CN101820617A - Method for processing mobile number carrying service - Google Patents
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- CN101820617A CN101820617A CN200910105574A CN200910105574A CN101820617A CN 101820617 A CN101820617 A CN 101820617A CN 200910105574 A CN200910105574 A CN 200910105574A CN 200910105574 A CN200910105574 A CN 200910105574A CN 101820617 A CN101820617 A CN 101820617A
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Abstract
The invention aims to provide a method for processing a mobile number carrying service. The method comprises the following steps that: after receiving an incoming call request, a gateway mobile switch centre (GMSC-A) of a first network inquires a network in which a called user is positioned from an MNP-SRF/NPDB of the first network; the MNP-SRF/NPDB inquires the called user and returns a routing inquiry response message SRI-ACK which carries a routing number (RN-B) of the network in which the called user is positioned and an MSISDN of the called user to the GMSC-A when the called user is a user of a second network; the GMSC-A sends an initial address message (IAM) which carries the RN-B and the MSISDN of the called user to a gateway mobile switch center (GMSC-B) of the second network; the GMSC-B sends a routing inquiry message SRI to a home location register (HLR) of the second network marked by the RN-B; and the HLR inquires signed data information of the called user and returns the SRI-ACK which carries a roaming number of the called user when the signed data information of the called user exists in HLR. Due to the adoption of the method, a calling routing message loop caused by a data configuration error of the NPDB is avoided.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of processing method of mobile number carrying service.
Background technology
For the better utilization Internet resources, promote competition rationally.At present, a lot of standardization bodies have all formulated the relevant criterion that mobile number carries (MNP), and mobile number carrying service is also introduced in mobile communication market, various countries one after another.
Mobile number carrying service is mainly by 3GPP 22.066 and the definition of 3GPP 23.066 protocol specifications among the 3G, it is identical therewith basically that the number of G SM (Global System for Mobile Communications, global system for mobile communications) network carries implementation.According to the description of agreement, the MNP function comprises SRF (signaling relay function) mode and IN mode.The SRF mode adopts the relevant signaling of MAP as the basic means that realizes MNP, and the IN mode adopts the basic means of intelligent network message mode as MNP.
For the SRF mode, protocol description GMSC (mobile gateway switching center) network element, MNP-SRF/MATF (MAP application Terminating Function, mobile application terminal function) and NPDB (number portability database), merge interface relationship, working method between the relevant devices such as being called MNP-SRF/NPDB (supporting signaling relay function/number portability database of MNP) equipment, HLR (attaching position register) network element.Comprise the operating procedure that should carry out, signaling process etc. problem, solved well that user's number carries problem in the mobile communications network.
After number portability service took place, the called subscriber may change net, has been not this network users, and at this moment, HLR just can't inform the roaming number that GMSC is called, and GMSC just can't call out route, thereby the influence calling normally continues.By introducing number portability database NPDB (number portability database), head it off smoothly.In NPDB, deposit all users' home network information, by inquiry NPDB just can know the user current be which network of ownership, should inquire about called subscriber's roaming number to HLR of which network during calling.
When number portability service takes place in certain user, shift out among the NPDB of network and revise data configuration, change this User Status into his network users by this network users (or carrying access customer), and write down the routing number RN that this user moves into network; Simultaneously, the NPDB that moves into network also revises data configuration, changes this User Status into this network users (or carrying access customer) by his network users.
Here RN refers to Routing Number routing number, is used to refer to the affiliated network of user's reality, uses when calling out route.
The handshaking procedure of calling out under the normal conditions is: receive call for ask after, GMSC sends SRI (route requests) message to HLR, inquire about called routing iinformation, HLR inquires about called position to VLR, obtain called roaming number, return called roaming number by SRI_ACK (route requests response) to GMSC again, GMSC routes the call to corresponding VMSC (visit mobile gateway switch) in view of the above and finishes call proceeding.
