CN101361357A - Determining a local emergency dial-string - Google Patents

Determining a local emergency dial-string Download PDF

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Publication number
CN101361357A
CN101361357A CNA2007800016879A CN200780001687A CN101361357A CN 101361357 A CN101361357 A CN 101361357A CN A2007800016879 A CNA2007800016879 A CN A2007800016879A CN 200780001687 A CN200780001687 A CN 200780001687A CN 101361357 A CN101361357 A CN 101361357A
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China
Prior art keywords
string
emergency dial
dial
end points
emergency
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CNA2007800016879A
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Chinese (zh)
Inventor
詹姆斯·M·帕克
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Cisco Technology Inc
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Cisco Technology Inc
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Abstract

Determining a local emergency dial-string includes determining location information of an endpoint in a network. The location information indicates a current location of the endpoint. An emergency dial-string is received. The emergency dial-string is determined according to the location information, and the emergency dial-string operates to contact an emergency service associated with the current location of the endpoint.

Description

Determine local emergency dial-string
Related application
The application requires the U.S. Provisional Application sequence number 60/775 in submission on February 20th, 2006,096, title is the interests according to 35U.S.C. § 119 (e) of " Learning an Emergency Dial-String of a Public SafetyAnswering Point (PSAP) ", and it is incorporated in this by reference.
Technical field
Relate generally to communication service of the present invention, and relate more specifically to determine local important emergency dial-string.
Background technology
Making the position that urgent call is based on the caller to public safety answering point (PSAP) (that is EC) changes.Be used to make the numerical character of urgent call, or dial string may be different in different countries or continent, but divide based on national boundary usually.For example, given dial string can work in whole country A, but inoperative in other local possibility.Numerical character can have the figure place of varying number, maybe can comprise different numerals.For example, the caller of the U.S. dials 911 to be connected to PSAP, the caller of European Union dials 112 to be connected to PSAP, the caller of Japan dials 119 with contact ambulance and fire department and dial 110 being used for the police, and the caller in South Africa dials 10177 to be used for ambulance and to dial 10111 to be used for fire and police unit.In some countries, special services (promptly dialling 119 to contact directly ambulance in Japan) is perhaps called out in urgent call or to multi-functional number (promptly 911 or 112).The caller who travels to country variant may not know the current interior emergency dial-string of country that is in of caller.
Summary of the invention
According to the present invention, can reduce or eliminate relevant shortcoming and the problem of prior art that is used for determining emergency dial-string according to the geographical position.
According to one embodiment of present invention, determine that local emergency dial-string comprises the positional information of determining end points in the network.The current location of positional information indication end points.Emergency dial-string is received.Emergency dial-string is determined according to positional information, and emergency dial-string is operating as the emergency services that contact is associated with the current location of end points.
Some embodiment of the present invention can provide one or more technological merits.The technological merit of an embodiment comprises to end points provides suitable numbered sequence or the dial string that can be used for the contact emergency service.Suitable dial string is to determine by the position of end points.In the whole world dial string different more than 60 kinds is arranged everywhere, the user may not know the dial string of each position.Therefore, when the user moves to diverse location, provide local emergency dial-string to notify the user.
Some embodiment of the present invention can not comprise, comprises or comprise the technological merit above all.According to the accompanying drawing that comprises here, description and claim, one or more for a person skilled in the art other technological merits are easily clearly.
Description of drawings
For understanding fully, now in conjunction with the accompanying drawings with reference to following description, wherein to the present invention and feature and advantage thereof:
Fig. 1 is the block diagram that an embodiment of the system that is used for definite local emergency dial-string is shown;
Fig. 2 is the call flow diagram that the embodiment that is used for definite local emergency dial-string is shown; With
Fig. 3 is the call flow diagram that another embodiment that is used for definite local emergency dial-string is shown.
Embodiment
Fig. 1 by with reference to the accompanying drawings can understand embodiments of the invention and advantage thereof best to Fig. 3, and same numeral is used for the same and corresponding parts of various accompanying drawings.
