CN102223369A - Emergent call location method of VoIP (Voice over Internet Protocol) user and system - Google Patents
Emergent call location method of VoIP (Voice over Internet Protocol) user and system Download PDFInfo
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Abstract
The invention discloses an emergence call location method of a VoIP (Voice over Internet Protocol) user and a system, which comprises IP (Internet Protocol) equipment, an VoIP exchanger, an application server, a location server at a service bureau end, a gateway controller, a VoIP gateway, a selective route, a public safety response point and an automatic location identifying database, wherein the IP equipment is connected with the VoIP exchanger, the VoIP exchanger is connected with the application server, the application server, the gateway controller, the VoIP gateway, the selective route, the public safety response point and the automatic location identifying database are sequentially connected, the application server is connected with the location server of the service bureau end, and the location server is connected with the automatic position identifying database. By the invention, the call from the VoIP equipment, the correct location information of the VoIP equipment and a callback number can be directly routed to the proper public safety response point. The invention helps a public safety response processing end to quickly and correctly locate the location of the VoIP user.
Description
Technical field
The present invention relates to a kind of localization method and system, in particular a kind of voip user's emergency call location method and system.
Background technology
Nowadays, Internet Protocol telephone (VoIP) is as the more cheap alternative form of Plain Old Telephone Service, and Internet Protocol telephone market becomes more and more welcome.Internet Protocol telephone has proposed and the wireless device similar challenges aspect the locating information yet providing to emergency dispatcher.At present, if emergency service number is dialed by commercial VoIP service, how to handle this calling according to VoIP supplier so, calling can be connected to replying of operator's appointment and answer a little, perhaps calls out and can be connected to the non-emergent number that the public safety answering that is associated with caller's bill or address of service is answered a place.Because can being inserted into any internet with enough bandwidth, the VoIP adapter connects, therefore in fact can be between caller and the address of service at a distance of hundreds of mile even several thousand miles, if but this calling is really gone to reply and is answered a little, it can be the calling that is associated with caller's bill or address of service so, and it is not actual initial location.
Therefore, in 2005, FCC (FCC) passed through a resolution, promptly required Internet Protocol telephone supplier to begin to provide E911 service to their client.In this standard, communication equipment that is connected with the Internet Protocol telephone adapter and the method and apparatus that this location is transferred to emergency services will openly be used to locate, emergency services for example is general emergency answering number or short code, for example, 1-1-2 whole world emergency numbers is specified in 9-1-1 (North America), 1-1-2 (Europe), 9-9-9 (Britain), 1-1-0 (China) or gsm wireless communication.According to public security, fire-fighting, mobile hospital, civil defence and the government utility that country operates, can use a plurality of independent numbers, they are known as the general example of these interchangeable emergency service numbers.But the localization method speed of existing various VoIP is slow, and calling can accurately be transferred to appropriate public safety answering point, in emergency circumstances is difficult to satisfy efficiently requirement fast.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The object of the present invention is to provide a kind of voip user's emergency call location method and system, the localization method speed that is intended to solve existing various VoIP is slow, can not exactly calling be transferred to appropriate public safety answering point, in emergency circumstances be difficult to satisfy the efficient problem that requires fast.
Technical scheme of the present invention is as follows:
A kind of voip user's emergency call location method wherein, may further comprise the steps:
S1:IP equipment sends to the VoIP switch with call signal;
The S2:VoIP switch is transmitted to application server with call signal, and application server obtains an emergency services positioning key and IP route indication parameter according to call signal inquiry location-server;
S3: application server is transmitted to gateway controller with call signal in the lump together with emergency services positioning key and IP route indication parameter;
S4: the gateway controller controller connects voip gateway according to IP route indication parameter, and call signal and emergency services positioning key are forwarded to voip gateway;
The S5:VoIP gateway identifies the emergency services positioning key, call signal is routed to the public safety answering point of emergency services positioning key appointment; And the voip call data are converted to voice signal output;
S6: the public safety answering point of receiving calling is inquired about the automated location identification database with the emergency services positioning key, to obtain the position and the number information of IP device, if in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of public safety answering point; If do not have, then the automated location identification database is based on the further inquiring position database of emergency services positioning key, and the data forwarding that location database feeds back to given the operator's console of public safety answering point.
