed intelligent network business, then initiates to exhale message to mutual modular converter according to the service key configuration information;
C, mutual modular converter foundation is corresponding with the calling section, and resolves according to the initial session protocol parameter in the call message, and the startup call attempt message that is packaged into fixed intelligent network is issued the processing of state machine service control function call state model;
D, the service control function call state model is handled together fixedly intelligent call, triggers the fixed intelligent network business.
2, method according to claim 1 is characterized in that, the processing procedure of described fixed intelligent network business comprises:
A1 after receiving that professional connection is called out, sets up called call leg;
B1, described called call leg continues successfully, after 180 responses, called call leg is made sound to CCF and is answered ring event report message, 200 affirmation response backs are sent out and are replied event report message, the sensible event type of answering of message acceptance of the bid, and CCF reports corresponding monitoring point in view of the above.
3, method according to claim 2 is characterized in that, the processing procedure of described fixed intelligent network business also comprises:
C1, called release then CCF reports BCSM event report, charging report, sends out behind the sending down service call release, and CCF discharges calling section and self.
4, method according to claim 3 is characterized in that, the processing procedure of described fixed intelligent network business also comprises:
C2, caller discharges the release event report then receive the calling section, and CCF reports BCSM event report, charging report, receives to discharge called call leg and self behind the call release.
5, method according to claim 4 is characterized in that, the flow process that the resources-type operational processes that inserts the fixed intelligent network service control point comprises that also signaling cooperates is called out in described soft switch, the steps include:
D1, mutual modular converter set up the resource call leg after receiving professional connection resource or setting up interim the connection, and correspondence is mutual with MGCP, thereby is connected to media server;
D2 is receiving professional broadcast warning tone or playback and collect the digits operation back and MGCP have response, and the signaling message that is converted to the MGCP correspondence is transmitted;
D3, after business was sent and cut off forward connection, modular converter discharged the resource call leg mutually.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510101402 CN1968427A (en) | 2005-11-18 | 2005-11-18 | Method for operating traditional intelligent network service in soft switching network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200510101402 CN1968427A (en) | 2005-11-18 | 2005-11-18 | Method for operating traditional intelligent network service in soft switching network |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034257A1 (en) * | 2008-09-28 | 2010-04-01 | 华为技术有限公司 | Method for terminal configuration and management and terminal apparatus |
| CN102307270A (en) * | 2011-09-08 | 2012-01-04 | 河北远东哈里斯通信有限公司 | Soft switch service delayed triggering method |
| CN103004230A (en) * | 2010-07-16 | 2013-03-27 | 阿尔卡特朗讯公司 | Control capabilities for information recording sessions |
| CN110932943A (en) * | 2019-12-26 | 2020-03-27 | 上海欣方智能系统有限公司 | Test system supporting WIN, INAP and SIP communication protocols |
-
2005
- 2005-11-18 CN CN 200510101402 patent/CN1968427A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010034257A1 (en) * | 2008-09-28 | 2010-04-01 | 华为技术有限公司 | Method for terminal configuration and management and terminal apparatus |
| US8438616B2 (en) | 2008-09-28 | 2013-05-07 | Huawei Technologies Co., Ltd. | Method for terminal configuration and management and terminal device |
| CN101686458B (en) * | 2008-09-28 | 2013-06-12 | 华为技术有限公司 | Terminal configuration, management method and terminal device |
| CN103004230A (en) * | 2010-07-16 | 2013-03-27 | 阿尔卡特朗讯公司 | Control capabilities for information recording sessions |
| CN102307270A (en) * | 2011-09-08 | 2012-01-04 | 河北远东哈里斯通信有限公司 | Soft switch service delayed triggering method |
| CN102307270B (en) * | 2011-09-08 | 2013-06-12 | 河北远东哈里斯通信有限公司 | Soft switch service delayed triggering method |
| CN110932943A (en) * | 2019-12-26 | 2020-03-27 | 上海欣方智能系统有限公司 | Test system supporting WIN, INAP and SIP communication protocols |
| CN110932943B (en) * | 2019-12-26 | 2022-09-23 | 上海欣方智能系统有限公司 | Test system supporting WIN, INAP and SIP communication protocols |
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Open date: 20070523 |