CN1305348C - Method for transferring realizing inter-regional call before call in virtual network - Google Patents
Method for transferring realizing inter-regional call before call in virtual network Download PDFInfo
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- CN1305348C CN1305348C CNB200410042867XA CN200410042867A CN1305348C CN 1305348 C CN1305348 C CN 1305348C CN B200410042867X A CNB200410042867X A CN B200410042867XA CN 200410042867 A CN200410042867 A CN 200410042867A CN 1305348 C CN1305348 C CN 1305348C
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Abstract
The present invention discloses a method for realizing an interregional call in a virtual network by using transfer before a call, which comprises the following steps that virtual GMSC which uses customized signaling to interact with virtual HLR is set; in a following call that a called number in an A region is dialed and the number is called in a B region, virtual HLR sends a roaming number allocated by VLR in the B region and numbers called in the A region and the B region to virtual GMSC, virtual GMSC establishes corresponding relation of the information of the call and responds to virtual HLR, virtual HLR returns the forward shifting number to GMSC in the A region, GMSC in the A region is linked to virtual GMSC by using the forward shifting number, and GMSC is linked to MSC in the B region for establishing the call after finding the roaming number. The method in the present invention generates a Follow Me call list via virtual GMSC and can link the call to a telephone line with low cost via the call.
Description
Technical field
The present invention relates to the trans-regional method of calling of field of mobile communication, relate in particular to flow process and charging method that trans-regional FollowMe calls out (following calling).
Background technology
In the actual life, a part of mobile subscriber is through some fixing interzone roamings of being everlasting, and this part user not only requires to enjoy service easily, and requires can enjoy local user's cheap expense when these interzone roamings.
In order to eliminate wandering fee, can utilize a kind of virtual network, allow the number of the corresponding different regions of a SIM card, when the user roams into a certain area, just use the number of this area, claim that herein this business is the all-purpose card business, corresponding user is called the all-purpose card user.Perhaps, allow a user have a plurality of SIM card, every SIM card is distributed telephone numbers in the attaching position register (HLR) in corresponding area, when roaming into a certain area, the user just uses the SIM card of this area, these regional HLR get in touch with customized signaling, no matter call out which number of this user, and calling can both be switched on, claim that herein this business is many cartoons business, corresponding user is called many cartoons user.When these users roam into a certain area, and when calling out other regional numbers of this user, calling procedure and ordinary call difference are very big, and this paper claims this special trans-regional calling for following calling (FollowMe calling), and all-purpose card and many cartoons business are referred to as the business of following of calling out.
There is defective in present FollowMe business aspect charging, existing charging way is called out the ticket that produces to FollowMe can't intactly describe the flow process that FollowMe calls out.FollowMe calling with the all-purpose card user is an example.
Suppose that A, B two places all-purpose card user roam into A ground, this all-purpose card of certain customer call user's B ground number is so produced trans-regional calling.Charging method by present FollowMe business, exhale ticket to produce in A ground mobile switching centre (MSC) eventually, the ticket content comprises: roaming number (MSRN) and all-purpose card user A prefix, called IMSI International Mobile Subscriber Identity (IMSI), calling number etc.; And work the information such as comprising calling number, all-purpose card user B prefix, caller IMSI and MSRN in the ticket of exhaling.
From the ticket that produces, can not embody the current actual called number that uses in the ticket rising to exhale, it is the number in all-purpose card user A area, call out to the FollowMe in A area and exhale eventually that can not to embody this time calling in the ticket be the B area, have only rising when exhaling ticket and exhaling ticket to combine eventually, just can analyze this is the calling of a B area FollowMe to the A area.Yet, since produce exhale the switch of ticket eventually and has produced exhale ticket switch not at areal, therefore can't combine two tickets of FollowMe calling generation at all.Also there is identical problem in FollowMe calling to many cartoons user, is not giving unnecessary details at this.
