CN101374346A - Method, system and equipment for implementing terminal communication - Google Patents

Abstract

The invention discloses a method, a system and a device for realizing a terminal communication, belonging to the communication field. The method includes: before the interrupt of the communication transmission, the access network element acquires the relationship of the global mobile terminal identification code IMSI of the terminal, which is serviced by the access network and is saved in the core network element, and the number, and saves the relationship; after the interruption of the communication transmission appears, the communication calling of the terminal is achieved, according to the relationship of the IMSI saved in access network element and the number. The system includes: the access network element and the core network element. The relationship of the IMI saved in core network element and the mobile phone number (such as MDN) is acquired, before the communication transmission interruption (that is the normal operation). When the communication transmission interruption appears, the relationship between the IMI acquired before and the mobile phone number can ensure the calling both in base stations and between base stations, thereby realizing the communication of in base stations and between base stations.

Description

A kind of method, system and equipment of realizing terminal communication

Technical field

The present invention relates to the communications field, particularly a kind of method, system and equipment of realizing terminal communication.

Background technology

After the Wenchuan violent earthquake takes place, China Telecom, China Netcom, China Mobile and four big operators of CHINAUNICOM have all suffered loss in various degree: it is congested that Sichuan company of China Mobile has 3 switches to take place, and has more than 2300 base station to withdraw from service (abbreviation moves back clothes) because of reasons such as outage, transmission interruptions.

The inventor is when realization is of the present invention, discovery is in causing the reason of base station service quit, the power breakdown reason occupies ratio and is about 56%, transmission is interrupted proportion and is about 31%, therefore, electric power and transmission are the main causes that clothes are moved back in the mobile base station, because the base station generally is equipped with storage battery, the situation that power breakdown occurs, still can work 4 hours under the power supply of storage battery in the base station, but, cause BTS (Base Transceiver Station, base station transceiver) and BSC (Base StationController because transmission is interrupted, base station controller) (the Radio Network Controller of Abis interface and base station and RNC between, base station controller) Iub interface interrupts, and will cause all mobile phone terminals under this base station all can't communicate by letter, and reason is as follows:

Because in wireless communication system, kept IMSI (International Mobile SubscriberIdentity in the mobile phone terminal, whole world portable terminal identification code), and mobile phone terminal is when calling out, be that the phone number that utilizes terminal called is (as at CDMA (Code Division Multiple Access, code division multiple access) system, this phone number is specially MDN (MobileDirectory Number, phone number); At GSM (Global System for Mobile Communications, global mobile communication) system, this phone number is specially MSISDN (The Mobile Station Integrated ServiceDigital Network, mobile subscriber's international number) calls out, after call request is received in the base station, need this terminal called IMSI just can carry out paging, the base station just need obtain the relation of the IMSI and the phone number of mobile phone terminal like this, at present, the relation of this IMSI and phone number generally is kept in the network element of core net (as VDB (Visit DateBase, accessing database), HLR (Home Location Register, the Home Location Registry place)), so, after call request is received in the base station, need obtain the relation of this IMSI and phone number to core network element.

Therefore, as mentioned above, no matter occur Abis (or Iub) interface interrupt the base station cause and the communication failure between the base station controller, still because the communication failure of appearance is interrupted in the transmission between base station controller and the core net, still because the base station controller faults itself moves back the communication failure that clothes cause, all will cause the base station can't obtain the relation of IMSI and phone number, and then cause all mobile phone terminals under the base station can't realize communication from core network element.

Summary of the invention

Under the situation of interrupting in communications, realize in the base station, the communication between the base station, the embodiment of the invention provides a kind of method, system and equipment of realizing terminal communication.Described technical scheme is as follows:

On the one hand, provide a kind of method that realizes terminal communication, described method comprises:

Before communications was interrupted, access network elements obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number, and preserves described relation;

In described communications occurring, have no progeny,, realize the communication call of terminal according to the relation of IMSI that preserves in the described access network elements and number.

On the other hand, provide a kind of system that realizes terminal communication, described system comprises: access network elements and core network element,

Described access network elements was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number, and preserved described relation; Also be used for having no progeny,, realize the communication call of terminal according to the relation of IMSI that preserves in the described access network elements and number when described communications occurring;

Described core network element is used to provide the global portable terminal identification code IMSI of terminal and the relation of phone number.

On the other hand, provide a kind of access network elements, described access network elements comprises:

Acquisition module was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number;

Preserve module, be used to preserve the relation that described acquisition module obtains;

The paging module is used for having no progeny when described communications occurring, according to the IMSI of described preservation module preservation and the relation of number, realizes the communication call of terminal.

On the one hand, provide a kind of core network element again, described core network element comprises:

Ask receiver module, be used for the position updating request of receiving terminal, carry the cell ID of the described terminal of service, the IMSI of described terminal in the described position updating request;

Concern acquisition module, be used for IMSI, obtain the phone number of described IMSI correspondence according to described terminal;

Sending module, be used for when described concern that acquisition module gets access to the phone number of described IMSI correspondence after, send the position to base station controller and upgrade and accept, carry the IMSI of the cell ID of the described terminal of service, the described terminal obtained and the relation of phone number during described position is upgraded and accepted.

The beneficial effect of the technical scheme that the embodiment of the invention provides is:

By before communications is interrupted (when promptly normally moving) in advance, the relation of IMSI that preserves in the core network element that gets access to and phone number (as MDN), in communications occurring, have no progeny, relation according to above-mentioned IMSI that obtains in advance and phone number, guarantee in the base station, the calling between the base station, in the realization base station, the communication between the base station.

