CN1997084B - An information transfer method, media gateway controller and communication system - Google Patents
An information transfer method, media gateway controller and communication system Download PDFInfo
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- CN1997084B CN1997084B CN2006101576894A CN200610157689A CN1997084B CN 1997084 B CN1997084 B CN 1997084B CN 2006101576894 A CN2006101576894 A CN 2006101576894A CN 200610157689 A CN200610157689 A CN 200610157689A CN 1997084 B CN1997084 B CN 1997084B
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Abstract
This invention discloses one information transmission method, which comprises the following steps: media network gate controller analyzes received numbers to judge whether the called number is perfect; when yes, media network gate controller sends the information to the called number to media gate. This invention uses isolation rack to get called number information according to the called number information. This invention also discloses one media network gate controller and communication system.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of information transmitting methods, Media Gateway Controller and communication system.
Background technology
The implication of end of pulsing signal I-15 is that number finishes, ITU-T (Internationaltelecommunication union-Telecommunication work task, International Telecommunications Union-telecommunications operations group) stipulated the main use scene of this signal: in international call, signal I-15 needs to send followed by last position; In semi-automatic work system, the calling of attending a banquet to the operator must stop with I-15; Can use signal I15 to represent that number finishes at home in the conversation.
Development along with the communications field, the framework that in next generation network NGN and 3G (Third Generation) Moblie 3G network, has adopted carrying and control to separate, under this framework, number resource is kept on the media gateway controller MGC, and media gateway MGW is not preserved number resource, and media gateway mainly is responsible for the transmission and the reception of number.
Figure 1 shows that example, communicate with agreement H.248 between Media Gateway Controller and the media gateway, between media gateway and Media Gateway Controller, carry out alternately as register signaling with the R2 bag.MGW2 receives DI (the Destination Number that MGW1 sends, called number) after, count figure Digitmap coupling in the A of MGW2 side at described DI, afterwards, MGW2 is reported to the DI that receives to MGC by R2 address events (r2/r2addr), MGC receives described DI, and DI is issued to the B side of MGW2 after finishing described DI analysis by the r2/r2addr signal.Because configurable Digitmap number series limited bits, and the called number figure place that receives may surpass the figure place of Digitmap number series, therefore the method by the Digitmap coupling possibly can't once collect all DI, thereby cause MGC in call, repeatedly to receive the DI that the A side of MGW2 reports, and repeatedly issue the situation existence of DI to the B of MGW2 side.In this case, after the B side of MGW2 is finished a r2/r2addr processing, have no way of learning whether MGC can continue to issue new DI and give oneself, also be that MGW2 can't know whether the called number of its reception is complete, therefore MGW2 also can't judge whether send the MGW3 of end of pulsing signal I15 to the opposite end, cause the call proceeding time lengthening, influence user experience, reduce the satisfaction of user operator.
Summary of the invention
In view of this whether complete, main purpose of the present invention is to provide a kind of information transmitting methods, Media Gateway Controller and communication system, have no way of knowing called number the problem of its reception to solve media gateway under the separation architecture.
For achieving the above object, the solution of the present invention is achieved in that
A kind of information transmitting methods, described method comprises step:
The called number that A, Media Gateway Controller analysis receive judges whether described called number is complete;
B, when described called number is complete, Media Gateway Controller sends the complete notice of called number to media gateway.
Preferably, described steps A comprises:
Media Gateway Controller judges by the number analysis table of analysis configuration whether described called number is complete.
Preferably, among the described step B, Media Gateway Controller sends end mark as the complete notice of called number to media gateway.
Preferably, described step B specifically comprises:
Media Gateway Controller sends to media gateway in real time with described called number, when described called number is complete, sends end mark separately to media gateway or end mark is carried on called number end position sends to media gateway; Perhaps,
When described called number was complete, Media Gateway Controller sent to media gateway with complete called number, and sent end mark separately to media gateway; Perhaps,
When described called number was complete, Media Gateway Controller carried end mark in complete position, called number end, and described complete called number and end mark are sent to media gateway.
Preferably, the end mark described in the step B is the optional sign that disposes by extended medium gateway and Media Gateway Controller interface.
Preferably, further may further comprise the steps behind the described step B:
After C, media gateway receive the complete notice of described called number, send end of pulsing signal to the opposite end.
Preferably, described step C is specially:
After media gateway receives the complete notice of described called number, and after sending called number, send end of pulsing signal to the opposite end.
The present invention also provides a kind of communication system, comprises Media Gateway Controller and media gateway, wherein:
Described Media Gateway Controller is analyzed the called number that receives, and is judging the complete back of called number to the complete notice of media gateway transmission called number;
Described media gateway receives described notice and knows that described called number is complete, sends end of pulsing signal to the opposite end.
