CN106464653A

CN106464653A - Emergency call method, apparatus and device

Info

Publication number: CN106464653A
Application number: CN201580032743.XA
Authority: CN
Inventors: 李欢; 靳维生
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2015-05-18
Filing date: 2015-05-18
Publication date: 2017-02-22
Also published as: WO2016183775A1

Abstract

Disclosed in the present invention are an emergency call method, apparatus and device. The method comprises: when receiving an emergency call instruction sent by a UE, obtaining position information of the UE; according to the position information of the UE, determining establishment information for establishing an emergency call session; and transmitting the establishment information to the UE.

Description

A kind of Emmergency call method, device and equipment

Technical field

The present invention relates to communication technical field, more particularly, to a kind of Emmergency call method, device and equipment.

Background technology

In wireless evolution communication network, as shown in figure 1, mainly comprising mobile management network element (English in core net：Mobility Management Entity, abbreviation：MME), gateway (English：Serving Gateway, abbreviation：S-GW) and packet data network gateway (English：Packet Data Network Gateway, abbreviation：P-GW) three logical functional entities.

Both non-third generation Partnership Program (English had been included in wireless evolution communication network：The 3rd Generation Partnership Project, abbreviation：3GPP) network, also including 3GPP networks.Non-3 GPP network includes reliable non-3 GPP network and untrusted non-3 GPP network.During current non-3 GPP network access 3GPP core nets, as shown in Fig. 2 reliable non-3 GPP network accesses 3GPP core nets by the S2a interfaces between P-GW.Packet data gateway (the English that untrusted non-3 GPP network passes through evolution：Evolved Packet Data Gateway, abbreviation：EPDG) the S2b interfaces access 3GPP core nets between P-GW.Wherein ePDG is used to forwarding or distributing UE mobile IP address, registers UE local ip address, and UE mobile IP address and local ip address are bound.UE from non-3 GPP network access when, AAA server (English：Authentication, Authorization and Accounting server, abbreviation：AAA server) realize each Packet Data Network (English for being operated to UE Authentication Authorization, UE being set up by being interacted with HSS network element：Packet Data Network, abbreviation：PDN) P-GW identification informations used are connected to be registered in HSS.

Under normal circumstances, during non-3 GPP network access 3GPP core nets, no matter as shown in figure 3, reliable non-3 GPP network or untrusted non-3 GPP network, can be accessed by the S2c interfaces between UE and P-GW.Meanwhile, UE can be set up by S2c interfaces and P-GW when 3GPP network insertions, also and be bound.It is currently based on WiFi voice (English：Voice over WiFi.Abbreviation：VoWiFi) deployment is commonly used S2b access architectures, and with being typically configured with the ePDG of ownership place on UE in advance Location, no matter the WLAN access networks accesses of UE wherefrom, can all select ownership place ePDG to access, in the EPC networks of ownership place, UE belongs to non-roaming scene, and it is specific as shown in Figure 4.

When current terminal uses VoWiFi business, only home network deploys ePDG, or, operator wishes that the ePDG in the preferred home network of terminal is accessed by configurating terminal, so when UE roams into other networks, the ePDG of home network still can be selected to access EPC.When UE need carry out urgent call when, then can according to non-roaming framework access belonging area emergence call service.But, because UE reality is in the case of other areas in addition to ownership place, this kind, the emergence call service of ownership place now cannot give UE to provide real service so that the urgent call failure of UE initiations.

The content of the invention

The invention provides a kind of Emmergency call method, device and equipment, for solving UE in the case of roaming place, the problem of urgent call that UE is initiated fails.

First aspect there is provided a kind of Emmergency call method, including：When the urgent call for receiving UE transmissions is indicated, the positional information of the UE is obtained；Determined to set up information for set up emergency call session according to the positional information of the UE；Information is set up to UE transmissions are described.

In the first possible implementation of first aspect, it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the first possible implementation of first aspect or first aspect, in second of possible implementation of first aspect, the instruction for gravity treatment ePDG, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the first possible implementation of first aspect or first aspect, in the third possible implementation of first aspect, the instruction for accessing the P-CSCF network elements for providing emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Second aspect there is provided a kind of Emmergency call method, including：UE sends urgent call and indicated；Connect Receive and corresponding with the positional information of the UE set up information for set up emergency call session；And set up emergency call session according to the information of setting up.

In the first possible implementation of second aspect, it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the first possible implementation of second aspect or second aspect, in second of possible implementation of second aspect, the instruction for gravity treatment ePDG, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the first possible implementation of second aspect or second aspect, in the third possible implementation of second aspect, the instruction for accessing the P-CSCF network elements for providing emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

With reference to the first possible implementation of second aspect or second aspect, in the 4th kind of possible implementation of second aspect, the information of setting up is that when ePDG instruction is drilled for gravity treatment, emergency call session is set up according to the information of setting up, including：Emergency call session is set up in the ePDG accesses of UE selections roaming place.

With reference to the first possible implementation of second aspect or second aspect, in the 5th kind of possible implementation of second aspect, it is described to set up emergency call session according to the information of setting up when to set up information be the instruction for the credible access point of switching in urgent call, including：The UE selects believable WLAN accesses, sets up urgent call.

With reference to the first possible implementation of second aspect or second aspect, in the 6th kind of possible implementation of second aspect, it is described to set up emergency call session according to the information of setting up when to set up information be the instruction for selecting 3GPP network connections, including：The UE selects 3GPP network connections, sets up emergency call session.

With reference to the first possible implementation of second aspect or second aspect, in the 7th kind of possible implementation of second aspect, the information of setting up is the P-CSCF that emergency call service is provided for accessing During the instruction of network element, emergency call session is set up according to the information of setting up, including：Registration request is sent to the P-CSCF network elements, emergency call session is set up.

The third aspect there is provided a kind of emergency call apparatus, including：Receiving module, the urgent call for receiving user terminal UE transmissions is indicated, and urgent call instruction is transferred into acquisition module；Acquisition module, during for being indicated in the urgent call for receiving the receiving module transmission, obtains the positional information of the UE；Determining module, for being determined to set up information for set up emergency call session according to the positional information of the UE；Sending module, for setting up information to UE transmissions are described.

In the first possible implementation of the third aspect, the determining module determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the first possible implementation of the third aspect or the third aspect, in second of possible implementation of the third aspect, the instruction for gravity treatment ePDG that the determining module is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the first possible implementation of the third aspect or the third aspect, in the third possible implementation of the third aspect, what the determining module was determined is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Fourth aspect there is provided a kind of emergency call apparatus, including：Sending module, is indicated for sending urgent call；Receiving module, information is set up for receiving corresponding with UE positional information for set up emergency call session；Module is set up, for setting up emergency call session according to the information of setting up.