Summary of the invention
Problem to be solved by this invention provides the method for utilizing Call Forwarding to realize trans-regional calling in a kind of virtual network, when realizing that trans-regional FollowMe calls out, can intactly describe the flow process that FollowMe calls out on charging bill.
In order to solve the problems of the technologies described above, the invention provides and utilize Call Forwarding to realize the method for trans-regional calling in a kind of virtual network, may further comprise the steps:
(a) in the area of opening the calling business of following a virtual gateway mobile switching centre that can utilize customized signaling and virtual attaching position register to carry out information interaction is set respectively;
(b) the called second area that roams into, this called number in the first area is dialed in caller, in the flow process of following calling that takes place, after described virtual attaching position register obtains the roaming number of second area VLR Visitor Location Register distribution, send the message (this message can be the self-defining request of Providing Roaming Number) that has this call information to described virtual gateway mobile switching centre, comprise described roaming number, called in first area and second area number and the information of called IMSI International Mobile Subscriber Identity;
(c) after described message is received by described virtual gateway mobile switching centre, set up the corresponding relation between each call information in this message, echoing to described virtual attaching position register then should;
(d) after described virtual attaching position register is received response, return described transferred number to the called GMSC (gateway mobile switching center) in first area, the GMSC (gateway mobile switching center) in first area is routed to described virtual gateway mobile switching centre according to this transferred number;
(e) described virtual gateway mobile switching centre analyzes the information in the connect message, finds corresponding roaming number, is called to second area mobile switching centre, sets up and calls out;
(f) behind the end of conversation, described virtual gateway mobile switching centre produces corresponding charge information, comprises called number in first area and second area, and called IMSI International Mobile Subscriber Identity.
Further, utilize Call Forwarding to realize that the method for trans-regional calling can have following characteristics in the above-mentioned virtual network: described virtual gateway mobile switching centre is the virtual gateway mobile switching centre that is arranged on the first area.In order to reduce telephone expenses, described virtual gateway mobile switching centre earlier with call proceeding to the speech channel of low-cost tandem exchange, be routed to second area mobile switching centre by this tandem exchange again.
Further, utilize Call Forwarding to realize that the method for trans-regional calling can have following characteristics in the above-mentioned virtual network: the described calling business of following is the professional or many cartoons business of all-purpose card.
Further, utilize Call Forwarding to realize that the method for trans-regional calling can have following characteristics in the above-mentioned virtual network: described transferred number has specific identifier, in the described step (e), it is to follow calling that first this specific identifier according to transferred number in the connect message of described virtual gateway mobile switching centre identifies this calling, searches corresponding roaming number again.
As from the foregoing, the present invention not only can realize that FollowMe calls out, and especially, the FollowMe that has produced information completely by virtual GMSC calls out ticket.Simultaneously, all continue by virtual GMSC because all FollowMe call out, therefore virtual GMSC can be called in the cheaper speech channel of rate according to the requirement of operator, has reduced the expense of trans-regional calling.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the invention to all-purpose card user's FollowMe calling.
Fig. 2 is the flow chart of the embodiment of the invention to many cartoons user's FollowMe calling.
Embodiment
First embodiment
To describe present embodiment all-purpose card user's FollowMe call flow below in detail.At first a virtual GMSC (gateway mobile switching center) (GMSC) need be set in the area of opening the all-purpose card business respectively, this virtual GMSC can utilize customized signaling and virtual HLR to carry out information interaction.The HLR that this virtual GSMC and realization FollowMe call out has increased customized signaling, has formed a virtual network.