Description of drawings

Fig. 1 is the method flow schematic diagram of the realization terminal communication that provides of the embodiment of the invention 1;

Fig. 2 is the method flow schematic diagram that base station that the embodiment of the invention 1 provides obtains the relation of IMSI and MDN;

Fig. 3 is the schematic network structure that the embodiment of the invention 1 provides;

Fig. 4 is the paging method schematic flow sheet that the embodiment of the invention 1 provides;

Fig. 5 is the schematic flow sheet of the mobile phone terminal Y paging mobile phone terminal X that provides of the embodiment of the invention 1;

Fig. 6 is the method flow schematic diagram of the realization terminal communication that provides of the embodiment of the invention 2;

Fig. 7 is the method flow schematic diagram that base station controller that the embodiment of the invention 2 provides obtains the relation of IMSI and MSISDN;

Fig. 8 is the paging method schematic flow sheet that the embodiment of the invention 2 provides;

Fig. 9 is the method flow schematic diagram of the realization terminal communication that provides of the embodiment of the invention 3;

Figure 10 is the schematic network structure that the embodiment of the invention 3 provides;

Figure 11 is the paging method schematic flow sheet that the embodiment of the invention 3 provides;

Figure 12 is the system schematic of the realization terminal communication that provides of the embodiment of the invention 4;

Figure 13 is the access network elements structural representation that the embodiment of the invention 5 provides;

Figure 14 is the core network element structural representation that the embodiment of the invention provides.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, embodiment of the present invention is described further in detail below in conjunction with accompanying drawing.

In order to satisfy when the emergency communication demand occurring, when the transmission of (or base station controller) and upper level network element is interrupted in the base station, realize in the base station and the calling of mobile phone terminal between the base station, reach the purpose of its communication, the embodiment of the invention provides a kind of method that realizes terminal communication, this method thes contents are as follows: before communications is interrupted, access network elements obtains the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number, and preservation relation; In communications occurring, have no progeny,, realize the communication call of terminal according to the relation of IMSI that preserves in the access network elements and number.

For the realization method for communicating that the embodiment of the invention is provided is elaborated, see also following embodiment: wherein, those skilled in the art can be known, because base station controller provides service for a plurality of base stations, and a plurality of mobile phone terminals also can be served in each base station, therefore, at above-mentioned situation, embodiment 1, after emergency communication occurring, the emergency communication how to satisfy between the mobile phone terminal of self being served the base station by the base station is that example (mode of calling out in a kind of base station promptly is provided) describes; Embodiment 2 and embodiment 3, after emergency communication occurring, emergency communication how to satisfy the mobile phone terminal between each base station under the base station controller is that example describes (mode of calling out between a kind of base station promptly is provided).See following each embodiment for details.

Embodiment 1

Referring to Fig. 1, the embodiment of the invention provides a kind of method that realizes terminal communication, (interrupting as the communications that interface (as Abis or the Iub) fault of base station and base station controller causes) interrupted in the base station in transmission preceding, get access to the IMSI of the mobile phone terminal that this base station of preservation is served down in the core network element and the relation of phone number, in above-mentioned communications occurring, have no progeny, relation according to IMSI that obtains in advance and phone number, guarantee to call out in the base station, realize the communication in the base station, for convenience of explanation, being specially cdma system with communication system is example, correspondingly, the concrete address of above-mentioned phone number is MDN, and this method thes contents are as follows:

S1: the base station obtains the IMSI of mobile phone terminal and MDN relation by base station controller to core network element, and preserves the MDN and the IMSI relation of the mobile phone terminal that obtains, referring to Fig. 2, this step S1 particular content referring to following step 101 to 104:

Those skilled in the art can be known, because the storage capacity in the base station is limited, the base station only need obtain the relation of the MDN and the IMSI of the mobile phone terminal of serving this base station, with the IMSI of the mobile phone terminal of self serving that obtains and the relation of MDN, preserve, specific implementation is as follows:

101: mobile phone terminal sends position updating request Location Updating Request, carries cell identifier Cell Identification Discriminator, the IMSI sign of self and user area sign User Zone ID in this request;

Wherein, those skilled in the art can be known, because mobile phone terminal changes in the lane place, under the perhaps periodic registration message situation, mobile phone terminal can send position updating request Location Updating Request, with CDMA is example, referring to table 1, provides the message format signal table of this position updating request.

Table 1

As shown in table 1, wherein BSMAP (Base station Message Application Part, base station messages application part) Header field has been carried the application of base station message has been described; Cell Identifier field has been carried cell identifier CellIdentification Discriminator; Layer 3 Information field presentation layers three message; Owing to carried cell identifier Cell IdentificationDiscriminator among this position updating request Location Updating Request, wherein, the sub-district that this Cell Identification Discriminator has been used to indicate this mobile phone terminal to belong to has shown that promptly this mobile phone interrupts affiliated base station.And in subsequent movement switching center, also be according to this CellIdentification Discriminator, to relevant base station, send the position and upgrade the response message of accepting Location UpdatingAccept, therefore utilize this message, registered user's zone can be narrowed down in the zone of cell ID Cell ID.

102: mobile switching centre receives the position updating request Location Updating Request that mobile phone terminal sends, obtain the MDN of this IMSI correspondence according to the IMSI of the mobile phone terminal that wherein carries, and according to the cell identifier Cell Identification Discriminator that carries in this position updating request, send the position renewal to base station controller and accept LocationUpdating Accept, wherein, IMSI and the MDN relation of accepting to carry in the message this mobile phone terminal that obtains upgraded in this position, with cell identifier Cell Identification Discriminator.

103: base station controller receives the position renewal of mobile switching centre's transmission and accepts message, according to the cell identifier Cell Identification Discriminator that wherein carries, the IMSI of this mobile phone terminal and MDN relation are sent to the base station corresponding with this cell identifier.

104: the base station obtains the IMSI of the mobile phone terminal that base station controller sends and the relation of MDN, preserves this IMSI and MDN relation.

For convenience of explanation, referring to Fig. 3, the embodiment of the invention provides a kind of schematic network structure, wherein, with the mobile phone terminal X (and the IMSI of this mobile phone terminal is " 460300903601751 ") under the base station A service to mobile switching centre (as MSC (Mobile Services Switching Center, the mobile switching center that serves) sending position updating request LocationUpdating Request is that example describes, and referring to Fig. 4, process is as follows:

201: mobile phone terminal X sends position updating request Location Updating Request to MSC, carries the IMSI " 460300903601751 " of this mobile phone terminal, the place Base Station Identification " A " of this mobile phone terminal in this request.

202:MSC receives the position updating request Location Updating Request that mobile phone terminal X sends, IMSI " 460300903601751 " according to the mobile phone terminal that carries in this request, obtain the corresponding MDN of this IMSI " 460300903601751 " to the core network element that stores IMSI and MDN relation (as HLR etc.), the MDN that supposes this mobile phone terminal X is " 13300000001 ", and promptly MSC gets access to the IMSI of mobile phone terminal and the relation of MDN is specially " 460300903601751 and 13300000001 ".