In the first possible implementation of fourth aspect, the receiving module receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the first possible implementation of fourth aspect or fourth aspect, in second of possible implementation of fourth aspect, the instruction for gravity treatment ePDG that the receiving module is received, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the third possible implementation of fourth aspect, what the receiving module was received is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 4th kind of possible implementation of fourth aspect, the information of setting up that the receiving module is received is when ePDG instruction is drilled for gravity treatment；Described to set up module, emergency call session is set up in the ePDG accesses specifically for selection UE roaming places.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 5th kind of possible implementation of fourth aspect, it is described when to set up information be the instruction for the credible access point of switching in urgent call that the receiving module is received, it is described to set up module, specifically for selecting believable WLAN accesses, urgent call is set up.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 6th kind of possible implementation of fourth aspect, it is described when to set up information be the instruction for selecting 3GPP network connections that the receiving module is received, emergency call session is set up according to the information of setting up, including：It is described to set up module, specifically for selection 3GPP network connections, set up emergency call session.

With reference to the first possible implementation of fourth aspect or fourth aspect, in the 7th kind of possible implementation of fourth aspect, the receiving module receive it is described set up information be for access provide emergency call service P-CSCF network elements instruction when, it is described to set up module, specifically for sending registration request to the P-CSCF network elements, emergency call session is set up.

There is provided a kind of emergence call equipment in terms of 5th, including：Interface, the urgent call for receiving user terminal UE transmissions is indicated, and urgent call instruction is transferred into signal processor；Memory, for storage program instruction；Signal processor, for according to the programmed instruction stored in the memory, When the urgent call for receiving the interface transmission is indicated, the positional information of the UE is obtained；Determined to set up information for set up emergency call session according to the positional information of the UE；By the information transfer of setting up to the interface；The interface, is additionally operable to set up information to UE transmissions are described.

The 5th aspect the first possible implementation in, the signal processor determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the 5th aspect or the first possible implementation of the 5th aspect, in second of possible implementation of the 5th aspect, the instruction for gravity treatment ePDG that the signal processor is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the 5th aspect or the first possible implementation of the 5th aspect, in the third possible implementation of the 5th aspect, what the signal processor was determined is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

There is provided a kind of emergence call equipment in terms of 6th, including：Interface, is indicated, memory for sending urgent call, for storage program instruction；Signal processor, information is set up for according to the programmed instruction stored in the memory, receiving corresponding with UE positional information for set up emergency call session；Emergency call session is set up according to the information of setting up.

The 6th aspect the first possible implementation in, the signal processor receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in second of possible implementation of fourth aspect, the instruction for gravity treatment ePDG that the signal processor is received, Including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the third possible implementation of the 6th aspect, what the signal processor was received is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the 4th kind of possible implementation of the 6th aspect, the information of setting up that the signal processor is received is when ePDG instruction is drilled for gravity treatment；Emergency call session is set up in the ePDG accesses of selection UE roaming places.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the 5th kind of possible implementation of the 6th aspect, it is described when to set up information be the instruction for the credible access point of switching in urgent call that the signal processor is received, select believable WLAN to access, set up urgent call.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the 6th kind of possible implementation of the 6th aspect, it is described when to set up information be the instruction for selecting 3GPP network connections that the signal processor is received, and selects 3GPP network connections, sets up emergency call session.

With reference to the 6th aspect or the first possible implementation of the 6th aspect, in the 7th kind of possible implementation of the 6th aspect, the signal processor receive it is described set up information be for access provide emergency call service P-CSCF network elements instruction when, registration request is sent to the P-CSCF network elements, emergency call session is set up.

By using above-mentioned technical proposal, when the urgent call for receiving UE transmissions is indicated, UE positional information is obtained；Determined to set up information for set up emergency call session according to UE positional information；Sent to the UE and set up information, UE builds information according to what is received, sets up urgent call so that UE also ensure that the success rate for the urgent call that UE is initiated in other areas in addition to ownership place.

Brief description of the drawings

Fig. 1 is radio gradual network structure schematic diagram；

Fig. 2 is that non-3 GPP system accesses radio gradual network structure schematic diagram with S2a, S2b interface；

Fig. 3 is that non-3 GPP system accesses radio gradual network structure schematic diagram with S2c interfaces；

Fig. 4 is that non-3 GPP system accesses radio gradual network structure schematic diagram with S2b interfaces；

Fig. 5 be the embodiment of the present invention one in, the Emmergency call method flow chart of proposition；

Fig. 6 be the embodiment of the present invention two in, the Emmergency call method flow chart of proposition；

Fig. 7 be the embodiment of the present invention three in, the Emmergency call method flow chart of proposition；

Fig. 8 be the embodiment of the present invention four in, the Emmergency call method flow chart of proposition；

Fig. 9 be the embodiment of the present invention five in, the Emmergency call method flow chart of proposition；

Figure 10 be the embodiment of the present invention six in, the emergency call apparatus structure composition schematic diagram of proposition；

Figure 11 be the embodiment of the present invention in, the emergence call equipment structure composition schematic diagram of proposition；

Figure 12 be the embodiment of the present invention seven in, the emergency call apparatus structure composition schematic diagram of proposition.

Embodiment

To the main realization principle of technical scheme of the embodiment of the present invention, embodiment and its beneficial effect that should be able to be reached is set forth in below in conjunction with each accompanying drawing.

In the technical scheme that various embodiments of the present invention are proposed, UE can set up urgent call in ownership place access network, can also be in other areas in addition to ownership place (for ease of illustrating, referred to as visited place or roaming place) access network, set up urgent call.

Wherein, UE is in ownership place access network, set up the processing procedure of urgent call, can according to call business under normal circumstances processing mode, emergence call service is set up, can also be set up according to technical scheme proposed by the present invention in urgent call, the technical scheme that various embodiments of the present invention are provided, it will set up exemplified by urgent call to elaborate Emmergency call method with UE in roaming place access network.

It is that various embodiments of the present invention are proposed and/or for expression scheme to include two kinds of conditions of A and B, scheme includes A conditions, scheme includes three kinds of technical schemes of B conditions.

Embodiment one

The embodiment of the present invention one proposes a kind of Emmergency call method, as shown in figure 5, its specific handling process is for example following：

Step 50, UE sends urgent call and indicated.

Wherein, UE can pass through the internet key exchange second edition (English：Internet Key Exchange Version 2, abbreviation：IKEv2) signaling sends urgent call and indicated.