Described voip user's emergency call location method, wherein, described step S1 also comprises:
S1 ': before IP device sent calling, system required the user that providing and verifying of positional information is provided automatically, then call signal was sent to the VoIP switch.
Described voip user's emergency call location method, wherein, described step S2 also comprises:
S2 ': the VoIP switch is transmitted to application server with call signal, application server is created a geographical position solicited message and is sent to position determining entity, position determining entity positions IP device, and positional information returned to application server, application server is preserved this positional information again, and being transmitted to location-server, location-server is associated to a concrete public safety answering point with this positional information, obtains emergency services positioning key and IP route indication parameter and returns to application server.
Described voip user's emergency call location method, wherein, the method flow that provides and verify that described system requires the user to carry out positional information automatically may further comprise the steps:
S101 ': IP device is registered on the VoIP switch;
S102 ': the VoIP switch sends positional information to application server;
S103 ': application server inquiry application data base;
S104 ': judging whether it is known address in the application data base, is execution in step S106 ' then; Otherwise execution in step S105 ';
S105 ': judge IP address, inside and outside whether with application data base in the auxiliary matched entries match, be execution in step S107 ' then, otherwise execution in step S108 ';
S106 ': judging whether this address registered in the location-server of service bureau, is then to finish registration; Otherwise execution in step S113 ';
S107 ': upgrade application data base;
S108 ': upgrade application data base;
S109 ': application server contacts user;
S110 ': the terminal use provides positional information;
S111 ': judging whether positional information is effective, is execution in step S112 ' then, otherwise execution in step S115 ';
S112 ': positional information is inputed to application server, upgrade application data base;
S113 ': transmission of location information is to service bureau;
S114 ': service bureau confirms whether register, and is then to finish registration, otherwise execution in step S115 ';
S115 ': carry out auxiliary regular.
Described voip user's emergency call location method, wherein, described auxiliary regular comprises and calls back to the user, informs that its VoIP equipment can not dial 110, or utilizes the GPS module of VoIP equipment itself to position.
Described voip user's emergency call location method, wherein, described call signal comprises the telephone number of IP device, unique radio-frequency identification code, MAC Address or the IP address of IP device.
Described voip user's emergency call location method, wherein, described emergency services positioning key is a tens word, and voip user's current location information is related with unique public safety answering point.
A kind of voip user's emergency call location system, wherein, the location-server, gateway controller, voip gateway, selectivity route, public safety answering point and the automated location identification database that comprise IP device, VoIP switch, application server, service local side, described IP device connects the VoIP switch; Described VoIP switch connects application server, and described application server, gateway controller, voip gateway, selectivity route, public safety answering point, automated location identification database connect successively; The location-server of described application server Connection Service local side; Described location-server is connected with the automated location identification database;
Described application server comprises application data base, be used to receive the IP device call signal, location-server according to this call signal inquiry service local side, obtain an emergency services positioning key and an IP route indication from described location-server, then call signal is forwarded to gateway controller in the lump together with the emergency services positioning key; Described location-server comprises location database, be used for setting up corresponding relation between storing IP equipment and the specific public safety answering point, described gateway controller is used for that indication is connected voip gateway according to emergency services positioning key and IP route, described automated location identification database is used to provide IP device position and number information, and feeds back to public safety answering point.
Described voip user's emergency call location system, wherein, described IP device is wireless IP device, and described system also comprises and is used to wireless IP device that wireless coverage is provided, provide the position determining entity of the positional information of this wireless IP device, described position determining entity connects described application server.
Described voip user's emergency call location system, wherein, also be provided with user's registration and authentication module in the application server of described system, be used for the IP computer equipment when unfixed position employing VoIP communicates by letter, require the user that providing and verifying of positional information is provided.
Beneficial effect of the present invention: the present invention is by will be from the calling of VoIP equipment, and tram information and telegram in reply number together with this equipment all can be routed directly to appropriate public safety answering point (PSAP).Can help the public safety answering end for process to locate voip user's position rapidly and accurately.
Description of drawings
Fig. 1 is the system block diagram of voip user's provided by the invention emergency call location system;
Fig. 2 is the voip user's provided by the invention flow chart of emergency call location method when sight 1;
Fig. 3 is the voip user's provided by the invention flow chart of emergency call location method when sight 2;
Fig. 4 is the voip user's provided by the invention flow chart of emergency call location method when sight 3;
The flow chart that provides and verify of customer position information is provided in the method for the present invention Fig. 5.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, clear and definite, below with reference to accompanying drawing and give an actual example that the present invention is described in more detail.