The signaling message that the SRF mode relates to mainly comprises:
SRI:Send Routeing Information sends route requests;
SRI-ACK:Send Routeing Information acknowledge sends the route requests response;
IAM:Initial Address Message initial address message.
Briefly the MNP operation principle of SRF mode is exactly:
Receive call for ask after, GMSC is not the routing iinformation that directly sends SRI information query called subscriber to HLR, but sending SRI message to MNP-SRF/NPDB earlier, inquiry called subscriber's current home network information is carried out next step according to Query Result in NPDB.
If this network users, then the whole process of Hu Jiaoing comprises as shown in Figure 1:
101, work the IAM message of exhaling the switch transmission to carry called subscriber MSISDN (The Mobile StationISDN number, travelling carriage comprehensive service digital net number) and give GMSC B;
102, GMSC B sends the SRI message of carrying MSISDN to MNP-SRF/NPDB;
103, inquiry called subscriber's current home network information in NPDB determines that the called subscriber is this network users; MNP-SRF/NPDB routes the call to the HLR B of user attaching;
104, the called routing iinformation of HLR B inquiry, by SRI-ACK message, the roaming number MSRN that directly returns the called subscriber gives GMSC B;
105, GMSC B routes the call to VMSC B in view of the above;
106, VMSC B finishes call proceeding, calls out called subscriber MS (travelling carriage) B.
If the called subscriber carries for number takes place, change the user of net to other networks, then the whole process of Hu Jiaoing comprises as shown in Figure 2:
201, calling subscriber MS A rises and exhales VMSC A;
202, VMSC A sends and carries the IAM message of called subscriber's Mobile Subscriber International ISDN Number to GMSC A;
203, GMSC A sends the SRI message of carrying MSISDN to MNP-SRF/NPDB;
204, MNP-SRF/NPDB inquires about called subscriber's current home network information in NPDB, determines that the called subscriber carries for number takes place, and changes the user of net to other networks; MNP-SRF/NPDB returns SRI_ACK message to GMSC A, comprising the routing number RN and the Mobile Subscriber International ISDN Number of called subscriber place network;
205, the routing number RN of the user place network that returns according to MNP-SRF/NPDB of GMSC A sends IAM message and routes the call to called place network G MSC B, and wherein called number is RN+MSISDN;
206, GMSC B sends the SRI message of carrying MSISDN to MNP-SRF/NPDB, and inquiry called subscriber's current home network information determines that the called subscriber is this network users in NPDB;
207, MNP-SRF/NPDB routes the call to the HLR of user attaching;
208, the called routing iinformation of HLR inquiry by SRI-ACK message, directly returns called roaming number and gives GMSC B;
209, GMSC B routes the call to end office (EO) in view of the above, finishes call proceeding by end office (EO).
Because the IN mode can't realize the correlation function of the supplementary service of mobile communications network, so, what all adopt when introducing number portability service in the general mobile communications network is the SRF mode, and the thinking of prevention message circulation is also similar substantially to SRF, and the IN mode is not just repeated to have introduced here.
The problem that prior art exists is:
When the enforcement mobile number carries, relate to and move into/shift out two mobile networks', two different mobile numbers carry database (MNP-SRF/NPDB), need shift out among the NPDB of network and revise data configuration, change this User Status into his network users by this network users (or carrying access customer), and write down the routing number RN that this user moves into network; Simultaneously, the NPDB that moves into network also revises data configuration, changes this User Status into this network users (or carrying access customer) by his network users.
In this operating process data collocation error might take place: the data that promptly shift out among the NPDB of network are that this user shifts out, and are his network users; And the data in the immigration network are not revised, and still keeping this user is original record of his network users.
