CN102244848B - The implementation method of emergency short message and system - Google Patents
The implementation method of emergency short message and system Download PDFInfo
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- CN102244848B CN102244848B CN201010176829.9A CN201010176829A CN102244848B CN 102244848 B CN102244848 B CN 102244848B CN 201010176829 A CN201010176829 A CN 201010176829A CN 102244848 B CN102244848 B CN 102244848B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/90—Services for handling of emergency or hazardous situations, e.g. earthquake and tsunami warning systems [ETWS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/50—Connection management for emergency connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/08—Upper layer protocols
- H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
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Abstract
The invention discloses a kind of implementation method and system of emergency short message, belong to the communications field.Wherein, described method comprises: P-CSCF receives from the emergency message request of roamer, when to resolve the request address obtained from described emergency message request be the number at emergency short message center, by described emergency message request forward to E-CSCF; The address of the PSAP of correspondence, according to the positional information of user, is inserted in described emergency message request by E-CSCF, and by E-IP-SM-GW, described emergency message request is converted to emergency short message, forwards described emergency short message to described emergency short message center.Request address in the emergency message request that the present invention adopts is the number at emergency short message center, and this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but processes in this locality, improves the performance of system.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of implementation method and system of emergency short message.
Background technology
See Fig. 1, for IMS (the IP Multimedia Core NetworkSubsystem based on short message, IP Multimedia System) structural representation, comprising short message transmit leg UE (User Equipment, subscriber equipment) 101, P-CSCF (Proxy Call sessionControl Function, agent conversation control function entity) 102, S-CSCF (Serving CallSession Control Function, serving CSCF) 103, perform service call conversation control function, IP-SM-GW (IP-Short-Message-Gateway, IP short messaging gateway) 104, perform IMS domain instant message to CS (Circuit Switch, circuit switching) conversion between the short message of territory, SMS-GMSC (Gateway MSC For Short MessageServices, short message service gateway MSC)/SMS-IWMSC (Interworking MSCFor Short Message Service, the mutual MSC of short message service) 105, HSS (HighSpeed Switch, high speed switch) 106, SC (Service Centre, short message service center) 107.Wherein the number of short message service center is configured on user mobile phone, it is generally user attaching network allocation, though user on the home network or roaming on other networks, the number of this short message service center is all constant, and is arranged in the home network of user.IP-SM-GW mainly does the conversion between IP Multimedia System message format and CS territory short message format as IP short messaging gateway.
Messaging service in above-mentioned IP IP multimedia subsystem, IMS can realize IMS user to CS user and the IMS user request of sending SMS message, wherein SIP (the SessionInitiation Protocol that sends of IMS side, conversation initialized protocol) request address of message request is the address of short message service center, no matter so user in the home network, or in roaming network, this message request all can first be issued in the short message service center of user ascription area, then delivered to reception user by short message service center, and the content of the address of recipient and short message is all be encapsulated in sip message request with the form of short message, and P-CSCF, these IMS network elements of S-CSCF can not unpack this encapsulation, only have IP-SM-GW can understand this encapsulation, also only have and just can know whom the real recipient of this short message is to IP-SM-GW.
Because the application (no matter CS territory or IMS domain) of short message is more and more, the application of cellphone subscriber to short message also more and more relies on, especially for the people of deaf-mute or obstacle of speaking, they wish to complete all business with short message.Such as: use short message to complete the business of similar urgent call, a urgent note is sent to EC, but the business short message of such as urgent call class realizes also having certain difficulty at present, first, if this user is positioned at roaming place this moment, short message service center as ownership place cannot know that the EC of roaming place is arranged, thus this note cannot be delivered on suitable EC; Secondly, by the demand of voice urgent call, urgent call should be in user's current location process, namely when user roams into another network time, this calling should the ownership place at route reuse family, but should process in locality, and according to correlation technique, emergency short message will be routed to ownership place.For these problems, at present effective solution is not yet proposed.