Fig. 1 is the block diagram that an embodiment of the system 10 that is used for definite local emergency dial-string is shown.System 10 comprises one or more end points 12 of communicating by letter with session initiation protocol (SIP) registration server 20 via network 16 and DHCP (DHCP) server 18.End points 12 and Dynamic Host Configuration Protocol server 18, SIP registration server 20 or aforesaid combined communication are to determine local emergency dial-string.In an embodiment, end points 12 request local emergency dial-strings and receive the dial string of suitable position based on end points 12.
In one embodiment, dial string can be used for the urgent help in the specific geographical position of requirement.In some positions, can there be a plurality of dial string that are used for various emergency services.For example, can there be the emergency dial-string that is used for police unit, be used for another emergency dial-string of fire department, be used for another emergency dial-string of ambulance and be used for another emergency dial-string that high mountain is rescued.
End points 12 can be determined emergency dial-string by the current location of positional information description based on end points 12.The positional information of end points 12 can be expressed as any suitable form, for example by coordinate (longitude and latitude), or the form by the city (country, state and/or economize).End points 12 can be determined its position by any suitable mode.In one embodiment, end points 12 can be known its current location by self-discovery, usually needn't with another component interaction in the system 10.For example, end points 12 can be by using global positioning system (GPS), by reading the position data in the end points 12 of manual configuration, perhaps by realizing any suitable technology, determines its position.In another embodiment, any suitable assembly that end points 12 can be from system 10, for example Dynamic Host Configuration Protocol server 18, receiving position information.
End points 12 can be determined emergency dial-string during any suitable process.End points 12 can be configured to any suitable assembly reception emergency dial-string from system 10 when starting or during the network connect hours.In one embodiment, end points 12 can be configured to during the dynamic-configuration process and sends request to Dynamic Host Configuration Protocol server 18, to determine emergency dial-string.In another embodiment, end points 12 can send request to SIP registration server 20, to serve as definite emergency dial-string between calling control purpose record time.
End points 12 can transmission and receiving digital signals, audio signal, vision signal or aforesaid any combination.Signal can transmit information, for example the information of data, audio frequency, video, multimedia, any other suitable type or aforesaid any combination.For example, end points 12 can participate in the communication based on bag, wherein by the bag transfers voice information.The form of communication can be the communication of calling, message or any suitable form.
End points 12 for example can comprise that computer, PDA(Personal Digital Assistant) or any other of wireless or cell phone, Internet Protocol (IP) phone, mobile handset, support telephony applications are suitable for the end points of communication in system 10.As an example, 12a represents the radio telephone of communicating by letter with Institute of Electrical and Electric Engineers (IEEE) 802.11 base stations 14.Any suitable assembly of the convenient communication between radio telephone and network 16 of base station 14 expressions.Another example and for example, end points 12b represents IP phone, and end points 12c expresses support for the computer of phone application.
End points 12 for example can support IP, mobile IP, session initiation protocol (SIP), Media Gateway Control Protocol, H.248, H.323, other equipment that is fit to or call out control communication protocol or aforesaid any suitable combination.End points 12 comprises hardware, software or aforesaid any suitable combination.
Network 16 expressions are based on the network of bag, other component communication in the assembly in its permission system 10 and other network, end points 12 or the system 10.Network 16 can comprise metropolitan area (MAN), Local Area Network, wide area network (WAN), any other public or private data network, this locality, zone or global communication network, for example internet, intranet, other wired or wireless communication link or aforesaid any suitable combination that is fit to.
Network 16 can comprise gateway, router, hub, switch, base station (that is access point) and can realize any suitable agreement or any other hardware or the software of communicating by letter.For example, network 16 provides support for any suitable agreement based on bag, described agreement is IP version 4 or IP version 6 for example, or any suitable call control protocol, for example SIP, MGCP, H.248, H.323, other communication protocol or aforesaid any suitable combination that is fit to.
The communications transaction that is used for end points 12 in DCHP server 18 coherent systems 10.Dynamic Host Configuration Protocol server 18 receives the request that starts communications transaction, is the new address of special time period allocated, and new address is sent to the end points 12 of the request of making together with other configuration information.
