CN101325762B - Method for establishing supplementary service when double-mode terminal being on double standby state - Google Patents
Method for establishing supplementary service when double-mode terminal being on double standby state Download PDFInfo
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Abstract
The invention discloses an implement method of establishing supplementary service under dual standby state for a dual mode terminal, comprising the following steps of: (a) a dual mode terminal establishes call in a network in two modes supported by itself respectively; wherein, MSC of a network sends an ID message to the dual mode terminal during call establishment, which is called a first network, and the MSC is called MSC1; another network is called a second network for short, and MSC thereof is called MSC2; the ID message is applied to identifying a call C1 under the first network and the MSC1 serving the call; (b) when receiving a supplementary service instruction sent by a user, the dual mode terminal initiates a new call in the second network with the ID message as a called number; MSC2 associates the new call with the call C1 in the first network according to the ID message, and MSC1 is a transit exchange; (c) the dual mode terminal establishes the supplementary service under control of MSC2.
Description
Technical field
The present invention relates to the communications field, between two network formats are called out, set up the implementation method of supplementary service when relating in particular to a kind of dual-mode terminal double standby state.
Background technology
Dual-mode terminal is meant simultaneously on the mobile communications network attached to two kinds of patterns, and uses the terminal equipment of the miscellaneous service that these two kinds of networks provide.
Dual-mode terminal has the following advantages:
(1) the abundant business of using this network to provide can be provided attached on one of them network;
(2) attached on two networks, can select the business of using certain wherein specific network to provide;
(3) attached on two networks, the abundant business of using two networks to provide simultaneously.
But when practical application following scene can take place:
Dual-mode terminal respectively has a calling at two networks, at this moment the user wants to set up conference telephone in these two callings, because these two callings are respectively to be controlled by the mobile switching center of two networks, existing technology can't realize the foundation of conference telephone.
In order to help to understand better the present invention, below with simultaneously attached to GSM (Global System forMobile communications, global system for mobile communications), the TD-SCDMA/GSM dual-mode terminal of TD-SCDMA (TimeDivision-Synchronous Code Division Multiple Access, the CDMA (Code Division Multiple Access) communication system that the time-division is synchronous) network is that example illustrates.In actual use, also can be other dual-mode terminal and two corresponding mobile communications networks thereof.
Fig. 1 is the framework schematic diagram that the TD-SCDMA/GSM dual-mode terminal adheres to GSM network and TD-SCDMA network, comprising following functional entity:
Subscriber equipment (User Equipment is called for short UE) 101, i.e. TD-SCDMA/GSM dual-mode terminal;
TD-SCDMA mobile switching centre (Mobile Switching Center is called for short MSC)/VLR Visitor Location Register (Visitor Location Register is called for short VLR) 102;
TD-SCDMA attaching position register (Home Location Register, be called for short HLR) 103 is preserved user's master data and business datum;
GSM mobile switching centre (Mobile Switching Center is called for short MSC)/VLR Visitor Location Register (Visitor Location Register is called for short VLR) 104;
GSM attaching position register (Home Location Register, be called for short HLR) 105 is preserved user's master data and business datum.
UE can insert GSM MSC/VLR and call out or incoming call answering, also can insert TD-SCDMA MSC/VLR and call out or incoming call answering.
In this example, corresponding application-specific scene described above, that is: UE has a TD-SCDMA to call out, there is a GSM to call out simultaneously, at this moment the user wants to set up conference telephone in these two callings, on TD-SCDMA MSC/VLR and GSM MSC/VLR, control respectively owing to call out, so prior art can't realize the foundation of conference telephone.Therefore, between calling out, set up two network formats implementation method in the time of need providing a kind of dual-mode terminal double standby state as supplementary services such as conference telephones.
Summary of the invention
When providing a kind of dual-mode terminal double standby state, technical problem to be solved by this invention between two network formats are called out, sets up the implementation method of supplementary service.
