CN107113585B

CN107113585B - A kind of method and apparatus for establishing calling

Info

Publication number: CN107113585B
Application number: CN201580057601.9A
Authority: CN
Inventors: 金辉; 衣强; 段小嫣; 欧阳国威; 何岳
Original assignee: Huawei Technologies Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2015-11-13
Filing date: 2015-11-13
Publication date: 2019-10-25
Anticipated expiration: 2035-11-13
Also published as: WO2017079977A1; CN107113585A

Abstract

The embodiment of the invention provides a kind of method and apparatus for establishing calling to lower the seriousness of consequence caused by car accident for reducing the duration that PSAP calls back.This method, comprising: terminal obtains the mobile terminal routing number MSRN that the first core network entity is the terminal distribution when initiating urgency traffic；The MSRN is sent to by the terminal is used to provide the second core network entity of urgency traffic, in order to which second core network entity is when needing to the terminal originated calls, is established and is called based on the MSRN and the terminal.

Description

A kind of method and apparatus for establishing calling

Technical field

The present invention relates to field of communication technology more particularly to a kind of method and apparatus for establishing calling.

Background technique

Urgent call (English: emergency call, referred to as: eCall) refer to when accident occurs for vehicle, it is used by vehicle Family is manual or vehicle starts emergency call automatically, and the smallest emergency related data is (English: emergency related Data, referred to as: MSD) be sent to public safety answering point (English: public safety answering points, referred to as: ) or the emergency call center of other setting PSAP.It include vehicle, passengers inside the car and accident related data etc. in MSD.

In existing eCall scheme, vehicle mobile terminal passes through packet switch (English: Packet Switch, abbreviation: PS) After MSD is sent to PSAP by domain, PSAP calls back number to vehicle mobile terminal.Wherein PSAP is previously stored with vehicle trouble When the telephone number that calls back.General PSAP is a fixed-line telephone, therefore PSAP to vehicle mobile terminal calls back to use It is the scheme that existing fixed network user makes a phone call to mobile subscriber.

The process that existing fixed network user makes a phone call to mobile subscriber is as follows:

A1, fixed network user's equipment (English: User Equipment, abbreviation: UE) 1 pass through Public Switched Telephone Network (English Text: Public Switched Telephone Network, referred to as: PSTN) to mobile subscriber equipment UE2 initiate call request, The call request according to called number be routed to fixed network Gateway Mobile Switching Center corresponding with the interface of mobile network (English: Gateway Mobile Switching Center, referred to as: GMSC), called number is the telephone number of UE2.

A2, GMSC determine the home location register (English: Home of UE2 according to the telephone number of UE2 LocationRegister, referred to as: HLR), and the first request message for being used for request route information is sent to the HLR, this Called number is carried in one request message.

After A3, HLR receive the first request message, according to the telephone number of UE2, the international mobile subscriber for obtaining UE2 is known Other code (English: International Mobile Subscriber Identification Number, abbreviation: IMSI), and Determining is currently the mobile switching centre of UE2 service (English: Mobile Switching Center, abbreviation: MSC).

A4, HLR send request mobile terminal routing number (English: Mobile Station roaming to the MSC The second request message Number, referred to as: MSRN), the IMSI of UE2 is carried in second request message.

A5, the MSC after receiving second request message, for the UE2 distribute MSRN, and record MSRN and The corresponding relationship of IMSI.

A6, the MSC return to the MSRN to HLR.

A7, HLR return to MSRN to GMSC.

A8, GMSC send third request message according to MSRN, Xiang Suoshu MSC, which carries the MSRN.

A9, the MSC determine the IMSI of the corresponding UE2 of MSRN according to the corresponding relationship of the MSRN and IMSI of record.

A10, the MSC send paging (paging) message to the corresponding TMSI of the UE2.

A11, UE2 reply page response (paging response) message to the MSC.

A12, the MSC send to UE2 and establish (Setup) message.

A13, after the UE2 is answered, Xiang Suoshu MSC replys connection (connection) message

A14, the MSC totally disappeared breath (English: address complete message, letter to the GMSC return address Claim: ACM) message.

A15, the GMSC reply confirmation message to UE1.

From above-mentioned process it is found that currently existing scheme obtains MSRN during clawback, virtually increases and call back Duration increases the seriousness of consequence caused by car accident.

Summary of the invention

The embodiment of the invention provides it is a kind of establish calling method and apparatus, for reducing PSAP call back when It is long, lower the seriousness of consequence caused by car accident.

In a first aspect, the embodiment of the invention provides a kind of methods for establishing calling, comprising:

Terminal obtains the mobile terminal routing number that the first core network entity is the terminal distribution when initiating urgency traffic Code MSRN；

The MSRN is sent to by the terminal is used to provide the second core network entity of urgency traffic, in order to described Two core network entities are established based on the MSRN and the terminal and are called when needing to the terminal originated calls.

With reference to first aspect, in the first possible implementation of the first aspect, obtaining the first core network entity is The MSRN of the terminal distribution, comprising:

The terminal sends the first login request message for being used for Emmergency log-on to first core network entity, and described the The first instruction information for obtaining MSRN is carried in one login request message；

What the terminal received the first core network entity transmission is the terminal point based on the first instruction information The MSRN matched.

With reference to first aspect, in the second possible implementation of the first aspect, obtaining the first core network entity is The MSRN of the terminal distribution, comprising:

The terminal sends the second login request message for carrying out urgency traffic to third core network entity, and described Carry second indication information in two login request messages, the second indication information be used to indicate the third core network entity to First core network entity obtains the MSRN of terminal；

The terminal receives the MSRN that the third core network entity is sent, and the MSRN is first core network entity It is the terminal after receiving the request message generated based on the second indication information that the third core network entity is sent The MSRN of distribution, and it is sent to the third core network entity.

With reference to first aspect, in a third possible implementation of the first aspect, obtaining the first core network entity is The MSRN of the terminal distribution, comprising:

The terminal sends third instruction information during the Deta bearer for carrying out urgency traffic is established in request Third core network entity is given, it is real to first core net that the third instruction information is used to indicate the third core network entity Body obtains MSRN；

The terminal receives the MSRN of the transmission of the third core network entity, and the MRSN is that first core net is real Body is described after receiving the request message generated based on third instruction information that the third core network entity is sent The MSRN of terminal distribution, and it is sent to the third core network entity.

With reference to first aspect with the first any one into the third possible implementation of first aspect, In 4th kind of possible implementation of one side, the first core network entity is obtained also to wrap before the terminal distribution MSRN It includes:

The terminal determination can not reside in ownership place mobile operator network.

Second aspect, the embodiment of the invention provides a kind of methods for establishing calling, comprising:

When the second core network entity for providing urgency traffic is to terminal originated calls, the 4th core network entity is received The call request message that second core network entity is sent；

4th core network entity determines that the call request message carries the MSRN of the terminal, the MSRN be Second core network entity is sent to second core network entity by the terminal to before the terminal originated calls.

4th core network entity continues to execute the call flow to the terminal based on the MSRN.

In conjunction with second aspect, in the first possible implementation of the second aspect, the 4th core network entity is true The fixed call request message carries the MSRN of the terminal, comprising:

4th core network entity determines that calling party is second core network entity, it is determined that the call request disappears Breath carries the MSRN of the terminal；Alternatively,

4th core network entity determines in the call request message also to carry and is used to indicate the call request and disappears The instruction information of MSRN is carried in breath, it is determined that the call request message carries the terminal MS RN.

In conjunction with the possible implementation of the first of second aspect or second aspect, second in second aspect is possible In implementation, the MSRN is carried in the call request message as called number.

In conjunction with second aspect, in the third possible implementation of the second aspect, the 4th core network entity is true The fixed call request message carries the MSRN of the terminal, comprising:

The call request message carries called number, the format of the 4th core network entity based on the called number Determine that the called number is the MSRN of the terminal.

In conjunction with any one of the first of second aspect and second aspect into the third possible implementation, In 4th kind of possible implementation of two aspects, the 4th core network entity is based on the MSRN and continues to execute to the end The call flow at end, comprising:

4th core network entity is determined as the first core network entity of the terminal service according to the MSRN, and to First core network entity sends call request message；

The MSRN is that first core network entity is the terminal distribution, and is sent to the terminal.

The third aspect, the embodiment of the invention provides a kind of methods for establishing calling, comprising:

First core network entity receives the request message for obtaining the mobile terminal routing number MSRN of terminal；

First core network entity determines the identification code of the terminal described for identification, and is the terminal distribution MSRN, And establish the corresponding relationship of the identification code of the MSRN and the terminal；

Call request of first core network entity in the carrying MSRN for receiving the transmission of the 4th core network entity After message, the knowledge of the corresponding terminal of the MSRN is determined based on the MSRN and the corresponding relationship of the identification code of the terminal Other code；

First core network entity continues to execute call flow based on the identification code of the terminal.

In conjunction with the third aspect, in the first possible implementation of the third aspect, the request message carrying is used for Obtain the instruction information of the mobile terminal routing number MSRN of terminal.

In conjunction with the possible implementation of the first of the third aspect or the third aspect, second in the third aspect is possible In implementation, further includes:

First core network entity is received for identifying the identification information for carrying out urgency traffic；

Before being the terminal distribution MSRN based on the request message, further includes:

First core network entity is based on the identification information and is determined as the terminal distribution MSRN for urgency traffic.

