CN101668278B - Method and related equipment for roaming service - Google Patents
Method and related equipment for roaming service Download PDFInfo
- Publication number
- CN101668278B CN101668278B CN 200810198347 CN200810198347A CN101668278B CN 101668278 B CN101668278 B CN 101668278B CN 200810198347 CN200810198347 CN 200810198347 CN 200810198347 A CN200810198347 A CN 200810198347A CN 101668278 B CN101668278 B CN 101668278B
- Authority
- CN
- China
- Prior art keywords
- party
- application server
- call
- mobile switching
- switching centre
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention discloses a method and related equipment of a roaming service. The method comprises: receiving identifier information sent by a calling party of a roaming, wherein the information carries an identifier of a called party and an identifier of a third party, and the home location of the third party is the visit location of the calling party of the roaming; forwarding the identifier information to a home application server of the calling party of the roaming; establishing call connection with the third party and the called party according to first and second instruction information which is fed back by the home application server respectively; and establishing the call connection between the third party and the called party according to the established call connected with the third party and the call connection with the called party. As the call connection between the third party and the called party, which are not in a roaming state, is established, the method can reduce the call cost of a user of the roaming service and improve the user experience of the user of the roaming service.
Description
Technical field
The present invention relates to communication field, relate in particular to a kind of method and relevant device of roaming service.
Background technology
Roaming service refers to that when the mobile subscriber was outside the scope that its belonging area network covers, this user can call out, receive and send data by access network-originated call, the response at its current place.
Such as, as the user of a belonging area network in Thailand, when calling out the local phone in Beijing (for example being 01026754684) in the BeiJing, China, its flow process comprises, this user roams into Beijing, call out calledly, then directly dial called number, roaming charges (Thailand roams into Beijing) are collected in conversation.
The call flow that comprises the clawback flow process then comprises:
1, at first, this calling user dials called number " 008601026754684 ";
2, crossed several seconds kinds after, this user receives the calling from the ownership place application server, calls out such as " 99901026754684 ";
3, after this user's response calling from the ownership place application server, the ownership place application server will be initiated the calling to callee " 01026754684 ";
4, after the called subscriber responds this calling, system calls out the ownership place application server and is connected with the calling of " 01026754684 " to calling subscriber " 99901026754684 ", the calling subscriber just successfully sets up the calling with callee (" 01026754684 ") like this.
In realizing process of the present invention, when the inventor finds to use the mode of above-mentioned roaming to call out, owing to be international nomadism call, so expense is higher.
Summary of the invention
Technical problem to be solved by this invention is, a kind of method and relevant device of roaming service is provided, and can realize cheap and easily roaming service.
For this reason, on the one hand, embodiments of the invention provide a kind of method of roaming service, comprising: receive the identification information that the roaming caller sends, comprise called party identification and third party sign in the described information, described third-party ownership place is described roaming caller's visited place; Described identification information is forwarded to roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification; The first indication information and the described third party that return according to described ownership place application server establish call connection; The second indication information and the described callee that return according to described ownership place application server establish call connection; Connect and callee's call connection according to the described third party call of having set up, set up described third party and callee's call connection.
Embodiments of the invention provide a kind of mobile switching centre, comprise: the first receiving element, be used for receiving the identification information that the roaming caller sends, comprise called party identification and third party sign in the described information, described third-party ownership place is described roaming caller's visited place; The first transmitting element, be used for described identification information is forwarded to roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification; First sets up the unit, and the first indication information and the described third party that are used for returning according to described ownership place application server establish call connection; Second sets up the unit, and the second indication information and the described callee that are used for returning according to described ownership place application server establish call connection; The 3rd sets up the unit, is used for connecting and callee's call connection according to the described third party call of having set up, and sets up described third party and callee's call connection.
On the other hand, embodiments of the invention provide a kind of application server, comprising: receiving element is used for receiving the identification information that the roaming caller sends, comprise called party identification and third party sign in the described information, described third-party ownership place is described roaming caller's visited place; The first call setup unit is used for identifying according to described third party and generates and send the first indication information to visited place mobile switching centre, indicates described visited place mobile switching centre to set up first call connection according to described the first indication information and third party; The second call setup unit is used for generating and sending the second indication information to described visited place mobile switching centre according to described called party identification, indicates described visited place mobile switching centre to set up the second call connection according to described the second indication information and callee; The 3rd call setup unit is used to indicate described visited place mobile switching centre with described first call connection and described the second call connection bridge joint, makes described third party and described callee conversation.
