CN102572742B - Call processing method, system and intelligent network platform - Google Patents
Call processing method, system and intelligent network platform Download PDFInfo
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Abstract
The invention provides a kind of call processing method, system and intelligent network platform, wherein, the method comprises: call set up by the first travelling carriage and the second travelling carriage; Second travelling carriage sends unstructured supplementary data traffic (USSD) solicited message to intelligent network platform; And described intelligent network platform is resolved the described USSD solicited message received, and obtains type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carries out Call-Control1.Above-mentioned call processing method, system and intelligent network platform, adopt the mode that this GSM mobile handset of USSD word string is generally supported, controlled according to the calling of the solicited message of USSD word string to user by intelligent network platform, make user can use the Call Forwarding class business of GSM network, called out class business and the supplementary service of MPTY three class.
Description
Technical field
The present invention relates to the communication technology, particularly relate to a kind of call processing method, system and intelligent network platform.
Background technology
Along with the fast development of the communication technology, global system for mobile communications (GSM) network is that user provides abundant supplementary service, these supplementary services enhance the CCF of GSM network, and the CCF of GSM network comprises Call Forwarding class business, called out the business such as class business and MPTY.
Wherein, Call Forwarding class business comprises Call Forwarding Unconditional, divert when busy, Call Forwarding No Reply, Call Forwarding on mobile subscriber Not Reachable etc.Called out class business to comprise: 1) call waiting, call waiting refers to when entering calling and can not get channel, and notice called subscriber is also waited for, called subscriber can accept, refuses or ignore this and enter calling; Per call can only accept at most a Waiting for Call; 2) call hold service, call hold service allows the calling of user's brief interruption, and if necessary, can set up a connection in addition, after this calling is interrupted, its transmission channel is still retained; Network can only retain a transmission channel for each mobile subscriber; 3) call transfer service, call transfer service can make client will set up the call forwarding of (namely entering talking state) to third party; Wherein, Call Waiting and call hold service often combine use, are referred to as calling and complete class business.MultiParty Service make user can with in many ways set up calling simultaneously, GSM network realize MPTY in, external call number can not more than 5.
The supplementary service ability that above three class business can be passed through mobile switching centre (MSC) and provide realizes.But in the use procedure of reality, a lot of mobile phone and carrier network do not support above-mentioned business, such as, a large amount of mobile phone not support call forwarding operation; In the operator network, if user data acquiescence closes call display transfer (explicit call transfer, ECT) and MPTY (multiparty call) business, then user cannot use Call Forwarding class business and MultiParty Service.
In sum, although GMS network is user provide abundant supplementary service, due to the restriction of carrier network or cell phone apparatus, user can not use most of supplementary service.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of call processing method, system and intelligent network platform, can supplementary service be used to make user.
The invention provides a kind of call processing method, the method comprises:
Call set up by first travelling carriage and the second travelling carriage;
Second travelling carriage sends unstructured supplementary data traffic (Unstructured SupplementaryService Data, USSD) solicited message to intelligent network platform; And
Described intelligent network platform is resolved the described USSD solicited message received, and obtains type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carries out Call-Control1.
Preferably, described call processing method can have following features:
Described intelligent network platform is resolved the described USSD solicited message received, and obtains type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carries out call control packet and draw together:
If the type of service got is the blind transfer business in call transfer service, then described intelligent network platform inquire described second travelling carriage be in call time, cut off the call between the first travelling carriage and the second travelling carriage, the speech channel link of the first travelling carriage and the 3rd travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up.
Preferably, described call processing method also can have following features:
Described intelligent network platform is resolved the described USSD solicited message received, and obtains type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carries out call control packet and draw together:
If the type of service got is the consultation transfer business in call transfer service, then after described intelligent network platform inquires the first travelling carriage and the second travelling carriage is in call, carry out calling to the first travelling carriage to keep, and the speech channel link of the second travelling carriage and the 3rd travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up; And after the 3rd travelling carriage is answered, the speech channel link of the first travelling carriage and the 3rd travelling carriage is got up.