In order to solve the problems of the technologies described above, the invention provides a kind of dual-mode terminal is set up supplementary service when double standby state implementation method, may further comprise the steps:
(a) dual-mode terminal has been set up calling respectively in the network of two patterns of its support, wherein, a kind of mobile switching centre of network sends to described dual-mode terminal with an identification information when call setup, this network is hereinafter referred to as first network, this mobile switching centre is hereinafter to be referred as MSC1, another network is hereinafter to be referred as second network, and its mobile switching centre is hereinafter to be referred as MSC2, and described identification information is used to be identified at this calling C1 under this first network and is the MSC1 of this call service;
(b) after described dual-mode terminal is received the supplementary service order that the user sends, with described identification information is that called number is initiated new the calling in second network, MSC2 associates the calling C1 in this new calling and first network according to described identification information, and MSC1 is as transit exchange;
(c) described dual-mode terminal is set up supplementary service under the control of MSC2.
Further, said method comprises following characteristics, and described identification information is the call identification that MSC1 address and described MSC1 distribute for calling C1.
Further, said method comprises following characteristics, and in described step (a), described MSC1 sends to described dual-mode terminal by call control signalling message with described identification information.
Further, said method comprises following characteristics, and in described step (a), in the calling C1 of described first network, if described dual-mode terminal is the calling party, then described call control signalling message is meant ALERTING message and/or response message; If described dual-mode terminal is the callee, then described call control signalling message is meant call setup message.
Further, said method comprises following characteristics, after described step (b), also comprises step (b '), disconnects being connected of described dual-mode terminal and MSC1.
Further, said method comprises following characteristics, described step (b ') further comprise: after described MSC1 will newly call out and call out the C1 connection, MSC1 in this calling network C1 is discharged call control channel and language passage between itself and the MSC1 by described dual-mode terminal to caller section and the MSC1 association to called section again by described MSC1 blocking-up.
Further, said method comprises following characteristics, described step (b) further comprises: after (b1) described dual-mode terminal is received the supplementary service order that the user sends, if two callings of judgement user in the network of two different modes, are that called number is initiated new the calling in second network with described identification information then respectively; (b2) MSC2 arrives MSC1 according to the MSC1 address in the described identification information with this new call proceeding; (b3) described MSC1 connects the calling C1 in this new calling and first network according to the call identification in the described identification information;
Further, said method comprises following characteristics, described step (b2) further comprises: described MSC2 receives setup requests, finish out exhale processing after, send calling to described dual-mode terminal and carry out message, after described MSC2 finishes assignment process, send initial address message to MSC1, finish continuing of the new MSC1 of calling, carry call identification in the described initial address message.
Further, said method comprises following characteristics, and described supplementary service is conference telephone service or explicit call transfer business.
Further, said method comprises following characteristics, in described step (a), the calling that described dual-mode terminal is set up in one of them network of its support is conference telephone, the other-end in the described conference telephone be and dual-mode terminal based on the terminal under terminal under the identical network pattern or the heterogeneous networks pattern.
Further, said method comprises following characteristics, and described dual-mode terminal is the TD-SCDMA/GSM dual-mode terminal.
Because the control that the present invention calls out two different network systems has forwarded on the network system, therefore reached the purpose of between the calling of two networks, carrying out supplementary service, satisfied the demand of initiating conference telephone, improved the availability of supplementary service.In the practical application, except conference telephone, adopt the inventive method also can carry out other supplementary service, as: explicit call transfer (Explicit Call Transfer is called for short ECT) etc.
Description of drawings
Fig. 1 adheres to the framework schematic diagram of TD-SCDMA and two networks of GSM for TD-SCDMA/GSM dual-mode terminal in the prior art;
Fig. 2 sets up the flow chart of conference telephone when double standby state for the embodiment dual-mode terminal;
Fig. 3 a-3c is that the TD-SCDMA/GSM dual-mode terminal of present embodiment is called out GSM and the TD-SCDMA calling adds as the procedure chart of conference telephone, and wherein, Fig. 3 a sets up schematic diagram before the conference telephone for the user; When Fig. 3 b initiates to set up conference telephone for the user, the schematic diagram that the control that GSM calls out shifts from GSMMSC toward TD-SCDMA MSC; Fig. 3 c is that the control of GSM calling shifts the schematic diagram after finishing;
Fig. 4 a-4b is the flow chart that the TD-SCDMA/GSM dual-mode terminal GSM of present embodiment calls out, and wherein, Fig. 4 a is the flow chart that user terminal is done caller; Fig. 4 b is that user terminal is done called flow chart;
Fig. 5 is the flow chart that the TD-SCDMA/GSM dual-mode terminal of present embodiment is initiated conference telephone.