Like this, the NPDB of two networks thinks that this user is the user of bipartite network, when calling out generation, the NPDB of two networks can return the SRI-ACK message that has bipartite network RN to GMSC, GMSC will be routed to bipartite network with inferior calling in view of the above repeatedly, form message circulation, constantly consumption of network resources, as shown in Figure 3, calling procedure comprises:
301, calling subscriber MS A rises and exhales VMSC A;
302, VIMC A sends and carries the IAM message of called subscriber's Mobile Subscriber International ISDN Number to GMSC A;
303, GMSC A sends the SRI message of carrying MSISDN to MNP-SRF/NPDB;
304, MNP-SRF/NPDB inquires about called subscriber's current home network information in NPDB, determines that the called subscriber carries for number takes place, and changes the user of net to other networks; MNP-SRF/NPDB returns SRI_ACK message to GMSC A, comprising the routing number RN (sensing is carried into network) and the Mobile Subscriber International ISDN Number of called subscriber place network;
305, user's routing number RN of returning according to MNP-SRF/NPDB of GMSC A sends IAM message and routes the call to called place network G MSC B, and wherein called number is RN+MSISDN;
306, GMSC B sends the SRI message of carrying MSISDN to MNP-SRF/NPDB, and inquiry called subscriber's current home network information is determined non-network users of called subscriber in NPDB;
307, MNP-SRF/NPDB returns SRI-ACK message to GMSC B, carries the RN (sensing carries out network) and the Mobile Subscriber International ISDN Number at called subscriber place in the message;
308, GMSC B routes the call to called place network G MSCA according to user's routing number RN that MNP-SRF/NPDB returns.
As seen, because the NPDB data configuration is incorrect, system is repeating step 303～308 always, forms message circulation.
In order to prevent that such phenomenon from taking place, agreement has been stipulated the method for a prevention message route: in the XUDT of signaling SCCP (connection control section) layer protocol (the unit data message of enhancing), the hop counter parameter is set, message does not have through this network element once, hop counter in the XUDT message just subtracts one, when the technology of jumping device was 0, message was dropped.
But this method has two serious defectives:
(1) when general calling routing inquiry SRI, use all be UDT (unit data message), can not use XUDT message, and UDT message does not have the hop counter parameter.That is to say that if current now message related to calls flow process is not done revision use XUDT message by using UDT message to change into, so, this method is actual can't be used;
(2) even current now message related to calls flow process is made the revision of description in (1), reduced to before 0 in the hop counter value of waiting for XUDT message so, still can produce repeatedly the message circulation between two mobile networks, this means between two Mobile Network Operator and can produce a plurality of unnecessary interworking between network message, produce unnecessary closing the account, increase the operating cost of operator.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of processing method of mobile number carrying service, can avoid producing among the mobile network message circulation problem when the enforcement mobile number carries (MNP) technology.
For addressing the above problem, the technical solution adopted in the present invention comprises:
The mobile gateway switch GMSC-A of first network receive call for ask after, mobile number to first network carries signaling relay function/number portability database MNP-SRF/NPDB transmission routing inquiry message SRI inquiry called subscriber place network, carries called subscriber's travelling carriage comprehensive service digital net number MSISDN in the described routing inquiry message;
MNP-SRF/NPDB inquires about the called subscriber, when described called subscriber is second network user, returns routing query response message SRI-ACK to GMSC-A, wherein carries the routing number RN-B of called subscriber place network and called subscriber's MSISDN;
GMSC-A routes the call to second network according to RN-B, sends the initial address message IAM that carries RN-B and called subscriber MSISDN to the mobile gateway switch GMSC-B of second network;
GMSC-B sends routing inquiry message SRI to the attaching position register HLR of second network of RN-B sign, wherein carries called subscriber's MSISDN;
HLR inquiry called subscriber's subscription data information when HLR has defendant user's subscription data information, is then returned SRI-ACK message to GMSC-B, carries called subscriber's roaming number in the message.
Above-mentioned method further comprises:
Inquire about the subscription data information that does not have described called subscriber at HLR, then return failed message to GMSC-B;
GMSC-B discharges this time calling after receiving described failed message.