Summary of the invention
Main purpose of the present invention is the implementation method and the system that provide a kind of emergency short message, at least to solve the problem.
According to an aspect of the present invention, provide a kind of implementation method of emergency short message, comprise: agent conversation control function entity P-CSCF receives the emergency message request from roamer, when to resolve the request address obtained from urgent message request be the number at emergency short message center, by emergency message request forward to emergent session controlling functions entity E-CSCF; E-CSCF is according to the positional information of user, the address of the public safety answering center PSAP of correspondence is inserted in emergency message request, and by urgent IP short messaging gateway E-IP-SM-GW, emergency message request is converted to emergency short message, short message service center's number wherein in emergency short message is the number at emergency short message center, called number is the address of PSAP, forwards emergency short message to emergency short message center.
According to a further aspect in the invention, what provide a kind of emergency short message realizes system, comprise: agent conversation control function entity P-CSCF, for receiving the emergency message request from roamer, when to resolve the request address obtained from urgent message request be the number at emergency short message center, by emergency message request forward to emergent session controlling functions entity E-CSCF; E-CSCF, for the positional information according to user, the address of the public safety answering center PSAP of correspondence is inserted in emergency message request, and by urgent IP short messaging gateway E-IP-SM-GW, emergency message request is converted to emergency short message, short message service center's number wherein in emergency short message is the number at emergency short message center, called number is the address of PSAP, forwards emergency short message to emergency short message center.
Pass through the present invention, request address in the emergency message request adopted is emergency telephone number, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, solve the problem that short message is routed reuse family home network, and then improve the performance of system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the IMS structural representation based on short message according to correlation technique;
Fig. 2 is the implementation method flow chart of the emergency short message according to the embodiment of the present invention one;
Fig. 3 is the IMS system configuration schematic diagram according to the embodiment of the present invention two;
Fig. 4 is the implementation method flow chart of the emergency short message according to the embodiment of the present invention two;
Fig. 5 is the attaching process schematic diagram according to the embodiment of the present invention two;
Fig. 6 is for user distributes emergency short message center process schematic according to the network of the embodiment of the present invention two;
Fig. 7 is the implementation method flow chart of the emergency short message according to the embodiment of the present invention three;
Fig. 8 is the implementation method flow chart of the emergency short message according to the embodiment of the present invention four;
Fig. 9 realizes system architecture diagram according to the emergency short message of the embodiment of the present invention five; And
Figure 10 realizes system architecture diagram according to another emergency short message of the embodiment of the present invention five.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
IMS system comprises user equipment (UE), home network and visited network, and the relevant communication standards of IMS is followed in the connection in home network and visited network between each network element.Introduce each embodiment of the present invention below all to be implemented based on IMS system.
Embodiment one
Fig. 2 shows the implementation method flow chart of the emergency short message according to the embodiment of the present invention, comprises the following steps:
Step 202, P-CSCF receives the emergency message request from roamer, when to resolve the request address obtained from urgent message request be the number at emergency short message center, by this emergency message request forward to E-CSCF (Emergency-CSCF, emergent session controlling functions entity);
Wherein, the number at the emergency short message center of this user be its when roaming into visited network, this visited network provides; Specifically provide the number at emergency short message center can adopt following two kinds of modes: the number at emergency short message center, in above-mentioned Client-initiated attaching process, is supplied to this user by the mobile management network element MME 1) in visited network; 2) base station of the community of visited network is after user is linked into this community, by broadcast channel, the number at emergency short message center is supplied to this user.
EC in the present embodiment can be independent equipment, also can be arranged in the short message call in visited network in the heart; If emergency short message center is be arranged in the short message service center of visited network, then the number at emergency short message center can be the number of this short message service center and the combination promptly identified, such as, the number of short message service center is 123456, promptly be designated A, then the number at emergency short message center can be 123456A, also can be A123456.