Embodiment
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments.
Dual-mode terminal as herein described is the dual-mode terminal under the double standby state.Supplementary service described herein is conference telephone service, explicit call transfer business, conference telephone service described herein comprises three parts and tripartite above conversation, is the implementation method of example explanation dual-mode terminal supplementary service when double standby state below with the conference telephone service.
Dual-mode terminal realizes that between the calling of two mobile communications networks core concept that conference telephone is set up is being become by a network control by the calling of two network controls respectively, promptly the calling under one of them network being transferred on another network.
As shown in Figure 2, when dual-mode terminal is set up the session phone between the calling of two mobile communications networks, may further comprise the steps:
The calling that above-mentioned two mode networks are set up down is order in no particular order, and for dual-mode terminal, it can be caller, also can be called.
In the calling of above-mentioned two networks, the calling in one of them network is in hold mode, and another is in talking state.
If in step 201, MSC address and call identification are that the MSC2 of second network distributes, and then in this step, dual-mode terminal is initiated new the calling with this combination sign to the MSC1 of first network automatically.
The dual-mode terminal user can initiate conference telephone service by the conference telephone option in the terminal, for example find ' setting up conference telephone ' this (different terminal content displayed may have difference) in the menu on mobile phone, then by confirming that terminal can be handled afterwards.
Flow process before the step 206 all is to initiate the request of setting up preparation before.After the conference telephone request of having only terminal (as mobile phone) to initiate was finished dealing with, multi-party users just can carry out conference telephone.206 and follow-up processing be the flow process that conference telephone is set up in the prior art.
Be the explanation that example is carried out idiographic flow with the TD-SCDMA/GSM dual-mode terminal below.
Fig. 3 a-3c has described the TD-SCDMA/GSM dual-mode terminal of present embodiment the calling passage change procedure that adds as conference telephone has been called out in GSM calling and TD-SCDMA from the angle of group-network construction.Having described the control that GSM is called out and handed over to process on the TD-SCDMA MSC, also can be that the control that TD-SCDMA calls out hands on the GSM MSC during practical application.Fig. 3 a is for initiating conference telephone situation before, and dual-mode terminal respectively has a calling on two networks, do not have association between two callings; When Fig. 3 b sets up conference telephone for user's desire, it is online for the GSM calling is forwarded to TD-SCDMA, dual-mode terminal is built a calling on the net again at TD-SCDMA, and the passage between the remote subscriber 2 that dual-mode terminal and GSM call out is: dual-mode terminal 301---TD-SCDMA MSC---GSMMSC---remote subscriber 2; In Fig. 3 c, the control that GSM calls out has forwarded on the TD-SCDMAMSC, and this moment, two callings of dual-mode terminal were all controlled on TD-SCDMA MSC, can carry out supplementary service such as conference telephone and handle.In Fig. 3 a, Fig. 3 b and Fig. 3 c, thick dashed line is represented the passage that TD calls out, and fine dotted line is represented the passage that GSM calls out.
Fig. 4 a-4b is the flow chart that the TD-SCDMA/GSM dual-mode terminal GSM of present embodiment calls out, and has described the process that dual-mode terminal is called or received calls in the GSM network under the normal condition.UE among the figure is dual-mode terminal UE.In the call setup of these two processes, ring, response message, present embodiment has increased MSC-ADDRESS and call identification Call Index.The purpose that increases these two parameters is: when dual-mode terminal user desire was set up conference telephone, dual-mode terminal can be initiated new the calling with these two parameters, controlled so that forward the calling of GSM network to the TD-SCDMA network.TD-SCDMA MSC can find GSMMSC according to the MSC-ADDRESS of GSM network MSC; And GSM MSC can further find the GSM of dual-mode terminal to call out according to CallIndex, handles then.