In conjunction with the first of the third aspect and the third aspect to second of possible implementation, in the third of the third aspect In the possible implementation of kind, first core network entity determines the identification code of the terminal described for identification, comprising:

First core network entity receives the international mobile subscriber identification for the terminal that third core network entity is sent Code IMSI；Alternatively,

First core network entity receives the mobile terminal international identity for the terminal that third core network entity is sent Code IMEI, it is the terminal distribution interim identity TMSI that first core network entity, which is based on the IMEI,；Alternatively,

First core network entity receives the IMEI for the terminal that the terminal is sent, and first core net is real It is the terminal distribution interim identity TMSI that body, which is based on the IMEI,.

Fourth aspect, the embodiment of the invention provides a kind of methods for establishing calling, comprising:

Third core network entity receives the first request message for being used to carry out urgency traffic that terminal is sent, and the request disappears The instruction information for obtaining the mobile terminal routing number MSRN of the terminal is carried in breath；

The third core network entity is based on the instruction information and generates the second request message, and second request is disappeared Breath is sent to the first core network entity；Second request message is used to indicate first core network entity as the terminal point With MSRN；

It is the end that the third core network entity, which receives first core network entity and is based on second request message, The MSRN of distribution is held, and the MSRN is sent to the terminal.

In conjunction with fourth aspect, in the first possible implementation of the fourth aspect, first request message is note Volume request message, the identification information that urgency traffic is carried out for identifying terminal is carried in the login request message；Alternatively,

First request message is that the Deta bearer established for carrying out urgency traffic is requested, the Deta bearer request Middle carrying is used to indicate the identification information that terminal carries out urgency traffic.

5th aspect, the embodiment of the invention provides a kind of methods for establishing calling, comprising:

Second core network entity receives the mobile terminal routing number MSRN that terminal is sent；

Second core network entity is asked when needing to the terminal originated calls based on the calling for carrying the MSRN Ask message to the terminal originated calls.

It is taken in the call request message in the first possible implementation of the 5th aspect in conjunction with the 5th aspect The MSRN of the band as called number.

In conjunction with the first possible implementation of the 5th aspect or the 5th aspect, second at the 5th aspect is possible It is also carried in implementation, in the call request message and is used to indicate the instruction letter for carrying MSRN in the call request message Breath.

6th aspect, the embodiment of the invention provides a kind of equipment for establishing calling, and the equipment application is in terminal, comprising:

Processing unit, for when terminal initiates urgency traffic, obtaining the first core network entity to be the terminal distribution Mobile terminal routing number MSRN；

Transmission unit, the MSRN for obtaining the processing unit, which is sent to, is used to provide the second of urgency traffic Core network entity, in order to which second core network entity is when needing to the terminal originated calls, based on the MSRN with The terminal establishes calling.

In conjunction with the 6th aspect, the 6th aspect the first possible implementation in, the transmission unit, be also used to First core network entity sends the first login request message for being used for Emmergency log-on, takes in first login request message Band is for obtaining the first instruction information of MSRN；

Further include:

Receiving unit, described the sent based on the transmission unit for receiving that first core network entity sends One instruction information is the MSRN of the terminal distribution.

In conjunction with the 6th aspect, the 6th aspect second of possible implementation in, the transmission unit, be also used to Third core network entity sends the second login request message for carrying out urgency traffic, takes in second login request message Band second indication information, the second indication information are used to indicate the third core network entity to first core network entity Obtain the MSRN of terminal；

Further include:

Receiving unit, the MSRN sent for receiving the third core network entity, the MSRN is first core After network entity receives the request message generated based on the second indication information that the third core network entity is sent, for institute The MSRN of terminal distribution is stated, and is sent to the third core network entity.

In conjunction with the 6th aspect, in the third possible implementation of the 6th aspect, the transmission unit is also used to The terminal request is established during the Deta bearer for carrying out urgency traffic, and third instruction information is sent to third core Network entity, the third instruction information are used to indicate the third core network entity and obtain to first core network entity MSRN；

Further include:

Receiving unit, the MSRN of the transmission for receiving the third core network entity, the MRSN are first core Heart network entity after receiving the request message generated based on third instruction information that the third core network entity is sent, For the MSRN of the terminal distribution, and it is sent to the third core network entity.

In conjunction with the first any one into the third possible implementation of the 6th aspect and the 6th aspect, the In 4th kind of possible implementation of six aspects, the processing unit is also used to obtaining the first core network entity be described Before terminal distribution MSRN, determination can not reside in ownership place mobile operator network.

7th aspect, the embodiment of the invention provides a kind of equipment for establishing calling, and the equipment application is in the 4th core Network entity, comprising:

Receiving unit, for receiving when the second core network entity for providing urgency traffic is to terminal originated calls The call request message that second core network entity is sent；

The processing unit is based on the MSRN for determining that the call request message carries the MSRN of the terminal Continue to execute the call flow to the terminal；

The MSRN is to be sent to institute by the terminal to before the terminal originated calls in second core network entity State the second core network entity.

In conjunction with the 7th aspect, in the first possible implementation of the 7th aspect, determining that the call request disappears When breath carries the MSRN of the terminal, the processing unit is specifically used for determining that calling party is second core network entity, then Determine that the call request message carries the MSRN of the terminal；Alternatively,

The processing unit, which is specifically used for determining also carrying in the call request message, is used to indicate the call request The instruction information of MSRN is carried in message, it is determined that the call request message carries the terminal MS RN.

In conjunction with the first possible implementation of the 7th aspect or the 7th aspect, second at the 7th aspect is possible In implementation, the MSRN is carried in the call request message as called number.

In conjunction with the 7th aspect, in the third possible implementation of the 7th aspect, determining that the call request disappears Breath carries the MSRN of the terminal, and the processing unit is specifically used for: determining the call request message carrying called number When, the 4th core network entity determines that the called number is the MSRN of the terminal based on the format of the called number.

In conjunction with the first any one into the third possible implementation of the 7th aspect and the 7th aspect, the In 4th kind of possible implementation of seven aspects, the call flow to the terminal, institute are being continued to execute based on the MSRN Processing unit is stated to be specifically used for being determined as the first core network entity of the terminal service；

Further include:

Transmission unit, for sending call request message to first core network entity；The MSRN is described first Core network entity is the terminal distribution, and is sent to the terminal.

Eighth aspect, the embodiment of the invention provides a kind of equipment for establishing calling, and the equipment application is in the first core net Entity, comprising:

Receiving unit, for receiving the request message of the mobile terminal routing number MSRN for obtaining terminal；

Processing unit, for determining the terminal described for identification when the receiving unit receives the request message Identification code, and be the terminal distribution MSRN, and establish the corresponding relationship of the identification code of the MSRN and the terminal；Institute After stating the call request message of the carrying MSRN that receiving unit receives the transmission of the 4th core network entity, it is based on the MSRN The identification code of the corresponding terminal of the MSRN is determined with the corresponding relationship of the identification code of the terminal；It is then based on the end The identification code at end continues to execute call flow.

In conjunction with eighth aspect, in the first possible implementation of eighth aspect, the request message carrying is used for Obtain the instruction information of the mobile terminal routing number MSRN of terminal.

In conjunction with the possible implementation of the first of eighth aspect or eighth aspect, second in eighth aspect is possible In implementation, the receiving unit is also used to receive for identifying the identification information for carrying out urgency traffic；

The processing unit is also used to before being the terminal distribution MSRN based on the request message based on the mark Know information and is determined as the terminal distribution MSRN for urgency traffic.

In conjunction with the first of eighth aspect and eighth aspect to second of possible implementation, in the third of eighth aspect In the possible implementation of kind, the receiving unit is also used to receive the world of the terminal of third core network entity transmission Mobile identification number IMSI；The processing unit is specifically used for determining in the determination identification code of the terminal for identification The receiving unit receives the IMSI；Alternatively,

The receiving unit is also used to receive the mobile terminal international identity of the terminal of third core network entity transmission Code IMEI；The processing unit is specifically used for being based on the receiving unit in the determination identification code of the terminal for identification The IMEI received is the terminal distribution interim identity TMSI；Alternatively,

The receiving unit is also used to receive the IMEI for the terminal that the terminal is sent；The processing unit, true It is the end specifically for the IMEI received based on the receiving unit when the identification code of the fixed terminal described for identification End distribution interim identity TMSI.

9th aspect, the embodiment of the invention provides a kind of equipment for establishing calling, and the equipment application is in third core net Entity, comprising:

Receiving unit, for receiving the first request message for being used to carry out urgency traffic of terminal transmission, the request disappears The instruction information for obtaining the mobile terminal routing number MSRN of the terminal is carried in breath；

Processing unit, the instruction information for being received based on the receiving unit generate the second request message；

Transmission unit, second request message for generating the processing unit are sent to the first core net reality Body；It is the terminal distribution MSRN that second request message, which is used to indicate first core network entity,；

The receiving unit, being also used to receive first core network entity and being based on second request message is the end Hold the MSRN of distribution；

The transmission unit, the MSRN for being also used to receive the receiving unit are sent to the terminal.

In conjunction with the 9th aspect, in the first possible implementation of the 9th aspect, first request message is note Volume request message, the identification information that urgency traffic is carried out for identifying terminal is carried in the login request message；Alternatively,

Tenth aspect, the embodiment of the invention provides a kind of equipment for establishing calling, and the equipment application is in the second core net Entity, comprising:

Receiving unit, for receiving the mobile terminal routing number MSRN of terminal transmission；

Processing unit, determine need to the terminal originated calls when, based on carrying what the receiving unit received The call request message of the MSRN is to the terminal originated calls.

It is taken in the call request message in the first possible implementation of the tenth aspect in conjunction with the tenth aspect The MSRN of the band as called number.

In conjunction with the first possible implementation of the tenth aspect or the tenth aspect, second at the tenth aspect is possible It is also carried in implementation, in the call request message and is used to indicate the instruction letter for carrying MSRN in the call request message Breath.