In one embodiment, end points 12 is from Dynamic Host Configuration Protocol server 18 request emergency dial-strings, and Dynamic Host Configuration Protocol server 18 is provided to end points 12 with local emergency dial-string.Dynamic Host Configuration Protocol server 18 can return emergency dial-string to be used to provide local emergency dial-string in DHCP option.Each DHCP request can or gather in independent bag in the single request.Dynamic Host Configuration Protocol server 18 comprises hardware, software or aforesaid any suitable combination, so that configuration information and the convenient communication session that is used for end points 12 to be provided to end points 12.
Any suitable sip user agent of convenient end points 12 registrations between the installation period of SIP registration server 20 expression end points 12 in system 10.SIP registration server 20 uses any suitable technology to register address, identity, position or other suitable information of end points 12.For example, the SIP registration server can receive registration messages from end points 12, any other suitable information of can the finite quantity in enrollment process using in the time with request position information, identity, from the IP address binding to the contact address (for example unified resource identifier or recording address), emergency dial-string or the end points 12 of Dynamic Host Configuration Protocol server 18.The SIP registration server can offer this information other assemblies of system 10 when being convenient to communicate by letter.SIP registration server 20 usefulness institute information requested and registration time limit respond registration message for certain.SIP registration server 20 can receive independent registration message or registration message in batch from end points 12.Because SIP registration server 20 can be positioned in the world Anywhere, so it can successfully respond from the request of end points 12 for emergency dial-string.SIP registration server 20 comprises that hardware, software or aforesaid combination are to realize enrollment process.
In an example embodiment of operation, end points 12 is connected to network 16.End points 12 is any suitable assembly from system 10, and for example Dynamic Host Configuration Protocol server 18 or SIP registration server 20 are asked local emergency dial-string.Assembly is based on the suitable dial string of the choice of location of end points 12.If end points 12 has received positional information and do not received emergency dial-string from assembly, end points 12 can be included in positional information in the registration message of another assembly, to seek local important dial string.End points 12 receives emergency dial-string and information is offered the user of end points 12 from assembly.If end points 12 moves to the reposition with different dial string, end points 12 can start another request to new dial string to any suitable assembly (for example Dynamic Host Configuration Protocol server 18 or SIP registration server 20).Perhaps, end points 12 can receive new dial string with being connected to new network 16 in response to detecting new network 16.
Can under the situation that does not depart from the scope of the invention, make modification, add or abreviation system 10.For example, end points 12 can be determined more than one emergency dial-string.If have different dial string for each emergency services supplier, end points 12 can be identified for fire brigade, police office or other emergency services supplier's who is fit to dial string.If a country has the dial-in direct expection, this may be an appropriate mode.As another example, end points 12 can comprise the service identifier that emergency dial-string is related with the emergency services supplier.By another example, end points 12 can be non-emergent ISP again, and for example operator or general information (that is, the U.S. 411) are determined dial string.And, the operation of system 10 can by more, still less or other assembly carry out.As another example, system 10 can have the positional information of end points 12 and with emergency dial-string that positional information is associated between carry out the Additional servers of mapping.The function that comprises any suitable logic executable system 10 of software, hardware, other logic or aforesaid any suitable combination.
Fig. 2 is the call flow diagram that the embodiment that is used for definite local emergency dial-string is shown.In the illustrated embodiment, end points 12 obtains emergency dial-string during the dynamic device layoutprocedure.
200, end points 12 is connected to network 16.When connecting, send DISCOVER message to Dynamic Host Configuration Protocol server 18 at message 202 end points 12.In the illustrated embodiment, DISCOVER message comprises that request to end points 12 positions, location-based emergency dial-string and any other DHCP option is with convenient layoutprocedure.End points 12 can be configured at any request of suitable time emergency dial-string, for example when being connected to new supplier or when rebuliding the DHCP lease.
204, Dynamic Host Configuration Protocol server 18 is determined suitable emergency dial-string according to the positional information of end points 12.In message 206, Dynamic Host Configuration Protocol server 18 sends to information end points 12 in OFFER message.OFFER message comprises positional information, emergency dial-string and other information requested in DISCOVER message.When end points 12 received emergency dial-string, it was presented at dial string on the end points 12 by any suitable mode.For example, emergency dial-string can be expressed as numerical character on end points 12.Because end points 12 has received emergency dial-string from Dynamic Host Configuration Protocol server 18, end points 12 can continue enrollment process, and needn't attempt to determine dial string again.