Above-mentioned method further comprises:
The visit mobile gateway switch VMSC that GMSC-B calls out the roaming number correspondence that is routed to the called subscriber according to described called subscriber's roaming number finishes call proceeding.
Above-mentioned method, wherein, MNP-SRF/NPDB inquires about the called subscriber, and when described called subscriber was first network user, described method comprised:
MNP-SRF/NPDB carries called MS ISDN to Home Network HLR transmission SRI information query called subscriber's roaming number in the described SRI message, and described Home Network HLR to the roaming number that GMSC-A returns the called subscriber, finishes the subsequent voice calls action with SRI-ACK message.
Above-mentioned method, wherein, after GMSC-B received described RN-B, GMSC-B deleted RN-B, and directly the HLR to second network of RN-B sign sends routing inquiry message SRI, does not carry RN-B in the described query messages.
Above-mentioned method, wherein, described first network shifts out network, the immigration network that described second network is the called subscriber for the called subscriber's.
Above-mentioned method, wherein, described RN-B arranges during for the network planning, is used for identifying the called subscriber and is carrying into the HLR under the network.
The present invention is directed to mobile communications network when carrying out mobile number carrying service, be the calling route messages circulation of avoiding causing owing to NPDB database data configuration error, thereby consumption of network resources, increase the problem of operator's operating cost, make full use of original call flow and every message wherein, reduce transformation to existing business as far as possible, data comparison process when reasonably enquiry number being carried database, seamless being inserted in original call flow, whether the RN in the SRI message of relatively receiving by the MNP-SRF/NPDB that moves into network is consistent with the RN in the notebook data storehouse, whether decision continues the subsequent voice calls flow process, avoided message circulation, solved because NPDB database data configuration error causes producing in the network message circulation, the unnecessary consumption Internet resources increase operator's operating cost problem.In the scheme substantially not to the change of existing call flow process, signaling message, reduction is to the function modifications requirement of existing network element, the routing plan of making rational planning for, reduce network load, help operator and carry out mobile number carrying service rapidly, easily tackle possible fortuitous event, and have good exploitativeness and operability.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is under the existing protocol regulation SRF mode, calls out this network users or carry to move into user's situation figure;
Fig. 2 is under the existing protocol regulation SRF mode, when the NPDB data configuration is correct, calls out to carry and shifts out user's situation figure;
Fig. 3 is under the existing protocol regulation SRF mode, when the NPDB data configuration is incorrect, calls out to carry and shifts out the situation figure that the user produces message circulation;
Fig. 4, calls out to carry and shifts out the user when correct according to the NPDB data configuration of the embodiment of the invention, and HLR normally returns the situation figure of roaming number;
Fig. 5, calls out to carry and shifts out the user when incorrect according to the NPDB data configuration of the embodiment of the invention, avoids producing the situation figure of message circulation.
Embodiment
Below in conjunction with drawings and Examples technical scheme of the present invention is described in detail.
The technical solution adopted in the present invention is as described below:
The mobile gateway switch GMSC-A of first network receive call for ask after, mobile number to first network carries signaling relay function/number portability database MNP-SRF/NPDB transmission routing inquiry message SRI inquiry called subscriber place network, carries called subscriber's travelling carriage comprehensive service digital net number MSISDN in the described routing inquiry message;
MNP-SRF/NPDB inquires about the called subscriber, when described called subscriber is second network user, returns routing query response message SRI-ACK to GMSC-A, wherein carries the routing number RN-B of called subscriber place network and called subscriber's MSISDN;
GMSC-A routes the call to second network according to RN-B, sends the initial address message IAM that carries RN-B and called subscriber MSISDN to the mobile gateway switch GMSC-B of second network;
GMSC-B sends routing inquiry message SRI to the attaching position register HLR of second network of RN-B sign, wherein carries called subscriber's MSISDN;
HLR inquiry called subscriber's subscription data information when HLR has defendant user's subscription data information, is then returned SRI-ACK message to GMSC-B, carries called subscriber's roaming number in the message.