Mobile terminal obtains the corresponding mobile terminal of the mobile terminal when initiating urgency traffic in the embodiment of the present invention Routing number MSRN；Then the MSRN is sent to public safety answering point PSAP by the mobile terminal, thus the PSAP When needing to initiate to call to the mobile terminal, it is directly based upon the MSRN and the mobile terminal is established and called, no longer need MSRN obtained to MSC again in initiating calling procedure, therefore save in calling procedure the process for obtaining MSRN, shortened and moving When the dynamic corresponding vehicle device of terminal breaks down, PSAP initiates the time of calling to mobile terminal.

Detailed description of the invention

Fig. 1 is a kind of calling system schematic diagram applied to eCall provided in an embodiment of the present invention；

Fig. 2 is a kind of system architecture schematic diagram for establishing calling provided in an embodiment of the present invention；

Fig. 3 is a kind of method flow graph figure for establishing calling provided in an embodiment of the present invention；

Fig. 4 is the system architecture diagram of the foundation calling under concrete application scene provided in an embodiment of the present invention；

Fig. 5 is provided in an embodiment of the present invention at the domain network support CS and ps domain combined registering, and is not had in the terminal When thering is SIM/USIM card or SIM/USIM card to damage, the flow diagram of calling is established；

Fig. 6 is provided in an embodiment of the present invention when network does not support the domain CS and ps domain combined registering, and in the terminal When there is no SIM/USIM card or SIM/USIM card to damage, the flow diagram of calling is established；

Fig. 7 is provided in an embodiment of the present invention at the domain network support CS and ps domain combined registering, and is had in the terminal SIM/USIM card, but terminal can not reside under ownership place mobile operator network condition a kind of foundation calling process show It is intended to；

Fig. 8 is provided in an embodiment of the present invention when network does not support the domain CS and ps domain combined registering, and in the terminal There is SIM/USIM card, but terminal can not reside in a kind of process of the calling of foundation under ownership place mobile operator network condition Schematic diagram；

Fig. 9 is provided in an embodiment of the present invention when terminal can reside in ownership place mobile operator network, Yi Zhongjian The flow diagram of vertical calling；

Figure 10 is provided in an embodiment of the present invention when terminal can reside in ownership place mobile operator network, another kind Establish the flow diagram of calling；

Figure 11 is the equipment schematic diagram that a kind of foundation provided in an embodiment of the present invention applied to terminal calls；

Figure 12 is a kind of equipment signal of foundation calling provided in an embodiment of the present invention for being applied to the 4th core network entity Figure；

Figure 13 is the equipment schematic diagram of the foundation calling provided in an embodiment of the present invention for being applied to the first core network entity；

Figure 14 is the equipment schematic diagram of the foundation calling provided in an embodiment of the present invention applied to third core network entity；

Figure 15 is the equipment schematic diagram of the foundation calling provided in an embodiment of the present invention for being applied to the second core network entity.

Specific embodiment

To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into It is described in detail to one step, it is clear that described embodiments are only a part of the embodiments of the present invention, rather than whole implementation Example.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts All other embodiment, shall fall within the protection scope of the present invention.

The embodiment of the invention provides a kind of method and apparatus for establishing calling, for solving callback of the existing technology Time longer problem.Since the principle that method and apparatus solves the problems, such as is identical, because of the method part and environment division embodiment Can be with cross-reference, overlaps will not be repeated.

It should be understood that the technical solution of the embodiment of the present invention can be applied to various communication systems, and such as: global system for mobile telecommunications (English: Global System of Mobile communication, referred to as: GSM) system, CDMA (English: Code Division Multiple Access, referred to as: CDMA) system, wideband code division multiple access (English: Wideband Code Division Multiple Access, referred to as: WCDMA) system, General Packet Radio Service (English: General Packet Radio Service, referred to as: GPRS), LTE system, advanced long term evolution (English: Advanced Long Term Evolution, referred to as: LTE-A) system, Universal Mobile Communication System (English: Universal Mobile Telecommunication System, referred to as: UMTS) etc..First, second etc. is a kind of mark in the embodiment of the present invention Know, is not the specific restriction to quantity.

What the terminal in various embodiments of the present invention can be fixed or move, and can also be claimed in GSM and CDMA 1X It is known as user equipment (English: User for movement station (Mobile Station, abbreviation MS), in WCDMA and LT Equipment, referred to as: UE) etc..Terminal can be such as cellular phone or other wireless telecom equipments, PCS Personal Communications System are set Standby, personal navigation equipment, personal information manager, personal digital assistant, laptop devices or can receive wireless communication and/or The equipment of other suitable mobile devices of navigation signal etc.Terminal can have mobile terminal international identity code (English: International Mobile Equipment Identity, referred to as: IMEI), this is the uniqueness number to terminal assignments Code.Terminal can be used for the service subscription of user.Service subscription can with international mobile subscriber identity (English: It is International Mobile Subscriber Identification Number, referred to as: IMSI) associated, this be to Global system for mobile communications (English: Global System for Mobile Communication, referred to as: GSM) and it is general Mobile communication system (English: Universal Mobile Telecommunications System, referred to as: UMTS) network Subscribe to assigned unique number.Service subscription can also be with mobile subscriber integrated services digital network number (English: Mobile Subscriber International ISDN/PSTN number, referred to as: MSISDN) associated, this is for service subscription Telephone number.IMSI is used as in home location register (English: Home Location Register, abbreviation: HLR) Subscriber database in service subscription keyword.Other users can dial MSISDN to connect calling to for service subscription Terminal.IMSI can be stored in the client identification module (English: Subscriber Identity that can be plugged into terminal Module, referred to as: SIM) or global customers identity module (English: Universal Subscriber Identity Module, In referred to as: USIM).Terminal can also not have SIM/USIM, in this case terminal can only have IMEI without IMSI or MSISDN.Terminal is referred to as user equipment (English: User Equipment, abbreviation: UE) in the embodiment of the present invention.

The first core network entity, the second core network entity, third core network entity and the 4th in the embodiment of the present invention Core network entity can be the entity device in core network；Core net specifically can be in second generation mobile communication system Core net, the core net in 3-G (Generation Three mobile communication system) can also be the core net etc. in forth generation mobile communication system.

Introduce the circuit switching (English: Circuit Switched, abbreviation: CS) in the embodiment of the present invention again below Domain and packet switch (English: Packet Switch, abbreviation: PS) domain.

The domain CS, which refers in core net, provides all network element entities of circuit switch type connection for customer service, and all Support the network element entity of related signaling.Ps domain is used to complete data service part, such as in second and third Generation Mobile Communication System It is divided into Serving GPRS Support Node (English: Serving GPRS Support Node, abbreviation: SGSN) and gateway GPRS is supported Node (English: Gateway GPRS Support Node, referred to as: GGSN)；It is divided into movement in forth generation mobile communication system Property management entity (English: Mobility Management Entity, referred to as: MME), gateway (English: Serving Gateway, referred to as: S-GW), packet data gateway (English: Packet Data Network Gateway, referred to as: P-GW).

The embodiment of the present invention is mainly for eCall application scenarios.Fig. 1 shows a kind of calling system applied to eCall.It should System includes satellite 101, vehicle 102, internet 103 and public safety answering point (English: public safety Answering points, referred to as: PSAP) 104.It may include attached Special vehicle-mounted system (IVS) in vehicle 102.PSAP It can be responsible for responding urgent call and also referred to as emergency centers (English: Emergency Centre, abbreviation: EC).

Vehicle 102 sends MSD to PSAP104 when emergency occurs, through internet 103, and then PSAP104 is to vehicle 102 call-back phones.

Fig. 2 shows a kind of system architecture for establishing calling, includes terminal, the first core in the system of foundation calling Network entity, the second core network entity, third core network entity and the 4th core network entity.

As shown in figure 3, showing a kind of method flow for establishing calling.

S301, terminal obtain the mobile terminal that the first core network entity is the terminal distribution when initiating urgency traffic Routing number (English: Mobile Station Roaming Number, referred to as: MSRN).

Wherein urgency traffic can be initiation Emmergency log-on business or Deta bearer etc. is established in flash request.

Urgency traffic is initiated, can be carried in the request of initiation for indicating that terminal carries out the mark letter of urgency traffic Breath, such as it is eCall that type of attachment (Attach type) is carried in login request message.

Optionally, the MSRN that the first core network entity is the terminal distribution is obtained, it specifically can be real in the following manner It is existing:

The first implementation:

A1, the terminal send the first login request message for being used for urgency traffic, institute to first core network entity State the first instruction information carried in the first login request message for obtaining MSRN.

A2, what the terminal received the first core network entity transmission is the terminal based on the first instruction information The MSRN of distribution.

Wherein, the first core network entity is the terminal distribution MSRN, then after receiving the first instruction information The terminal will be sent to for the MSRN of the terminal distribution.

Specifically, the first core network entity, after receiving the first instruction information, the first core network entity, which determines, to be known The identification code of the not described terminal, and be the terminal distribution MSRN, then establish the identification code of the MSRN and the terminal Corresponding relationship.After first core network entity is terminal distribution MSRN, which is sent to the terminal.

Optionally, terminal can also be carried into first login request message that the first core network entity is sent and is used for Mark carries out the identification information of urgency traffic；

After then the first core network entity receives first login request message, institute is determined as based on the identification information Terminal distribution MSRN is stated for urgency traffic, being then based on the first instruction information is the terminal distribution MSRN.

