CN101132379B - Method and device for implementing prescribed call at access gateway - Google Patents
Method and device for implementing prescribed call at access gateway Download PDFInfo
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- CN101132379B CN101132379B CN200610111497XA CN200610111497A CN101132379B CN 101132379 B CN101132379 B CN 101132379B CN 200610111497X A CN200610111497X A CN 200610111497XA CN 200610111497 A CN200610111497 A CN 200610111497A CN 101132379 B CN101132379 B CN 101132379B
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- iad
- calling subscriber
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- dialing
- softswitch
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Abstract
This inventioin discloses a method for realizing preset calls in an access gateway and a device, in which, the method includes: 302, configuring thresholds of obligated media transfer resources in an access gateway, 304, examining current idle media transfer resources of the gateway when receiving dial of a calling user, if the resources are less or equal to the thresholds of the obligated media transfer resources, then step 306 is carried out or step 308 is done, 306, judging if the dial of the calling user is a preset call, if so, step 308 is done, if not, step 310 is carried out, 308, the access gateway distributes the media transfer resource to the calling user and switches on the dial, 310, the access gateway does not distribute information of the media transfer resource to the calling user and sends busy sound to it.
Description
Technical field
The present invention relates to the implementation method of booked call in the communication field, in particular for the implementation method and the device of booked call in the IAD.
Background technology
The NGN network that with the soft switch is representative is planned as main networking pattern in the communication network construction at home and abroad gradually, be continue the again technological revolution of analogue technique after digital program controlled technological revolution on the speech communication development history, promptly adopt speech communication the mode of packet data package on data network, to transmit, the development of binding data communication has promoted the development of whole communication network.
IAD is positioned at the flexible exchanging network marginal layer, provide abundant service access means at user side, network side can be linked into IP network by Ethernet, possesses the function of carrier-class speech quality, management and operation, possesses high reliability simultaneously, high availability and ease for maintenance; Support IP telephone service, adopt the voice compression technology and the modulation-demodulation technique of standard, the voice that traditional PSTN is online are packaged into the IP message then through the overcompression modulation treatment, mail to the designated destination by IP network.After the above-mentioned IP message is reached home,, recover original voice by opposite processing procedure.
IAD provides the resource of media conversion, realizes the media conversion between traditional voice and the VoIP (Voiceover IP).Usually for customer call (comprising caller and called) each time, IAD all needs to distribute corresponding media conversion resource to the user.In China, the urgent call of " 110 " equal sign representation, the urgent call of sending for the user guarantee to connect as far as possible, yet the media conversion resource of each IAD all is limited, in the network traffic rush hour, the user dials emergency telephone numbers such as " 110 " can not guarantee that IAD has idle media conversion resource to use for this urgent call.
Summary of the invention
In view of above problem, main purpose of the present invention is in IAD, a kind of implementation method and device of urgent call have been proposed, by the thresholding of media conversion resource is set, assurance has been reserved certain media conversion resource and can have been used for urgent call, IAD detects the operating position of media conversion resource simultaneously, decision is the subscriber dialing that receives is mated or to carry out number analysis according to number figure (DigitMap), even thereby guaranteed that in the network traffic rush hour, the user dials emergency telephone numbers such as " 110 " and also can put through smoothly.
In order to realize above-mentioned purpose of the present invention, according to an aspect of the present invention, provide a kind of method that is used for realizing booked call at IAD.
This method may further comprise the steps: step 302, the thresholding of configure reserved media conversion resource in described IAD; Step 304 when receiving the calling subscriber when dialling, is checked the media conversion resource of described current free time of IAD, if the media conversion resource of described current free time is less than or equals the thresholding of described reserved media tts resource, then execution in step 306, otherwise, execution in step 308; Step 306 judges whether described calling subscriber's dialing is described booked call, if described judged result is a booked call, then execution in step 308, if described judged result is not for being described booked call, then execution in step 310; Step 308, described IAD is to described calling subscriber's allocation medium tts resource and connect described dialing; Step 310, described IAD be not to the information of described calling subscriber's allocation medium tts resource and send busy tone to described calling subscriber.
In addition, in the present invention, optionally, before carrying out described step 308, described IAD carries out numbers match to described calling subscriber's dialing, and matching result is reported Softswitch.