Step 204, E-CSCF is according to the positional information of user, by public safety answering center PSAP (the Public Safety Answering Point of correspondence, public safety answering center) address be inserted in emergency message request, and by E-IP-SM-GW (Emergency-IP-SM-GW, urgent IP short messaging gateway) emergency message request is converted to emergency short message, short message service center's number wherein in emergency short message is the number at emergency short message center, called number is the address of PSAP, forwards emergency short message to emergency short message center.
Wherein, corresponding PSAP refers to the address phase PSAP with this user, corresponding PSAP should be more near apart from this user better, the address of user can by inquiry LRF (Location Retrieval Function, address server) obtain, now, PSAP can be distributed by LRF; Or carry the positional information of this user in emergency message request, this positional information is used to indicate the address of user; Such visited network can obtain the address of user by this emergency message request of inquiry, now, PSAP can be chosen according to the address of user by the E-CSCF in visited network.
E-CSCF can realize with reference to mode of the prior art to the process of the above-mentioned emergency short message of emergency short message center transmit, after emergency short message center receives above-mentioned emergency short message, according to existing flow process, this emergency short message will be transmitted to the PSAP of above-mentioned correspondence, subsequent treatment is same as the prior art, no longer describes in detail here.
When user roams into visited network, the home network in correlation technique, Client-initiated short message route being returned this user processes, and the request address in emergency message request in the embodiment of the present invention is emergency telephone number, the number at the emergency short message center namely in visited network, after such visited network receives this message, process to this emergency message request at current visited network.
Request address in the emergency message request of the present embodiment is the number at emergency short message center, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message function, convenient for users, and then improve the performance of system.
Embodiment two
Fig. 3 shows the IMS system configuration schematic diagram according to the embodiment of the present invention, comprise user equipment (UE) 301, home network and visited network, the visited network of the embodiment of the present invention comprises: P-CSCF302, E-CSCF303, this network element can be called on urgently with voice and be made the E-CSCF used share, also can be the network element of independent special disposal emergency short message, E-IP-SM-GW304, special disposal emergency short message business, SMS-GMSC/SMS-IWMSC305, E-SC (Emergency-SC, emergency short message center) 306, can build separately, use independent number, also can be located in a local short message service center and this short message service center shares a number, PSAP307 is an EC physically, LRF308, and this address server can use original address server equipment in network, MME (Mobility Management Entity, mobile management network element) 309.
Based on system shown in Figure 3, present embodiments provide a kind of implementation method of emergency short message, see Fig. 4, the method comprises the following steps:
Step 402, when an IMS user UE301 roams into visited network, initiate in the process of attachment to local networks at UE301, visited network issues the number of a local emergency short message center E-SC306 to UE301;
The number of this E-SC306 can be UE301 is that UE301 distributes by MME309 in the process of attachment, also can be when UE301 is linked into certain community, is that UE301 issues by the base station of this community by the broadcast channel of network; User is saved after receiving this emergency short message central number, when user needs to send emergency short message, adopts this emergency short message central number to send message request.
Step 404, UE301 adopts the number of E-SC306 to send emergency message request;
Such as, UE301 is using the request address of the number of E-SC306 as IP Multimedia System message request, and short message service center's number of the short message format packaging body in this message request is also the number adopting E-SC306;
Step 406, after P-CSCF302 receives this message request, judging that whether the request address of message request is the number of E-SC306, when finding that this address is the number of E-SC306, this message request being transmitted to the E-CSCF303 of current network.
Step 408, after E-CSCF303 receives this message request, by the address information of UE301, finds the PSAP address that suitable, adds in message request, then this message request is transmitted to E-IP-SM-GW by this PSAP address;
E-CSCF303 can pass through the address information knowing UE301 with LRF308 alternately, also can know according to the address information carried in message request.