End points 12 is by coming the continuation process to 20 registrations of SIP registration server.In message 208, end points 12 sends REGISTER message to SIP registration server 20, and in message 210, receives 200OK from SIP registration server 20.
Can make modification for call flow diagram, add or abreviation.For example, can in call flow diagram, occur additional or message still less.Dynamic Host Configuration Protocol server 18 can comprise emergency dial-string in INFORM message or DHCP ACK.Although describe with particular order, the message in the call flow diagram can any suitable order occur continuously or concurrently.The order of message can change according to the agreement of using between network type, structure and the element.
Fig. 3 is the call flow diagram that another embodiment that is used for definite local emergency dial-string is shown.In the illustrated embodiment, end points 12 is obtaining emergency dial-string during calling out control purpose enrollment process.The SIP equipment of SIP registration server 20 to system's 10 registrations is used in end points 12 expressions.
300, end points 12 is connected to network 16.When being connected to network 16, in message 302, end points 12 sends DISCOVER message to Dynamic Host Configuration Protocol server 18.DISCOVER request request position information and other suitable information are with convenient enrollment process.In message 304, Dynamic Host Configuration Protocol server 18 usefulness OFFER response DISCOVER request.OFFER replys the response that comprises institute's solicited message.For example, OFFER replys the positional information that comprises end points 12.
In the illustrated embodiment, end points 12 is not from Dynamic Host Configuration Protocol server 18 requests or receive emergency dial-string, so end points 12 is communicated by letter with SIP registration server 20 to determine emergency dial-string.In message 306, end points 12 sends to SIP registration server 20 with REGISTER message.Provide REGISTER message to be used for registration in system 10.In the illustrated embodiment, REGISTER message comprises the positional information of the end points 12 that receives from Dynamic Host Configuration Protocol server 18 and is used for the local suitably request of emergency dial-string.REGISTER message can comprise the positional information with any suitable form, for example according to existing information data format-location object (Presence Information Data Format-Location Object, PIDF-LO) message body according to Request for Comment 4119.SIP registration server 20 can be understood this message, even it is encrypted.For example, if PIDF-LO is the form in city, SIP registration server 20 can be understood country and the state or province that end points 12 is positioned at.
308, use the positional information that receives from end points 12, SIP registration server 20 is determined suitable emergency dial-string.In the illustrated embodiment, SIP registration server 20 comprises the database that positional information is mapped to dial string.In message 310, SIP registration server 20 will comprise that the 200OK message of emergency dial-string sends to end points 12.When end points 12 had received emergency dial-string, it showed dial string by any suitable mode.For example, emergency dial-string can be expressed as numerical character on end points 12.
Can make modification for call flow diagram, add or abreviation.For example, end points 12 also can be known its geographical position by the GPS chip, knows DHCP ACK message by any other suitable technology, or aforesaid combination.Perhaps, SIP registration server 20 is known the position of end points 12, and needn't receive specific location information from end points 12.
As another example, system 10 can comprise that another server handles the mapping of positional information to the emergency dial-string that is associated with positional information.If SIP registration server 20 is by the positional information of the form reception end points 12 of coordinate, SIP registration server 20 can send to coordinate other server to handle the mapping of coordinate to dial string.
By another example, can transmit additional or message still less again.Although describe with particular order, the message in the call flow diagram can occur with any suitable order continuously or concurrently according to the rule of each related agreement.The order of message can change according to the agreement of using between network type, structure and the element.
Some embodiment of the present invention can provide one or more technological merits.The technological merit of an embodiment comprises to end points provides suitable numbered sequence, or dial string, and it can be used for the contact emergency service.Suitable dial string is to determine by the position of end points.In the whole world dial string different more than 60 kinds is arranged everywhere, the user may not know the dial string of each position.Therefore, when the user moves to diverse location, provide local emergency dial-string to notify the user.
Although in a plurality of embodiment, described the present invention, can propose countless changes, variation, change, conversion and modification for a person skilled in the art, and be intended to the present invention and comprise as falling into these changes, variation, change, conversion and the modification in the claims scope.