Preferably, described call processing method also can have following features:
Described intelligent network platform cuts off the call between the first travelling carriage and the second travelling carriage, gets up to comprise by the speech channel link of the first travelling carriage and the 3rd travelling carriage:
Described intelligent network platform obtains the media information of the 3rd travelling carriage by MGCF entity (MGCF); Instruction MGCF discharges the speech channel of the second travelling carriage, and the speech channel link of the first travelling carriage and the 3rd travelling carriage is got up.
Preferably, described call processing method also can have following features:
Described second travelling carriage sends USSD solicited message and comprises to intelligent network platform:
Described USSD solicited message is sent to described intelligent network platform by HLR by the second travelling carriage; Or
Second travelling carriage sends described USSD solicited message to USSD center, and described USSD center is analyzed the service code in described USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform.
Present invention also offers a kind of intelligent network platform, described intelligent network platform comprises:
Receiver module, for unstructured supplementary data traffic (UnstructuredSupplementary Service Data, the USSD) solicited message that receiving mobile sends;
Resolve control module, for resolving described USSD solicited message, obtaining type of service and the destination Mobile Station International ISDN Number of described travelling carriage application, and carrying out Call-Control1.
Preferably, above-mentioned intelligent network platform can have following features:
Described parsing control module, the type of service got if be further used for is the blind transfer business in call transfer service, then when inquiring described travelling carriage and being in call, cut off the call of described travelling carriage, and the speech channel of the travelling carriage corresponding with the travelling carriage that described travelling carriage is conversed and described destination Mobile Station International ISDN Number is linked.
Preferably, above-mentioned intelligent network platform can have following features:
Described parsing control module, the type of service got if be further used for is the consultation transfer business in call transfer service, then after inquiring described travelling carriage and being in call, carry out calling to the travelling carriage conversed with described travelling carriage to keep, and the speech channel link of described travelling carriage and travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up; And after the travelling carriage that described destination Mobile Station International ISDN Number is corresponding is answered, the speech channel of the travelling carriage corresponding with the travelling carriage that described travelling carriage is conversed and described destination Mobile Station International ISDN Number is linked.
Preferably, above-mentioned intelligent network platform can have following features:
The USSD solicited message that described receiver module receives is the USSD solicited message that described travelling carriage is forwarded by HLR; Or, for the service code in the described USSD solicited message that USSD center sends travelling carriage is analyzed, and according to the USSD solicited message that analysis result forwards.
Present invention also offers a kind of call processing system comprising above-mentioned intelligent network platform, described system also comprises travelling carriage, wherein:
Described travelling carriage, for sending unstructured supplementary data traffic (Unstructured Supplementary Service Data, USSD) solicited message to described intelligent network platform.
Preferably, above-mentioned call processing system can have following features:
Described travelling carriage, is further used for, by HLR, described USSD solicited message is sent to described intelligent network platform; Or sending described USSD solicited message to USSD center, described USSD center is analyzed the service code in described USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform.
Above-mentioned call processing method, system and intelligent network platform, adopt the mode that this GSM mobile handset of USSD word string is generally supported, controlled according to the calling of the solicited message of USSD word string to user by intelligent network platform, make user can use the Call Forwarding class business of GSM network, called out class business and the supplementary service of MPTY three class.
Accompanying drawing explanation
Fig. 1 is the networking structure schematic diagram of GSM intelligent network of the present invention;
Fig. 2 is the flow chart of call processing method of the present invention;
Fig. 3 is the schematic flow sheet of the blind transfer business realized in call transfer service of the present invention;
Fig. 4 is the schematic flow sheet of the consultation transfer business realized in call transfer service of the present invention;
Fig. 5 is the signaling process figure realizing blind transfer service implementation example of the present invention;
Fig. 6 is the structural representation of intelligent network platform of the present invention;
Fig. 7 is the structural representation of call processing system of the present invention.
Embodiment
The present invention adopts unstructured supplementary data traffic (Unstructured Supplementary ServiceData, USSD) mode generally supported of this GSM mobile handset of word string, controlled according to the calling of the solicited message of USSD word string to user by intelligent network platform, make user can use the Call Forwarding class business of GSM network, called out class business and the supplementary service of MPTY three class.