Step 410, the above-mentioned message request received is converted to short message form by E-IP-SM-GW304, obtains emergency short message, and by SMS-GMSC/SMS-IWMSC305, this emergency short message is sent to local E-SC306;
Wherein, E-IP-SM-GW304 is located in E-CSCF303, after E-IP-SM-GW304 receives message request, this message request based on IMS is converted to the form of short message, in the process, recipient address and emergency telephone number are converted to concrete PSAP address.
Step 412, this short message is sent to PSAP307 by the address of PSAP by local E-SC306.
Fig. 5 shows the attaching process schematic diagram according to the embodiment of the present invention, and attaching process comprises the following steps:
Step 4022, user UE enters current network, sends attachment request to current network;
Step 4024, current network carries out the certification of access permission etc. to user UE, when allowing UE access, replying attachment and accepting response, wherein carry the information such as local emergency short message central number by the MME of current network to UE.
Fig. 6 shows according to the network of the embodiment of the present invention for user distributes emergency short message center process schematic, and this process comprises:
Step 402a, user is linked into a community success;
Step 402b, this cell base station issues broadcast by broadcast channel to user, wherein carries the spendable emergency short message central number of current network.
User is saved after receiving this emergency short message central number, when user needs to send emergency short message, adopts this emergency short message central number to send message request.
Request address in the emergency message request of the present embodiment is the number at emergency short message center, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message function, convenient for users, and then improve the performance of system.
Embodiment three
Fig. 7 shows the implementation method flow chart of the emergency short message according to the embodiment of the present invention, E-CSCF and E-IP-SM-GW in the present embodiment is deployed on same network element device, comprises the following steps:
Step 701, calling subscriber UE1 initiates an emergency message request by IMS network, wherein request address is the number at the emergency short message center obtained by network, carry the wrapper of short message format in this message request, there are the content of message, the address information of recipient and emergency short message central number in the inside;
Step 702, P-CSCF judges the request address in this message request, when P-CSCF receives this message request time, judges the request address of message request, when finding that this address is emergency short message central number, this message request is transmitted on the E-CSCF/E-IP-SM-GW of current network;
Step 703, E-CSCF/E-IP-SM-GW can obtain the positional information of user by LRF, this step also can determine the position of user by the positional information of carrying in emergency message request;
Step 704 ~ step 705, after E-CSCF/E-IP-SM-GW receives this message request, returns 202 confirmation of receipt response messages to user UE;
Step 706, E-IP-SM-GW converts this message request to short message format, and according to the positional information of user, changes the address of recipient into concrete PSAP address, and the short message request after conversion is sent to local SMS-GMSC/SMS-IWMSC;
Step 707, this short message is sent to emergency short message center E-SC by SMS-GMSC/SMS-IWMSC;
Step 708 ~ step 709, this short message is delivered to suitable PSAP by SMS-GMSC/SMS-IWMSC by E-SC;
Step 710 ~ step 715, PSAP sends to UE and confirms report;
Step 716 ~ step 717, UE returns 200OK to E-IP-SM-GW and confirms.
Request address in the emergency message request of the present embodiment is the number of urgent short central, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message function, convenient for users, and then improve the performance of system.