The all-purpose card user S1 that supposes A, B two places roams into the B area, and certain user S2 calls out the A prefix of S1, calls out so produce FollowMe, and as shown in Figure 1, the idiographic flow that this FollowMe calls out may further comprise the steps:
Step 101, S2 dials the A prefix of all-purpose card user S1, and call proceeding is to the GMSC in A area;
Step 102, the GMSC analyzing called number in A area is initiated route requests to virtual HLR;
Step 103, virtual HLR is received route requests, analyzes S1 signing service and current position information, initiates the request of Providing Roaming Number to the VLR in B area, the current place of S1;
Step 104, B area VLR distributes roaming number (MSRN_B), in the response that Provides Roaming Number MSRN_B is turned back to virtual HLR;
Step 105, virtual HLR is analyzed this and is called out the calling for FollowMe, send the request MAP signaling (customized signaling) that Provides Roaming Number to the virtual GMSC in A ground, carry the information of this calling, comprise roaming number MSRN_B, original called party number (S1 is at the number in A area) that B ground VLR distributes, activate the IMSI number of number (S1 is at the number in B area), user S1 etc.;
Step 106 after the virtual GMSC in A ground receives the request of Providing Roaming Number of virtual HLR, is set up the corresponding relation of information such as MSRN_B, original called party number, activation number, IMSI number, and is returned the response (customized signaling) that Provides Roaming Number to virtual HLR;
Step 107, virtual HLR by success response, have specific transferred number to GMSC loop, A ground after receiving the response that Provides Roaming Number in the route response;
Step 108 after A ground GMSC receives route response, is called to the virtual GMSC in A ground according to the transferred number in the response;
Step 109, behind the initial address message that has additional information (IAI) that the virtual GMSC in A ground receives, find that the called number among the IAI is specific transferred number, so think that this calls out the calling for FollowMe, roaming number MSRN_B according to the corresponding relation and the original called party number among the IAI of information such as the MSRN_B of original foundation, original called party number, activation number, IMSI number finds B ground VLR to distribute is routed to speech channel in tandem exchange (IDD) speech channel earlier by MSRN_B;
Step 110, this IDD speech channel is routed to B ground MSC again;
Step 111, B area MSC obtains called party information according to MSRN_B, sets up to S1 and calls out.
Behind the end of conversation, the virtual GMSC in A ground is responsible for producing the FollowMe ticket, in this ticket, comprise: original called party number and activation number (being the A area of S1 and the number in B area), B area roaming number MSRN_B, information such as the IMSI number of S1, thereby can intactly represent the FollowMe call flow one time.
In addition, because FollowMe calls out by virtual GMSC control, therefore virtual GMSC can be called to according to the requirement of operator in comparatively cheap tandem exchange (IDD) speech channel, thereby has reduced the expense of trans-regional calling.
Second embodiment
To describe many cartoons of present embodiment user's FollowMe call flow below in detail.Equally a virtual GMSC need be set in the area of opening many cartoons business respectively.Because many cartoons user distributes telephone numbers in a plurality of virtual HLR, so many cartoons user's FollowMe call flow and all-purpose card user have difference slightly.