The present invention has mainly proposed the solution of an E110 VoIP (networking telephone) customer position information.In this scheme,,, all can be routed directly to appropriate PSAP (Public Safety Answer Point, public safety answering point) together with the tram information and the telegram in reply number of this equipment from the calling of VoIP equipment.Each LATA (Local Access and Transport Area, Local Access and Transport Area) has at least a voip gateway, voip gateway to carry out this locality execution, accepts the immigration of voip gateway grouped data, and converts it into wired received pronunciation conversation.This voice call will be output to the voice port of optional route.ESLK (the emergency services positioning key that public safety answering point generates with location-server in the E110 service bureau, Emergency Service Location Key) inquiry automated location identification (ALI) database, or further inquire about the information such as address that location database in the E110 service bureau can obtain VoIP.Can set up the TCP/IP circuit between some or all local voip gateways, in order to increasing sharply in local traffic, the local link data packets for transmission can be set up the TCP/IP link more for a long time in the network between some or all local voip gateways, play a shunting, with balance network load.
Referring to Fig. 1, voip user's provided by the invention emergency call location system comprises: the location-server of wired IP device, wireless IP device, VoIP switch, application server, service local side, gateway controller, voip gateway, selectivity route, public safety answering point, automated location identification database and position determining entity.Wherein said wired IP device is connected the VoIP switch with wireless IP device; Described VoIP switch connects application server, and described application server, gateway controller, voip gateway, selectivity route, public safety answering point, automated location identification database connect successively; Described application server also connects the location-server of position determining entity and service local side; Described location-server also is connected with the automated location identification database.
Described application server comprises application data base, it is used to receive the IP device call signal, location-server according to this call signal inquiry service local side, obtain an ESLK and an IP route indication from described location-server, then call signal is forwarded to gateway controller in the lump together with ESLK.Described location-server comprises location database, and it is used for the corresponding relation set up between storing IP equipment and the specific public safety answering point.Described gateway controller is used for that indication is connected voip gateway according to ESLK and IP route.Described position determining entity is used to wireless IP device that wireless coverage is provided, and provides the positional information of this wireless IP device.Described automated location identification database is used to provide IP device position and number information, and feeds back to public safety answering point.
Also be provided with user registration and authentication module in the described application server, when being used for equipment such as notebook computer and adopting VoIP communication, require the user that providing and verifying of positional information is provided in the position that is away from home.
Voip user's provided by the invention emergency call location system can support wired or wireless equipment simultaneously.Therefore, at different equipment, described E110 business comprises following three kinds of sights at least:
1.VoIP equipment uses data cable to be connected to network at a fixed address, for example is provided with in the family, its position is fixed.
2.VoIP having at other, equipment use data cable to insert on the position of internet.For example, notebook computer is used for VoIP communication in the position that is away from home.
3.VoIP wireless device, it does not physically have with any data cable and is connected.This kind situation, VoIP equipment are to insert voip network by WiFi technology or cellular technology.
If " E110 " phone that the voip user dials inserts for 1 time at sight: at first the caller uses IP device to dial 110, IP device is given the VoIP switch with this call signal, wherein, other identifiers (as a matter of expediency) that comprise telephone number or IP device, unique radio-frequency identification code of IP device for example, MAC Address, IP address etc.In the different targeting schemes, can utilize wherein one or multinomial combination to carry out the VoIP location.The VoIP switch is accepted the E110 phone, and this calling is gone to application server, the location-server in the application server inquiry E110 service bureau, and location-server then feeds back to an ESLK and the indication of IP routed path.After receiving described ESLK and IP routed path indication parameter, indication is forwarded to gateway controller to be connected voip gateway to application server in the lump with the IP routed path together with ESLK with this call signal.When call signal transferred to voip gateway, IP device had then been set up RTP (real-time protocol (RTP)) with the VoIP inter-exchange and has been communicated by letter, so with voip gateway between also set up RTP and communicated by letter.
The calling of each this locality to application server, is arrived location-server through the VoIP switch again, has only the ESLK and the indication of IP routed path that feed back to according to location-server, just can find correct voip gateway.