Owing to adopted the third party and the callee that are not in roaming state to establish call connection, can reduce roaming service user's calling charge, improve roaming service user's user experience.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is application server in the embodiment of the invention and the annexation figure of associated user;
Fig. 2 is a composition schematic diagram of the application server in the embodiment of the invention;
Fig. 3 is a composition schematic diagram of the first call setup unit among Fig. 2;
Fig. 4 is another composition schematic diagram of the application server in the embodiment of the invention;
Fig. 5 is a composition schematic diagram of the mobile switching centre in the embodiment of the invention;
Fig. 6 is that the first one of setting up the unit forms schematic diagram among Fig. 5;
Fig. 7 is a schematic flow sheet of the method for the roaming service in the embodiment of the invention;
Fig. 8 is another schematic flow sheet of the method for the roaming service in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
As shown in Figure 1, be the annexation figure of the application server in the embodiment of the invention and associated user.The roaming caller sends identification information to application server, application server is set up with third party and callee respectively according to this information and is contacted, and finally set up calling contact between third party and the callee, like this, roaming caller user just can use third party and callee to carry out communication.When reality was used, the third party was generally the local terminal that is not in roaming state, had so just avoided the use of roaming charges, particularly when the roaming caller is in the international roaming state, can save high international roaming expense.
As shown in Figure 2, be the application server in the embodiment of the invention that realizes above-mentioned functions.This application server 1 comprises:
Receiving element 10, be used for receiving the identification information that the roaming caller sends, comprise called party identification and third party sign in the described information, described roaming caller user can use described third party, and this third-party ownership place is described roaming caller's visited place.Wherein, identification information specifically can be destructuring supplementary data traffic (Unstructured Supplementary Service Data, USSD) information, the third party can be not in roaming state take roaming caller's visited place as the terminal use of ownership place, be the portable terminal of roaming caller's visited place such as ownership place, or the fixed terminal of roaming caller's visited place etc.The callee can be portable terminal or the fixed terminal of roaming caller's visited place, also can be roaming caller's visited place terminal in addition.Described called party identification and third party's sign can be telephone numbers etc.
The first call setup unit 12 is used for identifying according to described third party and generates and send the first indication information to visited place mobile switching centre, indicates described visited place mobile switching centre to set up first call connection according to described the first indication information and third party.
The second call setup unit 14, be used for generating and sending the second indication information to described visited place mobile switching centre according to described called party identification, indicate described visited place mobile switching centre to set up the second call connection according to described the second indication information and callee;
The 3rd call setup unit 16 is used to indicate described visited place mobile switching centre with described first call connection and described the second call connection bridge joint, makes described third party and described callee conversation.
Wherein, as shown in Figure 3, the first call setup unit 12 can comprise the first sending module 120, is used for establishing call connection required third party call information to the transmission of visited place mobile switching centre with the third party according to third party's sign; Authentication module 122, the call that is used for returning according to visited place mobile switching centre carries out authentication, and after obtaining the authentication successful result, the first indication information is sent to visited place mobile switching centre, comprise the authentication successful result in described the first indication information, indicate described visited place mobile switching centre to set up first call connection according to described the first indication information and third party.
Wherein, as shown in Figure 4, this application server also can comprise: Charging Detail Record unit 18 is used for carrying out charging according to described conversation, and taking off expense according to corresponding rate from described roaming caller's account behind described callee and third party's end of conversation.
This application service implement body can be roaming caller's ownership place business control nodes (Service ControlPonit, SCP).
Owing to adopted the third party and the callee that are not in roaming state to establish call connection, can reduce roaming service user's calling charge, improve roaming service user's user experience.
Accordingly, the embodiment of the invention also provides a kind of mobile switching centre, is used for setting up corresponding the connection according to the indication of above-mentioned application server, and as shown in Figure 5, this mobile switching centre comprises:
The first receiving element 20 is used for receiving the identification information that the roaming caller sends, and comprises called party identification and third party sign in the described information, and described third-party ownership place is described roaming caller's visited place.
The first transmitting element 22, be used for described identification information is forwarded to roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification.
First sets up unit 24, and the first indication information and the described third party that are used for returning according to described ownership place application server establish call connection.As shown in Figure 6, it can further comprise: the first receiver module 240 is used for receiving described ownership place application server and establishes call connection required third party call information according to what the described third party who receives identified transmission with the third party; Obtain authentication module 242, be used for sending call according to described third party call information to described ownership place application server, and obtain described ownership place application server and carry out the authentication successful result that returns after the authentication according to described call; First sets up module 244, is used for setting up calling according to described authentication successful result third party.
Second sets up unit 26, and the second indication information and the described callee that are used for returning according to described ownership place application server establish call connection.
