CN101014004B - Method and system for processing emergent calling and a softswitch - Google Patents
Method and system for processing emergent calling and a softswitch Download PDFInfo
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- CN101014004B CN101014004B CN2007100002613A CN200710000261A CN101014004B CN 101014004 B CN101014004 B CN 101014004B CN 2007100002613 A CN2007100002613 A CN 2007100002613A CN 200710000261 A CN200710000261 A CN 200710000261A CN 101014004 B CN101014004 B CN 101014004B
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Abstract
The invention provides one emergency call process method and system, which comprises the following steps: user device rambles to different place and through different IP network registering belonged flexible exchange; when user device starts call, flexible exchange gets user device IP address from called information; flexible exchange analysis indication called number and selecting emergency center; the flexible exchange connects the call to emergency center. The invention also provides one flexible exchange.
Description
Technical field
The present invention relates to the communications field, more specifically, relate to emergent call processing method and urgent call treatment system, and a kind of soft switch.
Background technology
Soft switch is based on IP (Internet Protocol, Internet protocol) network, and possesses the characteristic of cross-domain networking, if a software terminal or an IP phone are arranged, put in Shenzhen number, may arrive Shanghai owing to the reason of going on business, at this moment the network registry by Shanghai arrives soft switch, if dial emergency numbers, should be the urgent center that is routed to Shanghai, should not be routed to the urgent center in Shenzhen; Calling for a local network also has this problem, has gone to the B district such as the user in Shenzhen A district is nomadic, and urgent call at this moment need be routed to B district rather than A district.So-called nomadic, promptly the user moves to the another one region from a region; Urgent call is common for example comprises 110,119,120,122 etc.
In IMS (IP Multimedia Subsystem, the IP Multimedia System) stage is to solve above-mentioned problem by HSS (Home Subscriber Server, home subscriber server); But at present in NGN (Next Generation Net, next generation network), the also relevant solution of prior art.
Urgent center can be linked into soft switch by relaying, also can be linked into soft switch by the mode of subscribers feeder, if be linked into soft switch by the mode of subscribers feeder, being exactly the phone of local exchange, is not out, does not relate to the problem of routing, this situation is used the existing route technology, just can't continue.
Generally speaking, in IP network, particularly in the NGN network of soft switch control, the framework of network using IP, substantially all adopt similar PSTN (Public SwitchingTelecommunication Network at present, Public Switching Telecommunication Network) solution number routing mechanism can't be realized the emergency numbers route that the IP terminal is nomadic.
Therefore, people need a kind of urgent call solution, to solve the urgent call routing issue of nomadic user in the above-mentioned correlation technique.
Summary of the invention
The present invention aims to provide a kind of emergent call processing method and system and a kind of soft switch, can solve emergency user under nomadic situation, the problem of correct connecting urgent number.
According to an aspect of the present invention, provide a kind of emergent call processing method, may further comprise the steps: the nomadic soft switch that is registered to ownership place behind the strange land by the IP network in strange land of subscriber equipment; When subscriber equipment made a call, soft switch was obtained user device IP address from the message of calling out; The called number that flexible exchange analysis is called out indication is an emergency numbers, and according to the urgent center of IP address choice; And soft switch is arrived urgent center with call proceeding.
In above-mentioned emergent call processing method, the emergency numbers correspondence table is preserved in soft switch, wherein comprise called urgent prefix territory, the called number that flexible exchange analysis is called out indication may further comprise the steps: when called number during corresponding to the record in the called urgent prefix territory, judge to call out to be urgent call, called number is an emergency numbers.
In above-mentioned emergent call processing method, the emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, soft switch may further comprise the steps according to the urgent center of IP address choice: soft switch inquiry emergency numbers correspondence table, obtain the pairing urgent route prefix of IP address and emergency numbers, thereby select corresponding urgent center.