Along with the introducing of GSM intelligent network technology, GSM network provides the ability of value-added service to obtain enhancing, the networking structure of GSM intelligent network as shown in Figure 1, GSM intelligent network (GSM intelligent network platform) comprises business control function body (gsmSCF) 11 and special resource function entity (gsmSRF) 12, and gsmSCF also can referred to as SCF in the present invention.
GSM intelligent network is divided into multiple stage, logical server (Customized Applications for Mobile network Enhanced Logic is strengthened in mobile network's customized application, CAMEL) 2 stages introduced unstructured supplementary data traffic (Unstructured Supplementary Service Data, USSD) CAMEL-Subscription-Information (U-CSI), achieve the USSD interactive controlling of gsmSCF and GSM core net, GSM user can trigger a GSM intelligent network business by sending USSD word string, obtains the additional function that this business provides.
Under GSM user's communication state, USSD uses Fast Associated Control Channel (Fast AssociatedControl Channel, FACCH) to send, and the transmitting-receiving of USSD word string can be carried out at call office.Like this, make to adopt USSD word string realize calling and complete class and Multi Party Service becomes possibility.
The USSD IN service function that the present invention provides by using intelligent network platform, by this data can carrying out receiving and dispatching in a call of USSD, realizes the control of user to calling.This mode can realize the supplementary service of forward class, call out class supplementary service and Multi Party Service.From to realize supplementary service by GSM network different, the mode of USSD intelligent network business is adopted to realize, user does not need before use of the service to GSM network registration and activation, only need in calling procedure, according to actual conditions, immediately ask corresponding business function by the USSD word string sending a format.
As shown in Figure 2, be the flow chart of call processing method of the present invention, the method comprises:
Call set up by step 201, the first travelling carriage and the second travelling carriage;
Above-mentioned travelling carriage can be mobile terminal; Above-mentioned first travelling carriage and the second travelling carriage can set up call by intelligent network platform;
Step 202, the second travelling carriage send USSD solicited message to intelligent network platform;
This step can comprise: above-mentioned USSD solicited message is sent to above-mentioned intelligent network platform by HLR by the second travelling carriage; Or second travelling carriage send above-mentioned USSD solicited message to USSD center, above-mentioned USSD center is analyzed the service code in above-mentioned USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform;
Particularly, above-mentioned USSD solicited message is sent to above-mentioned intelligent network platform by HLR by the second travelling carriage: the second travelling carriage sends the U-CSI CAMEL-Subscription-Information that above-mentioned USSD word string solicited message registered by user to HLR, HLR and is sent on the SCF in said GSM intelligent network platform by above-mentioned USSD word string solicited message; Second travelling carriage sends above-mentioned USSD solicited message to USSD center, above-mentioned USSD center is analyzed the service code in above-mentioned USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform and can is: the second travelling carriage sends above-mentioned USSD word string solicited message to USSD center, the front three of above-mentioned USSD word string solicited message is service code, above-mentioned USSD center is analyzed above-mentioned service code, and is sent on the SCF in GSM intelligent network platform by USSD word string solicited message;
Step 203, intelligent network platform are resolved the above-mentioned USSD solicited message received, and obtain type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carry out Call-Control1.