203:MSC is according to the Base Station Identification " A " of this mobile phone terminal of the service of carrying in this position updating request X, send the position renewal to the base stations control controller and accept Location Updating Accept message, IMSI and the MDN relation " 460300903601751 and 13300000001 " of accepting to carry in the message mobile phone terminal upgraded in this position, and the Base Station Identification " A " of this mobile phone terminal X.Wherein, referring to table 2, provide the table of the position updating request Location Updating Request message format signal under a kind of prior art.

Table 2

As shown in table 2, this position updating request Location Updating Request message comprises protocol description field Protocol Discriminator, reserved field Reserver Octet, message type field Message Type, cause value field Cause, protocol revision field Protocol Revision, and travelling carriage frequency field MS DesigntaedFrequency.Wherein, utilize above-mentioned reserved field Reserver Octet, expand a MS Map info and realize that this utilizes this position updating request Location Updating Request message to carry the IMSI of this mobile phone terminal and the purpose of MDN relation.

204: after the base station controller receiving position update request Location Updating Request message, according to the Base Station Identification " A " of the mobile phone terminal X that wherein carries, IMSI and the MDN relation " 13300000001 and 460300903601751 " of the mobile phone terminal X that carries in this location update request message is dealt among the A of base station.

205: behind the IMSI and MDN relation " 460300903601751 and 13300000001 " of the mobile phone terminal X that base station A reception base station controller issues, preserve.

In this step 205, the base station can concern the VDB (Visit DateBase, accessing database) that is kept at self with mobile phone terminal IMSI and MDN when carrying out the preservation of IMSI and MDN relation, referring to table 3, the embodiment of the invention provides a kind of IMSI and MDN to concern the signal table.

Table 3

Mobile phone terminal	The MDN sign	The IMSI sign
			X	13300000001	460300903601751
Y	13300000002	460300903601752
			......	......	......

In like manner as can be known, base station B can successfully obtain the IMSI and the MDN relation of the mobile phone terminal of himself serving equally by base station controller, and method is similar, repeats no more.

In sum, realized before the transmission of Abis (or Iub) interface is interrupted (i.e. during normal operation), core network element is by the registration response message, IMSI and MDN mapping relations are issued to base station controller (BSC and RNC), base station controller is distributed to the base station again by Abis and Iub message, the purpose of the relation of current IMSI and MDN is noted by built-in VDB in the base station, has realized that successfully the base station obtains and preserve the IMSI and the MDN relation of mobile phone terminal.When Abis (or Iub) transmission interruption situation occurring, guaranteed each base station according to the IMSI of the mobile phone terminal that prestores and the relation of MDN mapping, the paging in the realization base station is specially:

S2: the beginning that the base station obtains mobile phone terminal is called for and asks, this beginning is carried the MDN sign of called mobile phone terminal in calling for and asking, inquire about IMSI and the MDN relation that self prestores according to the MDN sign of this called mobile phone terminal, obtain the IMSI sign of called mobile phone terminal, according to the IMSI sign of the terminal called that obtains, this terminal called of paging.Wherein, this step specific implementation thes contents are as follows:

For example, when the transmission of the Abis that the base station occurs (or Iub) interface is interrupted, when causing the transmission interruption of base station and core net, the schematic diagram that provides referring to Fig. 3 still, suppose that (its IMSI is designated " 460300903601752 " to mobile phone terminal Y, its phone number MDN is designated " 13300000002 "), this mobile phone terminal Y desires the mobile phone terminal X of paging, at this moment, the paging in the base station is realized according to IMSI that preserves and MDN relation in the base station, be that mobile phone terminal X is arrived in paging, to finish communicating by letter of mobile phone terminal Y and mobile phone terminal X, referring to Fig. 5, this paging is as follows:

301: mobile phone terminal Y sends initial call message to base station A, carries the phone number MDN sign " 13300000001 " of the mobile phone terminal X of its calling in this initial call message;

302: after base station A receives initial call message from mobile phone terminal Y, obtain the phone number MDN sign " 13300000001 " of the called mobile phone terminal X that wherein carries, inquiry IMSI of self record and MDN relation get access to this phone number " 13300000001 " and correspond to IMSI and be designated " 460300903601751 ".

303: base station A sends beep-page message according to the above-mentioned IMSI sign " 460300903601751 " that inquires to mobile phone terminal X.

304: when base station A successful call to mobile phone terminal X, realize communicating by letter of mobile phone terminal X and mobile phone terminal Y.

Wherein, when base station A successful call behind mobile phone terminal X, have no progeny by in the mutual Abis that realizes the base station (or Iub) the interface transmission, still can normally realize the communication between the mobile phone terminal, to reach the purpose that realizes emergency call in the base station.

Above-mentioned, the embodiment of the invention is with under the cdma system, the explanation that the communications interruption is carried out for example appears in the interface between base station and the base station controller, those skilled in the art can be known, similarly (wherein, the phone number under the gsm system is specially MSISDN to applicable cases under GSM or WCDMA (Wideband CDMA, broadband demal multiplex (MUX) transmission technology) system, phone number is specially UEISDN under the WCDMA system), repeat no more.

In sum, the method of the relation of obtaining IMSI and phone number that the embodiment of the invention provides, by base station before Abis and Iub transmission is interrupted (when promptly normally moving) in advance, get access to the IMSI and the MDN relation of preserving the mobile phone terminal of serving this base station in the core network element, in the transmission of Abis (or Iub) interface occurring, have no progeny, according to above-mentioned IMSI that obtains in advance and MDN relation, guarantee to call out in the base station, realize the communication in the base station.

The foregoing description, with the base station by before transmission is interrupted, getting access to the IMSI of the mobile phone terminal of self being served and the corresponding relation of phone number in advance, follow-up when occurring can realizing the paging in the base station under the isolated island situation of base station, satisfied the demand of mobile phone terminal communication in the base station.The inventor finds further, at embodiment 1, the IMSI of the mobile phone terminal that base station controller can also be served each base station that gets access to and the corresponding relation of phone number are preserved, the follow-up paging that can utilize between this base station controller realization base station, specific implementation is referring to following embodiment 2.

