CN1992964B - System and method for obtaining geographical location information of packet network user terminal - Google Patents
System and method for obtaining geographical location information of packet network user terminal Download PDFInfo
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- CN1992964B CN1992964B CN200510097471A CN200510097471A CN1992964B CN 1992964 B CN1992964 B CN 1992964B CN 200510097471 A CN200510097471 A CN 200510097471A CN 200510097471 A CN200510097471 A CN 200510097471A CN 1992964 B CN1992964 B CN 1992964B
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Abstract
The invention relates to a system which can obtain the user terminal position in group network, wherein said system has position information database; the group network obtains the position information and sends it to the database; the database obtains the network mark of user terminal, to relate it with position information to be stored in database; the position processor outside the group network receives service request, based on network mark to obtain the user position information in the database. The invention also discloses a method for obtaining the user terminal position, which comprises that: the position information database is arranged in system, the position processor inquires the position information in the database.
Description
Technical field
The present invention relates to the technology that network side obtains the user terminal geographical location information, particularly the position processing unit obtains the system and method for geographical location information of packet network user terminal.
Background technology
At present, along with the continuous maturation of group technology,, much run the commercial city and set up the grouping telecommunications network just towards the broadband telecommunication net development based on packet switching based on Circuit-switched conventional telecommunication network, user terminal can insert telecommunications network by packet network.In packet network, the user can use identical user ID, inserts telecommunications network in different geographical position by packet network, and in this case, in order to satisfy different business demands, telecommunications network must be able to obtain the geographical location information of user terminal.
As under the urgency traffic situation, communication network need route the call to optimal public safety joint point (PSAP) according to calling subscriber's geographical location information, transfer the call to optimal EC (ECC) in public safety joint point (PSAP) according to the geographical location information of caller and handle, offer help for the seeking help person rapidly by ECC.
Position such as PSAP or ECC processing unit has is arranged on packet network inside, and what also have is arranged on the packet network outside.Referring to Fig. 1, Fig. 1 obtains the system configuration schematic diagram of geographical location information of packet network user terminal for prior art.
Wherein, user terminal 100 can be divided into two classes, and a class is the IP terminal, and it can directly insert packet network by network insertion unit 111.Another kind of is legacy user terminals, and it can wait other intermediate node by the user access networks pass, inserts packet network by network insertion unit 111 again.
User terminal and user access networks close can pass through plurality of access modes, as GPRS network, inserts packet-based core networks, various access waies are to not influence of the present invention, therefore, intermediate node such as not shown user access networks pass among Fig. 1 also need not to describe the concrete access way of user terminal.
Calling conversation control unit 112 provides functions such as calling control, route continue for the registered user who inserts packet-based core networks 110, it can be toggled to calling Service Control Unit 114, can also route the call to other calling conversation control unit by Session Initiation Protocol, the figure part omitted.
Media gateway controlling unit 113 provides the intercommunication controlled function for the mutual calling between the registered user that inserts packet-based core networks and the outside legacy circuit network 120, finish translating of SIP and other call control protocol, by the control of media gateway (diagram slightly) being finished the translation function of branch group media and circuit medium type. media gateway controlling unit 113 and calling conversation control unit 112 are during for different network entity, and interface between the two is SIP; When media gateway controlling unit 113 and calling conversation control unit 112 were same network entity, this interface was SIP or self-defining internal interface.
The network node that position processing unit 115 in the Packet Based Network and Packet Based Network external position processing unit 130 all refer to obtain the user terminal geographical location information is as EC.Position processing unit 115 in the Packet Based Network directly links to each other with the Service Control Unit 114 in the packet-based core networks 110; Packet Based Network external position processing unit 130 links to each other with media gateway controlling unit 113 in the packet-based core networks 110 by outside legacy circuit network 120.Outside legacy circuit network 120 finger PSTN/ISDN etc. provide the network of circuit domain business.
In the existing protocol, stipulated how the position processing unit, obtain the geographical location information method of user terminal if being arranged on packet network when inside and outside.Referring to Fig. 2, Fig. 2 is for being in the schematic flow sheet that packet network interior location processing unit obtains the geographical location information of user terminal in the agreement.This flow process may further comprise the steps:
Step 201, user terminal is initiated urgent call to the network insertion unit, with the network insertion unit matching, finishes access authentication.In this process, the network insertion unit obtains the geographical location information of this user terminal.
Here, geographical location information can adopt the address information form of standard, as LIF, also can use to comprise country, and the city, the text of street information is represented, can also use other form to describe.
Step 202, network insertion unit select to handle the calling conversation control unit of this session according to call request.
Step 203, network insertion unit send the service request of carrying the user terminal geographical location information to the calling conversation control unit of selecting.