According to GSM intelligent network platform technology, by providing gsmSCF to process the USSD word string solicited message coming from gsmSCF intelligent network user terminal, and resolve USSD word string solicited message, speech path control is carried out by CAMEL Application Part (CAP) signaling control MSC, achieve the function being controlled speech channel by USSD word string in a call, call treatment mode as shown in Figure 3, this embodiment is described for the blind transfer business in call transfer service, travelling carriage A calls out travelling carriage B, after call, calling is forwarded to travelling carriage C and terminates the calling with A by travelling carriage B, after this, A continues and C call.Operation flow is described as follows:
Step 301, travelling carriage A to make a call the request of setting up to the server MSC of B;
Step 302, MSC are by the user B CAMEL-Subscription-Information on inquiry HLR, and find that user B is the contracted user of gsmSCF, will trigger an intelligent network business on gsmSCF, notice gsmSCF has one to the call request of B;
After step 303, gsmSCF receive this request, to be continued travelling carriage B by CAP signaling control MSC; After B answers, A and B sets up call; GsmSCF records the call information of travelling carriage B;
Step 304, user B need calling to transfer to user C, and user B inputs a USSD word string on mobile phone, and this word string comprises the Mobile Subscriber International ISDN Number of travelling carriage C;
Step 305, user B press send key, and this word string is sent on HLR by MSC by travelling carriage B;
Step 306, HLR are by user B CAMEL-Subscription-Information U-CSI, this USSD information is sent to the gsmSCF belonging to user B, gsmSCF resolves this USSD word string, the information of acquisition user B, the type of service of B application and destination Mobile Station International ISDN Number (i.e. the Mobile Subscriber International ISDN Number of travelling carriage C);
Step 307, gsmSCF inquire travelling carriage B and are in call, then cut off the calling of A and B, initiate the calling to C by CAP signaling instruct MS C, and after C off-hook is answered, A and C proceeds call.
GsmSCF inquires about the call information of travelling carriage B, and the forward-shifting service that user B applies for can only be used for B and use in call, otherwise gsmSCF will initiate USSD notice (Notiify) to travelling carriage B and point out user B to apply for call transfer service failure.
In the above-described embodiments, after user B sends a USSD word string in a call, calling is just released by gsmSCF, if now user C is in busy or off-mode, gsmSCF will discharge A after calling C failure, this " blindly switching " is bad to the experience of user A, the GSM intelligent network business utilizing the present invention to mention, can also realize " consultation transfer ", namely user B initiates " consultation transfer " operation and first maintains A, and call out C, when B and C call confirms that C can answer the calling of A, user B on-hook realizes A and C call, user C on-hook, then A and B continues call, specific implementation process as shown in Figure 4, this process comprises:
Step 401-403 is identical with step 301-303, is not repeated herein;
Step 404, user B need calling to transfer to user C, and user B inputs a USSD word string on mobile phone, and this word string comprises the Mobile Subscriber International ISDN Number of travelling carriage C, and show that user B needs to carry out consultation transfer;
Step 405, user B press send key, and this word string is sent on HLR by MSC by travelling carriage B;
This USSD information is sent to the gsmSCF belonging to user B by step 406, HLR, and gsmSCF resolves this USSD word string, obtains the information of user B, application type of service and destination Mobile Station International ISDN Number (i.e. the MSISDN of travelling carriage C);
Step 407, gsmSCF inquire A and B and are in call, first by the conferencing resource on CAP signaling application MSC, the speech channel of A and B is linked in conferencing resource, pass through conferencing resource, the speech channel of A is switched on the voice resource of this MSC by MSC, gsmSCF controls this voice resource and carries out calling maintenance to A, such as, can play holding tone to A;
Step 408, gsmSCF send calling by conferencing resource to C, and after C off-hook, gsmSCF controls conferencing resource and the speech channel of B and C link got up, and now B and C can converse;
Step 409, after C confirms to answer, the direct on-hook of B, gsmSCF discharges the speech channel of B, and got up by the link of conferencing resource by A and C, now A converses from listening holding tone to change into C.
If C does not answer, the direct on-hook of C, now gsmSCF discharges the speech channel of C, and got up by the link of conferencing resource by A and B, now A converses from listening holding tone to change into B.
Above-mentioned call processing method, utilizes USSD technology, adopts GSM intelligent network platform to achieve GSM network supplementary service, and compared with the technology of traditional supplementary service supported by GSM core net, can break away from the restriction of terminal and network capabilities; Meanwhile, user's applicant just, does not need application in carrier network to activate supplementary service; In addition, GSM intelligent network provides open service creation environment, can the professional ability of extension standards GSM supplementary service, thus can customize further and improve Consumer's Experience.