Embodiment four
Fig. 8 shows the implementation method flow chart of the emergency short message according to the embodiment of the present invention, E-CSCF and E-IP-SM-GW in the present embodiment divides out deployment, comprises the following steps:
Step 801, calling subscriber UE1 initiates an emergency message request by IMS network, wherein request address is the number at the emergency short message center obtained by network, carry the wrapper of short message format in this message request, there are the content of message, the address information of recipient and emergency short message central number in the inside;
Step 802, when P-CSCF receives this message request time, judges the request address of message request, in time finding that this address is an emergency short message central number, is transmitted on the E-CSCF of current network by this message request;
Step 803, after E-CSCF receives this message request, the positional information of user can be obtained by LRF, simultaneously for user distributes a suitable PSAP address, also can be determined the position of user by the positional information of carrying in emergency message request, be that user distributes a suitable PSAP address by E-CSCF;
Step 804, the PSAP address distributed for user is added in message request by E-CSCF, then this message request is transmitted to E-IP-SM-GW;
Step 805 ~ step 807, after E-IP-SM-GW receives this message request, returns 202 confirmation of receipt responses to user UE;
Step 808, the IMS message request received is converted to short message form by E-IP-SM-GW, changes called number and emergency telephone number into concrete PSAP address simultaneously, and by this short message to SMS-GMSC/SMS-IWMSC;
Step 809, this short message is sent to emergency short message center E-SC by SMS-GMSC/SMS-IWMSC;
Step 810 ~ step 811, this short message is delivered to suitable PSAP by SMS-GMSC/SMS-IWMSC by E-SC;
Step 812 ~ step 815, PSAP returns the confirmation report of short message format to E-IP-SM-GW;
Step 816 ~ step 818, the confirmation report that the confirmation of short message format report is converted to sip message form by E-IP-SM-GW returns to user UE;
Step 819 ~ step 821, UE returns 200OK to E-IP-SM-GW and confirms.
Request address in the emergency message request of the present embodiment is the number at emergency short message center, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message function, convenient for users, and then improve the performance of system.
Embodiment five
Fig. 9 shows and realizes system architecture diagram according to the emergency short message of the embodiment of the present invention, this system comprises: P-CSCF902, for receiving the emergency message request from roamer, when to resolve the request address obtained from this emergency message request be the number at emergency short message center, by this emergency message request forward to E-CSCF;
E-CSCF904, for the positional information according to user, the address of the public safety answering center PSAP of correspondence is inserted in above-mentioned emergency message request, and by urgent IP short messaging gateway E-IP-SM-GW, emergency message request is converted to emergency short message, short message service center's number wherein in emergency short message is the number at emergency short message center, called number is the address of PSAP, forwards this emergency short message to emergency short message center.Wherein, the number at emergency short message center reference diagram 5 or method corresponding to Fig. 6 can be handed down to user.Corresponding PSAP refers to the PSAP corresponding with the address of this user, and this PSAP should be more near apart from this user better, and the address of user can be obtained by inquiry LRF, and now, PSAP can be distributed by LRF; Or, user carries the positional information of this user in emergency message request, this positional information is used to indicate the address of user, such message E-CSCF904 just can obtain the address of user by this emergency message request of inquiry, now, PSAP can be chosen according to the address of user by E-CSCF.
Preferably, E-CSCF904 comprises and can also be divided into: E-CSCF and E-IP-SM-GW, and an E-CSCF is used for the positional information according to this user, obtains the address of corresponding PSAP, and is inserted in emergency message request, and be transmitted to E-IP-SM-GW; E-IP-SM-GW, for emergency message request is converted to emergency short message, wherein by called number and emergency telephone number, changes the address of this PSAP into, and this emergency short message is forwarded to emergency short message center.Follow-up forward process is completed by emergency short message center.
Preferably, this system also comprises mobile management network element, in Client-initiated attaching process, the number at emergency short message center is supplied to user.
Figure 10 shows and realizes system architecture diagram according to another emergency short message of the embodiment of the present invention, and this system comprises P-CSCF1002, E-CSCF/E-IP-SM-GW1004, SMS-IWMSC1006, emergency short message center 1008 and PSAP1010;
P-CSCF1002, for receiving the emergency message request from roamer, when the request address judging this emergency message request is the number at emergency short message center, by this emergency message request forward to E-CSCF/E-IP-SM-GW;
E-CSCF/E-IP-SM-GW1004, for the positional information according to user, the address of the public safety answering center PSAP of correspondence is inserted in above-mentioned emergency message request, and emergency message request is converted to emergency short message, short message service center's number wherein in emergency short message is the number at emergency short message center, called number is the address of PSAP, forwards this emergency short message to emergency short message center.The address of the PSAP of the present embodiment is the address of PSAP1010; SMS-IWMSC1006, for sending to emergency short message center 1008 by the emergency short message from E-CSCF/E-IP-SM-GW1004;
Emergency short message center 1008, is transmitted to PSAP1010 for the address according to PSAP by emergency short message;
PSAP1010, for receiving and responding above-mentioned emergency short message.
