CN1997083B - Network system and selection method of call route - Google Patents
Network system and selection method of call route Download PDFInfo
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- CN1997083B CN1997083B CN200610132461XA CN200610132461A CN1997083B CN 1997083 B CN1997083 B CN 1997083B CN 200610132461X A CN200610132461X A CN 200610132461XA CN 200610132461 A CN200610132461 A CN 200610132461A CN 1997083 B CN1997083 B CN 1997083B
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Abstract
This invention discloses one network system, which comprises the following steps: exchange device analyzes main call user information to get at least router selection conditions of main IP address information; then exchange device inquires the exchange device or position servo memory relationship to determine call router. This invention also discloses one relative network system exchange device, position servo and the said network system call router selection method.
Description
Technical field
The present invention relates to communication technical field, in particular, the present invention relates to the calling route selection method in a kind of network system and the network system.
Background technology
Next generation network (NGN; Next Generation Network) be a kind of network of business-driven type; It adopts network architecture comprehensive, open, that merge, separates with calling control through business, calls out control and separates with service bearer; Make professional independence and network, thereby realize relatively independent business system.
Be accompanied by the NGN networks development; The configuration of the routing iinformation in the NGN network and maintenance have become the key of NGN network development; For this reason, industry has proposed the soft switch routing architecture scheme and the location server targeting scheme of stratification, and wherein the routing architecture scheme of stratification is to adopt similar traditional public switch telephone network (PSTN; Public Switched Telephone Network) routing mechanism adopts multistage route; The location server targeting scheme then is that to utilize location server be that one or one group of soft switch provide route service, when the NGN network development to fairly large, the soft switch number more for a long time, location server can provide route service relatively more efficiently.
At present; Call route selecting function more flexibly all can be provided in soft switch and location server, for example can select different routes according to different call source (like dialing number information), different calling subscriber's type (common, preferential, data, operator, test), different time sections, different called number, bearer service type etc.
But in the NGN network of soft switch control, the IP-based framework of network using, above-mentioned routing scheme adopt the calling routing mechanism of similar public switch telephone network, but can't realize IP address-based call route selecting.
Summary of the invention
The technical problem that the embodiment of the invention solves provides a kind of switching equipment, location server, network system and calling route selection method thereof, to be implemented in based on the call route selecting that realizes in the network system of IP framework based on the IP address information.
For addressing the above problem, a kind of switching equipment of the present invention comprises the calling routing processing unit, and said calling routing processing unit comprises:
Memory cell is used to store Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route;
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the said Route Selection condition query cell stores of obtaining that comprises the caller ip address information at least.
Accordingly, a kind of location server of the present invention comprises:
Memory cell is used to store Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the Route Selection condition query cell stores that comprises the caller ip address information at least.
Accordingly, a kind of switching equipment of the present invention includes the calling routing processing unit, and said calling routing processing unit comprises:
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Call out the routing inquiry unit, be used for according to the Route Selection condition that comprises the caller ip address information at least to the corresponding calling route of location server inquiry.
Accordingly, a kind of network system of the present invention comprises switching equipment, and said switching equipment comprises the calling routing processing unit, and said calling routing processing unit comprises:
Memory cell is used to store Route Selection condition that comprises caller IP address at least and the corresponding relation of calling out route;
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the said Route Selection condition query cell stores of obtaining that comprises the caller ip address information at least.
Accordingly, another kind of network system of the present invention comprises switching equipment, and said switching equipment includes the calling routing processing unit, and said network system also comprises:
Location server stores Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route, and the calling routing inquiry request of response soft switch is returned corresponding calling route;
Said calling routing processing unit comprises:
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Call out the routing inquiry unit, be used for according to the Route Selection condition that comprises the caller ip address information at least to the corresponding calling route of said location server inquiry.