And under the situation of the matching result that reports described Softswitch for coupling, described Softswitch sends control information to described IAD, indicates described IAD execution in step 308.
Before carrying out described step 310, the numbers match result that described IAD is provided with described calling subscriber's dialing is not for matching, and matching result is reported Softswitch.
In addition, in the present invention, optionally, several figure that described IAD issues to IAD according to Softswitch come numbers match is carried out in described calling subscriber's dialing, wherein, described several figure is used for IAD and under normal circumstances numbers match is carried out in the described subscriber dialing that receives.
According to a further aspect in the invention, provide a kind of device of in IAD, realizing booked call.This device comprises: dispensing unit is used for the thresholding in described IAD configure reserved media conversion resource; Inspection unit, be used for when receiving the calling subscriber when dialling, check the media conversion resource of described current free time of IAD, when check result is that the media conversion resource of described current free time is less than or when equaling the thresholding of described reserved media tts resource, the notice judging unit; Judging unit is used to judge whether described calling subscriber's dialing is described booked call; And control unit, be used for whether controlling described IAD to described calling subscriber's allocation medium tts resource according to described judged result.
Said method of the present invention and device can use for booked call by having reserved certain media conversion resource, thereby even guaranteed in the network traffic rush hour, the user dials predetermined (promptly) call numbers such as " 110 " and also can put through smoothly.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of flexible exchanging network;
Fig. 2 is when breathing out about user's caller in the prior art, the process chart of access gateway AG;
Fig. 3 is the method flow diagram that is used for realizing at IAD booked call according to of the present invention;
Fig. 4 be according to an embodiment of the invention when user's caller is breathed out the process chart of access gateway AG;
Fig. 5 is a schematic block diagram of realizing the device of booked call according to of the present invention in IAD.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Fig. 1 is the structural representation of flexible exchanging network.
As shown in Figure 1, the access that IAD (hereinafter to be referred as AG) 106 provides business interface to realize various customer services, and be connected to Softswitch (hereinafter to be referred as SS) 102 by IP network 104.Between AG106 and the SS102 usually by H.248 or the MGCP agreement carry out communication.
Fig. 2 is when breathing out about user's caller in the prior art, the process chart of access gateway AG 106.
Fig. 2 has just introduced main flow process roughly, and in fact the reciprocal process between SS102 and the AG106 is more more complex than what introduce, has just introduced part related to the present invention here.After AG detected calling subscriber's off-hook, execution in step 201 was to SS report user offhook message; Then, AG receives the instruction of SS, and execution in step 202 is sent dialing tone to the user; Then, AG execution in step 203 receives user's dialing, and execution in step 204, and the number figure (DigitMap) that issues according to SS carries out numbers match.DigitMap dynamically is issued to AG by SS after can being the each off-hook of AG user; Also can be that SS is issued among the AG as overall DigitMap when AG powers on registration.
After the execution in step 204, AG execution in step 205 reports SS with matching result, and execution in step 206 subsequently, according to the command assignment media conversion resource of SS, connect phone or send busy tone etc. to the user.If the numbers match result that AG reports is successfully, SS can allow AG give calling subscriber's allocation medium tts resource, increase context operations such as (Context), can carry out with the AG at called place alternately simultaneously, and behind called subscriber's off-hook, thereby called subscriber's Media Stream characteristic is informed that calling subscriber place AG connects speech channel; If the numbers match result that AG reports is for unsuccessful, then SS can allow AG send busy tone to the calling subscriber.
Fig. 3 is the method flow diagram that is used for realizing at IAD booked call according to of the present invention.As shown in Figure 3, the method according to this invention may further comprise the steps.
At first, shown in step 302, in IAD, the thresholding of configure reserved media conversion resource.
In step 304,, check the media conversion resource of current free time of IAD when receiving the calling subscriber when dialling, if the media conversion resource of current free time is less than or equals the thresholding of reserved media tts resource, then carry out following step 306, otherwise, following step 308 carried out.
In step 306, judge whether calling subscriber's dialing is booked call, if judged result is a booked call, then execution in step 308, if judged result is not for being booked call, then carry out following step 310.
In step 308, IAD is to calling subscriber's allocation medium tts resource and connect dialing.
In step 310, IAD is not to the information of calling subscriber's allocation medium tts resource and send busy tone to the calling subscriber.