In a kind of preferably implementation, the technical scheme that the embodiment of the present invention one is proposed, UE sends IKEv2 signalings to network side, is indicated in IKEv2 signalings comprising urgent call.

Step 51, network side receives the urgent call instruction that UE is sent.

Wherein, if UE is to send urgent call by IKEv2 signalings to indicate, network side can be indicated by the IKEv2 signalings received, obtaining urgent call.If UE is to send urgent call by other signalings to indicate, network side obtains urgent call instruction in other signalings received.If UE is individually to send urgent call to network side to indicate, the urgent call that network side directly receives UE transmissions is indicated.

In a kind of preferably implementation, the technical scheme that the embodiment of the present invention one is proposed, UE sends IKEv2 signalings to network side, is indicated in IKEv2 signalings comprising urgent call.Network side can be indicated by the IKEv2 signalings received, obtaining urgent call.

Step 52, network side obtains UE positional information when the urgent call for receiving UE transmissions is indicated.

Wherein, UE positional information can UE and urgent call indicate that report network side or network side together obtains according to the urgent call instruction received.

UE positional information at least include it is following in one kind：

A：Visited place public land mobile network (English：Visited Public Land Mobile Network, abbreviation：VPLMN address).

The address for the vPLMN that UE is currently located.

B：Service set (English：Service Set Identifier, abbreviation：SSID)；

C：Geographical location information.

The geographic location information that UE is currently located, such as longitude, dimension.

D：BSSID (the English of WLAN access points：Basic service set identifier, abbreviation：BSSID).

E：Location type (English：Venue type).

UE positional information is obtained, can typically include following two ways：

A kind of mode is：UE reports the positional information of itself.UE positional information is pre-configured in UE in the case of this kind.For example by the locating module in UE, UE positional information is determined, then positional information is reported network side by UE.Or, UE is (English using network inquiry agreement is accessed：Access Network Query Protocol, abbreviation：ANQP) inquiry or DNS query, obtain the positional information of itself, the positional information inquired are reported into network side.

A kind of mode is：Network side can be when the urgent call for receiving UE transmissions be indicated, inquiry obtains UE positional information in DNS.

Step 53, it is determined that it is corresponding with UE positional information be used to setting up emergency call session set up information.

Wherein, set up information at least include it is following in one kind：

First way：Instruction for gravity treatment ePDG.

Wherein, network side equipment determines that UE needs to select the ePDG accesses in vPLMN, sets up urgent call, then it is the instruction for gravity treatment ePDG to set up information according to the positional information of the urgent call instruction received, and the UE obtained.

Wherein, the instruction for gravity treatment ePDG includes ePDG addresses corresponding with UE positional information；And/or ePDG marks corresponding with UE positional information.

The ePDG for being used for gravity treatment can be visited place v-ePDG addresses, and/or visited place v-ePDG marks.

The second way：Instruction for the credible access point of switching in urgent call.

Wherein, for switching in urgent call credible access point instruction, the instruction can be S2a interfaces urgent instruction (English：emergency indication).

Network side equipment determines that UE needs to select believable access network access network to set up urgent call according to the positional information of the urgent call instruction received, and the UE obtained.

For example, UE needs to access WLAN (English by believable mode：Wireless Local Area Networks, abbreviation：WLAN), urgent call is set up, or UE needs to select believable WLAN to access, and sets up urgent call.

The third mode：Instruction for selecting 3GPP network connections.

Network side equipment determines that UE needs to select 3GPP network connection access networks, sets up urgent call according to the positional information of the urgent call instruction received, and the UE obtained.This is used to select the instruction of 3GPP network connections can be 3GPP emergency indication.

4th kind of mode：Proxy Call Session Control Function (the English of emergency call service is provided for accessing：Proxy Call Session Control Function, abbreviation：P-CSCF) the instruction of network element.

Wherein, network side equipment determines that UE needs to select the P-CSCF network element access networks of visited place, sets up urgent call according to the positional information of the urgent call instruction received, and the UE obtained.The instruction for being used to access the P-CSCF network elements for providing emergency call service can include the address of P-CSCF network elements corresponding with positional information；And/or the mark of P-CSCF network elements corresponding with positional information.

Step 54, sent to UE and set up information.

Wherein, network side can be sent to UE by IKEv2 signalings and set up information.

Specifically, if set up information be for access provide emergency call service P-CSCF network elements instruction when, network side by the address of the P-CSCF network elements and/or identify create session request (English：Create session request) in, pass through Additional Agreement config option (English：Additional Protocol Configuration Options, abbreviation：APCO) cell is sent to ePDG, and the P-CSCF addresses in APCO are sent to UE by ePDG with IKEv2 signalings.

Step 55, UE is received and is set up information for set up emergency call session.

Step 56, UE sets up emergency call session according to information is set up.

Wherein, set up information at least include it is following in one kind：

First way：Instruction for gravity treatment ePDG.

Information is set up in the instruction for gravity treatment ePDG that UE receives network side transmission.UE reselects v-ePDG according to the instruction for gravity treatment ePDG, performs the process of Authentication Authorization, sets up urgent call.

Wherein, for switching in urgent call credible access point instruction, the instruction can be the emergency indication of S2a interfaces.

UE needs to access WLAN by believable mode, sets up urgent call, or UE needs to select believable WLAN to access, and sets up urgent call.

A kind of preferably embodiment, UE selects one to support credible WLAN accesses and supports the wlan network of urgent call.

The third mode：Instruction for selecting 3GPP network connections.

This is used to select the instruction of 3GPP network connections can be 3GPP emergency indication.

UE performs selection 3GPP network connections according to the instruction for being used to select 3GPP network connections received, and access 3GPP networks set up urgent call.

4th kind of mode：Instruction for accessing the P-CSCF network elements for providing emergency call service.

Wherein, the instruction for being used to access the P-CSCF network elements for providing emergency call service can include the address of P-CSCF network elements corresponding with positional information；And/or the mark of P-CSCF network elements corresponding with positional information.

When the instruction that UE receives for accessing the P-CSCF network elements for providing emergency call service is indicated, registration request is sent to the P-CSCF network elements, urgent call is set up.

In the technical scheme set forth above of the embodiment of the present invention one, no matter UE is in ownership place or positioned at visited place, when UE needs to carry out urgent call, obtain UE positional information, and then set up information when determining to set up urgent call according to positional information, and information will be set up be sent to UE, UE sets up urgent call according to the information of setting up received, is connected so that UE can be set up with the emergency call service network element of visited place.