Claims (32)

1. method that is used for determining local emergency dial-string comprises:
Determine the positional information of end points in the network, described positional information is indicated the current location of described end points; With
Receive emergency dial-string, described emergency dial-string determines that according to described positional information described emergency dial-string is operating as the emergency services that contact is associated with the current location of described end points.
2. method according to claim 1 also comprises being connected to described network, and described connection starts determining described emergency dial-string.
3. method according to claim 1 also comprises the request of transmission to described emergency dial-string.
4. method according to claim 1 also comprises the request of transmission to described emergency dial-string, and described request comprises the positional information of described end points.
5. method according to claim 1 is determined wherein that positional information comprises to realize that the self-discovery step determines described positional information.
6. method according to claim 1 is determined wherein that positional information comprises the request to described positional information is sent to DHCP (DHCP) server.
7. method according to claim 1, the emergency services that wherein said emergency dial-string sign is associated with described emergency dial-string.
8. method according to claim 1 wherein receives described emergency dial-string and comprises that selected one receives described emergency dial-string from Dynamic Host Configuration Protocol server and registration server.
9. method according to claim 1 wherein receives described emergency dial-string and comprises that reception is from the described emergency dial-string in the dhcp response of Dynamic Host Configuration Protocol server.
10. method according to claim 1 wherein receives described emergency dial-string and comprises that reception is from the described emergency dial-string in session initiation protocol (SIP) response of registration server.
11. method according to claim 1 wherein receives described emergency dial-string and comprises:
Reception is used for first emergency dial-string of first emergency services; With
Reception is used for second emergency dial-string of second emergency services.
12. a logic that is used for determining local emergency dial-string that is embodied in the computer-readable medium, described logic is operable as:
Determine the positional information of end points in the network, described positional information is indicated the current location of described end points; With
Receive emergency dial-string, described emergency dial-string determines that according to described positional information described emergency dial-string is operating as the emergency services that contact is associated with the current location of described end points.
13. according to the logic of claim 12, also be operable as and be connected to described network, described connection starts determining described emergency dial-string.
14., also be operable as the request of transmission to described emergency dial-string according to the logic of claim 12.
15. according to the logic of claim 12, also be operable as the request of transmission to described emergency dial-string, described request comprises the positional information of described end points.
16., determine wherein that positional information comprises to realize that the self-discovery step determines described positional information according to the logic of claim 12.
17., determine wherein that positional information comprises the request to described positional information is sent to DHCP (DHCP) server according to the logic of claim 12.
18. according to the logic of claim 12, the emergency services that wherein said emergency dial-string sign is associated with described emergency dial-string.
19., wherein receive described emergency dial-string and comprise that selected one receives described emergency dial-string from Dynamic Host Configuration Protocol server and registration server according to the logic of claim 12.
20., wherein receive described emergency dial-string and comprise that reception is from the described emergency dial-string in the dhcp response of Dynamic Host Configuration Protocol server according to the logic of claim 12.
21., wherein receive described emergency dial-string and comprise that reception is from the described emergency dial-string in session initiation protocol (SIP) response of registration server according to the logic of claim 12.
22., wherein receive described emergency dial-string and comprise according to the logic of claim 12:
Reception is used for first emergency dial-string of first emergency services; With
Reception is used for second emergency dial-string of second emergency services.
23. a system that is used for determining local emergency dial-string comprises:
End points is operable as:
Determine the positional information in the network, described positional information is indicated the current location of described end points; With
Receive emergency dial-string, described emergency dial-string determines that according to described positional information described emergency dial-string is operating as the emergency services that contact is associated with the current location of described end points; With
DHCP (DHCP) server is operable as the positional information that described end points is provided.
24. system according to claim 23, described end points also is operable as and is connected to described network, and described connection starts determining described emergency dial-string.
25. system according to claim 23, described end points also is operable as the request of transmission to described emergency dial-string.
26. system according to claim 23, described end points also is operable as the request of transmission to described emergency dial-string, and described request comprises the positional information of described end points.
27. system according to claim 23, described end points also is operable as realization self-discovery step and determines described positional information.
28. system according to claim 23, described Dynamic Host Configuration Protocol server also is operable as:
From the request of described end points reception to described emergency dial-string;
Determine described emergency dial-string according to described positional information; With
Described emergency dial-string is sent to described end points.
29. system according to claim 23 also comprises registration server, described registration server is operable as:
From the request of described end points reception to described emergency dial-string;
Determine described emergency dial-string according to described positional information; With
Described emergency dial-string is sent to described end points.
30. system according to claim 29, described registration server also is operable as:
Described positional information is sent to external server; With
Receive described emergency dial-string according to described positional information from described external server.
31. system according to claim 23, described end points also is operable as:
Reception is used for first emergency dial-string of first emergency services; With
Reception is used for second emergency dial-string of second emergency services.
32. a system that is used for determining local emergency dial-string comprises:
Be used for the device of the positional information of definite network end points, described positional information is indicated the current location of described end points; With
Be used to receive the device of emergency dial-string, described emergency dial-string determines that according to described positional information described emergency dial-string is operating as the emergency services that contact is associated with the current location of described end points.
CNA2007800016879A 2006-02-20 2007-02-06 Determining a local emergency dial-string Pending CN101361357A (en)