Embodiment 2

Referring to Fig. 6, the embodiment of the invention provides a kind of method that realizes terminal communication, be with the difference of embodiment 1, get access to the corresponding relation of the IMSI of mobile phone terminal and phone number at base station controller after, the corresponding relation that gets access to is preserved, thereby can realize the paging between the base station further, still be example with the cdma system, and this method thes contents are as follows:

C1: base station controller obtains and preserves the IMSI of mobile phone terminal of each base station and the corresponding relation of MDN; And the IMSI of the mobile phone terminal that obtains and the corresponding relation of MDN sent in each self-corresponding base station.

Wherein, this base station controller obtains the IMSI of mobile phone terminal of each base station and the corresponding relation of MDN, and is similar to Example 1, repeats no more.Still the schematic network structure that provides with Fig. 3 is an example, referring to table 4, provides a kind of base station controller to preserve the signal table of the corresponding relation of IMSI and MDN.

Table 4

Mobile phone terminal	The MDN sign	The IMSI sign
			X	13300000001	460300903601751
Y	13300000002	460300903601752
			Z	13300000003	460300903601753
W	13300000004	460300903601754
			......	......	......

As shown in table 4, the IMSI of each mobile phone terminal that it obtains under the base station controller records and the corresponding relation of MDN, and the corresponding relation of corresponding IMSI and MDN is handed down in the base station of each mobile phone terminal correspondence, present embodiment normally is an example with base station and base station controller transmission.

C2; The base station obtains the relation of the IMSI and the MDN of mobile phone terminal, and preserves.

Wherein, similar to Example 1 when above-mentioned steps C1, C2 specific implementation, referring to Fig. 7, provide the method flow diagram of the relation of obtaining IMSI and MDN:

401: mobile phone terminal sends position updating request Location Updating Request, carries cell identifier Cell Identification Discriminator, the IMSI sign of self and user area sign User Zone ID in this request;

402: mobile switching centre receives the position updating request Location Updating Request that mobile phone terminal sends, obtain the MDN of this IMSI correspondence according to the IMSI of the mobile phone terminal that wherein carries, and according to the cell identifier Cell Identification Discriminator that carries in this position updating request, send the position renewal to base station controller and accept LocationUpdating Accept, wherein, IMSI and the MDN relation of accepting to carry in the message this mobile phone terminal that obtains upgraded in this position, with cell identifier Cell Identification Discriminator.

403: base station controller receives the position renewal of mobile switching centre's transmission and accepts message, obtains the IMSI and the MDN relation of the mobile phone terminal that carries in this message; And, the IMSI of this mobile phone terminal and MDN relation are sent to the base station corresponding with this cell identifier according to the cell identifier Cell Identification Discriminator that wherein carries.

404: the base station obtains the IMSI of the mobile phone terminal that base station controller sends and the relation of MDN, preserves this IMSI and MDN relation.

C3: the base station receives the initial call message that mobile phone terminal sends, wherein, this beginning is carried the MDN sign of called mobile phone terminal in calling for and asking, inquire about IMSI and the MDN relation that self prestores according to the MDN sign of this called mobile phone terminal, judge whether to find the IMSI of called mobile phone terminal, if, execution in step C4 then; Otherwise, execution in step C5.

C4: the base station obtains the IMSI sign of called mobile phone terminal, according to the IMSI sign of the terminal called that obtains, this terminal called of paging.

Wherein, when the base station can get access to the IMSI sign of called mobile phone terminal, show this time to call out to be the calling in the base station.

C5: the base station is transmitted to base station controller with this initial call message.

C6: base station controller is inquired about the IMSI and the MDN relation that self prestore according to the MDN of the called mobile phone terminal of carrying in this initial call message sign, judges whether to find the IMSI of called mobile phone terminal, if, execution in step C7 then; Otherwise, execution in step C8.

C7: base station controller obtains the IMSI sign of called mobile phone terminal, according to the IMSI sign of the terminal called that obtains, this terminal called of paging.

At this moment, show and this time call out the paging that is specially between the base station, this step specific implementation can for: base station controller, can be realized by this base station, terminal called place during this terminal called of paging according to the IMSI sign of the terminal called that obtains.

C8: call failure, finish.

Still the schematic network structure that provides with Fig. 3 is an example, paging between above-mentioned realization base station is described, wherein, suppose that (its IMSI is designated " 460300903601752 " to mobile phone terminal Y, its phone number MDN is designated " 13300000002 "), this mobile phone terminal Y desires the mobile phone terminal W of paging, and referring to Fig. 8, this paging is as follows:

501: mobile phone terminal Y sends initial call message to base station A, carries the phone number MDN sign " 13300000004 " of the mobile phone terminal W of its calling in this initial call message;

502: after base station A receives initial call message from mobile phone terminal Y, obtain the phone number MDN sign " 13300000004 " of the called mobile phone terminal W that wherein carries, the IMSI of inquiry self record and MDN relation, judgement can't be inquired about the corresponding IMSI in these " 13300000004 ", and the base station is transmitted to base station controller with this initial call message.

503: base station controller is received this initial call message that base station A sends, and obtains the phone number " 13300000004 " that carries in this initial call message and corresponds to IMSI and be designated " 460300903601754 ".

504: base station controller sends beep-page message by base station B to mobile phone terminal W according to the above-mentioned IMSI sign " 460300903601754 " that inquires.

505:, realize communicating by letter of mobile phone terminal W and mobile phone terminal Y when base station controller passes through base station B successful call behind mobile phone terminal W.

Wherein, when base station A successful call behind mobile phone terminal X, have no progeny in the transmission of Access Network and core net by mutual the realization, still can normally realize the communication between the mobile phone terminal between the base station, to reach the purpose that realizes emergency call between the base station.

Above-mentioned, the embodiment of the invention is the explanation that example is carried out with the cdma system, those skilled in the art can be informed in GSM or WCDMA (Wideband CDMA, broadband demal multiplex (MUX) transmission technology) applicable cases under the system similarly (wherein, phone number under the gsm system is specially MSISDN, phone number is specially UEISDN under the WCDMA system), repeat no more.

In sum, the method of the realization terminal communication that the embodiment of the invention provides, obtain and preserve the IMSI and the MDN relation of the mobile phone terminal of each base station that core network element issues serving in advance by base station controller, in the transmission that Access Network and core net occur, have no progeny, according to above-mentioned IMSI that obtains in advance and MDN relation, guarantee between the base station, the calling the base station in, between the realization base station, the communication in the base station.