EC 1008 in the present embodiment can be independent equipment, also can be arranged in the short message call in visited network in the heart; If emergency short message center 1008 is for being arranged in the short message service center of visited network, then the number at emergency short message center 1008 can be the number of this short message service center and the combination of the urgent mark preset.
E-CSCF/E-IP-SM-GW in visited network shown in Figure 10 has E-CSCF and E-IP-SM-GW function, and namely E-CSCF and E-IP-SM-GW is arranged on same network element E-CSCF/E-IP-SM-GW; During practical application, also E-CSCF and E-IP-SM-GW can be separately positioned on two different network elements, in this case, E-CSCF and E-IP-SM-GW function is as follows: E-CSCF, for the address of PSAP corresponding to the address of the emergency telephone number in emergency message request being revised as user, and be transmitted to E-IP-SM-GW; E-IP-SM-GW, for receiving emergency message request, is converted to emergency short message by emergency message request, sends emergency short message to SMS-IWMSC.
Request address in the emergency message request of the present embodiment is the number at emergency short message center, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message function, convenient for users, and then improve the performance of system.
As can be seen from the above description, present invention achieves following technique effect: the request address in the emergency message request in above embodiment is the number at emergency short message center, this number makes visited network no longer by the home network at this emergency message Request routing reuse family, but process in the home network, achieve emergency short message business, simultaneously, such scheme does not need to make large amendment to existing IMS architecture, only needs to do at network the transmission that certain deployment just can realize emergency short message.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1. an implementation method for emergency short message, is characterized in that, comprising:
Agent conversation control function entity P-CSCF receives the emergency message request from roamer, when to resolve the request address obtained from described emergency message request be the number at emergency short message center of visited network, by described emergency message request forward to emergent session controlling functions entity E-CSCF; Described E-CSCF is according to the positional information of described user, the address of the public safety answering center PSAP of correspondence is inserted in described emergency message request, and by urgent IP short messaging gateway E-IP-SM-GW, described emergency message request is converted to emergency short message, short message service center's number in wherein said emergency short message is the number at described emergency short message center, called number is the address of described PSAP, forwards described emergency short message to described emergency short message center.
2. method according to claim 1, is characterized in that, agent conversation control function entity P-CSCF also comprises before receiving the emergency message request from roamer:
Visited network knows that described user roams into described visited network;
The number at described emergency short message center is supplied to described user.
3. method according to claim 2, it is characterized in that, the number at described emergency short message center is supplied to described user comprise: the number at described emergency short message center, in described Client-initiated attaching process, is supplied to described user by the mobile management network element of described visited network.
4. method according to claim 2, it is characterized in that, the number at described emergency short message center is supplied to described user comprise: by the base station of the community of described visited network after described user is linked into described community, by broadcast channel, the number at described emergency short message center is supplied to described user.
5. method according to claim 1, is characterized in that, short message service center's number of the short message format packaging body in described emergency message request and called number are respectively number and the emergency telephone number at described emergency short message center.
6. method according to claim 1, is characterized in that, the positional information of described user is obtained by inquire address server LRF, and the PSAP of described correspondence is that LRF distributes.
7. method according to claim 1, is characterized in that, carries the positional information of described user in described emergency message request, and the PSAP of described correspondence is that described E-CSCF selects according to the positional information of described user.
8. method according to claim 1, it is characterized in that, described E-IP-SM-GW is arranged in described E-CSCF, describedly by E-IP-SM-GW, described emergency message request is converted to emergency short message and is: by described E-CSCF, described emergency message request is converted to emergency short message.