The many cartoons user S1 that supposes A, B two places roams into the B area, and certain user S2 calls out the A prefix of S1, calls out so produce FollowMe, and as shown in Figure 2, the idiographic flow that this FollowMe calls out may further comprise the steps:
Step 201, S2 dials the A prefix of many cartoons user S1, and call proceeding is to the GMSC in A area;
Step 202, A ground GMSC analyzing called number is initiated route requests to A ground virtual HLR;
Step 203, A ground virtual HLR is received route requests, analyzes S1 signing service and current position information, to the B ground virtual HLR routing inquiry request that makes a call;
Step 204, the request of Providing Roaming Number is initiated to B ground VLR number in the virtual HLR position current according to S1, B area;
Step 205, B area VLR distributes roaming number (MSRN_B), in the response that Provides Roaming Number MSRN_B is returned B ground virtual HLR;
Step 206, B ground virtual HLR are returned to A ground virtual HLR and are called out the routing inquiry response, have the roaming number MSRN_B that B ground VLR distributes in the response;
Step 207, A ground virtual HLR is analyzed this and is called out the calling for FollowMe, virtual GMSC sends the request of Providing Roaming Number (customized signaling) to A ground, and the call information that carries comprises roaming number MSRN_B, original called party number (S1 is at the number in A area), activation number (S1 is at the number in B area), called IMS I number (S1 is at the IMSI in A area number) and the activation IMSI number (S1 is at the IMSI in B area number) that B ground VLR distributes;
Step 208, after the virtual GMSC in A ground receives the self-defined request of Providing Roaming Number that A ground virtual HLR comes, set up MSRN_B, original called party number, activation number, called IMS I number, activate the corresponding relation of information such as IMSI number, and return the response (customized signaling) that Provides Roaming Number to A ground virtual HLR;
Step 209, A ground virtual HLR by success response, have specific transferred number to GMSC loop, A ground after receiving the self-defined response that Provides Roaming Number in the route response;
Step 210, A ground GMSC is called to the virtual GMSC in A ground according to the specific transferred number in the route response;
Step 211, behind the IAI that the virtual GMSC in A ground receives, find that the called number among the IAI is specific transferred number, so think that this calls out the calling for FollowMe, MSRN_B, original called party number, activation number, called IMS I number according to original foundation, activate the corresponding relation of IMSI number information and the original called party number among the IAI, the MSRN_B that finds B ground VLR to distribute is routed to speech channel in comparatively cheap tandem exchange (IDD) speech channel earlier by MSRN_B;
Step 212, this IDD speech channel is routed to B ground MSC again;
Step 213, B area MSC obtains called party information according to MSRN_B, sets up to S1 and calls out.
Behind the end of conversation, the virtual GMSC in A ground is responsible for producing the FollowMe ticket, in this ticket, comprise: original called party number and activation number (being the A area of S1 and the number in B area), B area roaming number MSRN_B, called IMS I number, activate information such as IMSI number, thereby can intactly represent the FollowMe call flow one time.
In sum, the present invention, utilizes specific transferred number earlier caller GMSC to be routed to this GMSC, and then is routed to called roaming place MSC on the basis of original FollowMe call flow by setting up a virtual GMSC.The inventive method not only can realize that FollowMe calls out, and especially, the FollowMe that has produced information completely by virtual GMSC calls out ticket.Simultaneously, all continue by virtual GMSC because all FollowMe call out, therefore virtual GMSC can be called in the cheaper speech channel of rate according to the requirement of operator, has reduced the expense of trans-regional calling.
Claims (8)
1, utilize Call Forwarding to realize the method for trans-regional calling in a kind of virtual network, may further comprise the steps:
(a) in the area of opening the calling business of following a virtual gateway mobile switching centre that can utilize customized signaling and virtual attaching position register to carry out information interaction is set respectively;
(b) the called second area that roams into, this called number in the first area is dialed in caller, in the flow process of following calling that takes place, after described virtual attaching position register obtains the roaming number of second area VLR Visitor Location Register distribution, send the message that has call information to described virtual gateway mobile switching centre, comprise described roaming number, called in first area and second area number and the information of called IMSI International Mobile Subscriber Identity;
(c) after described message is received by described virtual gateway mobile switching centre, set up the corresponding relation between each call information in this message, echoing to described virtual attaching position register then should;
(d) after described virtual attaching position register is received response, return transferred number to the called GMSC (gateway mobile switching center) in first area, the GMSC (gateway mobile switching center) in first area is routed to described virtual gateway mobile switching centre according to this transferred number;
(e) described virtual gateway mobile switching centre analyzes the information in the connect message, finds corresponding roaming number, is called to second area mobile switching centre, sets up and calls out;
(f) behind the end of conversation, described virtual gateway mobile switching centre produces corresponding charge information, comprises called in first area and the number in second area, described roaming number and called IMSI International Mobile Subscriber Identity.
2, the method for claim 1 is characterized in that, described virtual gateway mobile switching centre is the virtual gateway mobile switching centre that is arranged on the first area.