Wherein, it is the terminal distribution MSRN, the first core network entity that the first core network entity, which is based on the first instruction information, Determine the identification code for identifying the terminal first, the identification code of the terminal can be Temporary Mobile Subscriber Identity (English: Temporary Mobile Subscriber Identity, referred to as: TMSI).Specific first core network entity can receive It is the terminal distribution TMSI based on the IMEI when IMEI of the terminal sent to terminal.

Second of implementation:

B1, the terminal send the second login request message for carrying out urgency traffic, institute to third core network entity It states and carries second indication information in the second login request message, it is real that the second indication information is used to indicate the third core net Body obtains the MSRN of terminal to first core network entity.

B2, the terminal receive the MSRN that the third core network entity is sent, and the MSRN is first core net It is described after entity receives the request message generated based on the second indication information that the third core network entity is sent The MSRN of terminal distribution, and it is sent to the third core network entity.

Wherein third core network entity can be SGSN either MME etc., can be realized the entity device of above-mentioned function It is suitable for the present invention.

Wherein, after third core network entity receives second login request message, it is based on the second indication information Request message is generated, the request message of generation is then sent to first core network entity, first core net It is the terminal distribution MSRN that entity, which is based on the request message, and is sent to third core network entity.Specifically, the third Core network entity is based on the second indication information and generates request message, and the second indication information is carried in request message In；Alternatively, the third core network entity generates new instruction information based on the second indication information, and by the new finger Show that information carries in request message；Alternatively, generating after the third core network entity receives second indication information for referring to Show that the first core network entity is the request message of the terminal distribution MSRN.

Specifically, the first core network entity, after receiving the request message, the first core network entity determines identification institute The identification code of terminal is stated, and is the terminal distribution MSRN, it is corresponding with the identification code of the terminal then to establish the MSRN Relationship, and the MSRN is sent to third core network entity, the MSRN is sent to institute by the third core network entity State terminal.

Optionally, the third core network entity, which is based on second indication information generation request message, can also carry use The identification information of urgency traffic is carried out in mark, then third core network entity disappears to the request that the first core network entity is sent Breath.

After then the first core network entity receives the request message, the terminal point is determined as based on the identification information It is used for urgency traffic with MSRN, is then the terminal distribution MSRN.

Wherein, it is the terminal distribution MSRN, the first core network entity that the first core network entity, which is based on the request message, Determine the identification code for identifying the terminal first, the identification code of the terminal can be Temporary Mobile Subscriber Identity (English: Temporary Mobile Subscriber Identity, referred to as: TMSI).Specific first core network entity can receive It is the terminal distribution TMSI based on the IMEI when IMEI of the terminal sent to the third core network entity.Institute The identification code for stating terminal can also be IMSI, and specially the first core net receives the end that the third core network entity is sent The IMSI at end.The IMSI of the terminal can be carried by third core network entity in the institute generated based on the second indication information It states and is sent to first core network entity in request message.

The third implementation:

Third is indicated information during the Deta bearer for carrying out urgency traffic is established in request by C1, the terminal It is sent to third core network entity, the third instruction information is used to indicate the third core network entity to first core Network entity obtains MSRN.

Wherein it is possible to which third instruction information carrying is sent to third core network entity in the message, it can also be direct Third instruction information is sent to third core network entity, the present invention is that embodiment is not especially limited this.

C2, the terminal receive the MSRN of the transmission of the third core network entity, and the MRSN is first core Network entity is the MSRN of the terminal distribution after receiving the request message that the third core network entity is sent, and sends To the third core network entity.

Specifically, the third core network entity, which is based on third instruction information, generates request message, can directly give birth to It is carried in request message at request message, and by third instruction information；Alternatively, the third core network entity is based on institute It states third instruction information and generates new instruction information, and the new instruction information is carried in request message；Alternatively, described After third core network entity receives third instruction information, it is the terminal distribution that generation, which is used to indicate the first core network entity, The request message of MSRN.

It optionally, is the terminal distribution MSRN, and determine and use after the first core network entity receives the request message In the identification code for identifying the terminal, the corresponding relationship of the identification code of the MSRN and the terminal is then established.And it will be described MSRN is sent to third core network entity, and the MSRN is sent to terminal by third core network entity.

Optionally, terminal is also sent to the first core network entity for identifying the identification information for carrying out urgency traffic；Specifically It can indicate that information is included in same message with the third to send, it can be with separately send.

After then the first core network entity receives the identification information and third instruction information, it is based on the identification information It is determined as the terminal distribution MSRN for urgency traffic, and is the terminal distribution MSRN based on third instruction information.

Wherein, it is the terminal distribution MSRN, the first core network entity that the first core network entity, which is based on third instruction information, Determine the identification code for identifying the terminal first, the identification code of the terminal can be Temporary Mobile Subscriber Identity (English: Temporary Mobile Subscriber Identity, referred to as: TMSI).Specific first core network entity can receive It is the terminal distribution TMSI based on the IMEI when IMEI of the terminal sent to the third core network entity.Institute The identification code for stating terminal can also be IMSI, and specially the first core net receives the end that the third core network entity is sent The IMSI at end.

S302, the MSRN is sent to by the terminal is used to provide the second core network entity of urgency traffic.

S303, the second core network entity receive the MSRN that terminal is sent.

S304, the second core network entity are described based on the calling for carrying the MSRN when needing to terminal originated calls Request message is to the terminal originated calls.

Specifically, being sent out based on the call request message for carrying the MSRN to the terminal in second core network entity When playing calling, the call request message can be sent to the 4th core network entity.It can be using the MSRN as called number It carries in the call request message, can also include in the message body of the call request message by the MSRN.? The instruction information for being used to indicate and carrying MSRN in the call request message can also be carried in call request message.

S305, the 4th core network entity receive the call request message that second core network entity is sent.

S306, the 4th core network entity determine that the call request message carries the MSRN of the terminal.

Optionally, the 4th core network entity determines that the call request message carries the MSRN of the terminal, can be with It is accomplished by the following way:

The first implementation:

4th core network entity determines that calling party is second core network entity, it is determined that the call request disappears Breath carries the MSRN of the terminal.

Specifically, determining that calling party is second core network entity, it can be to carry in call request message and be used for It indicates that calling party is the instruction information of the second core network entity, or carries the mark of the second core network entity in call request message Know information etc..

Second of implementation:

4th core network entity determines in the call request message also to carry and is used to indicate the call request and disappears The instruction information of MSRN is carried in breath, it is determined that the call request message carries the terminal MS RN.Specifically, the described 4th Core network entity determines the MSRN that call request message carries based on instruction information.

The third implementation:

Indicating bit or the called number that in called number may include MSRN are special format, which is only applicable in In MSRN etc..

S307, the 4th core network entity continue to execute the call flow to the terminal based on the MSRN.

Specifically, the 4th core network entity is real according to the first core net that the MSRN is determined as the terminal service Body, and call request message is sent to first core network entity.

Then the first core network entity determines to include the MSRN in call request message, according to the MSRN that pre-saves with The corresponding relationship of the identification code of terminal determines the identification code of the corresponding terminal of the MSRN, using the terminal identification code to The terminal sends paging (Paging) message.Subsequent to may refer to the prior art, details are not described herein for the embodiment of the present invention.

Wherein, the first core network entity can be MSC or MSC serving etc..Second core network entity can be with Be PSAP or other for providing equipment of urgency traffic etc..4th core network entity specifically can be GMSC.

It may be mentioned that the embodiment of the present invention, which is applicable not only to terminal, can be resident ownership place mobile operator network Situation can also be the case where can not residing in ownership place mobile operator network, if terminal determination can not reside in ownership place When mobile operator network, then urgency traffic is initiated to other mobile operator, be retrieved as the MSRN of the terminal distribution.Then With can the belonging to terminal attaching mobile operator of first to fourth core network entity in the embodiment of the present invention, can also belong to In other mobile operator.

Mobile terminal obtains the corresponding mobile terminal of the mobile terminal when initiating urgency traffic in the embodiment of the present invention Routing number MSRN；Then the MSRN is sent to the second core network entity (such as PSAP) by the mobile terminal, thus institute PSAP is stated when needing to initiate to call to the mobile terminal, the MSRN is directly based upon and the mobile terminal is established and called, No longer need initiate calling procedure in again to the first core network entity (such as: MSC) obtain MSRN, therefore save calling procedure The middle process for obtaining MSRN, shortens when the corresponding vehicle device of mobile terminal breaks down, and PSAP initiates to call to mobile terminal Time.In addition, urgency traffic can be initiated by IMEI when no SIM/USIM card or SIM/USIM card damage, from And the MSRN of UE is obtained, complete process of the PSAP to terminal originated calls.

The embodiment of the present invention is illustrated below with reference to concrete application scene.

With the first core network entity be MSC, the second core network entity is PSAP, third core net is SGSN and the 4th core Heart network entity is illustrated for being GMSC.

As shown in figure 4, for the system architecture diagram provided in an embodiment of the present invention for establishing calling.The system packet of foundation calling Include UE, SGSN, GGSN, MSC, GMSC, PSTN and PSAP.

It is provided in an embodiment of the present invention at the domain network support CS and ps domain combined registering referring to Fig. 5, and at the end When no SIM/USIM card or SIM/USIM card being held to damage, the process of calling is established.

S501, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying IMEI the and MSRN demand instruction (MSRN needed indication) of UE.

It should be understood that eCall is as identifying the identification information for carrying out urgency traffic.The instruction of MSRN demand is used for Indicate the MSRN of acquisition UE.

S502, SGSN send position updating request (Location Update after receiving the registration request, to MSC Request), it is eCall (location update type=that location updating type is carried in the position updating request ECall), IMEI the and MSRN needed indication of UE.