9. according to the arbitrary described method of claim 1-8, it is characterized in that, described emergency short message center is arranged in the short message service center of described visited network, and the number at described emergency short message center is the number of described short message service center and the combination promptly identified; Or described emergency short message center is autonomous device.
10. emergency short message realize a system, it is characterized in that, comprising:
Agent conversation control function entity P-CSCF, for receiving the emergency message request from roamer, when to resolve the request address obtained from described emergency message request be the number at emergency short message center of visited network, by described emergency message request forward to emergent session controlling functions entity E-CSCF;
Described E-CSCF, for the positional information according to described user, the address of the public safety answering center PSAP of correspondence is inserted in described emergency message request, and by urgent IP short messaging gateway E-IP-SM-GW, described emergency message request is converted to emergency short message, short message service center's number in wherein said emergency short message is the number at described emergency short message center, called number is the address of described PSAP, forwards described emergency short message to described emergency short message center.
11. systems according to claim 10, is characterized in that, described system also comprises: mobile management network element, in described Client-initiated attaching process, the number at described emergency short message center are supplied to described user.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010176829.9A CN102244848B (en) | 2010-05-10 | 2010-05-10 | The implementation method of emergency short message and system |
| PCT/CN2011/072877 WO2011140882A1 (en) | 2010-05-10 | 2011-04-15 | Method and system for implementing emergency short messages |
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| CN201010176829.9A CN102244848B (en) | 2010-05-10 | 2010-05-10 | The implementation method of emergency short message and system |
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| CN102244848A CN102244848A (en) | 2011-11-16 |
| CN102244848B true CN102244848B (en) | 2015-10-21 |
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| WO (1) | WO2011140882A1 (en) |
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| CN105578424B (en) * | 2014-11-07 | 2021-01-08 | 中兴通讯股份有限公司 | Help seeking information transmission method and device |
| CN111246443A (en) * | 2018-11-28 | 2020-06-05 | 成都鼎桥通信技术有限公司 | Information reporting method, device and storage medium |
| FR3127860A1 (en) * | 2021-10-04 | 2023-04-07 | Orange | Method for managing an emergency situation and terminal implementing this method |
| EP4322563A1 (en) * | 2022-08-10 | 2024-02-14 | Nokia Technologies Oy | Support of emergency short message service messages |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664872A (en) * | 2004-03-05 | 2005-09-07 | 三星电子株式会社 | Emergency call system and control method thereof |
| CN101123822A (en) * | 2007-08-01 | 2008-02-13 | 中兴通讯股份有限公司 | Implementation method for emergent call service in IP multimedia subsystem central service |
| CN101132644A (en) * | 2007-09-28 | 2008-02-27 | 中兴通讯股份有限公司 | Urgent call implementing method and system for IP multimedia subsystem centralized control business |
| CN101175248A (en) * | 2007-09-28 | 2008-05-07 | 中兴通讯股份有限公司 | Urgent call implementing method and system for IP multimedia subsystem centralized control business |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20070003024A1 (en) * | 2005-06-22 | 2007-01-04 | Cml Emergency Services Inc. | Network emergency call taking system and method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1664872A (en) * | 2004-03-05 | 2005-09-07 | 三星电子株式会社 | Emergency call system and control method thereof |
| CN101123822A (en) * | 2007-08-01 | 2008-02-13 | 中兴通讯股份有限公司 | Implementation method for emergent call service in IP multimedia subsystem central service |
| CN101132644A (en) * | 2007-09-28 | 2008-02-27 | 中兴通讯股份有限公司 | Urgent call implementing method and system for IP multimedia subsystem centralized control business |
| CN101175248A (en) * | 2007-09-28 | 2008-05-07 | 中兴通讯股份有限公司 | Urgent call implementing method and system for IP multimedia subsystem centralized control business |
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| CN102244848A (en) | 2011-11-16 |
| WO2011140882A1 (en) | 2011-11-17 |
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