Location-server is judged the PSAP nearest with it according to voip user's current location information, then ESLK and the indication of IP path that provides according to this PSAP of association.Because used ESLK is a tens word, with voip user's current location information related with PSAP get up, specified a concrete PSAP uniquely.
Voip gateway identifies ESLK, becomes voice to export to the suitable selectivity route VoIP data transaction simultaneously.The selectivity route identifies the ESLK in automatic number identification (ANI) territory in the voice E110 calling, and routes the call to that PSAP of related appointment.
And this PSAP is responsible for this section, VoIP equipment position of administration, this has just reached the purpose that urgent call is routed directly to nearest PSAP, providing and verifying of customer position information is provided key wherein, and ESLK definite (can describe in detail this part below).At last, receive that the PSAP that E110 calls out uses ESLK to inquire about automated location identification (ALI) database, to obtain the position and the number information of IP device.If in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of PSAP.If do not have, then the automated location identification database is further inquired about location database in the E110 service bureau based on ESLK, and gives PSAP with the data forwarding that location database feeds back to.
The providing and verifying mainly at sight 2 of above-mentioned customer position information, and for sight 1, user position information are when the user installation networking telephone just in the middle of the location database in typing automated location identification database and the service bureau.
Location database in the E110 service bureau has also been stored the user profile in sight 2 and the sight 3, and has only been stored user profile in the sight 1 in the automated location identification database except having stored the user profile in the sight 1.So, only need inquire the automated location identification database for sight 1, just can obtain information needed, then need further inquire location database in the E110 service bureau for sight 2 and 3.
Though sight 2 is to adopt wired mode to insert, telephone number and device address are unfixing, so in user's entry stage, system can require the user that providing and verifying of positional information is provided automatically, (its concrete method sees also hereinafter).
If VoIP " E110 " phone inserts for 2 times at sight:, require the user before dialing 110 phones, manually to upgrade the positional information of VoIP equipment to application server for this situation.The application data base of application server can be left this information, and the location-server that is transmitted to E110 service bureau is to inform the position modification information of its IP device.Next IP device begins to dial 110, and flow process is all with " similar in the sight 1 no longer describes in detail.
Sight 3 is radio conditions, by wireless access, uses the networking telephone etc. as notebook on the mobile phone.Under this sight, the user can be carried out providing and verifying of positional information by system requirements in entry stage, perhaps carries out assist location by position determining entity.
If VoIP " E110 " phone inserts down at sight 3 (wireless IP device): at first, the caller uses wireless IP device to dial 110.The VoIP switch is received this calling, and is transmitted to application server.Then, described application server has been created a geographical position solicited message and has been issued PDE (Position Determination Entity, position determining entity).PDE provides wireless coverage for wireless IP device, can provide a positional information, for being responsible for carrying out the functional entity of positioning action in the code division multiple access system, can determine the position of travelling carriage (as mobile phone, Vehicle mounted station) in certain geographic range.Then, PDE returns a geographical position solicited message that has comprised wireless IP device position and responds to application server.Application server is preserved this positional information again, and is transmitted to the location-server of E110 service bureau.Location-server is associated to a concrete PSAP with this positional information.Step subsequently is all similar with sight 1.
Described PDE is the network entity of being responsible for concrete location and calculating.PDE serves a specific region, and a plurality of PDE can serve certain zone simultaneously, and different positioning services is provided.The position that the capable pilot measurement information that provides by travelling carriage of PDE is calculated the user.PDE has the ability to provide gps reference signal, and the auxiliary moving platform carries out the gps satellite location.PDE has the ability by gps signal and base station radio information travelling carriage to be positioned simultaneously, and selects locate mode flexibly according to actual conditions.
Emergency call location method referring to Fig. 2 voip user provided by the invention specifically may further comprise the steps:
Step S1:IP equipment sends to the VoIP switch with call signal.
Step S2:VoIP switch is transmitted to application server with call signal, and application server obtains an emergency services positioning key and IP route indication parameter according to call signal inquiry location-server.
Step S3: application server is transmitted to gateway controller with call signal in the lump together with emergency services positioning key and IP route indication parameter.
Step S4: the gateway controller controller connects voip gateway according to IP route indication parameter, and call signal and emergency services positioning key are forwarded to voip gateway.