In above-mentioned emergent call processing method, the emergency numbers correspondence table is preserved in soft switch, wherein comprise called urgent prefix territory, the called number that flexible exchange analysis is called out indication may further comprise the steps: when called number does not correspond to record in the called urgent prefix territory, soft switch judges that calling out is ordinary call, and called number is common number.
In above-mentioned emergent call processing method, soft switch may further comprise the steps call proceeding to urgent center: soft switch is called out according to ordinary call number analysis location, and continues.
According to a further aspect in the invention, provide a kind of soft switchcall server, having comprised: register device is used to instruct the nomadic soft switch that is registered to ownership place behind the strange land by the IP network in strange land of subscriber equipment; Soft switch, it comprises: the IP address acquisition module, be used for when subscriber equipment makes a call, from the message of calling out, obtain user device IP address; Module is selected at urgent center, and being used to analyze the called number of calling out indication is emergency numbers, and according to the urgent center of IP address choice; And connecting module, be used for call proceeding to urgent center.
In above-mentioned soft switchcall server, the emergency numbers correspondence table is preserved in soft switch, wherein comprises called urgent prefix territory, when urgent center selects module to be used for instructing soft switch to work as called number corresponding to the record in called urgent prefix territory, judge to call out to be urgent call, called number is an emergency numbers.
In above-mentioned soft switchcall server, the emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, urgent center selects module to be used to instruct soft switch to inquire about the emergency numbers correspondence table, obtain the pairing urgent route prefix of IP address and emergency numbers, thereby select corresponding urgent center.
In above-mentioned soft switchcall server, the emergency numbers correspondence table is preserved in soft switch, wherein comprise called urgent prefix territory, urgent center selects module to be used for instructing soft switch to work as called number when not corresponding to the record in called urgent prefix territory, judge to call out to be ordinary call, called number is common number.
In above-mentioned soft switchcall server, connecting module is used to instruct soft switch to call out according to ordinary call number analysis location, and continues.
According to a further aspect in the invention, also provide a kind of soft switch, having comprised: the IP address acquisition module, be used for when subscriber equipment makes a call, from the message of calling out, obtain user device IP address; Module is selected at urgent center, and being used to analyze the called number of calling out indication is emergency numbers, and according to the urgent center of IP address choice; And connecting module, be used for call proceeding to urgent center.
As can be seen from the above description, the technical solution of the present invention can be achieved as follows technique effect:
Soft switch is by analyzing the IP address and the analyzing called number of caller, determine that caller is a nomadic user, and nomadic where arriving, and determine whether to be urgent call, and select this urgent call and nomadic address should be routed to which urgent center thus, thereby carry out the suitable operation that continues.Like this, can make the user under nomadic situation, the call emergency number can be routed to urgent center nearby, thereby the emergency that guarantees the user obtains handling.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 shows the flow chart according to the emergent call processing method of the embodiment of the invention;
Fig. 2 shows the block diagram according to the soft switchcall server of the embodiment of the invention;
Fig. 3 shows the urgent call schematic diagram according to the nomadic user of the embodiment of the invention; And
Fig. 4 shows the flow chart according to the emergent call processing method of the nomadic user of Fig. 3.
Embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
The embodiment of the invention provides a kind of emergent call processing method, as shown in Figure 1, may further comprise the steps:
Step S102, subscriber equipment nomadic behind the strange land IP network by the strange land be registered to the soft switch of ownership place (that is, this subscriber equipment belonged to before not nomadic region);
Step S104, when subscriber equipment made a call, soft switch was obtained this user device IP address from the message of calling out;
Step S106, the called number of the described calling of flexible exchange analysis is an emergency numbers, and according to the urgent center of described IP address choice; And
Step S108, soft switch is arrived urgent center with call proceeding.
In above-mentioned emergent call processing method, because user equipment (UE) IP address has been obtained in soft switch, thus can find address field under it according to the IP address, and then the current present position of finding nomadic user.Whether by analyzing called number, can also find this calling is urgent call.If the address field of subscriber equipment is not inside the address field of soft switch administration, soft switch has just known that caller is a nomadic user, and nomadic where arriving, and determine whether to be urgent call, and select this urgent call and nomadic address should be routed to which urgent center thus, thereby carry out the suitable operation that continues.