Fig. 4 a is the processing procedure of dual-mode terminal UE as caller, may further comprise the steps:
Step 401, UE makes a call, and after access procedure is finished, sets up message related to calls (SETUP) to GSM MSC/VLR transmission;
Step 402, GSM MSC/VLR finishes out and exhales processing, sends to call out to UE and carries out message (CALL PROCEEDING);
Step 403, GSM MSC/VLR finishes assignment process, and analyzing called number is sent office with calling, and exchange (the being called office) direction at past called subscriber place continues;
Step 404, dialed terminal bell, GSM MSC/VLR are received Address Complete Message (ACM);
Step 405, GSM MSC/VLR sends out ALERTING message (ALERTING) to UE;
This moment GSM MSC/VLR the MSC-ADDRESS for the call identification CallIndex of this call distribution and this GSM MSC/VLR can be added ALERTING message one in the same way the user send.
Step 406, the called subscriber receives calls, and GSM MSC/VLR receives response message (ANM);
Step 407, GSM MSC/VLR sends out response message (CONNECT) to UE;
GSM MSC/VLR also can distribute call identification CallIndex at this moment, carries MSC-ADDRESS and CallIndex and give UE in response message.
In another embodiment, described GSM MSC/VLR also can issue UE by ALERTING message in the step 405 or the CONNECT message in this step with MSC-ADDRESS and CallIndex respectively.
Step 408, UE is to GSM MSC/VLR echo reply acknowledge message (CONNECT ACK).
Fig. 4 b be dual-mode terminal UE as called processing procedure, may further comprise the steps:
Step 409, GSM MSC/VLR receives Incoming initial address message (IAM), carries roaming number in the message;
Step 410, GSM MSC/VLR finishes into paging and inserts processing, distributes call identification CallIndex, sends call setup message (SETUP) to UE, carries MSC-ADDRESS and CallIndex in this message;
Step 411, UE sends out call confirmation message (CALL CONFIRM) for GSM MSC/VLR, and GSM MSC/VLR finishes assignment procedure;
Step 412, the UE ring sends out ALERTING message (ALERTING) for GSM MSC/VLR;
Step 413, GSM MSC/VLR gives the full message in return address (ACM) in abutting connection with office;
Step 414, the called subscriber receives calls, and UE sends out response message (CONNECT) for GSM MSC/VLR;
Step 415, GSM MSC/VLR gives the echo reply message (ANM) in abutting connection with office;
Step 416, GSM MSC/VLR is to UE echo reply acknowledge message (CONNECTACK).
After finishing above-mentioned call establishment, UE has just known MSC-ADDRESS and the GSM call identification CallIndex of GSM MSC/VLR.
It is by TD MSC/VLR or GSM MSC/VLR allocation identification that operator can set, but can only be distributed by the MSC of side's network in a conference telephone, is carried out the control of conference telephone by the opposing party's network.
Fig. 5 be the TD-SCDMA/GSM dual-mode terminal of present embodiment as called or calling party, set up that GSM calls out and after TD-SCDMA calls out, desire TD-SCDMA call out and the GSM calling between set up the flow chart of conference telephone, may further comprise the steps:
Step 501, the dual-mode terminal user initiates conference telephone (for example by select corresponding menu on terminal), UE need do a special processing: whether two callings judging the user are respectively at GSM net and TD-SCDMA net, if set up the GSM MSC address " MSC-ADDRESS " and the GSM call identification " CallIndex " that obtain when GSM calls out before then using and call out as new TD-SCDMA of called number initiation;
If the dual-mode terminal in this flow process is the calling party, CallIndex that obtains when then calling out and MSC-ADDRESS are from the ALERTING message ALERTING of calling procedure or the response message CONNECT of calling procedure; If dual-mode terminal is the callee, then from the call setup message SETUP of called flow.