Embodiment two

In the technical scheme that the embodiment of the present invention two is proposed, network side equipment mainly includes MME (not shown in Fig. 6) H-ePDG, v-ePDG, PGW, V-PCRF, H-PCRF, HSS/AAAServer etc..

MME is used to transmit and user equipment (English：User Equipment, abbreviation：UE NAS signaling between), the NAS signaling encryption to transmission, be UE distribution temporary identifications, be UE accesses The core network elements such as S-GW and P-GW are selected, and roaming, tracking, peace congruous function are provided for UE, MME corresponds to current UMTS (English：Universal Mobile Telecommunications System, abbreviation：UMTS) internal services GPRS (English：General Packet Radio Service abridge：GPRS) supporting node (English：Serving GPRS Support Node, abbreviation：SGSN control plane part).S-GW is local evolution base station (English：ENodeB it is used for the mobility anchor point switched between), and for providing the correlation functions such as Lawful Interception for UE.P-GW is used for the correlation functions such as the execution for distributing UE addresses, policy control and charging regulation, and Lawful Interception.

Wherein H-ePDG is the ePDG disposed in UE home network, and v-ePDG is the ePDG disposed in UE roaming networks.V-PCRF is the PCRF disposed in UE roaming networks, and H-PCRF is the PCRF disposed in UE home network.

The Emmergency call method that the embodiment of the present invention two is proposed, as shown in fig. 6, its specific handling process is for example following：

Step 61, UE selects H-ePDG, and sends IKEv2 signalings to the H-ePDG of selection.

Wherein, UE selects H-ePDG, and H-ePDG address can be pre-configured in UE or UE is obtained in DNS query.

UE includes urgent call in IKEv2 signalings and indicated and positional information current UE.UE positional information at least include it is following in one kind：

A：VPLMN address.

The address for the vPLMN that UE is currently located.

B：SSID；

C：Geographical location information.

D：The BSSID of WLAN access points.

E：Venue type.

Step 62, H-ePDG receives the IKEv2 signalings that UE is sent, and sends authentication request message to AAA server.

Wherein, authentication request message includes urgent call instruction and positional information current UE.

Specifically, the urgent call instruction received and positional information are sent to AAA server by H-ePDG via authentication request message.

Step 63, AAA server receive the authentication request message that H-ePDG is sent, and UE positional information is obtained in the authentication request message received.

Step 64, AAA server determine that the UE should select the ePDG access networks in vPLMN, so as to set up urgent call according to the UE of acquisition positional information.

Step 65, AAA server reply Authentication Authorization response message to H-ePDG.

Wherein Authentication Authorization response message includes the instruction for gravity treatment ePDG.

The instruction for being used for gravity treatment ePDG can be an instruction message, can also include ePDG addresses corresponding with UE positional information；And/or ePDG marks corresponding with UE positional information.

Specifically, for v-ePDG address or v-ePDG mark can be included in gravity treatment ePDG instruction.

Step 66, H-ePDG receives the Authentication Authorization response message that AAA server are replied.

Step 67, H-ePDG obtains the instruction for gravity treatment ePDG in the Authentication Authorization response message received.

Step 68, the instruction for gravity treatment ePDG of acquisition is sent to UE by H-ePDG by IKEv2 signalings.

Accordingly for 62~step 68 of above-mentioned steps, it can also perform as steps described below：

Step 62 ', H-ePDG receives the IKEv2 signalings that UE is sent, and obtains urgent call and indicates and positional information current UE.

Step 63 ', H-ePDG determines that UE should select the ePDG in vPLAN to access and set up urgent call.

Step 64 ', H-ePDG will be sent to UE for gravity treatment ePDG instruction by IKEv2 signalings.

Step 62~step 68 is contrasted, with step 62 '~step 64 ', it is known that, step 62 '~step 64 ' can To save H-ePDG to AAA Authentication Authorization process, accelerate urgent call and set up process.

Step 69, UE receives the IKEv2 signalings that H-ePDG is sent, and obtains in the IKEv2 signalings received the instruction for gravity treatment ePDG.

Step 70, UE reselects v-ePDG accesses according to the instruction for gravity treatment ePDG of acquisition.

Step 71, UE sends IKEv2 signalings to the v-ePDG of selection.

Step 72, v-ePDG receives the IKEv2 signalings that UE is sent, and sends authentication request message to AAA server.

Step 73, AAA server receive the authentication request message that v-ePDG is sent, and reply Authentication Authorization response message to v-ePDG.

Step 74, after authentication passes through, v-ePDG sends the establishment session request (create session request) for setting up urgent call to PGW.

Step 75, PGW, which is replied, creates conversational response (create sessionresponse), is that PDN connections are set up in the urgent call that this UE is initiated.

Step 76, v-ePDG receives create session response, and it is the IP address that UE is distributed to obtain PGW.

Step 77, v-ePDG sends IKEv2 signalings to UE.

Wherein, IKEv2 signalings include the IP address distributed for the UE.

Embodiment three

In the technical scheme that the embodiment of the present invention three is proposed, network side equipment mainly includes H-ePDG, WLAN access gateway TWAG, PGW, V-PCRF, H-PCRF, HSS/AAAServer etc..The Emmergency call method that the embodiment of the present invention three is proposed, as shown in fig. 7, its specific handling process is for example following：

Step 701, UE selects H-ePDG, and sends IKEv2 signalings to the H-ePDG of selection.

Wherein, UE selects H-ePDG, and the address of the H-ePDG can be pre-configured in UE or UE is obtained in DNS query.

A：VPLMN address.

The address for the vPLMN that UE is currently located.

B：SSID.

C：Geographical location information.

D：The BSSID of WLAN access points.

E：Venue type.

Step 702, H-ePDG receives the IKEv2 signalings that UE is sent, and sends authentication request message to AAA server.

Step 703, AAA server receive the authentication request message that H-ePDG is sent, and UE positional information is obtained in the authentication request message received.

Step 704, AAA server determine that the UE should select believable access way to access, so as to set up urgent call according to the UE of acquisition positional information.

Step 705, AAA server reply Authentication Authorization response message to H-ePDG.

Wherein Authentication Authorization response message includes the instruction of the credible access point for switching in urgent call.

Wherein, for switching in urgent call credible access point instruction, the instruction can be S2aemergency indication.

The believable WLAN can support the urgent call access point (English of visited place：Emergency Access Point Name, abbreviation：emergency APN).

Step 706, H-ePDG receives the Authentication Authorization response message that AAA server are replied.