Preferably, described Media Gateway Controller comprises: processing unit, transmitting element; Wherein,
Described processing unit is used to analyze the called number that receives, and judges whether described called number is complete;
Described transmitting element is used for when called number is complete, sends the complete notice of called number to media gateway.
The present invention also provides a kind of Media Gateway Controller, and described Media Gateway Controller comprises: processing unit, transmitting element; Wherein,
Described processing unit is used to analyze the called number that receives, and judges whether described called number is complete;
Described transmitting element is used for when called number is complete, sends the complete notice of called number to media gateway.
Preferably, described transmitting element is used for when called number is complete, sends end mark as the complete notice of called number to media gateway.
This shows, employing the invention enables Media Gateway Controller under the complete situation of called number, send called number complete be notified to media gateway, thereby make media gateway can know thus whether the called number of its reception is complete, and then further provide basis for estimation to the opposite end for whether media gateway sends end of pulsing signal, solved the problem that when sends end of pulsing signal under the separation architecture, improved the satisfaction of user operator.
Description of drawings
Fig. 1 is a networking schematic diagram of the prior art;
Fig. 2 is the flow chart of first embodiment of the invention;
Fig. 3 is the schematic diagram that sends address information in the first embodiment of the invention;
Fig. 4 is the system block diagram of second embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and the specific embodiments.
The first embodiment of the present invention, the method that provides a kind of information to transmit, at first difference expansion interface agreement on MGC and MGW makes MGC under the complete situation of analyzing called number, sends the complete notice of called number to MGW; Make MGW to know that described called number is complete and be correspondingly processed in view of the above according to the complete notice of called number that Media Gateway Controller sends.The execution mode that this method is concrete is as follows:
Step 101, MGC analyzes the called number DI receive and sends the described called number that receives to MGW, if described called number DI is complete, then sends the complete notice of called number to MGW;
Wherein, described called number reports MGC after can receiving the line number figure Digitmap coupling of going forward side by side by MGW, also can send to MGC by No.7 signaling or signaling link;
Particularly, MGC can judge whether described called number DI is complete by the number analysis table of analysis configuration;
Particularly, MGC sends end mark to MGW, and (described end mark can be an optional sign, as long as this symbol does not conflict with the application of existing network, and can realize, such as " # " by the interface of extended medium gateway and Media Gateway Controller) as the complete notice of called number;
Particularly, MGC comprises following several to opportunity and the mode that MGW sends end mark:
MGC sends to MGW in real time with described called number, when described called number is complete, send separately end mark to MGW or end mark is carried on position, called number end sends to MGW, wherein, " end mark being carried on called number end position sending to MGW " specifically can be as following situation: suppose, MGC receives 8 called number, divide 4 times, 2 of each receptions, after each MGC analyzes the 2 item sign indicating numbers that receive, described number is issued MGW, know that described called number is complete if MGC analyzes, then when issuing 2 called numbers, add end mark in position, described called number end; Perhaps
When described called number was complete, MGC sent to MGW with complete called number, and sent end mark separately to media gateway; Perhaps,
When described called number was complete, MGC carried end mark in complete position, called number end, and described complete called number and end mark are sent to MGW.
Step 102, MGW receives the complete notice of called number that MGC sends, and knows that described called number finishes, and then after opposite end MGW sends called number DI, sends end of pulsing signal I-15 to opposite end MGW, finishes to show that described DI sends.
Below, in conjunction with above-mentioned flow process and concrete calling procedure, being described in the call Calling Side MGC (MGC1) collects called number complete and adds end mark " # " idiographic flow afterwards, (what wherein, carry in " S " expression " [] " thereafter in the message of Fig. 2 is signal as shown in Figure 2; What " E " then represented to carry in " [] " thereafter is incident):
(1), Calling Side MGC1 issues Seize ACK message to Calling Side MGW2, MGW2 sends Seize ACK message to callee side MGW3, MGW3 reports the incident of taking to callee side MGC (MGC2), callee side MGC2 issues the r2 address events in view of the above and gives callee side MGW3, MGW3 returns and takies response to MGW2, and MGW2 reports the confirmation incident that takies to Calling Side MGC in view of the above;
(2), MGC1 receives described taking after the confirmation incident, sends the r2 address signal to MGW2, wherein, position, the DI of described r2 address signal end carries end mark " # ";
(3), MGW2 receives described r2 address signal, knows that position, its called number DI end carries end mark " # ", knows that promptly described called number is complete, then sends end of pulsing signal I-15 to MGW3 after sending described called number to MGW3;
Particularly, described MGW2 process from the r2 address signal to MGW3 that send can be a situation as shown in Figure 3:
MGW3 receives that MGW2 sends each called number and all returns A1 response (also can adopt other response signal, as A2); MGW2 gives an item sign indicating number again after receiving this response signal, MGW2 judges according to end mark " # " whether called number sends and finishes, if the next bit number is end mark " # ", showing then that called number has sent finishes, MGW2 sends end of pulsing signal I15 to MGW3, and notice MGW3 called number sends and finishes.