In actual use, USSD word string can be sent to GSM intelligent network platform by two kinds of modes:
The first, the U-CSI CAMEL-Subscription-Information registered by user of HLR, namely by " Unstructured SSRequest ack " signaling (defining in GSM 03.78), the USSD word string coming from user's travelling carriage is sent on gsmSCF;
The second, to be received by USSD center (USSDC) and come from the USSD word string of user's travelling carriage, by USSDC, service code is analyzed, USSD word string be sent on GSM intelligent network platform, the agreement of employing can be, but not limited to point-to-point short message and sends agreement (SMPP) V3.4.
In addition, after gsmSCF receives the request of USSD word string, Call-Control1 can be realized by various ways such as initial session protocol (SIP)/H323/CAMEL.
As shown in Figure 5, for realizing the signaling process figure of blind transfer service implementation example of the present invention, this example adopts HLR that USSD is delivered to GSM SCF, and realize Call-Control1 to realize call transfer service with SCF by SIP signaling by the equipment MGCF entity (MGCF) of GSM version (Release) 5 specification and media gateway (MGW), in this embodiment, travelling carriage A is the first travelling carriage, is called for short A; Travelling carriage B is the second travelling carriage, is called for short B; Travelling carriage C is the 3rd travelling carriage, is called for short C; This process comprises:
Step 501, travelling carriage A initiate a GSM and call out on the service MSC of A;
The service GSM of step 502, A is analyzed by called number, routes the call on the MGCF of the GSM R5 network residing for travelling carriage B;
Step 503, MGCF reply ACM to the service MSC of A;
The SDP information of A, called number information are sent by request (INVITE) message and are given on the service SCF of B by step 504, MGCF, and request SCF carries out authentication to this calling;
After step 505, SCF pass through B authentication, send INVITE to MGCF, instruction MGCF continues console B;
Step 506, MGCF, according to the instruction of SCF, are established to the speech channel of B;
After step 507, MGCF set up speech channel, the media resource information of B is informed to SCF by 200OK;
Step 508, SCF reply this 200OK message by ACK;
Step 509, MGCF send charging response ANM to the MSC of caller A, and now MSC starts A charging;
Step 510, A and B start call;
Step 511, travelling carriage B input USSD service request word string, form as: * 511*13xxxxxxxxx, is sent on HLR by USSD word string;
Step 512, HLR forward this USSD word string on SCF;
Step 513, SCF obtain switching number C by USSD word string, initiate the INVITE that is not carried SDP, and instruction MGCF carries out call attempt to travelling carriage C;
Step 514, MGCF and travelling carriage C carry out call setup, obtain the media information of C;
The media information of C is informed to SCF by 180Ring by step 515, MGCF;
Step 516, SCF send asks (REINVITE) signaling again, and instruction MGCF discharges the speech channel of travelling carriage B, and the speech channel link of the speech channel of A and C is got up;
Step 517, complete after, MGCF replies to SCF by the 200OK of REINVITE;
Step 518, SCF reply the ACK of this 200OK;
Step 519, C ring off-hook, MGCF replys 200OK to SCF;
Step 520, SCF reply the ACK of this 200OK;
Step 521, A and C start call.
By above-mentioned steps 501-521, travelling carriage B can successfully by the call diversion of A on C.
As shown in Figure 6, be the structural representation of intelligent network platform of the present invention, this intelligent network platform comprises: receiver module 61 and parsing control module 62; Wherein, receiver module is used for unstructured supplementary data traffic (Unstructured Supplementary Service Data, the USSD) solicited message that receiving mobile sends; Resolve control module to be used for resolving above-mentioned USSD solicited message, obtain type of service and the destination Mobile Station International ISDN Number of above-mentioned travelling carriage application, and carry out Call-Control1.