Step 707, H-ePDG obtains urgent for accessing in the Authentication Authorization response message received The instruction of the credible access point of calling.

Step 708, the instruction of the credible access point for switching in urgent call of acquisition is sent to UE by H-ePDG by IKEv2 signalings.

Accordingly for 702~step 708 of above-mentioned steps, it can also perform as steps described below：

Step 702 ', H-ePDG receives the IKEv2 signalings that UE is sent, and obtains urgent call and indicates and positional information current UE.

Step 703 ', H-ePDG determines that the UE should select believable access way to access, so as to set up urgent call.

Step 704 ', the instruction for the credible access point for switching in urgent call determined is sent to UE by H-ePDG by IKEv2 signalings.

Step 702~step 708 is contrasted, with step 702 '~step 708 ', it is known that, step 702 '~step 708 ' H-ePDG to AAA Authentication Authorization process can be saved, accelerate urgent call and set up process.

Step 709, UE receives the IKEv2 signalings that H-ePDG is sent, and obtains in the IKEv2 signalings received the instruction of the credible access point for switching in urgent call.

Step 710, UE performs WLAN re-selection procedures according to the instruction of the credible access point for switching in urgent call of acquisition.

Step 711, the WLAN that UE accesses are reselected, and the WLAN by reselecting, authentication request message is sent to AAA server.

Step 712, AAA server receive the authentication request message that UE is sent, and reply Authentication Authorization response message.

Step 713, after authentication passes through, UE sends WLAN control protocols (English：WLAN Control Protocol, abbreviation：WLCP) PDN connections, which are set up, asks to credible WLAN access gatewaies TWAG, TWAG to send the create session request for setting up urgent call to PGW.

Step 714, PGW replys create sessionresponse, is that PDN connections are set up in the urgent call that this UE is initiated.

Step 715, the create sessionresponse that UE is received, obtain the IP address of PGW distribution.

Example IV

In the technical scheme that the embodiment of the present invention four is proposed, network side equipment is mainly including MME, H-ePDG, PGW, HSS/AAAServer etc..The Emmergency call method that the embodiment of the present invention four is proposed, as shown in figure 8, its specific handling process is for example following：

Step 801, UE selects H-ePDG, and sends IKEv2 signalings to the H-ePDG of selection.

A：VPLMN address.

The address for the vPLMN that UE is currently located.

B：SSID；

C：Geographical location information.

D：The BSSID of WLAN access points.

E：Venue type.

Step 802, H-ePDG receives the IKEv2 signalings that UE is sent, and sends authentication request message to AAA server.

Step 803, AAA server receive the authentication request message that H-ePDG is sent, and UE positional information is obtained in the authentication request message received.

Step 804, AAA server determine that the UE should select 3GPP network insertions, so as to set up urgent call according to the UE of acquisition positional information.

Step 805, AAA server reply Authentication Authorization response message to H-ePDG.

Wherein Authentication Authorization response message includes the instruction for being used to select 3GPP network connections.

Step 806, H-ePDG receives the Authentication Authorization response message that AAA server are replied.

Step 807, H-ePDG obtains the instruction for selecting 3GPP network connections in the Authentication Authorization response message received.

Step 808, the instruction for gravity treatment ePDG of acquisition is sent to UE by H-ePDG by IKEv2 signalings.

Accordingly for 802~step 808 of above-mentioned steps, it can also perform as steps described below：

Step 802 ', H-ePDG receives the IKEv2 signalings that UE is sent, and obtains urgent call and indicates and positional information current UE.

Step 803 ', H-ePDG determines that the UE should select 3GPP network insertions, so as to set up urgent call.

Step 804 ', the instruction for gravity treatment ePDG determined is sent to UE by H-ePDG by IKEv2 signalings.

Step 802~step 808 is contrasted, with step 802 '~step 808 ', it is known that, step 802 '~step 808 ' H-ePDG to AAA Authentication Authorization process can be saved, accelerate urgent call and set up process.

Step 809, UE receives the IKEv2 signalings that H-ePDG is sent, and obtains in the IKEv2 signalings received the instruction for selecting 3GPP network connections.

Step 810, UE selects 3GPP network insertions according to the instruction for being used to select 3GPP network connections of acquisition.

Step 811, UE sends PDN connections to MME and sets up request.

Step 812, MME receives PDN connections and sets up request, sends session establishment and asks that this message is transmitted into PGW to SGW, SGW.

Step 813, PGW replys session establishment response message, is UE distribution IP address.UE is successfully established PDN connections in 3GPP networks.

Step 814, UE sets up urgent call using the PGW IP address distributed.

In technical scheme set forth above of the embodiment of the present invention, if UE have selected the SGSN in 2/3G network insertions, MME correspondence 2/3G networks, request correspondence PDP context activation request is set up in PDN connections.

Embodiment five

In the technical scheme that the embodiment of the present invention five is proposed, network side equipment mainly includes H-ePDG, PGW, V-PCRF, AAA proxy, H-PCRF, HSS/AAAServer etc..The Emmergency call method that the embodiment of the present invention five is proposed, as shown in figure 9, its specific handling process is for example following：

Step 901, UE selects H-ePDG, and sends IKEv2 signalings to the H-ePDG of selection.

UE includes urgent call in IKEv2 signalings and indicated and positional information current UE.The positional information can be vPLMN ID or SSID etc..

Step 902, H-ePDG receives the IKEv2 signalings that UE is sent, and sends authentication request message to AAA server.

Step 903, AAA server receive the authentication request message that H-ePDG is sent, and UE positional information is obtained in the authentication request message received.

Step 904, AAA server determine that the information of setting up that UE sets up urgent call is the instruction for accessing the P-CSCF network elements for providing emergency call service according to the UE of acquisition positional information.

Step 905, AAA server reply Authentication Authorization response message to H-ePDG.

Wherein Authentication Authorization response message includes the instruction for being used to access the P-CSCF network elements for providing emergency call service.

Specifically, in the technical scheme that the embodiment of the present invention five is proposed, the instruction for accessing the P-CSCF network elements for providing emergency call service is described in detail by taking the address of P-CSCF network elements as an example.The address of the P-CSCF network elements will be quoted in following step.

Step 906, H-ePDG receives the Authentication Authorization response message that AAA server are replied.

Step 907, H-ePDG obtains the address of P-CSCF network elements in the Authentication Authorization response message received.

Accordingly for 902~step 907 of above-mentioned steps, it can also perform as steps described below：

Step 902 ', H-ePDG receives the IKEv2 signalings that UE is sent, and obtains urgent call and indicates and positional information current UE.