Accordingly, a kind of calling route selection method of the present invention, this method comprises:
Resolve call user information to obtain the Route Selection condition that comprises the caller ip address at least;
Confirm and this corresponding calling route of obtaining of the Route Selection condition that comprises the caller ip address information at least according to the said Route Selection condition query that comprises the caller ip address information at least that obtains.
According to embodiments of the invention, storage comprises the Route Selection condition and the corresponding relation of calling out route of caller ip address information at least in switching equipment or location server; Resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least by switching equipment; Switching equipment can be confirmed corresponding calling route according to the said corresponding relation of said this switching equipment of Route Selection condition query that comprises the caller ip address information at least that obtains or location server storage then; Thereby in based on the network of IP framework, realize call route selecting based on the IP address information; Can further improve the flexibility of route, satisfy NGN route characteristics of high efficiency.
Description of drawings
Fig. 1 is the system configuration sketch map of network system first preferred embodiment of the present invention;
Fig. 2 is that the preferred embodiment of the calling routing processing unit of switching equipment in the network system shown in Figure 1 is formed sketch map;
Fig. 3 is the system configuration sketch map of network system second preferred embodiment of the present invention;
Fig. 4 is that the preferred embodiment of location server in the network system shown in Figure 3 is formed sketch map;
Fig. 5 is the first preferred embodiment schematic flow sheet of calling route selection method of the present invention;
Fig. 6 is the second preferred embodiment schematic flow sheet of calling route selection method of the present invention.
Embodiment
The present invention is elaborated with preferred embodiment below in conjunction with accompanying drawing.
With reference to figure 1, this figure is the system configuration sketch map of network system first preferred embodiment of the present invention.
The said network system of present embodiment comprises calling/called user, IAD, Tandem Gateway and switching equipment; Wherein said calling/called user can adopt the session initiation protocol (SIP of direct access switching equipment; Session Initiation Protocol) terminal also can adopt other to pass through the terminal that IAD inserts switching equipment, for example pstn telephone terminal; Perhaps insert the telephone terminal of switching equipment, repeat no more here through the PSTN switch.
Said switching equipment is as call control device; It directly influences the quality of speech quality to the selection of calling out route, and the said switching equipment of present embodiment is realized jumping the intercommunication of a plurality of PSTN switch with next through said Tandem Gateway, in addition in the present embodiment in switching equipment pre-configured and storage comprise the corresponding relation of Route Selection condition with the calling route of caller ip address information at least; Wherein, Said caller ip address information can be calling party's access gateway address information, also can be calling party's Tandem Gateway address information, can also be calling terminal device address information; Perhaps other can identify calling party's IP address information, repeat no more here.
In addition; Can also adopt the Route Selection condition and the corresponding relation of calling out route of the caller ip address information of supporting IP address wildcard in the said switching equipment; For example; The caller ip address is 10.11.xx.xx, and switching equipment can be supported with the corresponding calling route in 10.11 addresses of IP arbitrarily of taking the lead.
After switching equipment receives call user information; Switching equipment is resolved said calling user information to obtain the Route Selection condition that comprises caller IP address information at least, can confirm corresponding calling route according to the said said Route Selection condition that comprises the caller ip address information at least pre-configured and storage of Route Selection condition query of caller ip address information that comprises at least with the corresponding relation of calling out route.
Need explain; For realizing IP address-based call route selecting; The Route Selection condition of being obtained in the present embodiment comprises the caller ip address information at least; According to practical business service needs, said Route Selection condition can also comprise in addition: call source, Caller Category, call time section, called number and/or bearer service type etc., repeat no more here.
With reference to figure 2; Switching equipment described in the present embodiment is realized mainly including the calling routing processing unit based on the correlation function of the call route selecting of IP address information; For realizing IP address-based call route selecting; Calling out routing processing unit described in the present embodiment mainly includes: memory cell 101, caller ip address information acquiring unit 102 and route are confirmed unit 103, wherein
Memory cell 101, said memory cell 101 are mainly used in the Route Selection condition and the corresponding relation of calling out route that storage comprises the caller ip address information at least.