(4), MGW3 receives after the end of pulsing signal that returning response signal to MGW2 shows and receive described end of pulsing signal, and reports the r2/r2addr incident to MGC2, carries out follow-up handshaking procedure.
Particularly, the MGW3 described in the above-mentioned steps (4) can adopt signals such as A1, A2, A7, A8, A11, A12 to the response signal that MGW2 returns.
Embodiments of the invention two provide a kind of communication system, as shown in Figure 4, described communication system comprises media gateway 1 and Media Gateway Controller, wherein, Media Gateway Controller comprises processing unit, transmitting element, processing unit receives and analyzes the called number DI that receives, and judges whether described called number is complete; Under the complete situation of described called number, transmitting element sends the complete notice of called number to media gateway,
Particularly, whether complete according to the analytical table of configuration if analyzing described called number for processing unit;
Particularly, transmitting element is by sending end mark as the complete notice of called number to media gateway 1.Wherein, end mark can be an any character, as long as this character do not conflict with the application of existing network, and Media Gateway Controller can discern this character, and handles accordingly in view of the above;
Particularly, transmitting element can be collected called number DI complete and after its position, end adds end mark described complete called number and end mark sent to media gateway 1 in the lump at processing unit; Transmitting element also can be real-time the called number that the called number after the processing unit processes or end position is carried end mark send to media gateway 1; Transmitting element can also issue end mark separately and give media gateway 1 after described called number transmission finish.
Called number and end mark that media gateway 1 receiving media gateway controller sends, know that described called number is complete, media gateway 1 sends the called number that receives to opposite end media gateway 2, and after sending, send end of pulsing signal I-15 to opposite end media gateway 2 with the notice opposite end, described called number sends and finishes.
In a word, the above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.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 (11)
1. an information transmitting methods is characterized in that, described method comprises:
The called number that A, Media Gateway Controller analysis receive judges whether described called number is complete;
B, when described called number is complete, Media Gateway Controller sends the complete notice of called number to media gateway.
2. method according to claim 1 is characterized in that, described steps A specifically comprises:
Media Gateway Controller judges by the number analysis table of analysis configuration whether described called number is complete.
3. method according to claim 1 is characterized in that, among the described step B, Media Gateway Controller sends end mark as the complete notice of called number to media gateway.
4. method according to claim 3 is characterized in that, described step B specifically comprises:
Media Gateway Controller sends to media gateway in real time with described called number, when described called number is complete, sends end mark separately to media gateway or end mark is carried on called number end position sends to media gateway; Perhaps,
When described called number was complete, Media Gateway Controller sent to media gateway with complete called number, and sent end mark separately to media gateway; Perhaps,
When described called number was complete, Media Gateway Controller carried end mark in complete position, called number end, and described complete called number and end mark are sent to media gateway.
5. method according to claim 3 is characterized in that, the end mark described in the step B is the optional sign that disposes by extended medium gateway and Media Gateway Controller interface.
6. according to each described method of claim 1 to 4, it is characterized in that, further may further comprise the steps behind the described step B:
After C, media gateway receive the complete notice of described called number, send end of pulsing signal to the opposite end.
7. method according to claim 6 is characterized in that, described step C is specially:
After media gateway receives the complete notice of described called number, and after sending called number, send end of pulsing signal to the opposite end.
8. a communication system comprises Media Gateway Controller and media gateway, it is characterized in that,
Described Media Gateway Controller is used to analyze the called number that receives, and is judging the complete back of called number to the complete notice of media gateway transmission called number;
Described media gateway is used for knowing that according to described notice described called number is complete, and sends end of pulsing signal to the opposite end.
9. communication system according to claim 8 is characterized in that, described Media Gateway Controller comprises: processing unit, transmitting element; Wherein,
Described processing unit is used to analyze the called number that receives, and judges whether described called number is complete;
Described transmitting element is used for when called number is complete, sends the complete notice of called number to media gateway.
10. a Media Gateway Controller is characterized in that, described Media Gateway Controller comprises: processing unit, transmitting element; Wherein,
Described processing unit is used to analyze the called number that receives, and judges whether described called number is complete;
Described transmitting element is used for when called number is complete, sends the complete notice of called number to media gateway.
11. Media Gateway Controller according to claim 10 is characterized in that, described transmitting element is used for when called number is complete, sends end mark as the complete notice of called number to media gateway.
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| CN103905658B (en) * | 2012-12-31 | 2017-02-08 | 中国移动通信集团辽宁有限公司 | Method and device for processing time delay in calling process, and exchange devices |
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