Step 903 ', H-ePDG determines that the information of setting up that UE sets up urgent call is the instruction for accessing the P-CSCF network elements for providing emergency call service.

Step 904 ', the address of P-CSCF network elements is sent to UE by H-ePDG by IKEv2 signalings.

Step 902~step 907 is contrasted, with step 902 '~step 908 ', it is known that, step 902 '~step 907 ' H-ePDG to AAA Authentication Authorization process can be saved, accelerate urgent call and set up process.

Step 908, H-ePDG sends create session request to PGW.

Wherein, create session request include the address of the P-CSCF network elements obtained.

Step 909, PGW obtains the address of P-CSCF network elements in the create session request received.

Step 910, the address of the P-CSCF network elements of acquisition is sent to UE by PGW.

Wherein, the address of the P-CSCF network elements of acquisition is sent to H-ePDG by PGW by APCO cells, and the P-CSCF network element address in APCO is sent to UE by H-ePDG with IKEv2 signalings.

UE obtains the address of P-CSCF network elements, and UE subsequently initiates to register to the corresponding P-CSCF network elements in address of the P-CSCF network elements, sets up emergency call service connection.

Embodiment six

The embodiment of the present invention six proposes a kind of Emmergency call method, and its specific handling process is for example following：

Step one：Receive the urgent call instruction that UE is sent.

Step 2：When the urgent call for receiving UE transmissions is indicated, UE positional information is obtained.

Step 3：Determined to set up information for set up emergency call session according to UE positional information.

Wherein, set up information at least include it is following in one kind：

The first：Instruction for the packet data gateway ePDG of gravity treatment evolution.

Specifically, the instruction for gravity treatment ePDG, including：EPDG addresses corresponding with positional information；And/or ePDG marks corresponding with positional information.

Second：Instruction for the credible access point of switching in urgent call.

The third：Instruction for selecting third generation Partnership Program 3GPP network connections.

4th kind：Instruction for accessing the P-CSCF network elements for providing emergency call service.

Specifically, for the instruction for the P-CSCF network elements for accessing offer emergency call service, including：The address of P-CSCF network elements corresponding with positional information；And/or the mark of P-CSCF network elements corresponding with positional information.

Step 4：Information is set up to UE transmissions are described.

Accordingly, the embodiment of the present invention also proposes a kind of emergency call apparatus, as shown in Figure 10, including：

Receiving module 101, the urgent call for receiving UE transmissions is indicated, and urgent call instruction is transferred into acquisition module 102.

Acquisition module 102, during for being indicated in the urgent call for receiving the receiving module transmission, obtains the positional information of the UE.

Determining module 103, for being determined to set up information for set up emergency call session according to the positional information of the UE.

Specifically, above-mentioned determining module 103 determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

Specifically, the instruction for gravity treatment ePDG that above-mentioned determining module 103 is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

Specifically, the instruction for being used to access the P-CSCF network elements that emergency call service is provided that above-mentioned determining module 103 is determined, including：The address of P-CSCF network elements corresponding with the positional information；With / or P-CSCF network elements corresponding with the positional information mark.

Sending module 104, for setting up information to UE transmissions are described.

Correspondingly, the embodiment of the present invention six also proposes a kind of emergence call equipment, as shown in figure 11, including：Interface 111, memory 112, signal processor 113.Wherein, connected between interface 111, memory 112, signal processor 113 by bus and transmit data.

Interface 111, the urgent call for receiving user terminal UE transmissions is indicated, and urgent call instruction is transferred into signal processor 113.

Interface can be one or more of：Network interface controller (the English of wireline interface is provided：Network interface controller, abbreviation：NIC), such as Ethernet NIC, the Ethernet NIC can provide copper cash and/or optical fiber interface；The NIC of wave point, such as WLAN (English are provided：Wireless local area network, abbreviation：WLAN)NIC.

Memory 112, for storage program instruction.

Memory can be volatile memory (English：Volatile memory), such as random access memory (English：Random-access memory, abbreviation：RAM)；Or nonvolatile memory (English：Non-volatile memory), such as flash memory (English：Flash memory), hard disk (English：Hard disk drive, abbreviation：HDD) or solid state hard disc (English：Solid-state drive, abbreviation：SSD)；Or the combination of the memory of mentioned kind.

Signal processor 113, for according to the programmed instruction stored in the memory 112, when the urgent call for receiving the interface transmission is indicated, obtaining UE positional information；Determined to set up information for set up emergency call session according to the positional information of the UE；By the information transfer of setting up to the interface 111.

Signal processor can be central processing unit (English：Central processing unit, abbreviation：CPU), or CPU and hardware chip combination.Signal processor can also be network processing unit (English：Network processor, abbreviation：NP).Either CPU and NP combination, or NP and hardware chip combination.

Above-mentioned hardware chip can be the combination of one or more of：Application specific integrated circuit (English：Application-specific integrated circuit, abbreviation：ASIC), field programmable gate array (English Text：Field-programmable gate array, abbreviation：FPGA), CPLD (English：Complex programmable logic device, abbreviation：CPLD).

Specifically, above-mentioned signal processor 113 determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

Specifically, the instruction for gravity treatment ePDG that above-mentioned signal processor 113 is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

Specifically, the instruction for being used to access the P-CSCF network elements that emergency call service is provided that above-mentioned signal processor 113 is determined, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Above-mentioned interface 111, is additionally operable to set up information to UE transmissions are described.

Embodiment seven

The embodiment of the present invention seven proposes a kind of Emmergency call method, and its specific handling process is for example following：

Step one：UE sends urgent call and indicated.

Step 2：Receive and corresponding with UE positional information set up information for set up emergency call session.

Step 3：Emergency call session is set up according to information is set up.

Wherein, set up information at least include it is following in one kind：

Wherein, the instruction for gravity treatment ePDG, including：EPDG addresses corresponding with positional information；And/or ePDG marks corresponding with positional information.

Second：Instruction for the credible access point of switching in urgent call.

4th kind：Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

Wherein, for the instruction for the P-CSCF network elements for accessing offer emergency call service, including：With it is described The address of the corresponding P-CSCF network elements of positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Specifically, it is that when ePDG instruction is drilled for gravity treatment, emergency call session is set up according to the information of setting up to set up information, including：Emergency call session is set up in the ePDG accesses of UE selections roaming place.

Specifically, when to set up information be the instruction for the credible access point of switching in urgent call, emergency call session is set up according to the information of setting up, including：UE selects believable WLAN accesses, sets up urgent call

Specifically, when to set up information be the instruction for selecting 3GPP network connections, emergency call session is set up according to the information of setting up, including：The UE selects 3GPP network connections, sets up emergency call session.