Step 204, calling conversation control unit are routed to this service request of carrying the user terminal geographical location information Service Control Unit of handling the relevant position business according to the traffic performance of this session.
After step 205, Service Control Unit are handled accordingly, this is carried the service request of user terminal geographical location information, route is given the position processing unit.
Call is returned to user terminal after carrying out the position processing in step 206～209, position processing unit, finishes call proceeding.
Referring to Fig. 3, Fig. 3 obtains the schematic flow sheet of the geographical location information of user terminal for the position processing unit that is in the packet network outside in the agreement.This flow process may further comprise the steps:
Step 301, user terminal is initiated urgent call to the network insertion unit, with the network insertion unit matching, finishes access authentication.In this process, the network insertion unit obtains the geographical location information of this user terminal.
Here, geographical location information can adopt the address information form of standard, as LIF, also can use to comprise country, and the city, the text of street information is represented, can also use other form to describe.
Step 302, network insertion unit select to handle the calling conversation control unit of this session according to call request.
Step 303, network insertion unit send the service request of carrying the user terminal geographical location information to the calling conversation control unit of selecting.
Step 304, calling conversation control unit are routed to this service request of carrying the user terminal geographical location information Service Control Unit of handling the relevant position business according to the traffic performance of this session.
After step 305, Service Control Unit are handled accordingly,, send to calling conversation control unit with this service request of carrying the user terminal geographical location information.
The service request that step 306, calling conversation control unit will be carried the user terminal geographical location information is transmitted to the media gateway controlling unit.
Step 307, the media gateway controlling unit sends service request to legacy circuit network, should comprise the geographical location information of this user terminal in this service request.
Yet, in actual applications, the service request that agreement between the outside legacy circuit network such as media gateway controlling unit and PSTN does not support to carry geographical location information, the media gateway controlling unit is when external network sends service request, the geographical location information that carries in the service request can be abandoned, by the agreement regulation, service request is sent to outside legacy circuit network again.Therefore, the position processing unit that links to each other with outside traditional circuit can't obtain the geographical location information of the user terminal make a call from the media gateway controlling unit.
As seen, though existing protocol regulation media gateway controlling unit should send to external network with service request with geographical location information, but the transmission of geographical location information can not be supported in physical medium gateway control unit, therefore, the position processing unit that is in the packet network outside at present still can't obtain the geographical location information of the user terminal that inserts by packet network.
Summary of the invention
In view of this, first main purpose of the present invention is: a kind of realization system that obtains geographical location information of packet network user terminal is provided, and the position processing unit that is in the packet network outside in this system can obtain the geographical location information of the user terminal that inserts by packet network.
Second main purpose of the present invention is: a kind of method that obtains geographical location information of packet network user terminal is provided, and this method makes the position processing unit that is in the packet network outside can obtain the geographical location information by the user terminal of packet network access.
Be first aspect that achieves the above object, the invention provides a kind of system that obtains geographical location information of packet network user terminal, this system comprises at least: packet-based core networks, legacy circuit network and Packet Based Network external position processing unit; This system also comprises: the location information data storehouse;
Described packet-based core networks comprise at least: network insertion unit, calling conversation control unit, media gateway controlling unit and Service Control Unit; Described media gateway controlling unit links to each other with Packet Based Network external position processing unit by legacy circuit network;
Described network insertion unit receives the service request that user terminal sends, and obtains the geographical location information of this user terminal, and sends the service request that comprises geographical location information and packet network sign to calling conversation control unit;
Described calling conversation control unit is transmitted service request according to the attribute of service request to Service Control Unit; Or to media gateway controlling unit forwards service request;
The service request that described Service Control Unit receipt of call Session Control Unit sends is carried out Business Processing, and the geographical location information and the packet network sign of user terminal sent to the location information data storehouse; Perhaps, obtain the user terminal network sign, the geographical location information and the network identity of user terminal sent to the location information data storehouse according to the packet network in service request sign;
The service request that described media gateway controlling unit receipt of call Session Control Unit sends obtains the user terminal network sign, the user terminal network sign is joined in the service request send to Packet Based Network external position processing unit by legacy circuit network;
The location information data storehouse receives geographical location information and the packet network sign that packet-based core networks send, and obtains this user terminal network sign according to this packet network sign, perhaps, receives geographical location information and user terminal network sign that packet-based core networks send; Geographical location information corresponding stored with this user terminal network sign and this user terminal;
Packet Based Network external position processing unit is identified to the geographical location information that the location information data library inquiry obtains this user terminal according to user terminal network after receiving service request.