Preferably, if the type of service that above-mentioned parsing control module can be further used for getting is the blind transfer business in call transfer service, then when inquiring above-mentioned travelling carriage and being in call, cut off the call of above-mentioned travelling carriage, and the speech channel of the travelling carriage corresponding with the travelling carriage that above-mentioned travelling carriage is conversed and above-mentioned purpose number is linked.If the type of service that above-mentioned parsing control module can also be further used for getting is the consultation transfer business in call transfer service, then after inquiring above-mentioned travelling carriage and being in call, carry out calling to the travelling carriage conversed with above-mentioned travelling carriage to keep, and the speech channel link of above-mentioned travelling carriage and travelling carriage corresponding to above-mentioned purpose number is got up; And after the travelling carriage that above-mentioned purpose number is corresponding is answered, the speech channel of the travelling carriage corresponding with the travelling carriage that above-mentioned travelling carriage is conversed and above-mentioned purpose number is linked.
Wherein, the USSD solicited message that above-mentioned receiver module receives is the USSD solicited message that above-mentioned travelling carriage is forwarded by HLR; Or, for the service code in the above-mentioned USSD solicited message that USSD center sends travelling carriage is analyzed, and according to the USSD solicited message that analysis result forwards.
Above-mentioned intelligent network platform can complete Call Forwarding class business, call out class business and MultiParty Service, and its implementation procedure is identical with call processing method embodiment, is not repeated herein.
As shown in Figure 7, for the structural representation of call processing system of the present invention, this system comprises intelligent network platform 71 and travelling carriage 72, above-mentioned travelling carriage is used for sending unstructured supplementary data traffic (Unstructured Supplementary Service Data, USSD) solicited message to above-mentioned intelligent network platform; The structure of above-mentioned intelligent network platform and identical shown in intelligent network platform embodiment, specifically see Fig. 6, can repeat no more herein.
Preferably, above-mentioned travelling carriage can be further used for, by HLR, above-mentioned USSD solicited message is sent to above-mentioned intelligent network platform; Or sending above-mentioned USSD solicited message to USSD center, above-mentioned USSD center is analyzed the service code in above-mentioned USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform.
Above-mentioned call processing system, utilizes USSD technology, adopts GSM intelligent network platform to achieve GSM network supplementary service, and compared with the technology of traditional supplementary service supported by GSM core net, can break away from the restriction of terminal and network capabilities; Meanwhile, user's applicant just, does not need application in carrier network to activate supplementary service; In addition, GSM intelligent network provides open service creation environment, can the professional ability of extension standards GSM supplementary service, thus can customize further and improve Consumer's Experience.
Above embodiment only in order to technical scheme of the present invention and unrestricted to be described, only with reference to preferred embodiment to invention has been detailed description.Those of ordinary skill in the art should be appreciated that and can modify to technical scheme of the present invention or equivalent replacement, and does not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (7)
1. a call processing method, is characterized in that, described method comprises:
Call set up by first travelling carriage and the second travelling carriage;
Second travelling carriage sends unstructured supplementary data traffic USSD solicited message to intelligent network platform; And
Described intelligent network platform is resolved the described USSD solicited message received, obtain type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carry out Call-Control1, make user use Call Forwarding class business, call out class business or the supplementary service of MPTY three class;
Wherein, described intelligent network platform is resolved the described USSD solicited message received, and obtains type of service and the destination Mobile Station International ISDN Number of the second travelling carriage application, and carries out call control packet and draw together:
If the type of service got is the blind transfer business in call transfer service, then described intelligent network platform inquire described second travelling carriage be in call time, cut off the call between the first travelling carriage and the second travelling carriage, the speech channel link of the first travelling carriage and the 3rd travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up; Or
If the type of service got is the consultation transfer business in call transfer service, then after described intelligent network platform inquires the first travelling carriage and the second travelling carriage is in call, carry out calling to the first travelling carriage to keep, and the speech channel link of the second travelling carriage and the 3rd travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up; And after the 3rd travelling carriage is answered, the speech channel link of the first travelling carriage and the 3rd travelling carriage is got up.
2. call processing method according to claim 1, is characterized in that, described intelligent network platform cuts off the call between the first travelling carriage and the second travelling carriage, gets up to comprise by the speech channel link of the first travelling carriage and the 3rd travelling carriage:
Described intelligent network platform obtains the media information of the 3rd travelling carriage by MGCF entity MGCF; Instruction MGCF discharges the speech channel of the second travelling carriage, and the speech channel link of the first travelling carriage and the 3rd travelling carriage is got up.