Specifically, set up information be for access provide emergency call service P-CSCF network elements instruction when, set up emergency call session according to the information of setting up, including：Registration request is sent to the P-CSCF network elements, emergency call session is set up.

Correspondingly, the embodiment of the present invention proposes a kind of emergency call apparatus, as shown in figure 12, including：

Sending module 121, is indicated for sending urgent call.

Receiving module 122, information is set up for receiving corresponding with UE positional information for set up emergency call session.

Wherein, above-mentioned receiving module 122 receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

Wherein, the instruction for gravity treatment ePDG that above-mentioned receiving module 122 is received, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

Wherein, the instruction for being used to access the P-CSCF network elements that emergency call service is provided that above-mentioned receiving module 122 is received, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Module 123 is set up, for setting up emergency call session according to the information of setting up.

Specifically, the information of setting up that the receiving module is received is when ePDG instruction is drilled for gravity treatment；Above-mentioned to set up module 123, emergency call session is set up in the ePDG accesses specifically for selection UE roaming places.

Specifically, what the receiving module was received is described when to set up information be the instruction for the credible access point of switching in urgent call, above-mentioned to set up module 123, specifically for selecting believable WLAN to access, sets up urgent call

Specifically, what the receiving module was received is described when to set up information be the instruction for selecting 3GPP network connections, described to set up module, specifically for selection 3GPP network connections, sets up emergency call session.

Specifically, the receiving module receive it is described set up information be for access provide emergency call service P-CSCF network elements instruction when, it is described to set up module, specifically for the P-CSCF network elements send registration request, set up emergency call session.

Correspondingly, the embodiment of the present invention also proposes a kind of emergence call equipment, and its structure composition is identical with Figure 11, including interface 111, memory 112, signal processor 113.Wherein, connected between interface 111, memory 112, signal processor 113 by bus and transmit data.

Interface 111, is indicated for sending urgent call.

Interface can be one or more of：NIC, such as the Ethernet NIC of wireline interface are provided, the Ethernet NIC can provide copper cash and/or optical fiber interface；The NIC, such as WLANNIC of wave point are provided.

Memory 112, for storage program instruction.

Memory can be volatile memory, such as RAM；Or non-volatile memory, such as flash memory, HDD or SSD；Or the combination of the memory of mentioned kind

Signal processor 113, for the programmed instruction according to 112 storages in the memory, receives and corresponding with UE positional information sets up information for set up emergency call session；Emergency call session is set up according to the information of setting up.

Signal processor can be CPU, or CPU and hardware chip combination.Signal processor can also be NP.Either CPU and NP combination, or NP and hardware chip combination.

Above-mentioned hardware chip can be the combination of one or more of：ASIC, FPGA, CPLD.

Specifically, above-mentioned signal processor 113 receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.

Specifically, the instruction for gravity treatment ePDG that above-mentioned signal processor 113 is received, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.

Specifically, the instruction for being used to access the P-CSCF network elements that emergency call service is provided that above-mentioned signal processor 113 is received, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.

Specifically, the information of setting up that above-mentioned signal processor 113 is received is when ePDG instruction is drilled for gravity treatment；Emergency call session is set up in the ePDG accesses of selection UE roaming places.

Specifically, what above-mentioned signal processor 113 was received is described when to set up information be the instruction for the credible access point of switching in urgent call, selects believable WLAN accesses, sets up urgent call.

Specifically, what above-mentioned signal processor 113 was received is described when to set up information be the instruction for selecting 3GPP network connections, selects 3GPP network connections, sets up emergency call session.

Specifically, above-mentioned signal processor 113 receive it is described set up information be for access provide emergency call service P-CSCF network elements instruction when, to the P-CSCF network elements send registration request, set up emergency call session.

It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device (equipment) or computer program product.Therefore, the form of the embodiment in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware.Moreover, the present invention can use the form for the computer program product implemented in one or more computer-usable storage mediums (including but is not limited to magnetic disk storage, read-only optical disc, optical memory etc.) for wherein including computer usable program code.

The present invention is flow chart and/or block diagram with reference to method according to embodiments of the present invention, device (equipment) and computer program product to describe.It should be understood that can be by the flow in each flow and/or square frame, flow chart and/or block diagram in computer program instructions implementation process figure and/or block diagram and/or the knot of square frame Close.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce a machine so that produce the device for being used for realizing the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames by the instruction of the computing device of computer or other programmable data processing devices.

These computer program instructions may be alternatively stored in the computer-readable memory that computer or other programmable data processing devices can be guided to work in a specific way, so that the instruction being stored in the computer-readable memory, which is produced, includes the manufacture of command device, the command device realizes the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

These computer program instructions can be also loaded into computer or other programmable data processing devices, so that series of operation steps is performed on computer or other programmable devices to produce computer implemented processing, so that the instruction performed on computer or other programmable devices provides the step of being used to realize the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.

Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creative concept, then other change and modification can be made to these embodiments.So, appended claims are intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.

Obviously, those skilled in the art can carry out various changes and modification to the present invention without departing from the spirit and scope of the present invention.So, if these modifications and variations of the present invention belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims

A kind of Emmergency call method, it is characterised in that including：

When the urgent call for receiving UE transmissions is indicated, the positional information of the UE is obtained；

Determined to set up information for set up emergency call session according to the positional information of the UE；

Information is set up to UE transmissions are described.
The method as described in claim 1, it is characterised in that it is described set up information at least include it is following in one kind：

Instruction for the packet data gateway ePDG of gravity treatment evolution；

Instruction for the credible access point of switching in urgent call；

Instruction for selecting third generation Partnership Program 3GPP network connections；

Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Method as claimed in claim 2, it is characterised in that the instruction for gravity treatment ePDG, including：

EPDG addresses corresponding with the positional information；And/or

EPDG marks corresponding with the positional information.
Method as claimed in claim 2, it is characterised in that the instruction for accessing the P-CSCF network elements for providing emergency call service, including：

The address of P-CSCF network elements corresponding with the positional information；And/or

The mark of P-CSCF network elements corresponding with the positional information.
A kind of Emmergency call method, it is characterised in that including：

UE sends urgent call and indicated；

Receive and corresponding with the positional information of the UE set up information for set up emergency call session；And

Emergency call session is set up according to the information of setting up.
Method as claimed in claim 5, it is characterised in that it is described set up information at least include it is following in one kind：