Above-mentioned method further comprises:
Inquire about the subscription data information that does not have described called subscriber at HLR, then return failed message to GMSC-B;
GMSC-B discharges this time calling after receiving described failed message.
Above-mentioned method further comprises:
The visit mobile gateway switch VMSC that GMSC-B calls out the roaming number correspondence that is routed to the called subscriber according to described called subscriber's roaming number finishes call proceeding.
Above-mentioned method, wherein, MNP-SRF/NPDB inquires about the called subscriber, and when described called subscriber was first network user, described method comprised:
MNP-SRF/NPDB carries called MS ISDN to Home Network HLR transmission SRI information query called subscriber's roaming number in the described SRI message, and described Home Network HLR to the roaming number that GMSC-A returns the called subscriber, finishes the subsequent voice calls action with SRI-ACK message.
Above-mentioned method, wherein, after GMSC-B received described RN-B, GMSC-B deleted RN-B, and directly the HLR to second network of RN-B sign sends routing inquiry message SRI, does not carry RN-B in the described query messages.
Above-mentioned method, wherein, described first network shifts out network, the immigration network that described second network is the called subscriber for the called subscriber's.
Above-mentioned method, wherein, described RN-B arranges during for the network planning, is used for identifying the called subscriber and is carrying into the HLR under the network.
In sum, the method according to this invention has following characteristics:
When carrying out the number portability service network planning, regulation can each network of unique identification in the routing number (RN) of each HLR, preserve the RN of each user's correspondence among the MNP-SRF/NPDB;
Only the GMSC of caller network needs to send routing inquiry message (SRI) to the NPDB inquiry, if the user carries, but NPDB returns the RN that has identifying user place HLR to GMSC;
After the carrying network GMSC and receive the IAM message that has RN of called place, no longer inquire about NPDB, but directly send routing inquiry message (SRI), the roaming number of inquiring user behind the deletion RN to the HLR of RN sign.
The NPDB data query only takes place one time in whole process, may be because the route messages circulatory problems of the inconsistent initiation of different N PDB data thereby solved.
When requiring to carry out the mobile number carrying service data schema, determine can the unique identification network in the RN of each HLR; GMSC is supported in when receiving the IAM message that has RN+MSISDN, can delete RN and directly send outside the routing inquiry message (SRI) to the HLR of RN indication, to the existing function of all network elements in the existing network without any extra requirement.
In fact, when carrying out the mobile number carrying service data schema, determine can the unique identification network in the RN of each HLR, only be the problem of data schema, be easy to accomplish.GMSC can delete RN and directly send routing inquiry message (SRI) to the HLR of RN indication when receiving the IAM message that has RN+MSISDN, and actual is exactly the FH-number transform function that present each producer's switch has all been supported.The present invention has utilized this facility, and this upgrading for relevant device requires very low, implements also very easy, helps the rapid enforcement of scheme, reduces the correlative investment cost.
For other relevant links that original mobile number carries call flow, complete number according to the existing protocol regulation carries call flow to carry out, and convenient understanding is implemented;
Have good exploitativeness and operability.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Using example with one of the present invention below further is illustrated.
Use example one as shown in Figure 4, comprising:
401, calling subscriber MS A rises and exhales VIMC A;
402, VIMC A sends and carries the IAM message of called subscriber's Mobile Subscriber International ISDN Number to GMSC A;
403, GMSC A receives as after going into to call for the IAM message of asking, and sends the SRI message of carrying MSISDN to MNP-SRF/NPDB, inquiry called subscriber's current home network;
404, MNP-SRF/NPDB is according to called subscriber's Mobile Subscriber International ISDN Number inquiry NPDB, and the result is for carrying out the user, and then MNP-SRF/NPDB sends SRI-ACK message to GMSCA, wherein carries the routing number RN and the Mobile Subscriber International ISDN Number of called place network;
405, user's routing number RN of returning according to MNP-SRF/NPDB of GMSC A sends IAM message and routes the call to called current place network G MSC B, and wherein called number is RN+MSISDN;
406, after GMSC B receives the Incoming IAM message that GMSC A sent, to the SRI message that MSISDN is carried in the transmission that moves into network, inquiry called subscriber's roaming number;
407, HLR checks that MSISDN in the SRI message receive in own database, returns called roaming number to GMSC-B.