Wherein, Softswitch can issue DigitMap to IAD, is used for IAD and under normal circumstances numbers match is carried out in the subscriber dialing that receives.
Fig. 4 is according to an embodiment of the invention when user's caller is breathed out, the process chart of access gateway AG 106.In the present embodiment, be that the situation of urgent call is illustrated to booked call.
According to method of the present invention, at first need thresholding to AG 106 configure reserved media conversion resources, promptly reserve what media conversion resources and be used for the urgent call processing, AG 106 can carry out different processing according to the operating position of media conversion resource like this.
When being presented in user's caller exhalation below, the handling process of AG 106.As shown in Figure 4, after AG detected calling subscriber's off-hook, execution in step 401 was to SS report user offhook message; Then, AG receives the instruction of SS, and execution in step 402 is sent dialing tone to the user; Then, AG execution in step 403, receive user's dialing, and execution in step 404, check the media conversion resource of current free time, whether the media conversion resource of judging the current free time is more than the thresholding of the reserved media tts resource that is provided with: if the media conversion resource of current free time is more than the thresholding of the reserved media tts resource that is provided with, then execution in step 407, DigitMap according to normal call carries out numbers match, and execution in step 409 then, and matching result is reported SS; If the media conversion resource of current free time is less than or the thresholding of the reserved media tts resource that equals to be provided with, then execution in step 405, and the number that receives is carried out number analysis, and execution in step 406 then, judge number that the user dials whether emergency telephone number, for example " 110 ".
If the number that the user dials is an emergency telephone number, then execution in step 407, carry out numbers match according to the DigitMap of normal call, and the result of coupling is successful usually; If the number that the user dials is not an emergency telephone number; then execution in step 408; the numbers match result is set for unsuccessful; follow execution in step 409; matching result is reported SS, like this, after SS receives the unmatched result of number; usually can allow AG send busy tone, and can not take the media conversion resource to the user.After having carried out step 409, AG execution in step 410 is according to the command assignment media conversion resource of SS, connect phone or send busy tone etc. to the user.
If the numbers match result that AG106 reports is successfully, SS102 can allow AG 106 give calling subscriber's allocation medium tts resource, increase context operations such as (Context), can carry out with the AG106 at called place alternately simultaneously, and behind called subscriber's off-hook, thereby called subscriber's Media Stream characteristic is informed that calling subscriber place AG106 connects speech channel; If the numbers match result that AG106 reports is for unsuccessful, then SS102 can allow AG106 send busy tone to the calling subscriber.
Fig. 5 is a schematic block diagram of realizing the device of booked call according to of the present invention in IAD.
As shown in Figure 5, the device 50 of booked call of realizing in IAD according to the present invention comprises dispensing unit 52, inspection unit 54, judging unit 56 and control unit 58.
Wherein, dispensing unit 52 is used for the thresholding in described IAD configure reserved media conversion resource.
Inspection unit 54 is used for when receiving the calling subscriber when dialling, check the media conversion resource of current free time of IAD, when check result is that the media conversion resource of current free time is less than or when equaling the thresholding of described reserved media tts resource, notice judging unit 56.
Judging unit 56 is used to judge whether described calling subscriber's dialing is described booked call.
Whether control unit 58 is used for according to judged result control IAD to calling subscriber's allocation medium tts resource.
In addition, control unit 58 is that the check result of booked call or inspection unit 54 is under the situation of media conversion resource more than the thresholding of described reserved media tts resource of current free time in the judged result of judging unit 56, is used to control IAD to calling subscriber's allocation medium tts resource and connect phone.
In addition, device 50 also comprises can the numbers match unit, is used for described IAD numbers match is carried out in described calling subscriber's dialing, and matching result is reported Softswitch.
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 (10)
1. a method that is used for realizing at IAD booked call is characterized in that, may further comprise the steps:
Step 302, the thresholding of configure reserved media conversion resource in described IAD;
Step 304 when receiving the calling subscriber when dialling, is checked the media conversion resource of described current free time of IAD, if the media conversion resource of described current free time is less than or equals the thresholding of described reserved media tts resource, then execution in step 306, otherwise, execution in step 308;
Step 306 judges whether described calling subscriber's dialing is described booked call, if described judged result is a booked call, then execution in step 308, if described judged result is not for being described booked call, then execution in step 310;
Step 308, described IAD is to described calling subscriber's allocation medium tts resource and connect described dialing;
Step 310, described IAD be not to the information of described calling subscriber's allocation medium tts resource and send busy tone to described calling subscriber.