Preferred operations according to this embodiment will be described below.
The emergency numbers correspondence table is preserved in soft switch, wherein comprise called urgent prefix territory, the called number that flexible exchange analysis is called out may further comprise the steps: when called number during corresponding to the record in the called urgent prefix territory, judge to call out to be urgent call that called number is an emergency numbers.
More preferably, the emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, soft switch may further comprise the steps according to the urgent center of IP address choice: soft switch is according to IP address lookup emergency numbers correspondence table, obtain the pairing urgent route prefix of IP address and emergency numbers, thereby select corresponding urgent center.
Alternatively, the emergency numbers correspondence table is preserved in soft switch, wherein comprise called urgent prefix territory, the called number that flexible exchange analysis is called out indication may further comprise the steps: when called number does not correspond to record in the called urgent prefix territory, soft switch judges that calling out is ordinary call, and called number is common number.
Alternatively, soft switch may further comprise the steps call proceeding to urgent center: soft switch is called out according to ordinary call number analysis location, and continues.
According to embodiments of the invention, a kind of soft switchcall server 200 is provided, comprising:
Soft switch (also can be described as the soft switch device) 210, it comprises:
IP address acquisition module 204 is used for when subscriber equipment makes a call, and obtains user device IP address from the message of calling out;
Connecting module 208 is used for call proceeding to urgent center.
Alternatively, the soft switch device is preserved the emergency numbers correspondence table, wherein comprises called urgent prefix territory, and urgent center selects module 206 to be used for instructing the soft switch device when called number during corresponding to the record in called urgent prefix territory, judge to call out to be urgent call, called number is an emergency numbers.
Alternatively, the emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, urgent center selects module 206 to be used to instruct the soft switch device to inquire about the emergency numbers correspondence table, obtains the pairing urgent route prefix of IP address and emergency numbers, thereby selects corresponding urgent center.
In above-mentioned soft switchcall server, the soft switch device is preserved the emergency numbers correspondence table, wherein comprise called urgent prefix territory, urgent center selects module 206 to be used for instructing the soft switch device when the record in called number does not correspond to called urgent prefix territory, judge to call out to be ordinary call, called number is common number.
Alternatively, connecting module 208 is used to instruct the soft switch device to call out according to ordinary call number analysis location, and continues.
A kind of soft switch also is provided in embodiments of the present invention, has comprised: the IP address acquisition module, be used for when subscriber equipment makes a call, from the message of calling out, obtain user device IP address; Module is selected at urgent center, and being used to analyze the called number of calling out indication is emergency numbers, and according to the urgent center of IP address choice; And connecting module, be used for call proceeding to urgent center.
Fig. 3 shows the urgent call schematic diagram according to the nomadic user of the embodiment of the invention.As shown in the figure, urgent A district, center, by ISUP (ISDN User Part, ISDNYong Hubufen) mode of relaying is linked into soft switch, urgent B district, center, also the mode by the ISUP relaying is linked into soft switch, no matter be ISUP relaying or SIP is (SessionInitiation Protocol, conversation initialized protocol) relaying, all a relaying for soft switch, but urgent center C district inserts by user mode, by the IAD that subscribers feeder inserts, is the user an of this locality for soft switch.
The district here can be that soft switch covers, and also may be that soft switch connects by relaying;
Suppose that user A is the user in A district, it is nomadic to the C district, and the user is nomadic behind the C district, network registry by the C district arrives soft switch, at this moment need the user is dialed the urgent center that emergency numbers 110 is routed to the C district, whole routing procedure may further comprise the steps as shown in Figure 4:
Step S402, user A makes a call, and soft switch is obtained user's IP address from the message of calling out, and this is the IP address in C district;
Step S404, whether the flexible exchange analysis called number is emergency numbers, for example, the emergency numbers correspondence table is preserved in soft switch, wherein comprises called urgent prefix territory, and the called number that flexible exchange analysis is called out may further comprise the steps: when called number during corresponding to the record in the called urgent prefix territory, judge whether call out is urgent call, if judging described calling is ordinary call, execution in step S412 then, otherwise execution in step S406;
Step S412 analyzes according to the ordinary call number.