Instruction for the packet data gateway ePDG of gravity treatment evolution；

Instruction for the credible access point of switching in urgent call；

Instruction for selecting third generation Partnership Program 3GPP network connections；

Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Method as claimed in claim 6, it is characterised in that the instruction for gravity treatment ePDG, including：

EPDG addresses corresponding with the positional information；And/or

EPDG marks corresponding with the positional information.
Method as claimed in claim 6, it is characterised in that the instruction for accessing the P-CSCF network elements for providing emergency call service, including：

The address of P-CSCF network elements corresponding with the positional information；And/or

The mark of P-CSCF network elements corresponding with the positional information.
Method as claimed in claim 6, it is characterised in that the information of setting up is that when ePDG instruction is drilled for gravity treatment, emergency call session is set up according to the information of setting up, including：

Emergency call session is set up in the ePDG accesses of UE selections roaming place.
Method as claimed in claim 6, it is characterised in that described to set up emergency call session according to the information of setting up when to set up information be the instruction for the credible access point of switching in urgent call, including：

The UE selects believable WLAN accesses, sets up urgent call
Method as claimed in claim 6, it is characterised in that described to set up emergency call session according to the information of setting up when to set up information be the instruction for selecting 3GPP network connections, including：

The UE selects 3GPP network connections, sets up emergency call session.
Method as claimed in claim 6, it is characterised in that described to set up emergency call session according to the information of setting up when to set up information be the instruction for accessing the P-CSCF network elements for providing emergency call service, including：

Registration request is sent to the P-CSCF network elements, emergency call session is set up.
A kind of emergency call apparatus, it is characterised in that including：

Receiving module, the urgent call for receiving user terminal UE transmissions is indicated, and urgent call instruction is transferred into acquisition module；

Acquisition module, during for being indicated in the urgent call for receiving the receiving module transmission, obtains the positional information of the UE；

Determining module, for being determined to set up information for set up emergency call session according to the positional information of the UE；

Sending module, for setting up information to UE transmissions are described.
Device as claimed in claim 13, it is characterised in that the determining module determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Device as claimed in claim 14, it is characterised in that the instruction for gravity treatment ePDG that the determining module is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.
Device as claimed in claim 14, it is characterised in that what the determining module was determined is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.
A kind of emergency call apparatus, it is characterised in that including：

Sending module, is indicated for sending urgent call；

Receiving module, information is set up for receiving corresponding with UE positional information for set up emergency call session；

Module is set up, for setting up emergency call session according to the information of setting up.
Device as claimed in claim 17, it is characterised in that the receiving module receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；For selecting third generation Partnership Program The instruction of 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Device as claimed in claim 18, it is characterised in that the instruction for gravity treatment ePDG that the receiving module is received, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.
Device as claimed in claim 18, it is characterised in that what the receiving module was received is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.
Device as claimed in claim 18, it is characterised in that the information of setting up that the receiving module is received is when ePDG instruction is drilled for gravity treatment；

Described to set up module, emergency call session is set up in the ePDG accesses specifically for selection UE roaming places.
Device as claimed in claim 18, it is characterised in that it is described when to set up information be the instruction for the credible access point of switching in urgent call that the receiving module is received,

It is described to set up module, specifically for selecting believable WLAN to access, set up urgent call
Device as claimed in claim 18, it is characterised in that it is described when to set up information be the instruction for selecting 3GPP network connections that the receiving module is received,

Emergency call session is set up according to the information of setting up, including：

It is described to set up module, specifically for selection 3GPP network connections, set up emergency call session.
Device as claimed in claim 18, it is characterised in that it is described when to set up information be the instruction for accessing the P-CSCF network elements for providing emergency call service that the receiving module is received,

It is described to set up module, specifically for sending registration request to the P-CSCF network elements, set up emergency call session.
A kind of emergence call equipment, it is characterised in that including：

Interface, the urgent call for receiving user terminal UE transmissions is indicated, and urgent call instruction is transferred into signal processor；

Memory, for storage program instruction；

Signal processor, for according to the programmed instruction stored in the memory, receiving described connect When the urgent call of port transmission is indicated, the positional information of the UE is obtained；Determined to set up information for set up emergency call session according to the positional information of the UE；By the information transfer of setting up to the interface；

The interface, is additionally operable to set up information to UE transmissions are described.
Equipment as claimed in claim 25, it is characterised in that the signal processor determine it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Equipment as claimed in claim 26, it is characterised in that the instruction for gravity treatment ePDG that the signal processor is determined, including：EPDG addresses corresponding with the positional information；And/or ePDG marks corresponding with the positional information.
Equipment as claimed in claim 26, it is characterised in that what the signal processor was determined is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.
A kind of emergence call equipment, it is characterised in that including：

Interface, is indicated for sending urgent call,

Memory, for storage program instruction；

Signal processor, information is set up for according to the programmed instruction stored in the memory, receiving corresponding with UE positional information for set up emergency call session；Emergency call session is set up according to the information of setting up.
Equipment as claimed in claim 29, it is characterised in that the signal processor receive it is described set up information at least include it is following in one kind：Instruction for the packet data gateway ePDG of gravity treatment evolution；Instruction for the credible access point of switching in urgent call；Instruction for selecting third generation Partnership Program 3GPP network connections；Instruction for accessing the Proxy Call Session Control Function P-CSCF network elements for providing emergency call service.
Equipment as claimed in claim 30, it is characterised in that the instruction for gravity treatment ePDG that the signal processor is received, including：EPDG addresses corresponding with the positional information；With/ Or ePDG marks corresponding with the positional information.
Equipment as claimed in claim 30, it is characterised in that what the signal processor was received is used for the instruction that access provides the P-CSCF network elements of emergency call service, including：The address of P-CSCF network elements corresponding with the positional information；And/or the mark of P-CSCF network elements corresponding with the positional information.
Equipment as claimed in claim 30, it is characterised in that the information of setting up that the signal processor is received is when ePDG instruction is drilled for gravity treatment；Emergency call session is set up in the ePDG accesses of selection UE roaming places.
Equipment as claimed in claim 30, it is characterised in that it is described when to set up information be the instruction for the credible access point of switching in urgent call that the signal processor is received, and selects believable WLAN accesses, sets up urgent call.
Equipment as claimed in claim 30, it is characterised in that it is described when to set up information be the instruction for selecting 3GPP network connections that the signal processor is received, and selects 3GPP network connections, sets up emergency call session.
Equipment as claimed in claim 30, it is characterized in that, the signal processor receive it is described set up information be for access provide emergency call service P-CSCF network elements instruction when, to the P-CSCF network elements send registration request, set up emergency call session.