Follow-up GMSC B routes the call to end office (EO) in view of the above, finishes call proceeding by end office (EO).
Application example two is as shown in Figure 5:
501, calling subscriber MS A rises and exhales VIMC A;
502, VIMC A sends and carries the IAM message of called subscriber's Mobile Subscriber International ISDN Number to GMSC A;
503, GMSC A receives as after going into to call for the IAM message of asking, and sends the SRI message of carrying MSISDN to MNP-SRF/NPDB, inquiry called subscriber's current home network;
504, MNP-SRF/NPDB is according to called subscriber's Mobile Subscriber International ISDN Number inquiry NPDB, and the result is for carrying out the user, and then MNP-SRF/NPDB sends SRI-ACK message to GMSCA, wherein carries the routing number RN and the Mobile Subscriber International ISDN Number of called place network;
505, user's routing number RN of returning according to MNP-SRF/NPDB of GMSC A sends IAM message and routes the call to called current place network G MSC B, and wherein called number is RN+MSISDN;
506, after GMSC B receives the Incoming IAM message that GMSC A sent, to the SRI message that MSISDN is carried in the transmission that moves into network, inquiry called subscriber's roaming number;
507, HLR checks that the MSISDN in the SRI message of receiving does not have to return failed message MAP-ERROR (Mobility Application Part-ERROR, MAP error message) to GMSC-B in own database.
Follow-up GMSC-B discharges this calling after receiving MAP-ERROR message.
As seen, can avoid producing the problem of message circulation like this.
Should be appreciated that at this, in the agreement predetermined process mode, do not require during networking that GMSC must carry RN when sending SRI message, also can not carry RN.
Should also be understood that in the agreement predetermined process mode,, then can't avoid the generation of message route circulation under this situation if GMSC adopts UDT message rather than adopts the XUDT message of band hop counter parameter to send SRI message to MNP-SRF/NPDB at the SCCP layer.
The present invention is directed to mobile communications network when carrying out mobile number carrying service, because NPDB database data configuration error causes producing the message circulation problem in the network, make full use of original call flow for avoiding, and every message wherein, reduce transformation to existing business as far as possible.Reasonably specify the RN that can determine each HLR by data schema, and only by NPDB of caller network inquiry, and the HLR at definite final place of user, avoided repeatedly inquiring about the message circulation that may cause, solved because NPDB database data configuration error, cause producing in the network message circulation, the unnecessary consumption Internet resources increase operation mountain operating cost problem.In the scheme substantially not to the change of existing call flow process, signaling message, reduction is to the function modifications requirement of existing network element, and the routing plan of making rational planning for reduces network load, help operator and carry out mobile number carrying service rapidly, easily tackle possible fortuitous event.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. the processing method of a mobile number carrying service comprises:
The mobile gateway switch GMSC-A of first network receive call for ask after, mobile number to first network carries signaling relay function/number portability database MNP-SRF/NPDB transmission routing inquiry message SRI inquiry called subscriber place network, carries called subscriber's travelling carriage comprehensive service digital net number MSISDN in the described routing inquiry message;
MNP-SRF/NPDB inquires about the called subscriber, when described called subscriber is second network user, returns routing query response message SRI-ACK to GMSC-A, wherein carries the routing number RN-B of called subscriber place network and called subscriber's MSISDN;
GMSC-A routes the call to second network according to RN-B, sends the initial address message IAM that carries RN-B and called subscriber MSISDN to the mobile gateway switch GMSC-B of second network;
GMSC-B sends routing inquiry message SRI to the attaching position register HLR of second network of RN-B sign, wherein carries called subscriber's MSISDN;
HLR inquiry called subscriber's subscription data information when HLR has defendant user's subscription data information, is then returned SRI-ACK message to GMSC-B, carries called subscriber's roaming number in the message.