With reference to above stated specification; Route Selection condition described in the present embodiment comprises the caller ip address information at least in the specific implementation; Can also combine according to actual needs simultaneously: any of the optional Route Selection condition of call source, Caller Category, call time section, called number (or called number prefix) and bearer service type etc. or a plurality of combinations (are only given an example here; Do not limit other combinative Route Selection conditions); For example; In a preferred embodiment, said Route Selection condition is that the caller ip address information combines called number prefix information, and the Route Selection condition that said memory cell 103 storages said comprises the caller ip address information at least and the corresponding relation of calling out route are shown in table one:
Table one
| The caller ip address information | The called number prefix | Call out route |
| 10.11.12.12 | ?6540 | ?1 |
| 10.11.12.13 | ?6540 | ?2 |
| …… | ?…… | ?…… |
Wherein, the caller ip address is that 10.11.12.12 combines 6540 the corresponding route 1 of calling out of called number prefix, and the caller ip address is that 10.11.12.13 combines 6540 the corresponding route 2 of calling out of called number prefix.
Caller ip address information acquiring unit 102; Said caller ip address information acquiring unit 102 is mainly used in resolves call user information to obtain the Route Selection condition that comprises the caller ip address information at least; With reference to above stated specification, be the call route selecting of realization, when resolving call user information based on the caller ip address; At least need parse the caller ip address information; In addition, also can parse other different Route Selection conditional informations that this caller ip address information combines, repeat no more here.
Route is confirmed unit 103, and said route confirms that unit 103 is mainly according to the definite corresponding calling route of the said corresponding relation of the said Route Selection condition query memory cell of obtaining that comprises the caller ip address information at least 101 storages.
For example; Corresponding relation with aforementioned table one is an example; When the caller ip address be the calling subscriber A of 10.11.12.12 and calling subscriber B that the caller ip address is 10.11.12.13 to dial the called number prefix be 6540 called subscriber, switching equipment will select different routes (in the present embodiment switching equipment will be calling subscriber A and calling subscriber B respectively selective call route 1 with call out route 2).
In addition, same with reference to shown in Figure 2, as a kind of preferred realization, the described route of present embodiment confirms that unit 103 can comprise:
Query processing unit 1031; Said query processing unit 1031 is main according to said Route Selection condition query memory cell 101 stored relation of obtaining that comprise the caller ip address information at least, judges whether to exist the calling route of mating with the said Route Selection condition of obtaining that comprises the caller ip address information at least;
Route Selection unit 1032; Said Route Selection unit 1032 mainly when the calling route that exists with the said Route Selection condition coupling of obtaining that comprises the caller ip address at least, will with the calling route of the said Route Selection condition coupling of obtaining that comprises the caller ip address at least as the calling route of selecting.
With reference to figure 3, this figure is the system configuration sketch map of network system second preferred embodiment of the present invention.
Network system described in the present embodiment mainly comprises calling/called user, IAD, Tandem Gateway, location server and switching equipment; Identical with first embodiment; Said calling/called user can adopt the conversation beginning protocol terminal of direct access switching equipment, also can adopt other to pass through the terminal that IAD inserts switching equipment, for example pstn telephone terminal; Perhaps insert the telephone terminal of switching equipment, repeat no more here through the PSTN switch.
For realizing call route selecting based on the IP address information; In the present embodiment in location server pre-configured and Route Selection condition that storage comprises the caller ip address information at least and the corresponding relation of calling out route, with reference to above stated specification, wherein; Said caller ip address information can be calling party's access gateway address information equally; Also can be calling party's Tandem Gateway address information, perhaps also can be calling terminal device address information, in addition; Can also adopt the Route Selection condition and the corresponding relation of calling out route of the caller ip address information of supporting IP address wildcard in the location server, repeat no more here.