The 3rd sets up unit 28, is used for connecting and callee's call connection according to the described third party call of having set up, and sets up described third party and callee's call connection.
Simultaneously, the embodiment of the invention also provides a kind of method of roaming service, and as shown in Figure 7, the method comprises following flow process:
701, roaming caller's visited place mobile switching centre receives the identification information that the roaming caller sends, and comprises called party identification and third party sign in the described information, and described roaming caller user can use described third party to carry out communication; Wherein, identification information specifically can be USSD information, and the third party can be the terminal use of visited place who is not in the roaming caller of roaming state, is the portable terminal of roaming caller's visited place such as ownership place, or local fixed terminal etc.The callee can be portable terminal or the fixed terminal of roaming caller's visited place, also can be roaming caller's visited place terminal in addition.
702, described visited place mobile switching centre is forwarded to described identification information roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification.
703, described visited place mobile switching centre establishes call connection according to the first indication information and the described third party that described ownership place application server returns.Wherein, specifically can comprise:
The ownership place application server sends with the third party to visited place mobile switching centre according to the described third party's sign that receives and establishes call connection required third party call information;
Described visited place mobile switching centre sends call according to described third party call information to described ownership place application server;
Described ownership place application server carries out authentication according to described call, and obtains the authentication successful result;
After described visited place mobile switching centre obtains described authentication successful result, set up calling with the third party.
704, described visited place mobile switching centre establishes call connection according to the second indication information and the described callee that described ownership place application server returns.Wherein specifically can be that after the authentication in the step 703 was passed through, described ownership place application server sent with the callee to visited place mobile switching centre according to described called party identification and establishes call connection required callee's call information; Described visited place mobile switching centre sets up calling according to described callee's call information and described callee.
705, visited place mobile switching centre sets up described third party and callee's call connection according to the described third party call connection of having set up with callee's call connection.
Wherein, can be again execution in step 704 of first execution in step 703, namely call out first the third party, after setting up calling with the third party, call out again the callee.But also can be to call out first the callee, call out the third party again, this moment, application server need to carry out authentication when calling out the callee, and after authentication was passed through, mobile switching centre just connected with the callee.Just because the relation that the actual user experiences is normally called out first the third party, call out again the callee.
This method also can comprise charging process, and namely behind callee and third party's end of conversation, the ownership place application server carries out charging according to described conversation, and takes off expense according to corresponding rate from described roaming caller's account.This rate is generally determined by operator.
Embodiment for a better understanding of the present invention, the below further provides associated exemplary.
As shown in Figure 8, a concrete example for the method for the roaming service in the embodiment of the invention comprises in this example that flow process is as follows:
801, the roaming caller is to (the Visiting Mobile SwitchingCenter of its visited place mobile switching centre, VMSC) send the USSD request, comprise that the third party identifies and called party identification in this USSD request, wherein, sign specifically can be telephone number.The third party can be the terminal use of roaming caller's visited place, is local portable terminal such as ownership place, or local fixed terminal, when the hotel, can be the telephone number etc. in hotel such as roaming caller user.The callee can be local portable terminal or fixed terminal, also can be the terminal in other places, and as when roaming caller user need to be scheduled to air ticket, what dial is the ticket-booking service phone on airport.
802, VMSC is transmitted to roaming caller's ownership place SCP with the USSD request of receiving.
803, roaming caller's ownership place SCP will send to VMSC to the response of USSD request.
804, VMSC is transmitted to the roaming caller with this response to the USSD request.
805, roaming caller's ownership place SCP sends third-party ICA (startup call attempt to VMSC, InitiateCall Attempt), RRBE (request report BCSM event, Request Report BCSM Event) is connected connection with CONT, Connect).
806, VMSC returns ERB (BCSM event report to roaming caller's ownership place SCP, EventReport BCSM) response, roaming caller's ownership place SCP carries out authentication, and producing the notice whether call out (namely calling out the third party) according to authenticating result, VMSC makes a call to the third party according to this notice and other relevant informations (such as the third-party ICA, the RRBE that receive before and CONT etc.).
807, after the third party responds the calling of VMSC initiation, roaming caller's ownership place SCP sends callee's ICA, RRBE and CONT to VMSC.
808, VMSC returns the ERB response to roaming caller's ownership place SCP.
809, roaming caller's ownership place SCP sends Moveleg (mobile leg) to VMSC, and VMSC makes a call to the callee according to the corresponding information of receiving.Comprising this conversation in Mobeleg is the relevant information that builds on the conversation between third party and the callee.
810, after the callee responded the calling of VMSC initiation, VMSC set up third party and callee's call connection.