S503, MSC are after receiving the position updating request, according to IMEI the and MSRN needed of UE Indication distributes MSRN and TMSI for UE, and records the corresponding relationship of MSRN and TMSI.

S504, MSC update response (Location Update Response) to SGSN return position, and in location updating The MSRN for UE distribution is carried in response.

S505, SGSN after receiving location updating response, by receive attachment (attach accept) message to UE transmission is that MSC is UE distribution MSRN.

S506, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S507, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S508, GGSN return to creation PDP request response (Create PDP context Response) to SGSN.

S509, SGSN return to activation PDP response (Activate PDP context Response) to UE.

S510, UE are connected to PSAP by the PDP for urgency traffic that S507-509 is established and are sent MSD message, this disappears The MSRN of UE is carried in breath.

S511, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The called number of the phone Code is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S512, GMSC determine the MSRN that UE is carried in call request.

Optionally, GMSC can specifically determine the MSRN that UE is carried in call request by following at least one mode:

Mode 1: being PSAP according to calling party, determines the MSRN that UE is carried in call request.

Mode 2: being MSRN according to called number, determines the MSRN that UE is carried in call request.Here MSRN needs spy Different format

Mode 3: according to the special instruction information carried in call request, the instruction information is for showing that called number is MSRN。

S513, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be IAM。

S514, MSC obtain the TMSI of the corresponding UE of MSRN according to the corresponding relationship of the MSRN and TMSI of record.

S515, MSC send paging (paging) message to the TMSI of UE.

S516: call flow is continued to complete.Specifically call flow is completed according to the prior art.

Optionally, MSRN is also possible to MSC and is transmitted directly to PSAP in S503, and MSC needs to send IMEI to PSAP at this time And MSRN, UE send IMEI to PSAP in S511, PSAP obtains the MSRN of UE according to IMEI.

The scheme provided through the embodiment of the present invention, mobile terminal is obtained when initiating urgency traffic in the embodiment of the present invention The corresponding mobile terminal routing number MSRN of the mobile terminal；Then the MSRN is sent to the second core by the mobile terminal Heart network entity (such as PSAP), so that the PSAP when needing to initiate to call to the mobile terminal, is directly based upon described MSRN and the mobile terminal, which are established, to be called, it is no longer necessary in initiating calling procedure again to the first core network entity (such as: MSC MSRN) is obtained, therefore saves in calling procedure the process for obtaining MSRN, shortens and occurs in the corresponding vehicle device of mobile terminal When failure, PSAP initiates the time of calling to mobile terminal.In addition, being damaged in no SIM/USIM card or SIM/USIM card When, urgency traffic can be initiated by IMEI, to obtain the MSRN of UE, complete process of the PSAP to terminal originated calls.

It is provided in an embodiment of the present invention when network does not support the domain CS and ps domain combined registering referring to Fig. 6, and described When terminal does not have SIM/USIM card or SIM/USIM card to damage, the process of calling is established.

S601, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying the IMEI of UE.

S602, SGSN reply attachment to UE and receive (Attach Accept) message.

S603, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall)

S604, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S605, GGSN return to creation PDP response (Create PDP context Response) to SGSN.

S606, SGSN return to activation PDP response (Activate PDP context Response) to UE.

S607, UE-1 are connected by the PDP for urgency traffic that step S603-S606 is established to PSAP transmission The MSD of eCall relevant information.

S608, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying IMEI the and MSRN demand instruction (MSRN needed indication) of UE.

S609 distributes MSRN and TMSI according to IMEI the and MSRN needed indication of UE for UE, and record The corresponding relationship of MSRN and TMSI.

S610, MSC send attachment to UE and receive (Attach Accept) message, which carries MSC and be The MSRN of UE distribution.

S611, UE connect the MSRN that UE is sent to PSAP by the PDP for urgency traffic that S603-606 is established.

S612, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The called number of the phone Code is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S613, GMSC determine the MSRN that UE is carried in call request.

S614, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be IAM。

S615, MSC obtain the TMSI of the corresponding UE of MSRN according to the corresponding relationship of the MSRN and TMSI of record.

S616, MSC send paging (paging) message to the TMSI of UE.

S617: call establishment is completed.Specifically call flow is completed according to the prior art.

It is provided in an embodiment of the present invention at the domain network support CS and ps domain combined registering referring to Fig. 7, and at the end There is SIM/USIM card at end, but terminal can not reside in a kind of stream of the calling of foundation under ownership place mobile operator network condition Journey.Terminal can not reside in ownership place mobile operator network, initiate registration request to other mobile operator networks.

S701, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying MSRN demand instruction (MSRN needed indication).

S702, SGSN send position updating request (Location Update after receiving the registration request, to MSC Request), it is eCall (location update type=that location updating type is carried in the position updating request ECall), IMSI the and MSRN needed indication of UE.

S703, MSC are after receiving the position updating request, according to IMSI the and MSRN needed of UE Indication distributes MSRN for UE, and records the corresponding relationship of MSRN and IMSI.

S704, MSC update response (Location Update Response) to SGSN return position, and in location updating The MSRN for UE distribution is carried in response.

S705, SGSN after receiving location updating response, by receive attachment (attach accept) message to UE transmission is that MSC is UE distribution MSRN.

S706, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S707, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S708, GGSN return to creation PDP request response (Create PDP context Response) to SGSN.

S709, SGSN return to activation PDP response (Activate PDP context Response) to UE.

S710, UE are connected to PSAP by the PDP for urgency traffic that S507-509 is established and are sent MSD message, this disappears The MSRN of UE is carried in breath.

S711, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The called number of the phone Code is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S712, GMSC determine the MSRN that UE is carried in call request.

S713, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be IAM。

S714, MSC are according to the corresponding relationship of the MSRN and IMSI of record and the correspondence of pre-recorded IMSI and TMSI Relationship obtains the TMSI of the corresponding UE of MSRN.

S715, MSC send paging (paging) message to the TMSI of UE.

S716: call flow is continued to complete.Specifically call flow is completed according to the prior art.

Mobile terminal obtains the corresponding mobile terminal of the mobile terminal when initiating urgency traffic in the embodiment of the present invention Routing number MSRN；Then the MSRN is sent to the second core network entity (such as PSAP) by the mobile terminal, thus institute PSAP is stated when needing to initiate to call to the mobile terminal, the MSRN is directly based upon and the mobile terminal is established and called, No longer need initiate calling procedure in again to the first core network entity (such as: MSC) obtain MSRN, therefore save calling procedure The middle process for obtaining MSRN, shortens when the corresponding vehicle device of mobile terminal breaks down, and PSAP initiates to call to mobile terminal Time.

It is provided in an embodiment of the present invention when network does not support the domain CS and ps domain combined registering referring to Fig. 8, and described Terminal has SIM/USIM card, but terminal can not reside in a kind of calling of foundation under ownership place mobile operator network condition Process.

S801, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying the IMEI of UE.

S802, SGSN reply attachment to UE and receive (Attach Accept) message.

S803, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall)

S804, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S805, GGSN return to creation PDP request response (Create PDP context Response) to SGSN.

S806, SGSN return to activation PDP response (Activate PDP context Response) to UE.

S807, UE are connected by the PDP for urgency traffic that step S603-S606 is established to PSAP transmission The MSD of eCall relevant information.

S808, UE initiate registration request (Attach Request), and it is eCall that type of attachment is carried in the registration request (attach type=eCall), while carrying IMSI the and MSRN demand instruction (MSRN needed indication) of UE.

S809 distributes MSRN and TMSI according to IMSI the and MSRN needed indication of UE for UE, and record The corresponding relationship of MSRN and TMSI and IMSI.

S810, MSC send attachment to UE and receive (Attach Accept) message, which carries MSC and be The MSRN of UE distribution.

S811, UE are connected to PSAP by the PDP for urgency traffic that step S603-S606 is established and are sent MSRN.

S812, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The called number of the phone Code is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S813, GMSC determine the MSRN that UE is carried in call request.

S814, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be just Beginning address message (English: Initial Address Message, referred to as: IAM).

S815, MSC obtain the TMSI of the corresponding UE of MSRN according to the corresponding relationship of the MSRN and TMSI of record.

S816, MSC send paging (paging) message to the TMSI of UE.

S817: call setup process is completed.Specifically call setup process is completed according to the prior art.

Referring to Fig. 9, be it is provided in an embodiment of the present invention when terminal can reside in ownership place mobile operator network, one Kind establishes the process of calling.

S901, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall) and MSRN demand indicates.

S902, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S903, GGSN return to creation PDP request response (Create PDP context Response) to SGSN.

S904, SGSN return to activation PDP response (Activate PDP context Response) to UE.

S905, UE are connected to PSAP by the PDP for urgency traffic that S901-S904 is established and are sent MSD message.

S906, SGSN send the request (Provide Roaming Number Request) that Provides Roaming Number to MSC and disappear It ceases, the IMSI of UE is carried in the request that Provides Roaming Number.The request message that Provides Roaming Number is for obtaining the MSRN of UE.

S907, MSC distribute MSRN after receiving and Providing Roaming Number request message, for UE, and record MSRN and IMSI Corresponding relationship.

S908, MSC send the response (Provide Roaming Number Response) that Provides Roaming Number to SGSN and disappear It ceases, the MSRN of UE is carried in the response message that Provides Roaming Number.

S909, SGSN pass through GPRS Mobility Management (English: GPRS mobility management, abbreviation: GMM) letter (information) message is ceased, MSRN is sent to UE.

S910, UE connect the MSRN that UE is sent to PSAP by the PDP for urgency traffic that S901-904 is established.