2. method according to claim 1 is characterized in that, described method further comprises:
Inquire about the subscription data information that does not have described called subscriber at HLR, then return failed message to GMSC-B.
3. method according to claim 2 is characterized in that, described method also comprises:
GMSC-B discharges this time calling after receiving described failed message.
4. method according to claim 1 is characterized in that, described method further comprises:
The visit mobile gateway switch VMSC that GMSC-B calls out the roaming number correspondence that is routed to the called subscriber according to described called subscriber's roaming number finishes call proceeding.
5. method according to claim 1 is characterized in that, MNP-SRF/NPDB inquires about the called subscriber, and when described called subscriber was first network user, described method comprised:
MNP-SRF/NPDB carries called MS ISDN to Home Network HLR transmission SRI information query called subscriber's roaming number in the described SRI message, and described Home Network HLR to the roaming number that GMSC-A returns the called subscriber, finishes the subsequent voice calls action with SRI-ACK message.
6. method according to claim 1 is characterized in that, described method specifically comprises:
After GMSC-B received described RN-B, GMSC-B deleted RN-B, and directly the HLR to second network of RN-B sign sends routing inquiry message SRI, does not carry RN-B in the described query messages.
7. according to claim 1 or 5 or 6 described methods, it is characterized in that described first network shifts out network, the immigration network that described second network is the called subscriber for the called subscriber's.
8. according to claim 1 or 6 described methods, it is characterized in that described RN-B arranges during for the network planning, be used for identifying the called subscriber and carrying into the HLR under the network.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102217344A (en) * | 2011-05-18 | 2011-10-12 | 华为技术有限公司 | Number portability realization method and interconnection gateway |
| WO2012089063A1 (en) * | 2010-12-29 | 2012-07-05 | 华为技术有限公司 | Method and apparatus for processing information association |
| CN105142132A (en) * | 2015-08-11 | 2015-12-09 | 北京思特奇信息技术股份有限公司 | MNP number portability method and system |
| CN106211140A (en) * | 2015-04-30 | 2016-12-07 | 中国电信股份有限公司 | For realizing the method and system of Multi net voting switching at runtime |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU731960B2 (en) * | 1996-09-16 | 2001-04-05 | Ericsson Inc. | Using number portability database to solve call tromboning |
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2009
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012089063A1 (en) * | 2010-12-29 | 2012-07-05 | 华为技术有限公司 | Method and apparatus for processing information association |
| CN102217344A (en) * | 2011-05-18 | 2011-10-12 | 华为技术有限公司 | Number portability realization method and interconnection gateway |
| WO2011144027A3 (en) * | 2011-05-18 | 2012-03-08 | 华为技术有限公司 | Number portability implementation method and inter-connection and inter-communication gateway |
| CN102217344B (en) * | 2011-05-18 | 2013-08-07 | 华为技术有限公司 | Number portability realization method and interconnection gateway |
| CN106211140A (en) * | 2015-04-30 | 2016-12-07 | 中国电信股份有限公司 | For realizing the method and system of Multi net voting switching at runtime |
| CN105142132A (en) * | 2015-08-11 | 2015-12-09 | 北京思特奇信息技术股份有限公司 | MNP number portability method and system |
| CN105142132B (en) * | 2015-08-11 | 2018-09-11 | 北京思特奇信息技术股份有限公司 | A kind of MNP numbers of taking turn network method and system |
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