Step S406 carries out route analysis, matches the emergency numbers correspondence table;
Step S408 obtains corresponding emergency numbers;
Step S410 analyzes according to the emergency numbers (being the emergency numbers of the described correspondence of S408 step) after the translation;
Step S414, consumer positioning or relaying judge whether simultaneously according to the different urgent center of IP address choice that is provided with;
Step S416, soft switch is carried out call proceeding according to urgent central number.
The corresponding form of following emergency numbers is preserved in soft switch:
The IP address, called urgent prefix-urgent route prefix; This form is mated in soft switch when step S406 carries out route analysis, thereby selects appropriate emergency route prefix, for example:
10. 11. 12. 12 110 0755110
10. 15. 11. 13 110 020110
10. 15. 13. 13 110 2897110
10. 15. 14. 13 110 2897110
Realize that like this user dials 110 the different urgent center of prefix selection after nomadic;
Soft switch simultaneously need be supported IP address wildcard, and such as 10.11.xx.xx, this is represented with 10.11 addresses of IP arbitrarily of taking the lead.
As can be seen from the above description, the above embodiments of the present invention have realized following technique effect:
In the above embodiments of the present invention, soft switch is by analyzing the IP address and the analyzing called number of caller, determine that caller is a nomadic user, and nomadic where arriving, and determine whether to be urgent call, and select this urgent call and nomadic address should be routed to which urgent center thus, thereby carry out the suitable operation that continues.
Like this, can make the user under nomadic situation, the call emergency number can be routed to urgent center nearby, thereby the emergency that guarantees the user is in time handled.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with device, they can concentrate on the single device, perhaps be distributed on the network that multiple arrangement forms, alternatively, they can be realized with the executable program code of device, thereby, they can be stored in the storage device and carry out by device, perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.Should be understood that the variation in these concrete enforcements is conspicuous for a person skilled in the art, do not break away from spiritual protection range of the present invention.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. an emergent call processing method is characterized in that, may further comprise the steps:
The nomadic soft switch that is registered to ownership place behind the strange land by the IP network in described strange land of subscriber equipment;
When described subscriber equipment made a call, described user device IP address was obtained in described soft switch from the message of described calling;
The described calling of described flexible exchange analysis is urgent call, and according to the urgent center of described IP address choice; And
Described soft switch is arrived described urgent center with described call proceeding.
2. emergent call processing method according to claim 1, it is characterized in that, the emergency numbers correspondence table is preserved in described soft switch, wherein comprise called urgent prefix territory, the described calling of described flexible exchange analysis is that urgent call may further comprise the steps: when described called number during corresponding to the record in the described called urgent prefix territory, judge that described calling is urgent call, described called number is an emergency numbers.
3. emergent call processing method according to claim 2, it is characterized in that, described emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, described soft switch may further comprise the steps according to the urgent center of described IP address choice: described emergency numbers correspondence table is inquired about in described soft switch, obtain the pairing urgent route prefix of described IP address and described emergency numbers, thereby select corresponding urgent center.
4. emergent call processing method according to claim 1, it is characterized in that, the emergency numbers correspondence table is preserved in described soft switch, wherein comprise called urgent prefix territory, the called number of the described calling of described flexible exchange analysis indication may further comprise the steps: when described called number does not correspond to record in the described called urgent prefix territory, described soft switch judges that described calling is ordinary call, and described called number is common number.