Step 502, TD-SCDMA MSC/VLR finish common go out to exhale processing after, send to call out to UE and carry out message (CALL PROCEEDING);
Step 503, after TD-SCDMA MSC/VLR finishes assignment process, according to the GSM MSC address MSC-ADDRESS in the called number, send initial address message (IAM) to GSMMSC/VLR, be about to call proceeding to GSM MSC/VLR, carry call identification Call Index in the described initial address message;
Step 504, GSM MSC/VLR need do a special processing: according to the call identification Call Index in the called number, this incoming call be assigned the far-end (referring to the remote subscriber among Fig. 3 a 2) that the GSM of Call Index calls out and connect, and to the full message in TD-SCDMA MSC/VLR return address (ACM);
Step 505, TD-SCDMA MSC/VLR returns ALERTING message (ALERTING) to UE;
Step 506, and then GSM MSC/VLR sends out response message (ANM) after sending out ACM for TD-SCDMA MSC/VLR, and the association between blocking-up UE-GSM MSC this section calling and 2 this section callings of GSM MSC-remote subscriber;
The purpose of above-mentioned blocking-up is: 2 this section callings exert an influence to GSM MSC/VL-remote subscriber in the release of this section of UE-GSM MSC/VL calling in the subsequent step 509～511.
Step 507, TD-SCDMA MSC/VLR is to UE echo reply message (CONNECT);
Step 508, UE confirms (CONNECTACK) to TD-SCDMA MSC/VLR echo reply;
Step 509, UE initiates the release flow process that GSM calls out, and sends out on-hook message (DISCONNECT) for GSM MSC/VLR;
Step 510, GSM MSC/VLR returns release message (RELEASE) to UE;
Step 511, UE sends out Release complete (RELEASECOMPLETE) to GSMMSC/VLR;
Blocked GSM MSC/VL in the step 506 to the caller section, and the extremely association between called section two sections of GSM MSC/VL, but call control channel and the language passage of UE-GSM MSC/VL are all also keeping, step 509-511 discharges call control channel between UE-GSM MSC/VL and language passage, this release flow process must be initiated by terminal, otherwise may cause the conversation between UE and the remote subscriber 2 of short duration interruption to occur.
So far, GSM calls out and has transferred on the TD-SCDMA MSC/VLR.
Step 512-513, UE initiates conference telephone to TD-SCDMA MSC/VLR and sets up request (if explicit call transfer, then send the explicit call transfer request this moment), TD-SCDMA MSC/VLR finishes the foundation of conference telephone (or explicit call transfer) according to normal flow, and returns conference telephone and set up acknowledge message.
From above-mentioned flow process, as can be seen, take method of the present invention, can realize that the TD-SCDMA/GSM dual-mode terminal calls out and GSM sets up the purpose of conference telephone between calling out at TD-SCDMA.
Conference telephone for a plurality of users, such as, except that remote subscriber 1,2, also having other remote subscriber in GSM and/or TD network, suppose that A has set up a conference telephone in the GSM network, is respectively B and C to end subscriber, this moment, the user E of TD net called out A, A decision joins E in the meeting, can be the A-E call migration is online to GSM by said method, and then E joined conference telephone.
Describe under the situation of TD-SCDMA and the two nets of GSM with the TD-SCDMA/GSM dual-mode terminal in the present embodiment, in fact,, also can similarly handle for other dual-mode terminal and corresponding calling two off the net.In addition, present embodiment also can be TD-SCDMA to be called out control shift toward GSM MSC when practical application, at this moment is exactly new calling of the online foundation of GSM.
In sum, adopt the inventive method, be applied in two mobile communications networks of dual-mode terminal and correspondence, the control of the calling on the network has been forwarded on another network, reached the effect of between the calling of two networks, carrying out supplementary service, satisfy the demand that the user initiates supplementary service, improved the availability of supplementary service.In addition, because to the caller of other networks of the phone that participates in a conference or calledly do not require, it is more convenient to realize.
Claims (11)
1. a dual-mode terminal is set up the implementation method of supplementary service when double standby state, may further comprise the steps:
(a) dual-mode terminal has been set up calling respectively in the network of two patterns of its support, wherein, a kind of mobile switching centre of network sends to described dual-mode terminal with an identification information when call setup, this network is hereinafter referred to as first network, this mobile switching centre is hereinafter to be referred as MSC1, another network is hereinafter to be referred as second network, and its mobile switching centre is hereinafter to be referred as MSC2, and described identification information is used to be identified at this calling C1 under this first network and is the MSC1 of this call service;
(b) after described dual-mode terminal is received the supplementary service order that the user sends, with described identification information is that called number is initiated new the calling in second network, MSC2 associates the calling C1 in this new calling and first network according to described identification information, and MSC1 is as transit exchange;
(c) described dual-mode terminal is set up supplementary service under the control of MSC2.