The foregoing description 2, preserve the IMSI and the phone number of the mobile phone terminal of being served each base station with base station controller, and IMSI and phone number that the mobile phone terminal of self serving also can be preserved in each base station are the explanation that example is carried out, promptly can realize paging in the base station by each base station, by the paging between base station controller realization base station, following embodiment 3, further, a kind of method that realizes terminal communication is provided, only obtain and preserve the IMSI of the mobile phone terminal of serving each base station and the corresponding relation of phone number by base station controller, promptly can realize in the base station, paging between the base station sees also following embodiment 3:

Embodiment 3

Referring to Fig. 9, the embodiment of the invention provides a kind of method that realizes terminal communication, the relation of the IMSI and the phone number of the mobile phone terminal of serving each base station is only obtained and preserve to this method by base station controller, promptly can realize the paging in the base station, between the base station, with the gsm system is example, correspondingly phone number is specially MSISDN, and particular content sees for details hereinafter to be described:

D1: base station controller obtains the relation of the IMSI and the MSISDN of the mobile phone terminal of preserving in the core network element.Wherein, be implemented as follows:

Scheme one: still can adopt the method for the foregoing description 1 and embodiment 2, realize that base station controller obtains the relation of the IMSI and the MSISDN of the mobile phone terminal of preserving in the core network element, situation is similar to be repeated no more.

Scheme two: base station controller can send IMSI and MSI SDN relationship request message to core network element, the IMSI and the MSISDN relationship request message that send according to base station controller of core network element then sends to base station controller with the IMSI that self preserves and the relation of MSISDN; Base station controller obtains the relation of the IMSI and the MSISDN of the mobile phone terminal that carries in this issuing message by the core network element issuing message.

The embodiment of the invention does not limit base station controller obtains the relation of the IMSI of the mobile phone terminal of preserving and MSISDN in core network element specific implementation.

D2: base station controller is preserved the IMSI of the mobile phone terminal that obtains and the relation of MSISDN.

Those skilled in the art can be known, when transmission between base station and the base station controller is broken down, base station controller can't be handed down to the corresponding relation of the IMSI that obtains and MDN the base station of each mobile phone terminal correspondence, to illustrate how to utilize base station controller to realize between the base station and the paging in the base station, particular content is as follows below:

At first, base station controller obtains the initial call message that the caller mobile phone terminal sends, and carries the MSISDN of the called mobile phone terminal of its calling in this initial call message;

Then, base station controller is inquired about the IMSI of the mobile phone terminal of self preserving and the relation of MSISDN according to the MSISDN of called mobile phone terminal, obtains the IMSI of this called mobile phone terminal;

Secondly, base station controller sends beep-page message according to the IMSI of this called mobile phone terminal of obtaining to this called mobile phone terminal.

At last, the base station controller paging realizes communicating by letter of caller mobile phone terminal and called mobile phone terminal to this called mobile phone terminal.

Wherein, above-mentioned caller mobile phone terminal and called mobile phone terminal can be positioned under the sub-district of serving same base station, and this moment, base station controller was realized is paging in the base station; Above-mentioned caller mobile phone terminal can also be positioned under the sub-district of serving different base stations with the called mobile phone terminal, and this moment, base station controller was realized is paging between the base station.

The schematic network structure that provides with Figure 10 is an example, and as shown in the figure, mobile phone terminal M, mobile phone terminal N are positioned under the MN of base station, mobile phone terminal Q, mobile phone terminal P are positioned under the QP of base station, wherein, the IMSI that supposes mobile phone terminal M is 460000903601751, and its phone number MSISDN is 1350000001; The IMSI of mobile phone terminal N is 460000903601752, and its phone number MSISDN is 1350000002; The IMSI of mobile phone terminal Q is 460000903601753, and its phone number MSISDN is 1350000003; The IMSI of mobile phone terminal P is 460000903601754, and its phone number MSISDN is 1350000004; Transmission between base station and the base station controller is interrupted, and desiring paging mobile phone terminal P with mobile phone terminal M is that example describes, and referring to Figure 11, thes contents are as follows:

601: mobile phone terminal M sends initial call message to base station controller, carries the phone number MDN sign " 1350000004 " of the mobile phone terminal P of its calling in this initial call message;

602: after base station controller is received initial call message from mobile phone terminal M, obtain the phone number MDN sign " 1350000004 " of the called mobile phone terminal P that wherein carries, inquiry IMSI of self record and MDN relation are obtained the phone number " 13500000004 " that carries in this initial call message and are corresponded to IMSI and be designated " 460000903601754 ".

603: base station controller sends beep-page message according to the above-mentioned IMSI sign " 460000903601754 " that inquires to mobile phone terminal P.

604: when the base station controller successful call behind mobile phone terminal P, realize communicating by letter of mobile phone terminal M and mobile phone terminal P.

Above-mentioned steps 601 to 604 in like manner as can be known, can also realize mobile phone terminal M success paging mobile phone terminal N by base station controller to realize that by base station controller the page communication between the base station is an example, promptly realizes the page communication in the base station, and method is similar, repeats no more.

Above-mentioned, the embodiment of the invention is the explanation that example is carried out with the gsm system, and those skilled in the art can be informed in applicable cases under CDMA or the WCDMA system, and similarly (wherein, phone number is specially MDN under the cdma system; Phone number is specially UEISDN under the WCDMA system), method is similar, repeats no more.

In sum, the method of the realization terminal communication that the embodiment of the invention provides, obtain and preserve the IMSI and the MDN relation of the mobile phone terminal of each base station that core network element issues serving in advance by base station controller, in the transmission that Access Network and core net occur, have no progeny, and during the transmission terminal of base station and base station controller, can guarantee between the base station according to the above-mentioned IMSI that obtains in advance and MDN relation, the calling the base station in, between the realization base station, the communication in the base station.

Embodiment 4

Referring to Figure 12, the embodiment of the invention provides the system that realizes terminal communication, and system comprises: access network elements and core network element 702, wherein,

Access network elements 701 was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements 701 of preserving in the core network element 702 served and the relation of number, and preservation relation; Also be used for having no progeny,, realize the communication call of terminal according to the IMSI that preserves in the access network elements 701 and the relation of number when communications occurring;

Core network element 702 is used to provide the global portable terminal identification code IMSI of terminal and the relation of phone number.