5. a urgent call treatment system is characterized in that, comprising:
Register device is used to instruct the nomadic soft switch device that is registered to ownership place behind the strange land by the IP network in described strange land of subscriber equipment;
The soft switch device, it comprises:
The IP address acquisition module is used for when described subscriber equipment makes a call, and obtains described user device IP address from the message of described calling;
Module is selected at urgent center, and the called number that is used to analyze described calling indication is an emergency numbers, and according to the urgent center of described IP address choice; And
Connecting module is used for described call proceeding to described urgent center.
6. urgent call treatment system according to claim 5, it is characterized in that, described soft switch device is preserved the emergency numbers correspondence table, wherein comprise called urgent prefix territory, described urgent center selects module to be used for instructing described soft switch device when described called number during corresponding to the record in described called urgent prefix territory, judge that described calling is urgent call, described called number is an emergency numbers.
7. urgent call treatment system according to claim 6, it is characterized in that, described emergency numbers correspondence table also comprises IP address field and urgent route prefix territory, described urgent center selects module to be used to instruct described soft switch device to inquire about described emergency numbers correspondence table, obtain the pairing urgent route prefix of described IP address and described emergency numbers, thereby select corresponding urgent center.
8. urgent call treatment system according to claim 5, it is characterized in that, described soft switch device is preserved the emergency numbers correspondence table, wherein comprise called urgent prefix territory, described urgent center selects module to be used for instructing described soft switch device when the record in described called number does not correspond to described called urgent prefix territory, judge that described calling is ordinary call, described called number is common number.
9. a soft switch device is characterized in that, comprising:
The IP address acquisition module is used for when subscriber equipment makes a call, and obtains described user device IP address from the message of described calling;
Module is selected at urgent center, and the called number that is used to analyze described calling indication is an emergency numbers, and according to the urgent center of described IP address choice; And
Connecting module is used for described call proceeding to described urgent center.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100002613A CN101014004B (en) | 2007-01-16 | 2007-01-16 | Method and system for processing emergent calling and a softswitch |
| PCT/CN2007/071385 WO2008083602A1 (en) | 2006-12-30 | 2007-12-29 | Call route selecting method, system, device and emergency call process system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007100002613A CN101014004B (en) | 2007-01-16 | 2007-01-16 | Method and system for processing emergent calling and a softswitch |
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| CN101014004A CN101014004A (en) | 2007-08-08 |
| CN101014004B true CN101014004B (en) | 2011-08-24 |
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| CN2007100002613A Expired - Fee Related CN101014004B (en) | 2006-12-30 | 2007-01-16 | Method and system for processing emergent calling and a softswitch |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008083602A1 (en) * | 2006-12-30 | 2008-07-17 | Huawei Technologies Co., Ltd. | Call route selecting method, system, device and emergency call process system |
| CN101742454B (en) | 2008-11-26 | 2012-10-17 | 华为技术有限公司 | Management method, device and system of emergency business of mobile restricted terminal |
| CN101707548B (en) * | 2009-11-20 | 2012-04-04 | 中兴通讯股份有限公司 | Soft switch network and method for establishing call in soft switch network |
| CN109451479A (en) * | 2018-10-12 | 2019-03-08 | Oppo广东移动通信有限公司 | Emergency call realization method, electronic device and computer readable storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238892A (en) * | 1996-11-26 | 1999-12-15 | 诺基亚电信公司 | Method and system for ensuring emergency communication in wireless local loop environment |
| CN1422507A (en) * | 2000-04-10 | 2003-06-04 | 诺基亚有限公司 | Location based telephony services in mobile IP network |
| CN1728879A (en) * | 2004-07-13 | 2006-02-01 | 朗迅科技公司 | Method and apparatus for providing network support for a wireless emergency call |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1238892A (en) * | 1996-11-26 | 1999-12-15 | 诺基亚电信公司 | Method and system for ensuring emergency communication in wireless local loop environment |
| CN1422507A (en) * | 2000-04-10 | 2003-06-04 | 诺基亚有限公司 | Location based telephony services in mobile IP network |
| CN1728879A (en) * | 2004-07-13 | 2006-02-01 | 朗迅科技公司 | Method and apparatus for providing network support for a wireless emergency call |
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