2. method according to claim 1 is characterized in that, before carrying out described step 308, described IAD carries out numbers match to described calling subscriber's dialing, and matching result is reported Softswitch.
3. method according to claim 1 is characterized in that, before carrying out described step 310, the numbers match result that described IAD is provided with described calling subscriber's dialing is not for matching, and matching result is reported Softswitch.
4. method according to claim 2 is characterized in that, under the situation of the matching result that reports described Softswitch for coupling, described Softswitch sends control information to described IAD, indicates described IAD execution in step 308.
5. according to claim 2 or 3 described methods, it is characterized in that, is under the unmatched situation at the matching result that reports described Softswitch, and described Softswitch sends control information to described IAD, indicates described IAD execution in step 310.
6. according to claim 2 or 4 described methods, it is characterized in that, several figure that described IAD issues to IAD according to Softswitch come numbers match is carried out in described calling subscriber's dialing, wherein, described several figure is used for IAD and under normal circumstances numbers match is carried out in the described subscriber dialing that receives.
7. a device of realizing booked call in IAD is characterized in that, comprising:
Dispensing unit is used for the thresholding in described IAD configure reserved media conversion resource;
Inspection unit, be used for when receiving the calling subscriber when dialling, check the media conversion resource of described current free time of IAD, when check result is that the media conversion resource of described current free time is less than or when equaling the thresholding of described reserved media tts resource, the notice judging unit;
Judging unit is used to judge whether described calling subscriber's dialing is described booked call; And
Control unit is used for whether controlling described IAD to described calling subscriber's allocation medium tts resource according to described judged result.
8. device according to claim 7, it is characterized in that, described control unit is that the check result of booked call or described inspection unit is under the situation of media conversion resource more than the thresholding of described reserved media tts resource of described current free time in the judged result of described judging unit, is used to control described IAD to described calling subscriber's allocation medium tts resource and connect described dialing.
9. device according to claim 7 is characterized in that, also comprises the numbers match unit, is used for described IAD numbers match is carried out in described calling subscriber's dialing, and matching result is reported Softswitch.
10. whether device according to claim 9 is characterized in that described Softswitch sends control information to described IAD, indicate described IAD to described calling subscriber's allocation medium tts resource.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610111497XA CN101132379B (en) | 2006-08-22 | 2006-08-22 | Method and device for implementing prescribed call at access gateway |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200610111497XA CN101132379B (en) | 2006-08-22 | 2006-08-22 | Method and device for implementing prescribed call at access gateway |
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| CN101132379A CN101132379A (en) | 2008-02-27 |
| CN101132379B true CN101132379B (en) | 2010-06-23 |
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| CN200610111497XA Expired - Fee Related CN101132379B (en) | 2006-08-22 | 2006-08-22 | Method and device for implementing prescribed call at access gateway |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101404702B (en) * | 2008-11-25 | 2011-04-06 | 中兴通讯股份有限公司 | Call limitation method and apparatus |
| CN101631120A (en) * | 2009-08-20 | 2010-01-20 | 中兴通讯股份有限公司 | Application server and media resource allocation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1365203A (en) * | 2001-01-12 | 2002-08-21 | 华为技术有限公司 | Calling-on control method in CDMA communicatino system |
| CN1411181A (en) * | 2001-10-09 | 2003-04-16 | 华为技术有限公司 | User's service limiting method based on mobile station location |
| CN1516411A (en) * | 2003-01-08 | 2004-07-28 | ����������ͨѶ�ɷ�����˾�Ϻ��ڶ� | User calling load control method in IP network |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1365203A (en) * | 2001-01-12 | 2002-08-21 | 华为技术有限公司 | Calling-on control method in CDMA communicatino system |
| CN1411181A (en) * | 2001-10-09 | 2003-04-16 | 华为技术有限公司 | User's service limiting method based on mobile station location |
| CN1516411A (en) * | 2003-01-08 | 2004-07-28 | ����������ͨѶ�ɷ�����˾�Ϻ��ڶ� | User calling load control method in IP network |
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