Step S5:VoIP gateway identifies the emergency services positioning key, call signal is routed to the public safety answering point of emergency services positioning key appointment; And the voip call data are converted to voice signal output.
Step S6: the public safety answering point of receiving calling is inquired about the automated location identification database with the emergency services positioning key, to obtain the position and the number information of IP device, if in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of public safety answering point; If do not have, then the automated location identification database is based on the further inquiring position database of emergency services positioning key, and the data forwarding that location database feeds back to given the operator's console of public safety answering point.
Referring to Fig. 3, under the situation at sight 2, method provided by the invention comprises:
Step S1 ': before IP device sent calling, system required the user that providing and verifying of positional information is provided automatically, then call signal was sent to the VoIP switch.
Step S2:VoIP switch is transmitted to application server with call signal, and application server obtains an emergency services positioning key and IP route indication parameter according to call signal inquiry location-server.
Step S3: application server is transmitted to gateway controller with call signal in the lump together with emergency services positioning key and IP route indication parameter.
Step S4: the gateway controller controller connects voip gateway according to IP route indication parameter, and call signal and emergency services positioning key are forwarded to voip gateway.
Step S5:VoIP gateway identifies the emergency services positioning key, call signal is routed to the public safety answering point of emergency services positioning key appointment; And the voip call data are converted to voice signal output.
Step S6: the public safety answering point of receiving calling is inquired about the automated location identification database with the emergency services positioning key, to obtain the position and the number information of IP device, if in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of public safety answering point; If do not have, then the automated location identification database is based on the further inquiring position database of emergency services positioning key, and the data forwarding that location database feeds back to given the operator's console of public safety answering point.
Referring to Fig. 4, under the situation at sight 3, method provided by the invention comprises:
Step S1:IP equipment sends to the VoIP switch with call signal.
Step S2 ': the VoIP switch is transmitted to application server with call signal, application server is created a geographical position solicited message and is sent to position determining entity, position determining entity positions IP device, and positional information returned to application server, application server is preserved this positional information again, and be transmitted to location-server, location-server is associated to a concrete public safety answering point with this positional information, obtains emergency services positioning key and IP route indication parameter and returns to application server.
Step S3: application server is transmitted to gateway controller with call signal in the lump together with emergency services positioning key and IP route indication parameter.
Step S4: the gateway controller controller connects voip gateway according to IP route indication parameter, and call signal and emergency services positioning key are forwarded to voip gateway.
Step S5:VoIP gateway identifies the emergency services positioning key, call signal is routed to the public safety answering point of emergency services positioning key appointment; And the voip call data are converted to voice signal output.
Step S6: the public safety answering point of receiving calling is inquired about the automated location identification database with the emergency services positioning key, to obtain the position and the number information of IP device, if in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of public safety answering point; If do not have, then the automated location identification database is based on the further inquiring position database of emergency services positioning key, and the data forwarding that location database feeds back to given the operator's console of public safety answering point.
Referring to Fig. 5, the method flow that provides and verify that described system requires the user to carry out positional information automatically may further comprise the steps.
Step S101 ': IP device is registered on the VoIP switch.
Step S102 ': the VoIP switch sends positional information to application server.
Step S103 ': application server inquiry application data base.
Step S104 ': judging whether it is known address in the application data base, is execution in step S106 ' then; Otherwise execution in step S105 '.
Step S105 ': judge IP address, inside and outside whether with application data base in the auxiliary matched entries match, be execution in step S107 ' then, otherwise execution in step S108 '.
Step S106 ': judging whether this address registered in the location-server of service bureau, is then to finish registration; Otherwise execution in step S113 '.
Step S107 ': upgrade application data base.
Step S108 ': upgrade application data base.
Step S109 ': application server contacts user.
Step S110 ': the terminal use provides positional information.
Step S111 ': judging whether positional information is effective, is execution in step S112 ' then, otherwise execution in step S115 '.
Step S112 ': the VoIP switch sends registration information to application server, upgrades application data base.
Step S113 ': transmission of location information is to service bureau.
Step S114 ': service bureau confirms whether register, and is then to finish registration, otherwise execution in step S115 '.
Step S115 ': carry out auxiliary regular.