2. the method for claim 1 is characterized in that, described identification information is the call identification that MSC1 address and described MSC1 distribute for calling C1.
3. the method for claim 1 is characterized in that, in described step (a), described MSC1 sends to described dual-mode terminal by call control signalling message with described identification information.
4. method as claimed in claim 3 is characterized in that, in described step (a), in the calling C1 of described first network, if described dual-mode terminal is the calling party, then described call control signalling message is meant ALERTING message and/or response message; If described dual-mode terminal is the callee, then described call control signalling message is meant call setup message.
5. method as claimed in claim 1 or 2 is characterized in that, after described step (b), also comprises step (b '), disconnects being connected of described dual-mode terminal and MSC1.
6. method as claimed in claim 5, it is characterized in that, described step (b ') further comprise: after described MSC1 will newly call out and call out the C1 connection, MSC1 in this calling network C1 is discharged call control channel and language passage between itself and the MSC1 by described dual-mode terminal to caller section and the MSC1 association to called section again by described MSC1 blocking-up.
7. method as claimed in claim 5 is characterized in that, described step (b) further comprises:
(b1) after described dual-mode terminal is received the supplementary service order that the user sends, if two callings judging the user respectively in the network of two different modes, are that called number is initiated new calling in second network with described identification information then;
(b2) MSC2 arrives MSC1 according to the MSC1 address in the described identification information with this new call proceeding;
(b3) described MSC1 connects the calling C1 in this new calling and first network according to the call identification in the described identification information.
8. method as claimed in claim 7, it is characterized in that, described step (b2) further comprises: described MSC2 receives setup requests, finish out exhale processing after, send calling to described dual-mode terminal and carry out message, after described MSC2 finishes assignment process, send initial address message to MSC1, finish continuing of the new MSC1 of calling, carry call identification in the described initial address message.
9. the method for claim 1 is characterized in that, described supplementary service is conference telephone service or explicit call transfer business.
10. method as claimed in claim 9, it is characterized in that, in described step (a), the calling that described dual-mode terminal is set up in one of them network of its support is conference telephone, the other-end in the described conference telephone be and dual-mode terminal based on the terminal under terminal under the identical network pattern or the heterogeneous networks pattern.
11. the method for claim 1 is characterized in that, described dual-mode terminal is the TD-SCDMA/GSM dual-mode terminal.
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| CN2007101110009A CN101325762B (en) | 2007-06-12 | 2007-06-12 | Method for establishing supplementary service when double-mode terminal being on double standby state |
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| CN2007101110009A CN101325762B (en) | 2007-06-12 | 2007-06-12 | Method for establishing supplementary service when double-mode terminal being on double standby state |
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| CN101325762B true CN101325762B (en) | 2011-05-25 |
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| CN102118369A (en) * | 2009-12-31 | 2011-07-06 | 华为技术有限公司 | Session processing method and device |
| CN108616872B (en) * | 2017-01-24 | 2021-07-23 | 展讯通信（上海）有限公司 | Supplementary service implementation method, supplementary service implementation device and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1443017A (en) * | 2002-03-01 | 2003-09-17 | 华为技术有限公司 | Method of realizing GSM and CDMA network information intercommunication |
| CN1656831A (en) * | 2002-05-29 | 2005-08-17 | 高通股份有限公司 | Supplementary services access with a multi-mode wireless device |
| EP1750465A2 (en) * | 2005-08-02 | 2007-02-07 | LG Electronics Inc. | Communication system, method and dual mode terminal having a communication module controlled by a message |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1443017A (en) * | 2002-03-01 | 2003-09-17 | 华为技术有限公司 | Method of realizing GSM and CDMA network information intercommunication |
| CN1656831A (en) * | 2002-05-29 | 2005-08-17 | 高通股份有限公司 | Supplementary services access with a multi-mode wireless device |
| EP1750465A2 (en) * | 2005-08-02 | 2007-02-07 | LG Electronics Inc. | Communication system, method and dual mode terminal having a communication module controlled by a message |
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