After switching equipment received call user information, switching equipment was resolved said calling user information to obtain the Route Selection condition that comprises the caller ip address information at least; Switching equipment is according to the calling route of the said Route Selection condition of obtaining that comprises the caller ip address information at least to said location server inquiry correspondence; Route Selection condition that comprises the caller ip address information at least that said location server is stored according to the said Route Selection condition query that comprises the caller ip address information at least in advance and the corresponding relation of calling out route are confirmed corresponding calling route, and said definite call routing information is returned to switching equipment.
Need explain; Realization is based on the call route selecting of IP address information; Identical with first embodiment, the Route Selection condition of being obtained in the present embodiment comprises the caller ip address information at least, in addition according to practical business service needs; Said Route Selection condition can also comprise: call source, Caller Category, call time section, called number and/or bearer service type etc., repeat no more here.
With reference to figure 4, this figure is the composition sketch map of the preferred embodiment of switching equipment and location server in the network system of the present invention, and wherein said location server mainly comprises: memory cell 201 is confirmed unit 202 with route, wherein
Same; With reference to above stated specification; Route Selection condition described in the present embodiment comprises the caller ip address information at least; Can also combine according to actual needs simultaneously: call source, Caller Category, call time information such as section, called number and/or bearer service type, repeat no more here.
Route is confirmed unit 202, and said route confirms that unit 202 is mainly used in the calling route of confirming correspondence according to the said corresponding relation of the Route Selection condition query memory cell that comprises the caller ip address information at least 201 storages.
In addition, same with reference to shown in Figure 4, as a kind of preferred realization, the described route of present embodiment confirms that unit 202 can comprise:
Above-mentioned location server is the main calling routing inquiry of realizing in network system; Accordingly; For including the switching equipment of calling out routing processing unit; The calling routing processing unit of switching equipment described in the present embodiment is provided with: caller ip address information acquiring unit 211 and calling routing inquiry unit 212, wherein
Caller ip address information acquiring unit 211, said caller ip address information acquiring unit are mainly used in resolves call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Call out routing inquiry unit 212, said calling routing inquiry unit 212 is mainly used in according to the said Route Selection condition that comprises the caller ip address information at least to the corresponding calling route of said location server inquiry.
Explain that below in conjunction with Fig. 1 and Fig. 5 the present invention realizes the method first preferred embodiment flow process of call route selecting, mainly may further comprise the steps:
Step s31, switching equipment resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
During practical implementation; If the calling subscriber is a sip terminal; Said caller ip address information can be thought the IP address of this sip terminal, if said calling subscriber is for inserting the PSTN terminal of switching equipment through IAD, said caller ip address information then can be the IP address of this IAD.
Step s32, switching equipment is according to the Route Selection condition that comprises the caller ip address information at least and the definite corresponding calling route of the corresponding relation of calling out route of himself storage of the said Route Selection condition query that obtains.
Explain that below in conjunction with Fig. 4 and Fig. 6 the present invention realizes the method second preferred embodiment flow process of call route selecting, mainly may further comprise the steps:
Step s41, switching equipment resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Step s42, switching equipment is with the said calling route that comprises the Route Selection condition of caller ip address information to location server inquiry correspondence at least;
Step s43, the Route Selection condition that comprises the caller ip address information at least that location server is stored according to the said Route Selection condition query that comprises the caller ip address information at least that obtains is in advance confirmed corresponding calling route with the corresponding relation of calling out route;
Step s44, location server returns to switching equipment with said definite call routing information.