At first IP device sends register requirement for the VoIP switch, send registered location information to application server by the VoIP switch, and then application server is inquired about its application data base.After the comparison judgement, if this positional information is the known address in the application data base, and then judge whether it registered in the location-server of E110 service bureau, finish if register then; If unregistered mistake, then send this positional information to E110 service bureau, the comparison of E110 service bureau by carrying out with local master catalogue, verify its validity,, then this information is write into the location database of location-server otherwise take auxiliary regular if admitted effectively, described auxiliary regular specifically comprises and calls back to the user, inform that its VoIP equipment can not dial 110, or utilize the GPS module of VoIP equipment itself to position or the like, but be not limited only to two kinds of above-mentioned situations.Yet, if application server is inquired about its application data base and is found that this positional information is not the known address in the application data base, judge that so its auxiliary matched clauses and subclauses outside and that whether implicit IP address mates in the application data base are other clauses and subclauses, if coupling, then upgrade location database, comprise and upgrade physical address and location status is changed to migration state etc., and then the positional information of transmission after upgrading be to service bureau, operation such as compare again.Yet, if find the also auxiliary matched clauses and subclauses in the non-matched data storehouse of outside and implicit IP address, upgrade application data base so, location status is changed to unknown state, follow application server contact user in several ways, the terminal use provides positional information to register once more again, after application server is received new location information, judge whether it is effective address, if not, then carry out auxiliary regular, described auxiliary regular specifically comprises and calls back to the user, inform that its VoIP equipment can not dial 110, or utilize the GPS module of VoIP equipment itself to position or the like; If effectively, then this positional information is imported in the location database, and is forwarded to E110 service bureau.
Registration information can comprise a few in the following content, but is not limited to these several:
Wherein, location status comprises fixing, migration and the unknown.
Each clauses and subclauses in the application data base can comprise a few in the following content, but are not limited to these several:
For instance, when application server is received following this login request message,
In its application data base, do not find the relevant entry on " No. 8, the Jiangning District Buddhist west of a city, Nanjing road ", so just whether inquiry has " interior IP address 1.2.3.4; Outer IP address 5.6.7.8 " clauses and subclauses, found following coupling clauses and subclauses, these clauses and subclauses are exactly described auxiliary matched clauses and subclauses:
Just suppose that then this IP device is in the migration state, upgrade corresponding clauses and subclauses, comprise and upgrade physical address and location status is changed to migration state etc.These clauses and subclauses become after upgrading:
The present invention is by will be from the calling of VoIP equipment, and tram information and telegram in reply number together with this equipment all can be routed directly to appropriate public safety answering point (PSAP).Can help the public safety answering end for process to locate voip user's position rapidly and accurately.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, for those of ordinary skills, can be improved according to the above description or conversion that all these improvement and conversion all should belong to the protection range of claims of the present invention.
Claims (10)
1. a voip user emergency call location method is characterized in that, may further comprise the steps:
S1:IP equipment sends to the VoIP switch with call signal;
The S2:VoIP switch is transmitted to application server with call signal, and application server obtains an emergency services positioning key and IP route indication parameter according to call signal inquiry location-server;
S3: application server is transmitted to gateway controller with call signal in the lump together with emergency services positioning key and IP route indication parameter;
S4: the gateway controller controller connects voip gateway according to IP route indication parameter, and call signal and emergency services positioning key are forwarded to voip gateway;
The S5:VoIP gateway identifies the emergency services positioning key, call signal is routed to the public safety answering point of emergency services positioning key appointment; And the voip call data are converted to voice signal output;
S6: the public safety answering point of receiving calling is inquired about the automated location identification database with the emergency services positioning key, to obtain the position and the number information of IP device, if in the automated location identification database data that will search are arranged, then it are directly sent to the operator's console of public safety answering point; If do not have, then the automated location identification database is based on the further inquiring position database of emergency services positioning key, and the data forwarding that location database feeds back to given the operator's console of public safety answering point.
2. voip user's according to claim 1 emergency call location method is characterized in that, described step S1 also comprises:
S1 ': before IP device sent calling, system required the user that providing and verifying of positional information is provided automatically, then call signal was sent to the VoIP switch.
3. voip user's according to claim 1 emergency call location method is characterized in that, described step S2 also comprises:
S2 ': the VoIP switch is transmitted to application server with call signal, application server is created a geographical position solicited message and is sent to position determining entity, position determining entity positions IP device, and positional information returned to application server, application server is preserved this positional information again, and being transmitted to location-server, location-server is associated to a concrete public safety answering point with this positional information, obtains emergency services positioning key and IP route indication parameter and returns to application server.