(1) when access network elements 701 is specially base station controller,

Base station controller is used for sending to core network element 702 and obtains request, and the request of obtaining is used for the IMSI of the terminal that this base station controller of acquisition request served and the relation of number; And be used to receive the response of obtaining that core network element 702 returns, obtain the IMSI that carries the terminal of preserving in the core network element 702 in the response and the relation of number; And the beginning that is used to receive calling terminal call for and ask, the beginning is carried the number of terminal called in calling for and asking; According to the number of terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, obtain the IMSI of terminal called; According to the IMSI of the terminal called that obtains, send beep-page message to terminal called, realize the communication call of calling terminal and terminal called.

When access network elements 701 is specially base station controller,

Base station controller, being used to receive position that core network element 702 sends upgrades and accepts message, the IMSI of the terminal that the position upgrades the cell ID accept to carry in the message service terminal, obtain and the relation of phone number are obtained the IMSI that upgrades the terminal that the core network element 702 accepting to carry in the message sends in the position and the relation of number; And the beginning that is used to receive calling terminal call for and ask, the beginning is carried the number of terminal called in calling for and asking; According to the number of terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, obtain the IMSI of terminal called; According to the IMSI of the terminal called that obtains, send beep-page message to terminal called, realize the communication call of calling terminal and terminal called.

(2) specifically comprise when access network elements 701: base station controller and base station, wherein,

Base station controller is used for obtaining the global portable terminal identification code IMSI of the terminal that this base station controller that core network element 702 preserves serves and the relation of number, and preservation relation; And be used for cell ID according to terminal, send the global portable terminal identification code IMSI of the terminal of serving this base station and the relation of number to the base station of cell ID correspondence; The beginning that also is used to receive the calling terminal of transmitting the base station is called for and asks, number according to terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, IMSI according to the terminal called that obtains, send beep-page message to terminal called, the communication call of calling terminal and terminal called between the realization base station;

The base station is used to receive the global portable terminal identification code IMSI of the terminal of this base station that base stations control sends serving and the relation of number, and preservation relation, and the beginning that also is used to receive calling terminal is called for and asks, and the beginning is carried the number of terminal called in calling for and asking; According to the number of terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, judge whether to obtain the IMSI of terminal called; If then the base station sends beep-page message according to the IMSI of the terminal called that obtains to terminal called, realize the communication call of calling terminal and terminal called in the base station, otherwise, the beginning of calling terminal called for to ask be transmitted to base station controller.

(3) be specially the base station when access network elements 701;

The base station is used to obtain and preserve the relation of the IMSI and the number of the terminal of serving this base station; The beginning that also is used to receive calling terminal is called for and asks, and the beginning is carried the number of terminal called in calling for and asking;

According to the number of terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, the IMSI of the terminal called that obtains;

The base station sends beep-page message according to the IMSI of the terminal called that obtains to terminal called, the communication call of calling terminal and terminal called in the realization base station.

To sum up, the realization terminal communication that the embodiment of the invention provides system, by access network elements (base station controller, the base station) obtains and preserves the IMSI and the MDN relation of the mobile phone terminal of each base station that core network element issues serving in advance, in the transmission that Access Network and core net occur, have no progeny, and during the transmission terminal of base station and base station controller, can be according to above-mentioned IMSI that obtains in advance and MDN relation, guarantee between the base station, the calling the base station in, between the realization base station, the communication in the base station.

Embodiment 3

Referring to Figure 13, the embodiment of the invention provides a kind of access network elements, and access network elements comprises:

Acquisition module 801 was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number;

Preserve module 802, be used to preserve the relation that acquisition module 801 obtains;

Paging module 803 is used for having no progeny when communications occurring, according to the IMSI that preserves the module preservation and the relation of number, realizes the communication call of terminal.

Wherein, access network elements is specially base station controller,

Acquisition module 801 specifically comprises:

Transmitting element is used for sending to core network element and obtains request, and the request of obtaining is used for the IMSI of the terminal that this base station controller of acquisition request served and the relation of number;

Receiving element is used to receive the response of obtaining that core network element returns, and obtains the IMSI that carries the terminal of preserving in the core network element in the response and the relation of number;

Or acquisition module 801 is specially:

Acquiring unit, being used to receive position that mobile switching centre sends upgrades and accepts message, the IMSI of the terminal that the position upgrades the cell ID accept to carry in the message service terminal, obtain and the relation of phone number are obtained the IMSI that upgrades the terminal that the core network element accepting to carry in the message sends in the position and the relation of number.

Further, base station controller also comprises forwarding module, is used for accepting the cell ID that message is carried service terminal according to the position renewal, sends the relation of the IMSI and the number of this terminal of serving in the base station to the base station of cell ID correspondence; Correspondingly, paging module 803 is specially:

Paging unit, the beginning that is used to receive the calling terminal of transmitting the base station is called for and asks, and calls for the phone number that carries terminal called in asking according to the beginning, and inquiry comprises the IMSI of terminal of preservation and the relation of phone number, obtains the IMSI of terminal called; According to the IMSI of the terminal called that obtains, send beep-page message to terminal called, realize the communication call of calling terminal and terminal called.

Wherein, access network elements is specially the base station,

Acquisition module 803 is specially:

Receiving element is used to receive the IMSI of the terminal of this base station that base station controller sends serving and the relation of number.

To sum up, the access network elements that the embodiment of the invention provides, by access network elements (base station controller, the base station) obtains and preserves the IMSI and the MDN relation of the mobile phone terminal of each base station that core network element issues serving in advance, in the transmission that Access Network and core net occur, have no progeny, and during the transmission terminal of base station and base station controller, can be according to above-mentioned IMSI that obtains in advance and MDN relation, guarantee between the base station, the calling the base station in, between the realization base station, the communication in the base station.

Embodiment 5

Referring to Figure 14, the embodiment of the invention provides a kind of core network element, and core network element comprises:

Ask receiver module 901, be used for the position updating request of receiving terminal, carry the cell ID of service terminal, the IMSI of terminal in the position updating request;

Concern acquisition module 902, be used for IMSI, obtain the phone number of IMSI correspondence according to terminal;

Sending module 903, be used for after concerning that acquisition module 902 gets access to the phone number of IMSI correspondence, send the position to base station controller and upgrade and accept, carry the IMSI of the cell ID of service terminal, the terminal obtained and the relation of phone number during the position is upgraded and accepted.