S911, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The called number of the phone Code is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S912, GMSC determine the MSRN that UE is carried in call request.

S913, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be IAM。

S914, MSC are according to the corresponding relationship of the MSRN and IMSI of record and the correspondence of pre-recorded IMSI and TMSI Relationship obtains the TMSI of the corresponding UE of MSRN.

S915, MSC send paging (paging) message to the TMSI of UE.

S916: call flow is continued to complete.Specifically call flow is completed according to the prior art.

It is corresponding to obtain the mobile terminal in the Deta bearer for establishing urgency traffic for mobile terminal in the embodiment of the present invention Mobile terminal routing number MSRN；Then the mobile terminal by the MSRN be sent to the second core network entity (such as PSAP), so that the PSAP is when needing to initiate to call to the mobile terminal, it is directly based upon the MSRN and the movement eventually End establish calling, it is no longer necessary to initiate calling procedure in again to the first core network entity (such as: MSC) obtain MSRN, therefore It saves in calling procedure and obtains the process of MSRN, shorten when the corresponding vehicle device of mobile terminal breaks down, PSAP is to movement The time of terminal originated calls.

Referring to Figure 10, be it is provided in an embodiment of the present invention when terminal can reside in ownership place mobile operator network, A kind of process for establishing calling.

S1001, UE send activation PDP request (Activate PDP context Request) to SGSN, and activation PDP is asked The request type for asking middle carrying is eCall (request type=eCall) and MSRN demand indicates.

S1002, SGSN send creation PDP request (Create PDP context Request) to GGSN, and creation PDP is asked The request type for asking middle carrying is eCall (request type=eCall).

S1003, GGSN return to creation PDP request response (Create PDP context Response) to SGSN.

S1004, SGSN send the request (Provide Roaming Number Request) that Provides Roaming Number to MSC and disappear It ceases, the IMSI of UE is carried in the request that Provides Roaming Number.The request message that Provides Roaming Number is for obtaining the MSRN of UE.

S1005, MSC distribute MSRN after receiving and Providing Roaming Number request message, for UE, and record MSRN and IMSI Corresponding relationship.

S1006, MSC Provide Roaming Number response (Provide Roaming Number Response) to SGSN transmission Message carries the MSRN of UE in the response message that Provides Roaming Number.

S1007, SGSN respond (Activate PDP context Response) message by activation PDP, and MSRN is sent out Give UE.

S1008, UE are connected to PSAP by the PDP for urgency traffic that S1001-1007 is established and are sent MSD message, should The MSRN of UE is carried in message.

S1009, PSAP dial a phone to UE by PSTN, i.e., send call request to GMSC.The phone is called Number is the MSRN of UE.The phone is routed to the GMSC of fixed network Yu mobile network's interface.

S1010, GMSC determine the MSRN that UE is carried in call request.

S1011, GMSC directly send request message to MSC according to MSRN, carry the MSRN.The request message can be IAM。

S1012, MSC are according to the corresponding relationship of the MSRN and IMSI of record and pair of pre-recorded IMSI and TMSI It should be related to, obtain the TMSI of the corresponding UE of MSRN.

S1013, MSC send paging (paging) message to the TMSI of UE.

S1014: call flow is continued to complete.Specifically call flow is completed according to the prior art.

Mobile terminal obtains the corresponding mobile terminal of the mobile terminal when establishing Deta bearer in the embodiment of the present invention Routing number MSRN；Then the MSRN is sent to public safety answering point PSAP by the mobile terminal, thus the PSAP When needing to initiate to call to the mobile terminal, it is directly based upon the MSRN and the mobile terminal is established and called, no longer need MSRN obtained to MSC again in initiating calling procedure, therefore save in calling procedure the process for obtaining MSRN, shortened and moving When the dynamic corresponding vehicle device of terminal breaks down, PSAP initiates the time of calling to mobile terminal.

Based on inventive concept same as embodiment of the method, setting for calling is established the embodiment of the invention also provides a kind of Standby, the equipment of foundation calling can be terminal, can also be and is set to device of terminal inner etc..As shown in figure 11, should Establishing the equipment called includes:

Processing unit 1101, for obtaining the first core network entity as the terminal point when terminal initiates urgency traffic The mobile terminal routing number MSRN matched.

Transmission unit 1102 is used to provide the second core network entity of urgency traffic for the MSRN to be sent to, with Convenient for second core network entity when needing to the terminal originated calls, is established and exhaled based on the MSRN and the terminal It cries.

Optionally, the transmission unit 1102 is also used to send to first core network entity for Emmergency log-on First login request message carries the first instruction information for obtaining MSRN in first login request message.The foundation The equipment of calling further include: receiving unit 1103, for receiving the single based on the transmission of the first core network entity transmission The first instruction information that member 1102 is sent is the MSRN of the terminal distribution.

Optionally, the transmission unit 1102 is also used to send to third core network entity for carrying out urgency traffic Second login request message carries second indication information in second login request message, and the second indication information is used for Indicate that the third core network entity obtains the MSRN of terminal to first core network entity.The equipment of foundation calling may be used also To include: receiving unit 1103, the MSRN sent for receiving the third core network entity, the MSRN is first core After heart network entity receives the request message generated based on the second indication information that the third core network entity is sent, it is The MSRN of the terminal distribution, and it is sent to the third core network entity.

Optionally, the transmission unit 1102 is also used to establish the number for carrying out urgency traffic in the terminal request According in load bearing process, third instruction information is sent to third core network entity, the third instruction information is used to indicate described Third core network entity obtains MSRN to first core network entity.The equipment of foundation calling can also include: to receive list Member 1103, the MSRN of the transmission for receiving the third core network entity, the MRSN are that first core network entity exists It is the terminal after receiving the request message generated based on third instruction information that the third core network entity is sent The MSRN of distribution, and it is sent to the third core network entity.

Optionally, the processing unit 1101 is also used to obtaining the first core network entity be the terminal distribution MSRN Before, determination can not reside in ownership place mobile operator network.

It is schematical, only a kind of logical function partition to the division of unit in the embodiment of the present invention, it is practical to realize When there may be another division manner, in addition, each functional unit in each embodiment of the application can integrate at one It manages in unit, is also possible to physically exist alone, can also be integrated in one unit with two or more units.Above-mentioned collection At unit both can take the form of hardware realization, can also be realized in the form of software function module.

Wherein, when integrated unit both can take the form of hardware realization, transmission unit 1102 and receiving unit 1103 The hardware of entity is transceiver in corresponding terminal, and the entity hardware in the corresponding terminal of processing unit 1101 is processor.Place Device is managed, can be a central processing unit (English: central processing unit, abbreviation CPU), or be number Processing unit etc..

Wherein, the equipment for establishing calling can also include memory, the program executed for storage processor.Processor is used In the program for executing memory storage, the scheme executed specifically for processing unit 1101.

Memory can be volatile memory (English: volatile memory), such as random access memory (English Text: random-access memory, abbreviation: RAM)；Memory is also possible to nonvolatile memory (English: non- Volatile memory), for example, read-only memory (English: read-only memory, abbreviation: ROM), flash memory (English Text: flash memory), hard disk (English: hard disk drive, abbreviation: HDD) or solid state hard disk (English: solid- State drive, abbreviation: SSD) or memory can be used for carrying or storing that there is instruction or data structure form Desired program code and can by any other medium of computer access, but not limited to this.Memory can be above-mentioned deposit The combination of reservoir.

Based on inventive concept same as embodiment of the method, setting for calling is established the embodiment of the invention also provides a kind of Standby, the equipment of foundation calling can be to be realized by the 4th core network entity, or is set to inside the 4th core network entity Structure.As shown in figure 12, the equipment of foundation calling includes:

Receiving unit 1201, for when the second core network entity for providing urgency traffic is to terminal originated calls, Receive the call request message that second core network entity is sent.

The processing unit 1202, for determining that the call request message that the receiving unit 1201 receives carries The MSRN of the terminal continues to execute the call flow to the terminal based on the MSRN.

Wherein, the MSRN is sent out to before the terminal originated calls by the terminal in second core network entity Give second core network entity.

Optionally, when determining that the call request message carries the MSRN of the terminal, the processing unit 1202 has Body is for determining that calling party is second core network entity, it is determined that the call request message carries the terminal MSRN；Alternatively,

The processing unit 1202, which is specifically used for determining also carrying in the call request message, is used to indicate the calling The instruction information of MSRN is carried in request message, it is determined that the call request message carries the terminal MS RN.

Optionally, the MSRN is also used as called number carrying in the call request message.

Determining that the call request message carries the MSRN of the terminal, the processing unit 1202 is specifically used for: When determining that the call request message carries called number, the format of the 4th core network entity based on the called number is true The fixed called number is the MSRN of the terminal.

The call flow to the terminal is being continued to execute based on the MSRN, the processing unit 1202 is specifically used for true The equipment for being set to first core network entity foundation calling of the terminal service can also include: transmission unit 1203, be used for Call request message is sent to first core network entity；The MSRN is that first core network entity divides for the terminal Match, and is sent to the of the terminal

Wherein, when integrated unit both can take the form of hardware realization, transmission unit 1203 and receiving unit 1201 The hardware of entity is transceiver in corresponding third core network entity, in the corresponding third core network entity of processing unit 1202 Entity hardware is processor.Processor, can be a central processing unit (English: central processing unit, Abbreviation CPU), or be digital processing element etc..

Wherein, the equipment for establishing calling can also include memory, the program executed for storage processor.Processor is used In the program for executing memory storage, the scheme executed specifically for processing unit 1202.