4. voip user's according to claim 2 emergency call location method is characterized in that, the method flow that provides and verify that described system requires the user to carry out positional information automatically may further comprise the steps:
S101 ': IP device is registered on the VoIP switch;
S102 ': the VoIP switch sends positional information to application server;
S103 ': application server inquiry application data base;
S104 ': judging whether it is known address in the application data base, is execution in step S106 ' then; Otherwise execution in step S105 ';
S105 ': judge IP address, inside and outside whether with application data base in the auxiliary matched entries match, be execution in step S107 ' then, otherwise execution in step S108 ';
S106 ': judging whether this address registered in the location-server of service bureau, is then to finish registration; Otherwise execution in step S113 ';
S107 ': upgrade application data base;
S108 ': upgrade application data base;
S109 ': application server contacts user;
S110 ': the terminal use provides positional information;
S111 ': judging whether positional information is effective, is execution in step S112 ' then, otherwise execution in step S115 ';
S112 ': the VoIP switch sends registration information to application server, upgrades application data base;
S113 ': transmission of location information is to service bureau;
S114 ': service bureau confirms whether register, and is then to finish registration, otherwise execution in step S115 ';
S115 ': carry out auxiliary regular.
5. voip user's according to claim 4 emergency call location method is characterized in that, described auxiliary regular comprises and call back to the user, informs that its VoIP equipment can not dial 110, or utilizes the GPS module of VoIP equipment itself to position.
6. according to any described voip user's of claim 1 to 5 emergency call location method, it is characterized in that described call signal comprises the telephone number of IP device, unique radio-frequency identification code, MAC Address or the IP address of IP device.
7. voip user's according to claim 4 emergency call location method is characterized in that, described emergency services positioning key is a tens word, and voip user's current location information is related with unique public safety answering point.
8. a voip user emergency call location system, it is characterized in that, the location-server, gateway controller, voip gateway, selectivity route, public safety answering point and the automated location identification database that comprise IP device, VoIP switch, application server, service local side, described IP device connects the VoIP switch; Described VoIP switch connects application server, and described application server, gateway controller, voip gateway, selectivity route, public safety answering point, automated location identification database connect successively; The location-server of described application server Connection Service local side; Described location-server is connected with the automated location identification database;
Described application server comprises application data base, be used to receive the IP device call signal, location-server according to this call signal inquiry service local side, obtain an emergency services positioning key and an IP route indication from described location-server, then call signal is forwarded to gateway controller in the lump together with the emergency services positioning key; Described location-server comprises location database, be used for setting up corresponding relation between storing IP equipment and the specific public safety answering point, described gateway controller is used for that indication is connected voip gateway according to emergency services positioning key and IP route, described automated location identification database is used to provide IP device position and number information, and feeds back to public safety answering point.
9. voip user's according to claim 8 emergency call location system, it is characterized in that, described IP device is wireless IP device, described system also comprises and is used to wireless IP device that wireless coverage is provided, provide the position determining entity of the positional information of this wireless IP device, described position determining entity connects described application server.
10. voip user's according to claim 8 emergency call location system, it is characterized in that, also be provided with user's registration and authentication module in the application server of described system, be used for the IP computer equipment when unfixed position employing VoIP communicates by letter, require the user that providing and verifying of positional information is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101619119A CN102223369A (en) | 2011-06-16 | 2011-06-16 | Emergent call location method of VoIP (Voice over Internet Protocol) user and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101619119A CN102223369A (en) | 2011-06-16 | 2011-06-16 | Emergent call location method of VoIP (Voice over Internet Protocol) user and system |
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| CN2011101619119A Pending CN102223369A (en) | 2011-06-16 | 2011-06-16 | Emergent call location method of VoIP (Voice over Internet Protocol) user and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104322034A (en) * | 2013-03-15 | 2015-01-28 | 华为技术有限公司 | Method, device and system for determining geographical position of UC terminal |
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| CN1582563A (en) * | 2001-11-05 | 2005-02-16 | 因特拉多公司 | Routing of emergency calls based on geographic location of originating telephone end office |
| US20040192271A1 (en) * | 2003-03-29 | 2004-09-30 | Gerald Eisner | System and method for providing mobile caller information to a special number service station |
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