Wherein, this core network element is specially: mobile Switching Service center MSC.

To sum up, the core network element that the embodiment of the invention provides, successfully realize obtaining the IMSI of the mobile phone terminal that access network elements serves and the relation of phone number by network element, thereby realize follow-up when going out in the communications to have no progeny, relation according to above-mentioned IMSI that obtains in advance and phone number, guarantee to call out between the base station and in the base station, realize between the base station and the communication in the base station.

To sum up, the technical scheme that the embodiment of the invention provides, obtain and preserve the IMSI and the MDN relation of the mobile phone terminal of each base station that core network element issues serving in advance by access network elements (base station controller and base station), in the transmission that Access Network and core net occur, have no progeny, and during the transmission terminal of base station and base station controller, can guarantee between the base station according to the above-mentioned IMSI that obtains in advance and MDN relation, the calling the base station in, between the realization base station, the communication in the base station.

" reception " speech in the embodiment of the invention can be understood as and initiatively obtains from other modules also can be to receive the information that other modules are sent.

It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, module in the accompanying drawing or flow process might not be that enforcement the present invention is necessary.

It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.

The invention described above embodiment sequence number is not represented the quality of embodiment just to description.

Part steps in the embodiment of the invention can utilize software to realize that corresponding software programs can be stored in the storage medium that can read, as CD or hard disk etc.

The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (22)

1. a method that realizes terminal communication is characterized in that, described method comprises:

Before communications was interrupted, access network elements obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number, and preserves described relation;

In described communications occurring, have no progeny,, realize the communication call of terminal according to the relation of IMSI that preserves in the described access network elements and number.

2. the method for claim 1 is characterized in that, described access network elements is specially base station controller; Described access network elements obtains the step of the relation of the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and number, is specially:

Base station controller sends the request of obtaining to core network element, and the described request of obtaining is used for the IMSI of the terminal that this base station controller of acquisition request served and the relation of number;

Receive the response of obtaining that described core network element returns, the described IMSI that carries the terminal of preserving in the described core network element in the response and the relation of number obtained.

3. the method for claim 1 is characterized in that, described access network elements is specially base station controller; Described access network elements obtains the step of the relation of the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and number, is specially:

Described base station controller receives the position renewal of core network element transmission and accepts message, the IMSI of the described terminal that described position upgrades the cell ID of accepting to carry in the message the described terminal of service, obtain and the relation of phone number are obtained the IMSI that upgrades the described terminal that the described core network element accepting to carry in the message sends in described position and the relation of number.

4. as claim 2 or 3 described methods, it is characterized in that described relation according to IMSI that preserves in the described access network elements and number realizes that the step of the communication call of terminal is specially:

The beginning that described base station controller receives calling terminal is called for and asks, and the described beginning is carried the number of terminal called in calling for and asking;

According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, obtain the IMSI of described terminal called;

According to the IMSI of the described terminal called that obtains, send beep-page message to described terminal called, realize the communication call of described calling terminal and described terminal called.

5. the method for claim 1, it is characterized in that, described access network elements specifically comprises: base station controller and base station, described access network elements obtains the step of the relation of the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and number, specifically comprises:

Described base station controller obtains the global portable terminal identification code IMSI of the terminal that this base station controller of preserving in the core network element serves and the relation of number, and preserves described relation;

Described base station controller sends the global portable terminal identification code IMSI of the terminal of serving this base station and the relation of number according to the cell ID of terminal to the base station of described cell ID correspondence;

Described base station receives the global portable terminal identification code IMSI of the terminal of this base station that described base stations control sends serving and the relation of number, and preserves described relation.

6. method as claimed in claim 5 is characterized in that, described relation according to IMSI that preserves in the described access network elements and number, and the step of the communication call of realization terminal specifically comprises:

The beginning that described base station receives calling terminal is called for and asks, and the described beginning is carried the number of terminal called in calling for and asking;

According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, judge whether to obtain the IMSI of described terminal called; If then described base station sends beep-page message according to the IMSI of the described terminal called that obtains to described terminal called, the communication call of described calling terminal and described terminal called in the realization base station.

7. method as claimed in claim 6 is characterized in that, when the judgement of described base station can not be obtained the IMSI of described terminal called, described method also comprised:

Described base station is called for the beginning of described calling terminal to ask and is transmitted to described base station controller; Described base station controller is according to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, according to the IMSI of the described terminal called that obtains, send beep-page message to described terminal called, the communication call of described calling terminal and described terminal called between the realization base station.

8. the method for claim 1, it is characterized in that, described access network elements is specially the base station, and described access network elements obtains the step of the relation of the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and number, comprises before:

Described base station controller receives position that core network element sends and upgrades and receive message, the IMSI of the described terminal that described position upgrades the cell ID of accepting to carry in the message described terminal, obtain and the relation of number;

According to the cell ID of described terminal, send the relation of the IMSI and the number of described terminal to the base station of described cell ID correspondence;

Correspondingly, described access network elements obtains the step of the relation of the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and number, is specially:

Described base station obtains and preserves the IMSI of the terminal that described base station controller sends and the relation of number.

9. method as claimed in claim 8 is characterized in that, described relation according to IMSI that preserves in the described access network elements and number realizes that the step of the communication call of terminal is specially:

The beginning that described base station receives calling terminal is called for and asks, and the described beginning is carried the number of terminal called in calling for and asking;

According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, the IMSI of the terminal called that obtains;

Described base station sends beep-page message according to the IMSI of the terminal called that obtains to described terminal called, the communication call of described calling terminal and described terminal called in the realization base station.

10. the method for claim 1 is characterized in that, described communications interrupts being specially:

The interface communication transmission of described base station and described base station controller is interrupted, and/or, the communication disruption of described core net and described base station controller.

11. the method for claim 1 is characterized in that, described number is specially:

The phone number MDN of code division multiple access CDMA mobile phone terminal, or, the phone number MSISDN of global system for mobile communications GSM mobile handset terminal, or the phone number UEISDN of broadband demal multiplex (MUX) transmission technology WCDMA mobile phone terminal.