3. call processing method according to claim 1 and 2, is characterized in that, described second travelling carriage sends USSD solicited message and comprises to intelligent network platform:
Described USSD solicited message is sent to described intelligent network platform by HLR by the second travelling carriage; Or
Second travelling carriage sends described USSD solicited message to USSD center, and described USSD center is analyzed the service code in described USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform.
4. an intelligent network platform, is characterized in that, described intelligent network platform comprises:
Receiver module, for the unstructured supplementary data traffic USSD solicited message that receiving mobile sends;
Resolve control module, for resolving described USSD solicited message, obtain type of service and the destination Mobile Station International ISDN Number of described travelling carriage application, and carry out Call-Control1, make user use Call Forwarding class business, call out class business or the supplementary service of MPTY three class;
Described parsing control module, the type of service got if be further used for is the blind transfer business in call transfer service, then when inquiring described travelling carriage and being in call, cut off the call of described travelling carriage, and the speech channel of the travelling carriage corresponding with the travelling carriage that described travelling carriage is conversed and described destination Mobile Station International ISDN Number is linked; Or
Described parsing control module, the type of service got if be further used for is the consultation transfer business in call transfer service, then after inquiring described travelling carriage and being in call, carry out calling to the travelling carriage conversed with described travelling carriage to keep, and the speech channel link of described travelling carriage and travelling carriage corresponding to described destination Mobile Station International ISDN Number is got up; And after the travelling carriage that described destination Mobile Station International ISDN Number is corresponding is answered, the speech channel of the travelling carriage corresponding with the travelling carriage that described travelling carriage is conversed and described destination Mobile Station International ISDN Number is linked.
5. intelligent network platform according to claim 4, is characterized in that, the USSD solicited message that described receiver module receives is the USSD solicited message that described travelling carriage is forwarded by HLR; Or, for the service code in the described USSD solicited message that USSD center sends travelling carriage is analyzed, and according to the USSD solicited message that analysis result forwards.
6. comprise a call processing system for the intelligent network platform described in claim 4 or 5, it is characterized in that, described system also comprises travelling carriage, wherein:
Described travelling carriage, for sending unstructured supplementary data traffic USSD solicited message to described intelligent network platform.
7. call processing system according to claim 6, is characterized in that:
Described travelling carriage, is further used for, by HLR, described USSD solicited message is sent to described intelligent network platform; Or sending described USSD solicited message to USSD center, described USSD center is analyzed the service code in described USSD solicited message, and according to analysis result, USSD solicited message is sent to intelligent network platform.
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| CN103857032B (en) * | 2014-01-20 | 2017-04-12 | 深圳市桑达无线通讯技术有限公司 | Method for registering or querying or canceling a plurality of function numbers at GSM-R network node |
| CN104270827B (en) * | 2014-10-29 | 2018-05-11 | 广州三星通信技术研究有限公司 | A kind of method and device for shifting call |
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| CN101521866A (en) * | 2009-03-26 | 2009-09-02 | 深圳华为通信技术有限公司 | Method and device for forwarding call |
| EP2202995A1 (en) * | 2008-12-23 | 2010-06-30 | Telefonaktiebolaget LM Ericsson (publ) | Controlling a call in a telecommunications network |
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| CN101483851B (en) * | 2009-02-06 | 2012-07-04 | 中兴通讯股份有限公司 | Call back implementing method and system |
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| CN101384004A (en) * | 2008-10-20 | 2009-03-11 | 中兴通讯股份有限公司 | Non-structured supplement data service implementing method |
| EP2202995A1 (en) * | 2008-12-23 | 2010-06-30 | Telefonaktiebolaget LM Ericsson (publ) | Controlling a call in a telecommunications network |
| CN101521866A (en) * | 2009-03-26 | 2009-09-02 | 深圳华为通信技术有限公司 | Method and device for forwarding call |
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