In this example, roaming caller's ownership place SCP is known the call case in the whole flow process, and the processing such as the charging of can being correlated with.
Owing to adopted the third party and the callee that are not in roaming state to establish call connection, can reduce roaming service user's calling charge, improve roaming service user's user experience.
Device embodiment described above only is schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, namely can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select according to the actual needs wherein some or all of module to realize the purpose of present embodiment scheme.Those of ordinary skills namely can understand and implement in the situation of not paying performing creative labour.
Through the above description of the embodiments, those skilled in the art can be well understood to each execution mode and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware.Based on such understanding, the part that technique scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in the computer-readable recording medium, such as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, perhaps network equipment etc.) carry out the described method of some part of each embodiment or embodiment.
Above-described execution mode does not consist of the restriction to this technical scheme protection range.Any at above-mentioned execution mode spirit and principle within do modification, be equal to and replace and improvement etc., all should be included within the protection range of this technical scheme.
Claims (10)
1. the method for a roaming service is characterized in that, described method comprises:
Roaming caller's visited place mobile switching centre receives the identification information that the roaming caller sends, and comprises called party identification and third party sign in the described information, and described third-party ownership place is described roaming caller's visited place;
Described visited place mobile switching centre is forwarded to described identification information roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification;
Described visited place mobile switching centre establishes call connection according to the first indication information and the described third party that described ownership place application server returns;
Described visited place mobile switching centre establishes call connection according to the second indication information and the described callee that described ownership place application server returns;
Described visited place mobile switching centre connects and callee's call connection according to the described third party call of having set up, and sets up described third party and callee's call connection.
2. the method for claim 1 is characterized in that, described the first indication information that returns according to described ownership place application server and described third party establish call connection and comprise:
Described ownership place application server identifies to roaming caller's visited place mobile switching centre transmission according to the described third party who receives and establishes call connection required third party call information with the third party;
Described visited place mobile switching centre sends call according to described third party call information to described ownership place application server;
Described ownership place application server carries out authentication according to described call, and obtains the authentication successful result;
After described visited place mobile switching centre obtains described authentication successful result, set up calling with the third party.
3. method as claimed in claim 1 or 2 is characterized in that, described method also comprises:
Behind described callee and the third party's end of conversation, described ownership place application server carries out charging according to described conversation, and takes off expense according to corresponding rate from described roaming caller's account.
4. method as claimed in claim 3 is characterized in that, described identification information is non-structural supplementary data service information.
5. a mobile switching centre is characterized in that, described mobile switching centre comprises:
The first receiving element is used for receiving the identification information that the roaming caller sends, and comprises called party identification and third party sign in the described information, and described third-party ownership place is described roaming caller's visited place;
The first transmitting element, be used for described identification information is forwarded to roaming caller's ownership place application server, described ownership place application server is identified according to the third party in the described identification information generate the first indication information, generate the second indication information according to called party identification;
First sets up the unit, and the first indication information and the described third party that are used for returning according to described ownership place application server establish call connection;
Second sets up the unit, and the second indication information and the described callee that are used for returning according to described ownership place application server establish call connection;
The 3rd sets up the unit, is used for connecting and callee's call connection according to the described third party call of having set up, and sets up described third party and callee's call connection.
6. mobile switching centre as claimed in claim 5 is characterized in that, described first sets up the unit comprises:
The first receiver module is used for receiving described ownership place application server and establishes call connection required third party call information according to what the described third party who receives identified transmission with the third party;
Obtain authentication module, be used for sending call according to described third party call information to described ownership place application server, and obtain described ownership place application server and carry out the authentication successful result that returns after the authentication according to described call;
First sets up module, is used for establishing call connection according to described authentication successful result and third party.
7. application server, described application server is roaming caller's ownership place application server, it is characterized in that, described application server comprises:
Receiving element is used for receiving the identification information that the roaming caller sends, and comprises called party identification and third party sign in the described information, and described third-party ownership place is described roaming caller's visited place;
The first call setup unit is used for identifying according to described third party and generates and send the first indication information to visited place mobile switching centre, indicates described visited place mobile switching centre to set up first call connection according to described the first indication information and third party;
The second call setup unit is used for generating and sending the second indication information to described visited place mobile switching centre according to described called party identification, indicates described visited place mobile switching centre to set up the second call connection according to described the second indication information and callee;
The 3rd call setup unit is used to indicate described visited place mobile switching centre with described first call connection and described the second call connection bridge joint, makes described third party and described callee conversation.