Described packet-based core networks can further comprise:
Position processing unit in the Packet Based Network, it links to each other respectively with the location information data storehouse with Service Control Unit; After described Service Control Unit receives the service request of position processing unit in this Packet Based Network, the geographical location information of user terminal is wherein sent to the location information data storehouse, and service request is sent to position processing unit in the Packet Based Network;
The position processing unit receives service request in the described Packet Based Network, and obtains the geographical location information of this user terminal to the inquiry of position information database.
Be second aspect that achieves the above object, the invention provides a kind of method that obtains geographical location information of packet network user terminal, the location information data storehouse is set in system, and the process that Packet Based Network external position processing unit obtains the user terminal geographical location information of access packet network may further comprise the steps:
The network insertion unit of A1, packet-based core networks receives the service request that user terminal sends, obtain the geographical location information of this user terminal, and send the service request that comprises geographical location information and packet network sign to the calling conversation control unit of packet-based core networks;
A2, calling conversation control unit transmit service request according to the attribute of service request to the Service Control Unit of packet-based core networks; Or to the media gateway controlling unit forwards service request of packet-based core networks;
The service request that A3, Service Control Unit receipt of call Session Control Unit send is carried out Business Processing, and the geographical location information and the packet network sign of user terminal sent to the location information data storehouse; Perhaps, obtain the user terminal network sign, the geographical location information and the network identity of user terminal sent to the location information data storehouse according to the packet network of the user terminal that comprises in service request sign;
B, location information data storehouse receive geographical location information and the packet network sign that packet-based core networks send, packet network according to this user terminal identifies the network identity that obtains this user terminal, perhaps, receives geographical location information and user terminal network sign that packet-based core networks send; Geographical location information corresponding stored with this user terminal network sign and this user terminal;
C, packet-based core networks obtain this user terminal network sign and add service request, and service request is sent to Packet Based Network external position processing unit by legacy circuit network;
After D, Packet Based Network external position processing unit receive service request, be identified to the geographical location information that the location information data library inquiry obtains this user terminal according to user terminal network.
The location information data storehouse according to the packet network of user terminal sign obtain this user terminal network identification method can for:
The location information data storehouse is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, the location information data storehouse directly identifies packet network and changes, and obtains this user terminal network and identifies;
Or can't obtain at the position information database under the situation of this user terminal network sign, an interim user terminal network sign is distributed for this user terminal in the location information data storehouse.
Service Control Unit according to the packet network of the user terminal that comprises in service request sign obtain this user terminal network sign method can for:
Service Control Unit is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, Service Control Unit directly identifies packet network and changes, and obtains this user terminal network and identifies;
Or can't obtain at Service Control Unit under the situation of this user terminal network sign, Service Control Unit distributes an interim user terminal network sign for this user terminal.
Described step C can comprise:
C1, Service Control Unit are routed to this service request the media gateway controlling unit of packet-based core networks by calling conversation control unit;
C2, media gateway controlling unit obtain this user terminal network sign and add service request, by legacy circuit network, this service request are sent to Packet Based Network external position processing unit.
Described step B may further include: the location information data storehouse sends the affirmation response that comprises the user terminal network sign to Service Control Unit;
Described step C1 is: the service request that Service Control Unit will comprise the user terminal network sign is routed to the media gateway controlling unit by calling conversation control unit;
Among the described step C2, the media gateway controlling unit obtains this user terminal network sign from the service request that receives.
The described media gateway controlling of step C2 unit obtain this user terminal network sign method can for:
The media gateway controlling unit obtains this user terminal network sign according to the sign of the packet network in the service request that receives.
The described media gateway controlling of step C2 unit obtain this user terminal network sign method can for:
The media gateway controlling unit is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, the media gateway controlling unit directly identifies packet network and changes, and obtains this user terminal network and identifies.
Described step D can comprise:
D1, Packet Based Network external position processing unit send the query requests that comprises the user terminal network sign to the location information data storehouse;
D2, location information data storehouse obtain the geographical location information of this user terminal according to the network identity of user terminal.
This method may further include: the position processing unit obtains the process of the user terminal geographical location information of access packet network in the Packet Based Network, and this process comprises:
After a, Service Control Unit receive the service request that comprises the user terminal geographical location information, carry out Business Processing, and store the geographical location information of this user terminal into the location information data storehouse;
B, Service Control Unit are routed to position processing unit in the Packet Based Network with this service request;
The position processing unit obtains the geographical location information of this user terminal in c, the Packet Based Network to the inquiry of position information database according to service request.
Among the described step a, Service Control Unit can report the location information data storehouse with the packet network sign and the geographical location information of this user terminal in the service request, and the location information data storehouse is with the packet network sign and the geographical location information corresponding stored of this user terminal;
Among the described step c, the position processing unit obtains the geographical location information of this user terminal according to the sign of the packet network in the service request in the Packet Based Network to the inquiry of position information database.
The position processing unit can adopt diameter (Diameter) agreement to inquire about to the position information database as vlan query protocol VLAN.
As seen from the above technical solutions, the system and method for this acquisition geographical location information of packet network user terminal of the present invention, the location information data storehouse is set in system, behind the geographical location information of the user terminal that the packet-based core networks acquisition makes a call, earlier geographical location information is not sent to the position processing unit by service request, but this geographical location information is sent to the location information data storehouse; After being arranged on the inner or outside position processing unit of packet network and receiving the service request of this user terminal, obtain the geographical location information of this user terminal to described location information data storehouse.Like this, the position processing unit that is in the packet network outside can obtain to initiate the geographical location information of the user terminal of service request easily.
Description of drawings
Fig. 1 obtains the system configuration schematic diagram of geographical location information of packet network user terminal for prior art;
Fig. 2 is for being in the schematic flow sheet that the interior position processing unit of packet network obtains the geographical location information of user terminal in the agreement;
Fig. 3 is for being in the schematic flow sheet that the outer position processing unit of packet network obtains the geographical location information of user terminal in the agreement;
Fig. 4 is the system configuration schematic diagram that obtains geographical location information of packet network user terminal in a preferred embodiment of the present invention;
Fig. 5 is in the system configuration embodiment illustrated in fig. 4, and the outer position processing unit of Packet Based Network obtains the schematic flow sheet of the geographical location information of user terminal
In Fig. 6 system configuration embodiment illustrated in fig. 4, the position processing unit in the Packet Based Network obtains the schematic flow sheet of the geographical location information of user terminal.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, the present invention is described in more detail.
The system and method for this acquisition geographical location information of packet network user terminal of the present invention, the location information data storehouse is set in system, behind the geographical location information of the user terminal that the packet-based core networks acquisition makes a call, this geographical location information is sent to the location information data storehouse; After being arranged on the inner or outside position processing unit of packet network and receiving the service request of this user terminal, obtain the geographical location information of this user terminal to described location information data storehouse.
Referring to Fig. 4, Fig. 4 is the system configuration schematic diagram that obtains geographical location information of packet network user terminal in a preferred embodiment of the present invention.Compare with prior art systems shown in Figure 1 in the system of present embodiment, increased location information data storehouse 440, position processing unit and Packet Based Network external position processing unit 130 link to each other respectively in the Service Control Unit 114 in this location information data storehouse 440 and the packet-based core networks 110, the Packet Based Network.
Other are same as the prior art: user terminal 100 inserts packet-based core networks 110 by network insertion unit 111; Network insertion unit 111 links to each other with calling conversation control unit 112; Calling conversation control unit 112 links to each other respectively with media gateway controlling unit 113 with Service Control Unit 114; Packet Based Network external position processing unit 130 links to each other with media gateway controlling unit 113 in the packet-based core networks 110 by legacy circuit network 120.
Wherein, if user terminal 100 is to make a call to Packet Based Network external position processing unit 130, then network insertion unit 111 receives the service request that user terminal 100 sends, obtain the geographical location information of this user terminal 100, and send the service request that comprises geographical location information to calling conversation control unit 112.
Calling conversation control unit 112 is transmitted service request according to the attribute of service request to Service Control Unit 114; After receiving the service request that Service Control Unit 114 returns, send service request to media gateway controlling unit 113.Calling conversation control unit 112 also can be directly to media gateway controlling unit forwards service request.
The service request that Service Control Unit 114 receipt of call Session Control Unit 112 send is carried out Business Processing, and the geographical location information of user terminal is sent to location information data storehouse 440.
The service request that media gateway controlling unit 113 receipt of call Session Control Unit 112 send, obtain the user terminal telephone number, the user terminal telephone number is joined in the service request send to Packet Based Network external position processing unit 130 by legacy circuit network 120.
Location information data storehouse 440 receives the geographical location information that described Service Control Unit 114 sends, and obtains the telephone number of this user terminal, with the geographical location information corresponding stored of this user terminal telephone number and this user terminal; Or receive the query requests that comprises the user terminal telephone number that Packet Based Network external position processing unit 130 sends, the geographical location information of this user terminal is returned to Packet Based Network external position processing unit 130;
Grouping external position processing unit 130 receives the service request that comprises the user terminal telephone number, sends the query requests that comprises the user terminal telephone number to location information data storehouse 440; Or the geographical location information of this user terminal of returning of receiving position information database 440, carry out the position and handle.
If user terminal 100 is that position processing unit 115 makes a call in Packet Based Network, then network insertion unit 111 receives the service request that user terminal 100 sends, obtain the geographical location information of this user terminal 100, and send the service request that comprises geographical location information to calling conversation control unit 112.
After described Service Control Unit 114 receives the service request of this position processing unit, the geographical location information of user terminal is wherein sent to location information data storehouse 440, and service request is sent to position processing unit 115 in the Packet Based Network.
Referring to Fig. 5, Fig. 5 is in the system configuration embodiment illustrated in fig. 4, and the outer position processing unit of Packet Based Network obtains the schematic flow sheet of the geographical location information of user terminal.This flow process may further comprise the steps:
Step 501, user terminal is initiated urgent call to the network insertion unit, with the network insertion unit matching, finishes access authentication.In this process, the network insertion unit obtains the geographical location information of this user terminal.
Here, geographical location information can adopt the address information form of standard, as LIF, also can use to comprise country, and the city, the text of street information is represented, can also use other form to describe.
User terminal can directly be linked into packet-based core networks by the network insertion unit in the present embodiment, also can close the access network access unit by user access networks and be linked into packet-based core networks again, adopts which kind of access way that present embodiment all is suitable for.
Step 502, network insertion unit select to handle the calling conversation control unit of this session according to call request, route the call to the calling conversation control unit of handling this session.
Generally, session is handled on the calling conversation control unit of user terminal home domain, but under given conditions, under the urgency traffic situation, session is handled on the calling conversation control unit in visit territory.
Step 503, network insertion unit send SIP service request (INVITE) message of carrying user terminal packet network sign and geographical location information to the calling conversation control unit of selecting.
Step 504, calling conversation control unit are routed to the Service Control Unit of handling the relevant position business according to the traffic performance of this session with this SIP INVITE that carries user terminal packet network sign and geographical location information.
Step 505, Service Control Unit are carried out corresponding service processing according to the geographical location information of user terminal in the INVITE, and the packet network identification information and the geographical location information of user terminal sent to the location information data storehouse.
Step 506, the location information data storehouse obtains user terminal number and geographical location information thereof, with the telephone number and the geographical location information corresponding stored of this user terminal.
In this step, the location information data storehouse can obtain the telephone number of user terminal by following two kinds of methods:
Method 1: the location information data storehouse is according to the telephone number in the corresponding legacy circuit network of packet network sign acquisition user terminal of user terminal.
Specifically, the telephone number that identifies corresponding stored with this packet network can be inquired about according to the packet network sign of user terminal in the location information data storehouse in network data base, obtain the telephone number of this user terminal.
Packet network sign at user terminal exists under the related situation with telephone number, and the location information data storehouse can also directly be changed the packet network sign, obtains the telephone number of this user terminal.For example: the 82880000th, the telephone number of certain user terminal, the packet network of this user terminal is designated 82880000@abcd.com.Just have under the situation of telephone number information in this packet network sign, this telephone number can directly be read in the location information data storehouse from this packet network sign.
When urgent call, user terminal is unregistered etc., and the location information data storehouse can't obtain under the situation of this user terminal telephone number, and an interim telephone number can also be distributed for this user terminal in the location information data storehouse.
Method 2: the location information data storehouse directly obtains the telephone number and the geographical location information of user terminal from the information that Service Control Unit sends.In above-mentioned steps 505, Service Control Unit is further according to the telephone number in the corresponding legacy circuit network of packet network sign acquisition user terminal of user terminal, or be interim telephone number of this user terminal distribution (concrete grammar is the same, here no longer repetition).Then, Service Control Unit is replaced user terminal packet network sign with the telephone number of user terminal, telephone number and geographical location information are sent to the location information data storehouse, and the location information data storehouse directly obtains the telephone number and the geographical location information of user terminal.
Step 507, location information data storehouse are returned to Service Control Unit and are confirmed response.
In this step, if the telephone number of user terminal is obtained or distribution to the network data library inquiry by the location information data storehouse, then the location information data storehouse increases the telephone number of user terminal in the affirmation response of returning to Service Control Unit; If the telephone number of user terminal is obtained or distribution to the network data library inquiry by Service Control Unit, then can no longer confirm to comprise this user terminal telephone number in the response.
Step 508, Service Control Unit sends to calling conversation control unit with the SIP INVITE.
Step 509, calling conversation control unit sends the SIP INVITE to the media gateway controlling unit.
Step 510, the media gateway controlling unit obtains the user terminal telephone number.
In the present embodiment, the media gateway controlling unit obtains the user terminal telephone number two kinds of methods:
Method 1: the telephone number that identifies corresponding stored with this packet network can be inquired about according to the packet network sign of user terminal in the SIP INVITE in the media gateway controlling unit in network data base, obtain the telephone number of this user terminal.Packet network sign at user terminal exists under the related situation with telephone number, and the media gateway controlling unit also can directly be changed the packet network sign, obtains the telephone number of this user terminal.
Method 2: the media gateway controlling unit further directly reads the telephone number of user terminal from the SIPINVITE message that calling conversation control unit receives. in this case, in above-mentioned steps 508, Service Control Unit further adds the SIP INVITE with the user terminal telephone number and sends to calling conversation control unit, calling conversation control unit is transmitted to the media gateway controlling unit with this SIP INVITE again, like this, the media gateway controlling unit just can directly read the telephone number of user terminal from the SIP INVITE.
In addition, in the present embodiment, the media gateway controlling unit can directly send message to legacy circuit network, also can pass through the SGW unit, sends message to legacy circuit network, and the SGW unit is not shown.
Step 511, the IAM message that the media gateway controlling unit carries the telephone number of user terminal to the legacy circuit network transmission is to carry out service request.The telephone number of user terminal is carried in the calling party address information of IAM message.
Step 512, legacy circuit network is judged the type of service of this time calling out according to information such as called numbers, routes the call to suitable position processing unit.
The position processing unit can pass through the SS7 signaling, ISDN PRI, and other signalings such as analog subscriber signaling are linked into legacy circuit network, and described herein is the situation that inserts legacy circuit network by the SS7 signaling.
Step 513, position processing unit send the inquiry response of the telephone number that comprises user terminal to the location information data storehouse.
Step 514, location information data storehouse inquire the geographical location information of user terminal according to the telephone number of user terminal, return the inquiry response of the geographical location information that comprises user terminal to the position processing unit.
The position processing unit can use Diameter as vlan query protocol VLAN in the present embodiment, inquires about.
Step 515～520, position processing unit are carried out corresponding location service and are handled, and send call to user terminal according to the geographical location information of user terminal, finish call proceeding.
Step 601, user terminal is initiated urgent call to the network insertion unit, with the network insertion unit matching, finishes access authentication.In this process, the network insertion unit obtains the geographical location information of this user terminal.
Here, geographical location information can adopt the address information form of standard, as LIF, also can use to comprise country, and the city, the text of street information is represented, can also use other form to describe.
User terminal can directly be linked into packet-based core networks by the network insertion unit in the present embodiment, also can close the access network access unit by user access networks and be linked into packet-based core networks again, adopts which kind of access way that present embodiment all is suitable for.
Step 602, network insertion unit select to handle the calling conversation control unit of this session according to call request, route the call to the calling conversation control unit of handling this session.
Generally, session is handled on the calling conversation control unit of user terminal home domain, but under given conditions, under the urgency traffic situation, session is handled on the calling conversation control unit in visit territory.
Step 603, network insertion unit send SIP service request (INVITE) message of carrying user terminal packet network sign and geographical location information to the calling conversation control unit of selecting.
Step 604, calling conversation control unit are routed to the Service Control Unit of handling the relevant position business according to the traffic performance of this session with this SIP INVITE that carries user terminal packet network sign and geographical location information.
Step 605, Service Control Unit are carried out corresponding service processing according to the geographical location information of user terminal in the INVITE, and the packet network sign and the geographical location information of user terminal reported the location information data storehouse.
The SIP INVITE that step 606, Service Control Unit will be carried user terminal packet network sign and geographical location information is routed to suitable position processing unit.
Step 607, position processing unit send the query requests of the packet network sign that comprises user terminal to the location information data storehouse.
Step 608, location information data storehouse inquire the geographical location information of user terminal according to the packet network sign of user terminal, and the Query Result that will comprise the user terminal geographical location information returns to the position processing unit.
The position processing unit can use Diameter as vlan query protocol VLAN in the present embodiment, inquires about.
The location service processing is carried out in step 609～612, position processing unit, and returns call to user terminal, finishes call proceeding.
In the foregoing description, be example with the PSTN network, so what store in the location information data storehouse is the geographical location information of telephone number and respective user terminal thereof with legacy circuit network.In the practical application, if other circuit networks, the network identity of user terminal is not a telephone number, then the user terminal network sign of this network application and the geographical location information of respective user terminal thereof can be stored in the location information data storehouse.
By the above embodiments as seen, use the system and method for this acquisition geographical location information of packet network user terminal of the present invention, be in the geographical location information that the inside and outside position processing unit of packet network can both obtain to initiate the user terminal of service request easily.
Claims (13)
1. obtain the system of geographical location information of packet network user terminal, comprise at least: packet-based core networks, legacy circuit network and Packet Based Network external position processing unit; It is characterized in that this system also comprises: the location information data storehouse;
Described packet-based core networks comprise at least: network insertion unit, calling conversation control unit, media gateway controlling unit and Service Control Unit; Described media gateway controlling unit links to each other with Packet Based Network external position processing unit by legacy circuit network;
Described network insertion unit receives the service request that user terminal sends, and obtains the geographical location information of this user terminal, and sends the service request that comprises geographical location information and packet network sign to calling conversation control unit;
Described calling conversation control unit is transmitted service request according to the attribute of service request to Service Control Unit; Or to media gateway controlling unit forwards service request;
The service request that described Service Control Unit receipt of call Session Control Unit sends is carried out Business Processing, and the geographical location information and the packet network sign of user terminal sent to the location information data storehouse; Perhaps, obtain the user terminal network sign, the geographical location information and the network identity of user terminal sent to the location information data storehouse according to the packet network in service request sign;
The service request that described media gateway controlling unit receipt of call Session Control Unit sends obtains the user terminal network sign, the user terminal network sign is joined in the service request send to Packet Based Network external position processing unit by legacy circuit network;
The location information data storehouse receives geographical location information and the packet network sign that packet-based core networks send, and obtains this user terminal network sign according to this packet network sign, perhaps, receives geographical location information and user terminal network sign that packet-based core networks send; Geographical location information corresponding stored with this user terminal network sign and this user terminal;
Packet Based Network external position processing unit is identified to the geographical location information that the location information data library inquiry obtains this user terminal according to user terminal network after receiving service request.
2. the system as claimed in claim 1 is characterized in that, described packet-based core networks further comprise:
Position processing unit in the Packet Based Network, it links to each other respectively with the location information data storehouse with Service Control Unit; After described Service Control Unit receives the service request of position processing unit in this Packet Based Network, the geographical location information of user terminal is wherein sent to the location information data storehouse, and service request is sent to position processing unit in the Packet Based Network;
The position processing unit receives service request in the described Packet Based Network, and obtains the geographical location information of this user terminal to the inquiry of position information database.
3. method that obtains geographical location information of packet network user terminal is characterized in that: the location information data storehouse is set in system, and the process that Packet Based Network external position processing unit obtains geographical location information of packet network user terminal may further comprise the steps:
The network insertion unit of A1, packet-based core networks receives the service request that user terminal sends, obtain the geographical location information of this user terminal, and send the service request that comprises geographical location information and packet network sign to the calling conversation control unit of packet-based core networks;
A2, calling conversation control unit transmit service request according to the attribute of service request to the Service Control Unit of packet-based core networks; Or to the media gateway controlling unit forwards service request of packet-based core networks;
The service request that A3, Service Control Unit receipt of call Session Control Unit send is carried out Business Processing, and the geographical location information and the packet network sign of user terminal sent to the location information data storehouse; Perhaps, obtain the user terminal network sign, the geographical location information and the network identity of user terminal sent to the location information data storehouse according to the packet network of the user terminal that comprises in service request sign;
B, location information data storehouse receive geographical location information and the packet network sign that packet-based core networks send, packet network sign according to this user terminal obtains this user terminal network sign, perhaps, receive geographical location information and the user terminal network sign that packet-based core networks send; Geographical location information corresponding stored with this user terminal network sign and this user terminal;
C, packet-based core networks obtain this user terminal network sign and add service request, and service request is sent to Packet Based Network external position processing unit by legacy circuit network;
After D, Packet Based Network external position processing unit receive service request, be identified to the geographical location information that the location information data library inquiry obtains this user terminal according to user terminal network.
4. method as claimed in claim 3 is characterized in that, the location information data storehouse according to the method for this user terminal network sign of packet network sign acquisition of user terminal is:
The location information data storehouse is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, the location information data storehouse directly identifies packet network and changes, and obtains this user terminal network and identifies;
Or can't obtain at the position information database under the situation of this user terminal network sign, an interim user terminal network sign is distributed for this user terminal in the location information data storehouse.
5. method as claimed in claim 3 is characterized in that, Service Control Unit according to the method for this user terminal network sign of packet network sign acquisition of the user terminal that comprises in the service request is:
Service Control Unit is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, Service Control Unit directly identifies packet network and changes, and obtains this user terminal network and identifies;
Or can't obtain at Service Control Unit under the situation of this user terminal network sign, Service Control Unit distributes an interim user terminal network sign for this user terminal.
6. method as claimed in claim 3 is characterized in that, described step C comprises:
C1, Service Control Unit are routed to this service request the media gateway controlling unit of packet-based core networks by calling conversation control unit;
C2, media gateway controlling unit obtain this user terminal network sign and add service request, by legacy circuit network, this service request are sent to Packet Based Network external position processing unit.
7. method as claimed in claim 6 is characterized in that, described step B further comprises: the location information data storehouse sends the affirmation response that comprises the user terminal network sign to Service Control Unit;
Described step C1 is: the service request that Service Control Unit will comprise the user terminal network sign is routed to the media gateway controlling unit by calling conversation control unit;
Among the described step C2, the media gateway controlling unit obtains this user terminal network sign from the service request that receives.
8. method as claimed in claim 6 is characterized in that, the method that the described media gateway controlling of step C2 unit obtains this user terminal network sign is:
The media gateway controlling unit obtains this user terminal network sign according to the sign of the packet network in the service request that receives.
9. method as claimed in claim 8 is characterized in that, the method that the described media gateway controlling of step C2 unit obtains this user terminal network sign is:
The media gateway controlling unit is inquired about the user terminal network sign that identifies corresponding stored with this packet network according to the packet network sign of user terminal in network data base, obtain this user terminal network sign;
Or exist under the related situation in the packet network of user terminal sign and user terminal network sign, the media gateway controlling unit directly identifies packet network and changes, and obtains this user terminal network and identifies.
10. method as claimed in claim 3 is characterized in that, described step D comprises:
D1, Packet Based Network external position processing unit send the query requests that comprises the user terminal network sign to the location information data storehouse;
D2, location information data storehouse obtain the geographical location information of this user terminal according to the network identity of user terminal.
11. method as claimed in claim 3 is characterized in that, this method further comprises: the position processing unit obtains the process of the user terminal geographical location information of access packet network in the Packet Based Network, and this process comprises:
After a, Service Control Unit receive the service request that comprises the user terminal geographical location information, carry out Business Processing, and store the geographical location information of this user terminal into the location information data storehouse;
B, Service Control Unit are routed to position processing unit in the Packet Based Network with this service request;
The position processing unit obtains the geographical location information of this user terminal in c, the Packet Based Network to the inquiry of position information database according to service request.
12. method as claimed in claim 11, it is characterized in that: among the described step a, Service Control Unit reports the location information data storehouse with the packet network sign and the geographical location information of this user terminal in the service request, and the location information data storehouse is with the packet network sign and the geographical location information corresponding stored of this user terminal;
Among the described step c, the position processing unit obtains the geographical location information of this user terminal according to the sign of the packet network in the service request in the Packet Based Network to the inquiry of position information database.
13. as claim 3,10,11 or 12 described methods, it is characterized in that: the position processing unit adopts the diameter Diameter to inquire about to the position information database as vlan query protocol VLAN.
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| CN200510097471A CN1992964B (en) | 2005-12-28 | 2005-12-28 | System and method for obtaining geographical location information of packet network user terminal |
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| CN200510097471A CN1992964B (en) | 2005-12-28 | 2005-12-28 | System and method for obtaining geographical location information of packet network user terminal |
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| CN1992964B true CN1992964B (en) | 2010-05-05 |
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| CN102056017B (en) * | 2009-10-29 | 2014-08-13 | 中兴通讯股份有限公司 | ESG distribution method and system for multimedia broadcast service and ESG server |
| CN102083032B (en) * | 2009-11-30 | 2013-10-23 | 中国移动通信集团公司 | System, method and device for processing fax service |
| CN102083031B (en) * | 2009-11-30 | 2014-11-05 | 中国移动通信集团公司 | System, method and equipment for processing fax services |
| KR101127794B1 (en) * | 2011-08-17 | 2012-03-23 | 주식회사 씽크풀 | Judgement system for location of network idendifier and method thereof |
| WO2013143059A1 (en) * | 2012-03-26 | 2013-10-03 | Nokia Corporation | Method and apparatus for providing location information |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1484411A (en) * | 2002-09-16 | 2004-03-24 | 华为技术有限公司 | Telecommunication exchange system and method for realizing geographic location business |
| US6771742B2 (en) * | 2001-11-05 | 2004-08-03 | Intrado Inc. | Geographic routing of emergency service call center emergency calls |
| CN1642348A (en) * | 2004-01-08 | 2005-07-20 | 电子科技大学 | Moving management method for use between high anti-destroy distribution type user's network |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771742B2 (en) * | 2001-11-05 | 2004-08-03 | Intrado Inc. | Geographic routing of emergency service call center emergency calls |
| CN1484411A (en) * | 2002-09-16 | 2004-03-24 | 华为技术有限公司 | Telecommunication exchange system and method for realizing geographic location business |
| CN1642348A (en) * | 2004-01-08 | 2005-07-20 | 电子科技大学 | Moving management method for use between high anti-destroy distribution type user's network |
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