Memory can be volatile memory, such as RAM；Memory is also possible to nonvolatile memory, such as ROM, flash memory: HDD or SSD or memory can be used for carrying or storing have instruction or data structure form Desired program code and can by any other medium of computer access, but not limited to this.Memory can be above-mentioned The combination of memory.

Based on inventive concept same as embodiment of the method, setting for calling is established the embodiment of the invention also provides a kind of Standby, the equipment of foundation calling can be realized by the first core network entity, can also be set to inside the first core network entity.Such as Shown in Figure 13, the equipment of foundation calling includes:

Receiving unit 1301, for receiving the request message of the mobile terminal routing number MSRN for obtaining terminal；

Processing unit 1302, for determining for identification when the receiving unit 1301 receives the request message The identification code of the terminal, and be the terminal distribution MSRN, and it is corresponding with the identification code of the terminal to establish the MSRN Relationship.The call request message of the carrying MSRN of the 4th core network entity transmission is received in the receiving unit 1301 Afterwards, the identification of the corresponding terminal of the MSRN is determined based on the MSRN and the corresponding relationship of the identification code of the terminal Code；The identification code for being then based on the terminal continues to execute call flow.

Wherein, the request message can also carry the instruction letter of the mobile terminal routing number MSRN for obtaining terminal Breath.

The receiving unit 1301 is also used to receive for identifying the identification information for carrying out urgency traffic；

The processing unit 1302 is also used to before being the terminal distribution MSRN based on the request message based on institute It states identification information and is determined as the terminal distribution MSRN for urgency traffic.

Receiving unit 1301 is also used to receive the international mobile subscriber identification of the terminal of third core network entity transmission Code IMSI；The processing unit 1302 is specifically used for determining the reception in the determination identification code of the terminal for identification Unit 1301 receives the IMSI；Alternatively,

Receiving unit 1301, the mobile terminal international identity code of the terminal for receiving the transmission of third core network entity IMEI；The processing unit 1302 is specifically used for single based on the reception in the determination identification code of the terminal for identification The IMEI that member 1301 receives is the terminal distribution interim identity TMSI；Alternatively,

Receiving unit 1301, for receiving the IMEI for the terminal that the terminal is sent；The processing unit 1302, When determining the identification code of the terminal described for identification, it is specifically for the IMEI received based on the receiving unit 1301 The terminal distribution interim identity TMSI.

Wherein, when integrated unit both can take the form of hardware realization, corresponding first core of receiving unit 1301 The hardware of entity is transceiver in network entity, and the entity hardware in corresponding first core network entity of processing unit 1302 is processing Device.Processor can be a central processing unit (English: central processing unit, abbreviation CPU), Huo Zhewei Digital processing element etc..

Wherein, the equipment for establishing calling can also include memory, the program executed for storage processor.Processor is used In the program for executing memory storage, the scheme executed specifically for processing unit 1302.

Based on inventive concept same as embodiment of the method, setting for calling is established the embodiment of the invention also provides a kind of Standby, the equipment of foundation calling can be realized by third core network entity, or can also be set in third core network entity Portion.As shown in figure 14, the equipment of foundation calling includes:

Receiving unit 1401, it is described to ask for receiving the first request message for being used to carry out urgency traffic of terminal transmission Seek the instruction information carried in message for obtaining the mobile terminal routing number MSRN of the terminal；

Processing unit 1402, the instruction information for being received based on the receiving unit 1401 generate the second request Message；

Transmission unit 1403, second request message for generating the processing unit 1402 are sent to the first core Heart network entity；It is the terminal distribution MSRN that second request message, which is used to indicate first core network entity,；

The receiving unit 1401, being also used to receive first core network entity and being based on second request message is institute State the MSRN of terminal distribution；

The transmission unit 1403 is also used to the MSRN that the receiving unit 1401 receives being sent to the end End.

Wherein, first request message can be login request message, carry in the login request message for marking Know the identification information that terminal carries out urgency traffic；Alternatively,

First request message can also be to establish the Deta bearer request for carrying out urgency traffic, and the data are held It carries to carry in request and is used to indicate the identification information that terminal carries out urgency traffic.

Wherein, when integrated unit both can take the form of hardware realization, transmission unit 1403 and receiving unit 1401 The hardware of entity is transceiver in corresponding third core network entity, in the corresponding third core network entity of processing unit 1402 Entity hardware is processor.Processor, can be a central processing unit (English: central processing unit, Abbreviation CPU), or be digital processing element etc..

Wherein, the equipment for establishing calling can also include memory, the program executed for storage processor.Processor is used In the program for executing memory storage, the scheme executed specifically for processing unit 1402.

Based on inventive concept same as embodiment of the method, setting for calling is established the embodiment of the invention also provides a kind of Standby, the equipment of foundation calling can be realized by the second core network entity, can also be set to the second core network internal.Such as Figure 15 Shown, the equipment of foundation calling includes:

Receiving unit 1501, for receiving the mobile terminal routing number MSRN of terminal transmission；

Processing unit 1502, determine need to the terminal originated calls when, received based on the receiving unit is carried The call request message of the MSRN arrived is to the terminal originated calls.

Wherein, the MSRN as called number can be carried in the call request message.

The instruction for being used to indicate and carrying MSRN in the call request message can also be carried in the call request message Information.

Wherein, when integrated unit both can take the form of hardware realization, corresponding second core of receiving unit 1501 Entity hardware in network entity is transceiver, and the entity hardware in corresponding second core network entity of processing unit 1502 is processing Device.Processor can be a central processing unit (English: central processing unit, abbreviation CPU), Huo Zhewei Digital processing element etc..

Mobile terminal obtains the corresponding mobile terminal of the mobile terminal when establishing Deta bearer in the embodiment of the present invention Routing number MSRN；Then the MSRN is sent to public safety answering point PSAP by the mobile terminal, thus the PSAP When needing to initiate to call to the mobile terminal, it is directly based upon the MSRN and the mobile terminal is established and called, no longer need MSRN obtained to MSC again in initiating calling procedure, therefore save in calling procedure the process for obtaining MSRN, shortened and moving When the dynamic corresponding vehicle device of terminal breaks down, PSAP initiates the time of calling to mobile terminal.And the embodiment of the present invention is same SIM/USIM card suitable for terminal breaks down, perhaps without that in the case where SIM/USIM card or can not reside in ownership In the case where ground mobile operator network.

It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more, The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces The form of product.

The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.

These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates, Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or The function of being specified in multiple boxes.

These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one The step of function of being specified in a box or multiple boxes.

Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic Property concept, then additional changes and modifications can be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as It selects embodiment and falls into all change and modification of the scope of the invention.

Obviously, those skilled in the art can carry out various modification and variations without departing from this hair to the embodiment of the present invention The spirit and scope of bright embodiment.In this way, if these modifications and variations of the embodiment of the present invention belong to the claims in the present invention And its within the scope of equivalent technologies, then the present invention is also intended to include these modifications and variations.

Claims

1. a kind of method for establishing calling characterized by comprising

Terminal obtains the mobile terminal routing number that the first core network entity is the terminal distribution when initiating urgency traffic MSRN；

The MSRN is sent to by the terminal is used to provide the second core network entity of urgency traffic, in order to second core Heart network entity is established based on the MSRN and the terminal and is called when needing to the terminal originated calls.

2. the method as described in claim 1, which is characterized in that obtaining the first core network entity is the terminal distribution MSRN, comprising:

The terminal sends the first login request message for being used for Emmergency log-on, first note to first core network entity The first instruction information for obtaining MSRN is carried in volume request message；

What the terminal received the first core network entity transmission is the terminal distribution based on the first instruction information MSRN。

3. the method as described in claim 1, which is characterized in that obtaining the first core network entity is the terminal distribution MSRN, comprising:

The terminal sends the second login request message for carrying out urgency traffic, second note to third core network entity Second indication information is carried in volume request message, and the second indication information is used to indicate the third core network entity to described The MSRN of first core network entity acquisition terminal；

The terminal receives the MSRN that the third core network entity is sent, and the MSRN is that first core network entity receives It is the terminal distribution after the request message generated based on the second indication information sent to the third core network entity MSRN, and be sent to the third core network entity.

4. the method as described in claim 1, which is characterized in that obtaining the first core network entity is the terminal distribution MSRN, comprising:

The terminal indicates that information is sent to the during the Deta bearer for carrying out urgency traffic is established in request, by third Three core network entities, the third instruction information are used to indicate the third core network entity and obtain to first core network entity Take MSRN；

The terminal receives the MSRN of the transmission of the third core network entity, and the MSRN is that first core network entity exists It is the terminal after receiving the request message generated based on third instruction information that the third core network entity is sent The MSRN of distribution, and it is sent to the third core network entity.

5. such as the described in any item methods of Claims 1 to 4, which is characterized in that the first core network entity of acquisition is the terminal It distributes before MSRN, further includes:

6. a kind of method for establishing calling characterized by comprising

When the second core network entity for providing urgency traffic is to terminal originated calls, described in the 4th core network entity receives The call request message that second core network entity is sent；

4th core network entity determines that the call request message carries the MSRN of the terminal, and the MSRN is described Second core network entity is sent to second core network entity by the terminal to before the terminal originated calls；

7. method as claimed in claim 6, which is characterized in that the 4th core network entity determines the call request message Carry the MSRN of the terminal, comprising:

4th core network entity determines that calling party is second core network entity, it is determined that the call request message is taken MSRN with the terminal；Alternatively,

4th core network entity is determined also to carry in the call request message and is used to indicate in the call request message Carry the instruction information of MSRN, it is determined that the call request message carries the terminal MS RN.

8. method as claimed in claim 6, which is characterized in that the MSRN is carried as called number in the call request In message.