To sum up, when call route selecting, only need parse the Route Selection condition that comprises the caller ip address at least of carrying in the call user information; Can inquire about according to the said Route Selection condition of obtaining that comprises the caller ip address information at least then and confirm and this corresponding calling route of obtaining of the Route Selection condition that comprises the caller ip address information at least; In addition; Maybe the calling route of this coupling is unavailable when waiting other situation with the calling route of the said Route Selection condition coupling that comprises the caller ip address at least not existing; Also can carry out call route selecting according to other method; Be the corresponding composition function unit that above-mentioned route is confirmed unit and execution Route Selection thereof, and the corresponding composition function unit of location server and execution Route Selection thereof, there is not the calling routing mode that matees with the Route Selection condition that comprises the caller ip address information at least; Can also adopt other Route Selection technology, repeat no more here.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (14)
1. a switching equipment includes the calling routing processing unit, it is characterized in that, said calling routing processing unit comprises:
Memory cell is used to store Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route;
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the said Route Selection condition query cell stores of obtaining that comprises the caller ip address information at least;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
2. switching equipment according to claim 1 is characterized in that, said route confirms that the unit comprises:
The query processing unit; According to the corresponding relation of the said Route Selection condition query cell stores of obtaining that comprises the caller ip address information at least, judge whether to exist the calling route of mating with the said Route Selection condition of obtaining that comprises the caller ip address information at least;
The Route Selection unit; When the calling route that exists with the said Route Selection condition coupling of obtaining that comprises the caller ip address information at least, will with the calling route of the said Route Selection condition coupling of obtaining that comprises the caller ip address information at least as the calling route of selecting.
3. a location server is characterized in that, comprising:
Memory cell is used to store Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the Route Selection condition query cell stores that comprises the caller ip address information at least;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
4. location server according to claim 3 is characterized in that, said route confirms that the unit comprises:
The query processing unit according to the corresponding relation of the Route Selection condition query cell stores that comprises the caller ip address information at least, judges whether to exist and the said calling route that comprises the Route Selection condition coupling of caller ip address information at least;
The Route Selection unit; When the calling route that exists with the said Route Selection condition coupling that comprises the caller ip address information at least, with the calling route of said and the Route Selection condition coupling that comprises the caller ip address information at least as the calling route of selecting.
5. a switching equipment includes the calling routing processing unit, it is characterized in that, said calling routing processing unit comprises:
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Call out the routing inquiry unit, be used for according to the Route Selection condition that comprises the caller ip address information at least to the corresponding calling route of location server inquiry;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
6. a network system includes switching equipment, and said switching equipment includes the calling routing processing unit, it is characterized in that, said calling routing processing unit comprises:
Memory cell is used to store Route Selection condition that comprises caller IP address at least and the corresponding relation of calling out route;
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Route is confirmed the unit, confirms corresponding calling route according to the said corresponding relation of the said Route Selection condition query cell stores of obtaining that comprises the caller ip address information at least;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
7. network system according to claim 6 is characterized in that, said route confirms that the unit comprises:
The query processing unit according to the corresponding relation of the Route Selection condition query cell stores that comprises the caller ip address information at least, judges whether to exist and the said calling route that comprises the Route Selection condition coupling of caller ip address information at least;
The Route Selection unit, when the calling route that exists with the Route Selection condition coupling that comprises the caller ip address information at least, with the calling route of said and the Route Selection condition coupling that comprises the caller ip address information at least as the calling route of selecting.
8. a network system includes switching equipment, and said switching equipment includes the calling routing processing unit, it is characterized in that, said network system also comprises:
Location server stores Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route, and the calling routing inquiry request of response switching equipment is returned corresponding calling route;
Said calling routing processing unit comprises:
Caller ip address information acquiring unit is used to resolve call user information to obtain the Route Selection condition that comprises the caller ip address information at least;
Call out the routing inquiry unit, be used for according to the Route Selection condition that comprises the caller ip address information at least to the corresponding calling route of said location server inquiry;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
9. network system according to claim 8 is characterized in that, said location server comprises:
Memory cell is used to store Route Selection condition that comprises the caller ip address information at least and the corresponding relation of calling out route;
Route is confirmed the unit, confirms corresponding calling route according to the said said corresponding relation of the Route Selection condition query cell stores of caller ip address information that comprises at least.