12. a system that realizes terminal communication is characterized in that, described system comprises: access network elements and core network element,

Described access network elements was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number, and preserved described relation; Also be used for having no progeny,, realize the communication call of terminal according to the relation of IMSI that preserves in the described access network elements and number when described communications occurring;

Described core network element is used to provide the global portable terminal identification code IMSI of terminal and the relation of phone number.

13. system as claimed in claim 12 is characterized in that, described access network elements is specially base station controller,

Described base station controller is used for sending the request of obtaining to described core network element, and the described request of obtaining is used for the IMSI of the terminal that this base station controller of acquisition request served and the relation of number; And be used to receive the response of obtaining that described core network element returns, the described IMSI that carries the terminal of preserving in the described core network element in the response and the relation of number obtained; And the beginning that is used to receive calling terminal call for and ask, the described beginning is carried the number of terminal called in calling for and asking; According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, obtain the IMSI of described terminal called; According to the IMSI of the described terminal called that obtains, send beep-page message to described terminal called, realize the communication call of described calling terminal and described terminal called.

14. system as claimed in claim 12 is characterized in that, described access network elements is specially base station controller,

Described base station controller, being used to receive position that described core network element sends upgrades and accepts message, the IMSI of the described terminal that described position upgrades the cell ID of accepting to carry in the message the described terminal of service, obtain and the relation of phone number are obtained the IMSI that upgrades the described terminal that the described core network element accepting to carry in the message sends in described position and the relation of number; And the beginning that is used to receive calling terminal call for and ask, the described beginning is carried the number of terminal called in calling for and asking; According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, obtain the IMSI of described terminal called; According to the IMSI of the described terminal called that obtains, send beep-page message to described terminal called, realize the communication call of described calling terminal and described terminal called.

15. system as claimed in claim 12 is characterized in that, described access network elements specifically comprises: base station controller and base station, wherein,

Described base station controller is used for obtaining the global portable terminal identification code IMSI of the terminal that this base station controller that described core network element preserves serves and the relation of number, and preserves described relation; And be used for cell ID according to terminal, send the global portable terminal identification code IMSI of the terminal of serving this base station and the relation of number to the base station of described cell ID correspondence; The beginning that also is used to receive the described calling terminal of transmitting described base station is called for and asks, number according to described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, IMSI according to the described terminal called that obtains, send beep-page message to described terminal called, the communication call of described calling terminal and described terminal called between the realization base station;

Described base station, be used to receive the global portable terminal identification code IMSI of the terminal of this base station that described base stations control sends serving and the relation of number, and preserve described relation, and the beginning that also is used to receive calling terminal is called for and asks, and the described beginning is carried the number of terminal called in calling for and asking; According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, judge whether to obtain the IMSI of described terminal called; If, then described base station sends beep-page message according to the IMSI of the described terminal called that obtains to described terminal called, the communication call of described calling terminal and described terminal called in the realization base station, otherwise, the beginning of described calling terminal called for to ask be transmitted to described base station controller.

16. system as claimed in claim 12 is characterized in that, described access network elements is specially the base station;

Described base station is used to obtain and preserve the relation of the IMSI and the number of the terminal of serving this base station; The beginning that also is used to receive calling terminal is called for and asks, and the described beginning is carried the number of terminal called in calling for and asking;

According to the number of described terminal called, inquire about the IMSI of the terminal of self preserving and the relation of number, the IMSI of the terminal called that obtains;

Described base station sends beep-page message according to the IMSI of the terminal called that obtains to described terminal called, the communication call of described calling terminal and described terminal called in the realization base station.

17. an access network elements is characterized in that, described access network elements comprises:

Acquisition module was used for before communications is interrupted, and obtained the global portable terminal identification code IMSI of the terminal that this access network elements of preserving in the core network element serves and the relation of number;

Preserve module, be used to preserve the relation that described acquisition module obtains;

The paging module is used for having no progeny when described communications occurring, according to the IMSI of described preservation module preservation and the relation of number, realizes the communication call of terminal.

18. access network elements as claimed in claim 17 is characterized in that, described access network elements is specially base station controller,

Described acquisition module specifically comprises:

Transmitting element is used for sending the request of obtaining to described core network element, and the described request of obtaining is used for the IMSI of the terminal that this base station controller of acquisition request served and the relation of number;

Receiving element is used to receive the response of obtaining that described core network element returns, the described IMSI that carries the terminal of preserving in the described core network element in the response and the relation of number obtained;

Or described acquisition module is specially:

Acquiring unit, being used to receive position that mobile switching centre sends upgrades and accepts message, the IMSI of the described terminal that described position upgrades the cell ID of accepting to carry in the message the described terminal of service, obtain and the relation of phone number are obtained the IMSI that upgrades the described terminal that the described core network element accepting to carry in the message sends in described position and the relation of number.

19. access network elements as claimed in claim 17, it is characterized in that, described base station controller also comprises forwarding module, be used for accepting the cell ID that message is carried the described terminal of service, send the relation of the IMSI and the number of this terminal of serving to the base station of described cell ID correspondence in the base station according to the renewal of described position;

Correspondingly, described paging module is specially:

Paging unit, the beginning that is used to receive the calling terminal of transmitting described base station is called for and asks, call for the phone number that carries terminal called in asking according to the described beginning, inquire about the IMSI of the described terminal that comprises preservation and the relation of phone number, obtain the IMSI of described terminal called; According to the IMSI of the described terminal called that obtains, send beep-page message to described terminal called, realize the communication call of described calling terminal and described terminal called.

20. access network elements as claimed in claim 17 is characterized in that, described access network elements is specially the base station,

Described acquisition module is specially:

Receiving element is used to receive the IMSI of the terminal of this base station that base station controller sends serving and the relation of number.

21. a core network element is characterized in that, described core network element comprises:

Ask receiver module, be used for the position updating request of receiving terminal, carry the cell ID of the described terminal of service, the IMSI of described terminal in the described position updating request;

Concern acquisition module, be used for IMSI, obtain the phone number of described IMSI correspondence according to described terminal;

Sending module, be used for when described concern that acquisition module gets access to the phone number of described IMSI correspondence after, send the position to base station controller and upgrade and accept, carry the IMSI of the cell ID of the described terminal of service, the described terminal obtained and the relation of phone number during described position is upgraded and accepted.

22. network element as claimed in claim 21 is characterized in that, described network element is specially:

Mobile Switching Service center MSC.

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