9. method as claimed in claim 6, which is characterized in that the 4th core network entity determines the call request message Carry the MSRN of the terminal, comprising:

The call request message carries called number, and the 4th core network entity is determined based on the format of the called number The called number is the MSRN of the terminal.

10. such as the described in any item methods of claim 6~9, which is characterized in that the 4th core network entity is based on described MSRN continues to execute the call flow to the terminal, comprising:

4th core network entity is determined as the first core network entity of the terminal service according to the MSRN, and to described First core network entity sends call request message；

11. a kind of method for establishing calling characterized by comprising

First core network entity determines the identification code of the terminal described for identification, and is the terminal distribution MSRN, and build Found the corresponding relationship of the identification code of the MSRN and the terminal；

Call request message of first core network entity in the carrying MSRN for receiving the transmission of the 4th core network entity Afterwards, the identification of the corresponding terminal of the MSRN is determined based on the MSRN and the corresponding relationship of the identification code of the terminal Code；

12. method as claimed in claim 11, which is characterized in that the request message carries the mobile end for obtaining terminal Hold the instruction information of routing number MSRN.

13. method as claimed in claim 11, which is characterized in that further include:

14. such as the described in any item methods of claim 11~13, which is characterized in that the first core network entity determination is used for Identify the identification code of the terminal, comprising:

First core network entity receives the international mobile subscriber identity for the terminal that third core network entity is sent IMSI；Alternatively,

First core network entity receives the mobile terminal international identity code for the terminal that third core network entity is sent IMEI, it is the terminal distribution interim identity TMSI that first core network entity, which is based on the IMEI,；Alternatively,

First core network entity receives the IMEI for the terminal that the terminal is sent, the first core network entity base In the IMEI be the terminal distribution interim identity TMSI.

15. a kind of method for establishing calling characterized by comprising

Third core network entity receive that terminal sends for carrying out the first request message of urgency traffic, in the request message Carry the instruction information for obtaining the mobile terminal routing number MSRN of the terminal；

The third core network entity is based on the instruction information and generates the second request message, and second request message is sent out Give the first core network entity；It is the terminal distribution that second request message, which is used to indicate first core network entity, MSRN；

The third core network entity receives first core network entity and is based on second request message as the terminal point The MSRN matched, and the MSRN is sent to the terminal.

16. method as claimed in claim 15, which is characterized in that

First request message is login request message, carries in the login request message and carries out promptly for identifying terminal The identification information of business；Alternatively,

First request message is that the Deta bearer established for carrying out urgency traffic is requested, and is taken in the Deta bearer request Band is used to indicate the identification information that terminal carries out urgency traffic.

17. a kind of method for establishing calling characterized by comprising

Second core network entity is disappeared when needing to the terminal originated calls based on the call request for carrying the MSRN It ceases to the terminal originated calls.

18. method as claimed in claim 17, which is characterized in that carry in the call request message as called number The MSRN.

19. the method as described in claim 17 or 18, which is characterized in that also carry and be used to indicate in the call request message The instruction information of MSRN is carried in the call request message.

20. a kind of equipment for establishing calling, which is characterized in that the equipment application is in terminal, comprising:

Processing unit, for obtaining the movement that the first core network entity is the terminal distribution when terminal initiates urgency traffic Terminal routing number MSRN；

Transmission unit, the MSRN for obtaining the processing unit, which is sent to, is used to provide the second core of urgency traffic Network entity, in order to which second core network entity is when needing to the terminal originated calls, based on the MSRN with it is described Terminal establishes calling.

21. equipment as claimed in claim 20, which is characterized in that the transmission unit is also used to first core net Entity sends the first login request message for being used for Emmergency log-on, carries in first login request message for obtaining MSRN First instruction information；

Further include:

Receiving unit, first finger sent based on the transmission unit sent for receiving first core network entity Show that information is the MSRN of the terminal distribution.

22. equipment as claimed in claim 20, which is characterized in that the transmission unit is also used to third core network entity The second login request message for carrying out urgency traffic is sent, the second instruction letter is carried in second login request message Breath, the second indication information are used to indicate the third core network entity and obtain terminal to first core network entity MSRN；

Further include:

Receiving unit, the MSRN sent for receiving the third core network entity, the MSRN are that first core net is real It is the end after body receives the request message generated based on the second indication information that the third core network entity is sent The MSRN of distribution is held, and is sent to the third core network entity.

23. equipment as claimed in claim 20, which is characterized in that the transmission unit is also used to build in the terminal request During founding the Deta bearer for carrying out urgency traffic, third instruction information is sent to third core network entity, described the Three instruction information are used to indicate the third core network entity and obtain MSRN to first core network entity；

Further include:

Receiving unit, the MSRN of the transmission for receiving the third core network entity, the MSRN are first core nets Entity is after receiving the request message generated based on third instruction information that the third core network entity is sent, for institute The MSRN of terminal distribution is stated, and is sent to the third core network entity.

24. such as the described in any item equipment of claim 20~23, which is characterized in that the processing unit is also used to obtaining Before first core network entity is the terminal distribution MSRN, determination can not reside in ownership place mobile operator network.

25. a kind of equipment for establishing calling, which is characterized in that the equipment application is in the 4th core network entity, comprising:

Receiving unit, for when the second core network entity for providing urgency traffic is to terminal originated calls, described in reception The call request message that second core network entity is sent；

Processing unit is continued to execute for determining that the call request message carries the MSRN of the terminal based on the MSRN To the call flow of the terminal；

The MSRN is to be sent to described by the terminal to before the terminal originated calls in second core network entity Two core network entities.

26. equipment as claimed in claim 25, which is characterized in that determining that the call request message carries the terminal When MSRN, the processing unit is specifically used for determining that calling party is second core network entity, it is determined that the call request Message carries the MSRN of the terminal；Alternatively,

The processing unit, which is specifically used for determining also carrying in the call request message, is used to indicate the call request message The middle instruction information for carrying MSRN, it is determined that the call request message carries the terminal MS RN.

27. equipment as claimed in claim 25, which is characterized in that the MSRN is carried as called number and asked in the calling It asks in message.

28. equipment as claimed in claim 25, which is characterized in that determining that the call request message carries the terminal MSRN, the processing unit are specifically used for: when determining that the call request message carries called number, the 4th core net Entity determines that the called number is the MSRN of the terminal based on the format of the called number.

29. such as the described in any item equipment of claim 25~28, which is characterized in that continue to execute based on the MSRN to institute The call flow of terminal is stated, the processing unit is specifically used for being determined as the first core network entity of the terminal service；

Further include:

Transmission unit, for sending call request message to first core network entity；The MSRN is first core Network entity is the terminal distribution, and is sent to the terminal.

30. a kind of equipment for establishing calling, which is characterized in that the equipment application is in the first core network entity, comprising:

Processing unit, for determining the knowledge of the terminal described for identification when the receiving unit receives the request message Other code, and be the terminal distribution MSRN, and establish the corresponding relationship of the identification code of the MSRN and the terminal；It is connect described After receiving the call request message of the carrying MSRN that unit receives the transmission of the 4th core network entity, it is based on the MSRN and institute The corresponding relationship for stating the identification code of terminal determines the identification code of the corresponding terminal of the MSRN；It is then based on the terminal Identification code continues to execute call flow.

31. equipment as claimed in claim 30, which is characterized in that the request message carries the mobile end for obtaining terminal Hold the instruction information of routing number MSRN.

32. equipment as claimed in claim 30, which is characterized in that the receiving unit is also used to receive for identifying progress The identification information of urgency traffic；

The processing unit is also used to believe based on the mark before being the terminal distribution MSRN based on the request message Breath is determined as the terminal distribution MSRN for urgency traffic.

33. such as the described in any item equipment of claim 30~32, which is characterized in that the receiving unit is also used to receive the The international mobile subscriber identity IMSI for the terminal that three core network entities are sent；The processing unit is being determined for knowing When the identification code of the not described terminal, the IMSI is received specifically for the determination receiving unit；Alternatively,

The receiving unit is also used to receive the mobile terminal international identity code of the terminal of third core network entity transmission IMEI；The processing unit, in the determination identification code of the terminal for identification, specifically for being connect based on the receiving unit The IMEI received is the terminal distribution interim identity TMSI；Alternatively,

The receiving unit is also used to receive the IMEI for the terminal that the terminal is sent；The processing unit is used determining It is the terminal point specifically for the IMEI received based on the receiving unit when identifying the identification code of the terminal With interim identity TMSI.

34. a kind of equipment for establishing calling, which is characterized in that the equipment application is in third core network entity, comprising:

Receiving unit, for receive terminal transmission for carrying out the first request message of urgency traffic, in the request message Carry the instruction information for obtaining the mobile terminal routing number MSRN of the terminal；

Transmission unit, second request message for generating the processing unit are sent to the first core network entity；Institute Stating the second request message and being used to indicate first core network entity is the terminal distribution MSRN；

The receiving unit is also used to receive first core network entity and is based on second request message as the terminal point The MSRN matched；

35. equipment as claimed in claim 34, which is characterized in that first request message is login request message, described The identification information that urgency traffic is carried out for identifying terminal is carried in login request message；Alternatively,

36. a kind of equipment for establishing calling, which is characterized in that the equipment application is in the second core network entity, comprising:

Processing unit, determine need to the terminal originated calls when, based on carrying described in the receiving unit receives The call request message of MSRN is to the terminal originated calls.

37. equipment as claimed in claim 36, which is characterized in that carry in the call request message as called number The MSRN.

38. the equipment as described in claim 36 or 37, which is characterized in that also carry and be used to indicate in the call request message The instruction information of MSRN is carried in the call request message.