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US77509606P 2006-02-20 2006-02-20
US60/775,096 2006-02-20
US11/627,565 2007-01-26

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612828A (en) * 2010-10-11 2012-07-25 西门子企业通讯有限责任两合公司 Method for communication of a subscriber device with a service and component in a network
CN103458130A (en) * 2012-05-28 2013-12-18 中兴通讯股份有限公司 Calling method, calling system, calling terminal, dialing sequence server and mapping server
CN105684408A (en) * 2013-10-28 2016-06-15 微软技术许可有限责任公司 Policies for selecting sources for resource strings
CN108616805A (en) * 2016-12-08 2018-10-02 中国移动通信有限公司研究院 A kind of configuration of emergency numbers, acquisition methods and device

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102612828A (en) * 2010-10-11 2012-07-25 西门子企业通讯有限责任两合公司 Method for communication of a subscriber device with a service and component in a network
CN102612828B (en) * 2010-10-11 2015-07-08 西门子企业通讯有限责任两合公司 Method for communication of a subscriber device with a service and component in a network
CN103458130A (en) * 2012-05-28 2013-12-18 中兴通讯股份有限公司 Calling method, calling system, calling terminal, dialing sequence server and mapping server
CN103458130B (en) * 2012-05-28 2018-11-06 南京中兴新软件有限责任公司 Method of calling, system, terminal, dial train server and mapping server
CN105684408A (en) * 2013-10-28 2016-06-15 微软技术许可有限责任公司 Policies for selecting sources for resource strings
CN108616805A (en) * 2016-12-08 2018-10-02 中国移动通信有限公司研究院 A kind of configuration of emergency numbers, acquisition methods and device
US10897791B2 (en) 2016-12-08 2021-01-19 China Mobile Communication Ltd., Research Institute Methods and devices for configuring and acquiring emergency number

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Application publication date: 20090204