3, method as claimed in claim 2 is characterized in that, in the described step (e), described virtual gateway mobile switching centre earlier with call proceeding to the speech channel of low-cost tandem exchange, be routed to second area mobile switching centre by this tandem exchange again.
4, the method for claim 1 is characterized in that, the described calling business of following is the professional or many cartoons business of all-purpose card.
5, the method for claim 1, it is characterized in that, described transferred number has specific identifier, in the described step (e), it is to follow calling that first this specific identifier according to transferred number in the connect message of described virtual gateway mobile switching centre identifies this calling, searches corresponding roaming number again.
6, as claim 1 or 5 described methods, it is characterized in that, in the described step (e), described virtual gateway mobile switching centre according to called number searching in the first area in the connect message to corresponding roaming number.
7, the method for claim 1 is characterized in that, in the described step (d), described virtual attaching position register is to carry described roaming number in the route success response of returning to the called GMSC (gateway mobile switching center) in first area.
8, the method for claim 1 is characterized in that, the described calling business of following is many cartoons business, described step (b) and (f) in called IMSI International Mobile Subscriber Identity comprise called IMSI International Mobile Subscriber Identity in first area and second area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200410042867XA CN1305348C (en) | 2004-05-28 | 2004-05-28 | Method for transferring realizing inter-regional call before call in virtual network |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200410042867XA CN1305348C (en) | 2004-05-28 | 2004-05-28 | Method for transferring realizing inter-regional call before call in virtual network |
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| CN1585556A CN1585556A (en) | 2005-02-23 |
| CN1305348C true CN1305348C (en) | 2007-03-14 |
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| CNB200410042867XA Expired - Fee Related CN1305348C (en) | 2004-05-28 | 2004-05-28 | Method for transferring realizing inter-regional call before call in virtual network |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100417300C (en) * | 2005-12-13 | 2008-09-03 | 华为技术有限公司 | Method of user selection calling forward switching |
| CN101277538B (en) * | 2008-04-28 | 2012-02-29 | 华为技术有限公司 | Method and apparatus for personal identification |
| CN101883143B (en) * | 2010-06-18 | 2012-10-17 | 北京握奇数据系统有限公司 | Method, device and system for realizing one-card roaming |
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| CN1358040A (en) * | 2000-12-12 | 2002-07-10 | 华为技术有限公司 | Method and system for cellular system to implement virtual roaming and intercommunication |
| WO2003015437A1 (en) * | 2001-08-07 | 2003-02-20 | Huawei Technologies Co., Ltd. | Method for roaming call implement to foreign intelligent client |
| WO2003073781A1 (en) * | 2002-02-27 | 2003-09-04 | Huawei Technologies Co., Ltd. | Method and system for virtual roaming and communication in cellular system |
| CN1474626A (en) * | 2002-08-08 | 2004-02-11 | 深圳市中兴通讯股份有限公司 | Method for trans-region roaming for mobile users |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1358040A (en) * | 2000-12-12 | 2002-07-10 | 华为技术有限公司 | Method and system for cellular system to implement virtual roaming and intercommunication |
| WO2003015437A1 (en) * | 2001-08-07 | 2003-02-20 | Huawei Technologies Co., Ltd. | Method for roaming call implement to foreign intelligent client |
| WO2003073781A1 (en) * | 2002-02-27 | 2003-09-04 | Huawei Technologies Co., Ltd. | Method and system for virtual roaming and communication in cellular system |
| CN1474626A (en) * | 2002-08-08 | 2004-02-11 | 深圳市中兴通讯股份有限公司 | Method for trans-region roaming for mobile users |
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Effective date of registration: 20180427 Address after: California, USA Patentee after: Global innovation polymerization LLC Address before: 518057, Nanshan District high tech Industrial Park, Guangdong province Shenzhen science and technology south road Zhongxing building A block 6 Patentee before: ZTE Corp. |
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