10. network system according to claim 9 is characterized in that, said route confirms that the unit comprises:
The query processing unit according to the said corresponding relation that comprises the Route Selection condition query cell stores of caller ip address information at least, judges whether to exist and the said calling route that comprises the Route Selection condition coupling of caller ip address information at least;
The Route Selection unit, when the calling route that exists with the Route Selection condition coupling that comprises the caller ip address information at least, with the calling route of said and the Route Selection condition coupling that comprises the caller ip address information at least as the calling route of selecting.
11. a calling route selection method is characterized in that, this method comprises:
Resolve call user information to obtain the Route Selection condition that comprises the caller ip address at least;
Confirm and this corresponding calling route of obtaining of the Route Selection condition that comprises the caller ip address information at least according to the said Route Selection condition query that comprises the caller ip address information at least that obtains;
Said Route Selection condition comprises the caller ip address information at least, and said Route Selection condition also comprises call source, Caller Category, call time section, called number and any of bearer service type or a plurality of combinations.
12. calling route selection method according to claim 11 is characterized in that, the corresponding calling route of the Route Selection condition that comprises the caller ip address information at least that said inquiry is confirmed with this obtains is:
Switching equipment is according to the said Route Selection condition query that comprises the caller ip address information at least that obtains Route Selection condition that comprises the caller ip address information at least of himself storing and the corresponding relation of calling out route, and then definite and this corresponding calling route of obtaining of the Route Selection condition that comprises the caller ip address information at least.
13. calling route selection method according to claim 11 is characterized in that, the corresponding calling route of the Route Selection condition that comprises the caller ip address information at least that said inquiry is confirmed with this obtains is:
Switching equipment is according to the calling route of the said Route Selection condition of obtaining that comprises the caller ip address information at least to location server inquiry correspondence;
Route Selection condition that comprises the caller ip address information at least that the location server inquiry himself is stored and the corresponding relation of calling out route, and then confirm and the said corresponding calling route of obtaining of the Route Selection condition that comprises the caller ip address information at least;
Location server returns to switching equipment with said definite call routing information.
14., it is characterized in that said caller ip address information is caller IAD IP address information or caller Tandem Gateway IP address information or calling terminal IP address of equipment information according to each described calling route selection method of claim 11-13.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610132461XA CN1997083B (en) | 2006-12-30 | 2006-12-30 | Network system and selection method of call route |
| 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 |
|---|---|---|---|
| CN200610132461XA CN1997083B (en) | 2006-12-30 | 2006-12-30 | Network system and selection method of call route |
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| Publication Number | Publication Date |
|---|---|
| CN1997083A CN1997083A (en) | 2007-07-11 |
| CN1997083B true CN1997083B (en) | 2012-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610132461XA Expired - Fee Related CN1997083B (en) | 2006-12-30 | 2006-12-30 | Network system and selection method of call route |
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Families Citing this family (5)
| 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 |
| CN102065068A (en) * | 2009-11-18 | 2011-05-18 | 中国移动通信集团公司 | Implementation method, system and equipment for emergency call |
| CN102036281A (en) * | 2010-12-31 | 2011-04-27 | 华为技术有限公司 | Method, device and system for querying routes in CS (circuit switching) domain |
| CN102984061A (en) * | 2011-09-07 | 2013-03-20 | 华为软件技术有限公司 | Calling routing policy acquiring method and server and system |
| CN105306366B (en) * | 2014-05-29 | 2019-07-05 | 中国移动通信集团公司 | Data routing method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1674613A (en) * | 2004-03-26 | 2005-09-28 | 朗迅科技公司 | Method for routing an emergency call |
| EP1617696A1 (en) * | 2004-07-13 | 2006-01-18 | Lucent Technologies Inc. | A method and apparatus for providing network support for a wireless emergency call |
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2006
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1674613A (en) * | 2004-03-26 | 2005-09-28 | 朗迅科技公司 | Method for routing an emergency call |
| EP1617696A1 (en) * | 2004-07-13 | 2006-01-18 | Lucent Technologies Inc. | A method and apparatus for providing network support for a wireless emergency call |
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| CN1997083A (en) | 2007-07-11 |
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