8. application server as claimed in claim 7 is characterized in that, described the first call setup unit comprises:
The first sending module is used for establishing call connection required third party call information to the transmission of visited place mobile switching centre with the third party according to third party's sign;
Authentication module, the call that is used for returning according to visited place mobile switching centre carries out authentication, and after obtaining the authentication successful result, the first indication information is sent to visited place mobile switching centre, comprise the authentication successful result in described the first indication information, indicate described visited place mobile switching centre to set up first call connection according to described the first indication information and third party.
9. such as claim 7 or 8 described application servers, it is characterized in that described application server is roaming caller's ownership place business control nodes.
10. application server as claimed in claim 9 is characterized in that, described application server also comprises:
Charging Detail Record unit is used for carrying out charging according to described conversation, and taking off expense according to corresponding rate from described roaming caller's account behind described callee and third party's end of conversation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810198347 CN101668278B (en) | 2008-09-05 | 2008-09-05 | Method and related equipment for roaming service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200810198347 CN101668278B (en) | 2008-09-05 | 2008-09-05 | Method and related equipment for roaming service |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101668278A CN101668278A (en) | 2010-03-10 |
| CN101668278B true CN101668278B (en) | 2013-03-20 |
Family
ID=41804660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200810198347 Active CN101668278B (en) | 2008-09-05 | 2008-09-05 | Method and related equipment for roaming service |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101668278B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104521254B (en) * | 2012-07-31 | 2019-03-15 | 慧与发展有限责任合伙企业 | Service request information is generated using the minimum service collection specified for roaming state to obtain wireless service |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564573A (en) * | 2004-03-26 | 2005-01-12 | 中兴通讯股份有限公司 | Method of carrying out intelligent service of personal portable telephone system |
| CN1645968A (en) * | 2005-02-25 | 2005-07-27 | 得实信息科技(北京)有限公司 | System and method for realizing calling to international wandering user by local virtual number |
| CN1925691A (en) * | 2006-09-30 | 2007-03-07 | 华为技术有限公司 | Method and system for realizing international nomadism call |
-
2008
- 2008-09-05 CN CN 200810198347 patent/CN101668278B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1564573A (en) * | 2004-03-26 | 2005-01-12 | 中兴通讯股份有限公司 | Method of carrying out intelligent service of personal portable telephone system |
| CN1645968A (en) * | 2005-02-25 | 2005-07-27 | 得实信息科技(北京)有限公司 | System and method for realizing calling to international wandering user by local virtual number |
| CN1925691A (en) * | 2006-09-30 | 2007-03-07 | 华为技术有限公司 | Method and system for realizing international nomadism call |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101668278A (en) | 2010-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101146266B (en) | Method and system for adding special numbers of user | |
| EP2099242A2 (en) | Single IMSI Multi MSISDN service allocating a local number to a roaming subscriber | |
| CN1863252B (en) | Method and system for adding special purpose number for user | |
| CN101341764A (en) | Service of intelligent network | |
| CN100525486C (en) | Method and system for realizing missing call notification business | |
| CN101931925B (en) | Method for one number connecting calling method and service control point | |
| US8060087B2 (en) | CDMA intelligent network system and its method, device for realizing international roaming service | |
| EP2111030A1 (en) | Group telephone exchange service charging method and service controlling device | |
| CN101437089A (en) | Method for implementing calling name display business and calling information service equipment | |
| US8009809B2 (en) | Method and system for call proceeding in an intelligent network system | |
| EP2109299B1 (en) | A method, system and device for playing group color ring | |
| WO2009146616A1 (en) | Method and information server for realizing the calling information display service | |
| CN101742426B (en) | Method, device and system for realizing ringing service of user terminals | |
| CN101860589A (en) | Method and system for realizing display of calling information at called terminal | |
| CN103139765A (en) | Control method and control device and system of SIMMAX service | |
| WO2005045555A2 (en) | Hybrid intelligent network | |
| CN103095690A (en) | Calling processing method and application server (AS) | |
| CN101668278B (en) | Method and related equipment for roaming service | |
| EP2341721A1 (en) | Call screening method and system | |
| CN101431735B (en) | Method and apparatus for propelling user information in voice communication course | |
| CN101374345A (en) | Method, apparatus and system for transferring wireless virtual private network VPN short number of calling subscriber | |
| CN101316441B (en) | Method for universal call management platform implementing unconditional forward shifting user connection | |
| EP2129093B1 (en) | A ring back tone playing method and system, a home location register and a mobile switching center | |
| CN101179770B (en) | Method and system for switchboard controlled call diversion in mobile communication system | |
| CN100471311C (en) | Method for implementing call partner in mobile communication |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |