CN107786488A - Conversation controlling method, system and relevant device - Google Patents

Conversation controlling method, system and relevant device Download PDF

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Publication number
CN107786488A
CN107786488A CN201610712778.4A CN201610712778A CN107786488A CN 107786488 A CN107786488 A CN 107786488A CN 201610712778 A CN201610712778 A CN 201610712778A CN 107786488 A CN107786488 A CN 107786488A
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China
Prior art keywords
terminal
information
area code
area
positional information
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CN201610712778.4A
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Chinese (zh)
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CN107786488B (en
Inventor
周伟
毛聪杰
聂衡
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China Telecom Corp Ltd
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China Telecom Corp Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/1046—Call controllers; Call servers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/08—Mobility data transfer

Abstract

The invention discloses a kind of conversation controlling method, system and session control device and location server, it is related to wireless communication technology field.In the present invention, terminal reporting position information while the calling based on WiFi is initiated, the positional information of terminal includes the media access control address of the WAP of terminal, the mobile network area information of terminal, and at least one information in the geographical location information of terminal, the area code according to corresponding to the positional information of terminal obtains terminal, and it is added in follow-up call signaling, solve the problems, such as that calling area information can not be obtained in the calling procedure based on WiFi, promote the application and further development of VoWiFi technologies.

Description

Conversation controlling method, system and relevant device
Technical field
The present invention relates to wireless communication technology field, more particularly to a kind of conversation controlling method, system and session control Device and location server.
Background technology
(IP Multimedia Subsystem, IP is more by IMS by LTE (Long Term Evolution, Long Term Evolution) Media subsystem) speech business is provided, at the initial stage of deployment, it is difficult to provide continuous covering, in order to accelerate speech business to dispose, portion Divide operator to consider to access IMS network by WLAN, so as to extend LTE coverings, and then strengthen what IMS speech businesses covered Purpose.WLAN can be with accessing IMS network, respectively S2a modes, S2b modes, S2c modes by three kinds of modes.Wherein, S2b connects Enter WLAN access of the mode based on non-credit, wlan network is not required in itself, can be to greatest extent using existing various WLAN hot spot, therefore be widely used for carrying out VoWiFi (voice service traffic based on WiFi), also known as WiFi Calling.
But because WiFi accesses of the WiFi Calling based on non-credit, core net can not obtain the region letter of caller Breath, so as to easily cause to cause billing error because of the missing of calling area, or some call business based on area information The problems such as (such as urgent call) is unable to correct route, therefore, operator can not realize the real application of the technology, so as to reach Strengthen the purpose of IMS speech businesses covering, be unfavorable for the application and development of the technology.
The content of the invention
A technical problem to be solved by this invention is：How the area of caller is obtained in the calling procedure based on WiFi Domain information.
According to an aspect of the present invention, there is provided a kind of conversation controlling method, including：The calling that terminal is sent is obtained to ask Ask, the positional information of carried terminal in call request, the positional information of terminal includes the media of the WAP of terminal connection At least one of in mobile network area information where accessing to control address, the geographical location information of terminal and terminal；According to The positional information of terminal obtains area code corresponding to terminal；Area code is added in call signaling, so that follow-up network element knows ground Area's code.
According to the second aspect of the invention, there is provided a kind of session control device, including：Call request acquiring unit, For obtaining the call request of terminal transmission, the positional information of carried terminal in call request, the positional information of terminal is included eventually Hold the mobile barrier where the media access control address of WAP, the geographical location information of terminal and terminal of connection At least one of in domain information；Area code acquiring unit, for the area code according to corresponding to the positional information of terminal acquisition terminal； Call proceeding unit, for area code to be added in call signaling, so that follow-up network element knows area code.
According to the third aspect of the present invention, there is provided a kind of location server, including：Information receiving unit, for connecing Receive the positional information for the terminal that session control device is sent；Area code query unit, for the place information inquiry according to terminal The positional information of storage and the corresponding relation of area code, obtain area code corresponding to terminal；Information transmitting unit, for session Control device sends area code corresponding to terminal.
According to the fourth aspect of the present invention, there is provided a kind of conversation control system, including：Terminal and previous embodiment Session control device and location server.
In the present invention, terminal reporting position information, positional information bag of terminal while the calling based on WiFi is initiated Include the media access control address of the WAP of terminal, the mobile network area information of terminal, and the geographical position of terminal At least one information in information, the area code according to corresponding to the positional information of terminal obtains terminal, and it is added to follow-up exhale Cry in signaling, solve the problems, such as that calling area information can not be obtained in the calling procedure based on WiFi, promote VoWiFi technologies Application and further development.
By referring to the drawings to the present invention exemplary embodiment detailed description, further feature of the invention and its Advantage will be made apparent from.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of the conversation control system of one embodiment of the present of invention.
Fig. 2 shows the schematic flow sheet of the conversation controlling method of one embodiment of the present of invention.
Fig. 3 shows the schematic flow sheet of the conversation controlling method of an alternative embodiment of the invention.
Fig. 4 shows the schematic flow sheet of the conversation controlling method of another embodiment of the present invention.
Fig. 5 shows the structural representation of the session control device of one embodiment of the present of invention.
Fig. 6 shows the structural representation of the location server of one embodiment of the present of invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Below Description only actually at least one exemplary embodiment is illustrative, is never used as to the present invention and its application or makes Any restrictions.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belongs to the scope of protection of the invention.
The problem of for the area information of caller can not be obtained in the calling procedure based on WiFi in the prior art, propose this Scheme.
The structure chart of one embodiment of conversation control system of the present invention is described with reference to Fig. 1.
Fig. 1 is the structure chart of one embodiment of conversation control system of the present invention.As shown in figure 1, session control of the present invention Location server 60 is increased in system 10 newly, for storage location information and the corresponding relation of area code.Session control device 50 with Interface is set between location server 60, being capable of interactive information.Session control device 50, the position for obtaining terminal 102 are believed Breath, and area code corresponding to terminal 102 is obtained to location server 60 by interface.
Further, terminal 102 connects AP (Access Point, WAP) 104, initiates to call by AP104 Request, by ePDG (evolution packet data gateway) 106 core network access, by PGW (Public Data Network Gateway, public data network gateway) 108 arrival session control devices 50, session control device 50 is, for example, SBC (Session Border Control, Session Border Controll) or PCSCF (Proxy Call Session Control Function, generation Reason call conversation control entity) or SBC and PCSCF close the device set.Session control device 50 carries according in call request The positional information of terminal obtain area code corresponding to terminal to location server 60, and send to follow-up IMS core net Network element, such as SCSCF (Serving Call Session Control Function, service call conversation control entity) etc., So that follow-up network element utilizes the functions such as continuing of being called of the area code of terminal or charging.
Conversation controlling method of the present invention is described below in conjunction with Fig. 2 to Fig. 4.
Fig. 2 is the flow chart of conversation controlling method one embodiment of the present invention.As shown in Fig. 2 the method bag of the embodiment Include：
Step S202, session control device obtain the call request based on WiFi that terminal is sent.
Wherein, in call request carried terminal positional information, the positional information of terminal includes the AP of terminal connection MAC Movement where (Medium Access Control, media access control address), the geographical location information of terminal and terminal At least one of in the domain information of barrier.Call request is, for example, SIP (Session Initiation Protocol, conversation initial Agreement) INVITE message in signaling.Wherein, the geographical location information of terminal includes longitude and latitude, such as by terminal certainly The GPS (Global Positioning System, global positioning system) of band is obtained.Mobile network area information where terminal Including tracking area (Tracking Area, TA) mark, Route Area (Route Area, RA) mark or position area (Location Area, LA) mark, such as obtain when being interacted by the way that terminal is the last with mobile communication base station.The AP's of terminal connection When MAC can be by connecting AP, obtained by AP broadcast message.
Step S204, session control device area according to corresponding to the positional information to location server acquisition terminal of terminal Code.
Wherein, area code is used for identified geographic region scope, such as can be set not according to the situation of administrative division Same area code, Beijing 00001, is not limited to examples cited.
Specifically, session control device sends the positional information of terminal to location server, location server is according to terminal Place information inquiry storage positional information and area code corresponding relation, obtain terminal corresponding to area code；Session control Area code corresponding to the terminal that device receiving position server returns.
Wherein, the corresponding relation of positional information and area code, i.e. geographical location information and ground are stored in location server The corresponding relation of the corresponding relation of area's code, mobile network area information and area code, AP MAC Address is corresponding with area code to close System.When session control device have sent the geographical location information of terminal, mobile network area information, connection AP MAC Address in Any one when, location server can according to corresponding relation obtain terminal corresponding to area code, when session control device send The geographical location information of terminal, mobile network area information, connection AP MAC Address three information when, according to the ground of terminal Manage positional information, mobile network area information, connection AP MAC Address priority obtain terminal corresponding to area code.By The geographical position where can accurately more reflecting terminal is positioned in real time in GPS, and geographical location information is corresponding with region code Relationship Comparison fixation will not be changed arbitrarily, and therefore, prioritizing selection geographical location information determines the area code of terminal, more accurately. Because AP position may move, cause corresponding relation inaccurate, therefore, finally select AP MAC Address to determine terminal-pair The area code answered, still, terminal may not possess GPS functions, or can not obtain mobile network area information, but must during connection AP AP MAC Address can be so obtained, therefore, area code corresponding to terminal is determined by AP MAC Address, improves acquisition terminal-pair The possibility for the area code answered.Further, terminal can be initiated all to report the AP of connection MAC Address during calling every time, such as Fruit can selectively report when can obtain geographical location information and mobile network area information.
Specifically, the positional information of terminal includes the geographical location information of terminal, then location server judges terminal Geographical coverage area where geographical position, and area code corresponding to inquiring about the geographical coverage area of storage, obtain terminal Corresponding area code, for example, the geographical location information of terminal is (40 degree of north latitude, 116 degree of Tokyo), location server judges the ground Reason position falls into Pekinese's geographical coverage area, and corresponding area code is 00001；Or the positional information of terminal is included eventually Mobile network area information where holding, then area code corresponding to the movement web area of location server inquiry storage, is obtained eventually The corresponding area code at end；Or the positional information of terminal includes the AP of terminal connection MAC Address, then location server Area code corresponding to inquiring about the AP of storage MAC Address, obtain the corresponding area code of terminal.
Step S206, session control device adds area code in call signaling, so that follow-up network element knows the terminal-pair The area code answered.
Wherein, area code is for example added in the INVITE message of SIP signalings and sent to follow-up core by session control device Heart network element.Follow-up network element can also carry this area's code during call proceeding, need profit so that this area's code reaches At the network element that charging or route are carried out with this area's code.
In the method for above-described embodiment, terminal reporting position information, positional information bag of terminal while initiating to call Terminal is included by interacting the media access control address of the WAP known with WAP, terminal by with shifting In the mobile network area information that dynamic communication base station interaction is known, and the geographical location information known by navigation system of terminal At least one information, the area code according to corresponding to the positional information of terminal obtains terminal, and be added in follow-up call signaling, Solve the problems, such as that calling area information can not be obtained in the calling procedure based on WiFi, promote the application of VoWiFi technologies and enter One step develops.
Another embodiment of conversation controlling method of the present invention is described with reference to Fig. 3.
Fig. 3 is the flow chart of another embodiment of conversation controlling method of the present invention.As shown in figure 3, the method for the embodiment Including：
Step S302, terminal initiate VoWiFi callings, the positional information of terminal carried terminal in INVITE message.
Wherein, the positional information of terminal includes the longitude and latitude (can not obtain, do not report) of present position, and nearest one The TA/LA/RA marks (can not obtain, do not report) of secondary acquisition, the AP of connection MAC Address.
Step S304, PCSCF obtains INVITE message, and obtains the positional information of terminal therein.
The positional information of step S306, PCSCF reporting terminal gives location server (Location Server, LS).
Step S308, the area in location server region according to residing for positional information and area code mapping table inquiry terminal Code.
The area code in region residing for terminal is returned to PCSCF by step S310, location server.
Area code corresponding to terminal is inserted in corresponding SIP signalings and is transmitted to other nets of IMS by step S312, PCSCF Member.
The present invention also provides how location server obtains positional information and the method for area code, is carried out with reference to Fig. 4 Description.
The corresponding relation of location server storage location information and area code, wherein, geographical location information and area code Corresponding relation can be stored in advance, and mobile network area information is planned when mobile network is disposed can also store shifting in advance The corresponding relation of dynamic barrier domain information and area code.AP MAC Address and the corresponding relation of area code can then pass through self study Mode stored.Detailed process is as follows：
Step S402, session control device send the positional information of terminal to location server.
Wherein, the positional information of terminal include terminal connection AP MAC Address, and the geographical location information of terminal and At least one of in this two information of mobile network area information.
Step S404, location server obtains terminal-pair according to the geographical location information or mobile network area information of terminal should Area code.
Whether step S406, location server inquiry store the AP of terminal connection MAC Address area corresponding with terminal The corresponding relation of code, deposited if it is not, the AP of terminal connection MAC Address area code corresponding with terminal is carried out into binding Storage.
Step S408, area code corresponding to the terminal that location server returns to session control device.
The method of above-described embodiment, location server will be obtained by the geographical location information of terminal or mobile network area information Area code, automatically the MAC Address with the AP of terminal carry out binding storage, realize AP MAC Address and pair of area code The self study that should be related to, the positional information of terminal and the corresponding relation of area code are further expanded, other connections are same when having During AP terminal originated calls, and the terminal can not report geographical location information and mobile network area information, can still pass through AP MAC Address obtain area code, ensure that being smoothed out for the calling based on VoWiFi.
The present invention also provides a kind of session control device, is described with reference to Fig. 5.
Fig. 5 is the structure chart of one embodiment of session control device of the present invention.As shown in figure 5, session control device 50 Including：
Call request acquiring unit 502, for obtaining the call request of terminal transmission, the position of carried terminal in call request Confidence ceases, and the positional information of terminal includes the media access control address of the WAP of terminal connection, the geographical position of terminal At least one of in mobile network area information where confidence breath and terminal.
Wherein, the geographical location information of terminal includes longitude and latitude；Mobile network area information where terminal include with Track area mark, Routing Area Identifier or Location Area Identification.
Area code acquiring unit 504, for the area code according to corresponding to the positional information of terminal acquisition terminal.
Wherein, area code acquiring unit 504, for sending the positional information of terminal to location server, so that position takes The positional information and the corresponding relation of area code that business device stores according to the place information inquiry of terminal, obtain area corresponding to terminal Code, and area code corresponding to the terminal of receiving position server return.
Call proceeding unit 506, for area code to be added in call signaling, so that follow-up network element knows area code.
The present invention also provides a kind of location server, is described with reference to Fig. 6.
Fig. 6 is the structure chart of one embodiment of location server of the present invention.As shown in fig. 6, location server 60 includes：
Information receiving unit 602, the positional information of the terminal for receiving session control device transmission.
Area code query unit 604, for the positional information that is stored according to the place information inquiry of terminal and area code Corresponding relation, obtain area code corresponding to terminal.
Wherein, area code query unit 604, for including in the positional information of terminal the geographical location information of terminal In the case of, judge the geographical coverage area where the geographical position of terminal, and inquire about corresponding to the geographical coverage area of storage Area code, obtain the corresponding area code of terminal；Or the mobile web area where the positional information of terminal includes terminal In the case of information, inquire about the movement web area of storage corresponding to area code, obtain the corresponding area code of terminal；Or In the case of the media access control address for the WAP that the positional information of terminal includes terminal connection, inquiry storage The WAP media access control address corresponding to area code, obtain the corresponding area code of terminal.
Area code query unit 604, the media of the WAP for including terminal connection in the positional information of terminal In the case of mobile network area information where accessing to control address, the geographical location information of terminal and terminal, according to terminal Geographical location information, the mobile network area information where terminal, terminal connection WAP media access control The priority of location obtains area code corresponding to terminal.
Information transmitting unit 606, for sending area code corresponding to terminal to session control device.
Further, location server 60 can also include：Regional code memory unit 605, for by geographical location information Or the corresponding relation of mobile network area information and area code is stored, the geography by area code query unit 604 according to terminal The WAP that area code corresponding to mobile network area information acquisition terminal where positional information or terminal is connected with terminal Media access control address carry out binding storage.
One of ordinary skill in the art will appreciate that hardware can be passed through by realizing all or part of step of above-described embodiment To complete, by program the hardware of correlation can also be instructed to complete, described program can be stored in a kind of computer-readable In storage medium, storage medium mentioned above can be read-only storage, disk or CD etc..
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.

Claims (14)

  1. A kind of 1. conversation controlling method, it is characterised in that including：
    The call request based on Wireless Fidelity WiFi that terminal is sent is obtained, the position of the terminal is carried in the call request Information, the positional information of the terminal include the media access control address of the WAP of terminal connection, the end At least one of in mobile network area information where the geographical location information at end and the terminal；
    The area code according to corresponding to the positional information of the terminal obtains the terminal；
    The area code is added in call signaling, so that follow-up network element knows the area code.
  2. 2. according to the method for claim 1, it is characterised in that
    The area code according to corresponding to the positional information of the terminal obtains the terminal includes：
    The positional information of the terminal is sent to location server, so that the location server is believed according to the position of the terminal The positional information of breath inquiry storage and the corresponding relation of area code, obtain area code corresponding to terminal；
    Receive area code corresponding to the terminal that the location server returns.
  3. 3. according to the method for claim 2, it is characterised in that
    The positional information and the corresponding relation of area code that the location server stores according to the place information inquiry of the terminal, Obtaining the corresponding area code of terminal includes：
    The positional information of the terminal includes the geographical location information of the terminal, then the location server judges the end Geographical coverage area where the geographical position at end, and area code corresponding to the geographical coverage area of storage is inquired about, obtain eventually The corresponding area code at end；
    Or
    The positional information of the terminal includes the mobile network area information where the terminal, then the location server inquiry Area code corresponding to the movement web area of storage, obtain the corresponding area code of terminal；
    Or
    The positional information of the terminal includes the media access control address of the WAP of the terminal connection, then described Area code corresponding to the media access control address of the WAP of location server inquiry storage, obtain the correspondence of terminal Area code.
  4. 4. according to the method for claim 2, it is characterised in that
    The positional information of the location server storage and the corresponding relation of area code are formed in the following ways：
    The location server is stored geographical location information or the corresponding relation of mobile network area information and area code；
    The location server obtains according to the mobile network area information where the geographical location information of the terminal or the terminal Obtain area code corresponding to the terminal；
    The media interviews for the WAP that area code corresponding to the terminal is connected by the location server with the terminal Control address carries out binding storage.
  5. 5. according to the method for claim 2, it is characterised in that
    The corresponding area code that the location server obtains terminal according to the positional information of the terminal includes：
    When the positional information that the terminal is carried in the call request, the positional information of the terminal connects including the terminal The media access control address of WAP, the geographical location information of the terminal and the mobile network where the terminal During area information, connect according to the mobile network area information where the geographical location information of the terminal, the terminal, the terminal The priority of the media access control address of the WAP connect obtains area code corresponding to the terminal.
  6. 6. according to the method described in claim any one of 1-5, it is characterised in that
    The geographical location information of the terminal includes longitude and latitude；
    Mobile network area information where the terminal includes tracking area identification, Routing Area Identifier or Location Area Identification.
  7. A kind of 7. session control device, it is characterised in that including：
    Call request acquiring unit, for obtaining the call request based on WiFi of terminal transmission, carried in the call request The positional information of the terminal, the positional information of the terminal include the media interviews control of the WAP of terminal connection At least one of in mobile network area information where address processed, the geographical location information of the terminal and the terminal；
    Area code acquiring unit, for the area code according to corresponding to the positional information of the terminal acquisition terminal；
    Call proceeding unit, for the area code to be added in call signaling, so that follow-up network element knows the area code.
  8. 8. device according to claim 7, it is characterised in that
    The area code acquiring unit, for sending the positional information of the terminal to location server, so that the position takes The positional information and the corresponding relation of area code that business device stores according to the place information inquiry of the terminal, are obtained corresponding to terminal Area code, and receive area code corresponding to the terminal that the location server returns.
  9. 9. device according to claim 7, it is characterised in that
    The geographical location information of the terminal includes longitude and latitude；
    Mobile network area information where the terminal includes tracking area identification, Routing Area Identifier or Location Area Identification.
  10. A kind of 10. location server, it is characterised in that including：
    Information receiving unit, the positional information of the terminal for receiving session control device transmission；
    Area code query unit, the positional information for being stored according to the place information inquiry of the terminal are corresponding with area code Relation, obtain area code corresponding to terminal；
    Information transmitting unit, for sending area code corresponding to the terminal to the session control device.
  11. 11. location server according to claim 10, it is characterised in that
    The area code query unit, for including the geographical location information of the terminal in the positional information of the terminal In the case of, judge the geographical coverage area where the geographical position of the terminal, and inquire about the geographical coverage area pair of storage The area code answered, obtain the corresponding area code of terminal；Or where the positional information of the terminal includes the terminal Mobile network area information in the case of, inquire about the movement web area of storage corresponding to area code, obtain the corresponding of terminal Area code；Or the terminal positional information include terminal connection WAP media access control In the case of address, area code corresponding to the media access control address for the WAP for inquiring about storage, terminal is obtained Corresponding area code.
  12. 12. location server according to claim 10, it is characterised in that also include：
    Regional code memory unit, for geographical location information or the corresponding relation of mobile network area information and area code to be deposited Storage, the area code query unit is believed according to the mobile web area where the geographical location information of the terminal or the terminal The media access control address for the WAP that area code corresponding to the breath acquisition terminal is connected with the terminal is tied up Fixed storage.
  13. 13. location server according to claim 10, it is characterised in that
    The area code query unit, in WAP of the positional information of the terminal including terminal connection The situation of mobile network area information where media access control address, the geographical location information of the terminal and the terminal Under, connected according to the mobile network area information where the geographical location information of the terminal, the terminal, the terminal wireless The priority of the media access control address of access point obtains area code corresponding to the terminal.
  14. A kind of 14. conversation control system, it is characterised in that including：Session control described in terminal, claim any one of 7-9 Location server described in device and claim any one of 10-13.
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