CN101299732B - Circuit batch auditing method, medium gateway and medium gateway controller - Google Patents
Circuit batch auditing method, medium gateway and medium gateway controller Download PDFInfo
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- CN101299732B CN101299732B CN2007101015714A CN200710101571A CN101299732B CN 101299732 B CN101299732 B CN 101299732B CN 2007101015714 A CN2007101015714 A CN 2007101015714A CN 200710101571 A CN200710101571 A CN 200710101571A CN 101299732 B CN101299732 B CN 101299732B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000012550 audit Methods 0.000 claims abstract description 148
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000006837 decompression Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000011664 signaling Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention relates to the communication technical field, discloses a circuit batch audit method, including: generating the audit request information and transmitting the audit request information to the media gateway, wherein the information is carried with a plurality of bearing endpoint identification; after the media gateway receives and resolves the audit request information, performing the state check on the marked bearing endpoint in the audit request information; returning the audit response information by the media gateway after completing the state check on the bearing endpoint, wherein the audit response information is carried with the state information of the bearing endpoint after the audit. The invention also discloses the corresponding media gateway and the media gateway controller. The embodiment of the invention reduces the number of the audit information and advances the real-time of the circuit audit.
Description
Technical field
The present invention relates to communication technical field, relate in particular to circuit batch auditing method, media gateway and Media Gateway Controller.
Background technology
Along with development of telecom technology, carrying and control are separated into the inexorable trend of communication network development, and carrying separates main finger and finishes the function of carrying by media gateway (Medium Gateway is called for short MGW) with control, finished by soft switch and call out control.Wherein the logical gate of control media gateway is called Media Gateway Controller (Medium Gateway Controller is called for short MGC) again in the soft switch.Because voice transfer circuit in the call flow and the carrying end on the MGW are one to one, so MGC need finish controlled function such as last foundation of carrying of MGW and release.Media Gateway Controller has different addresses in different communication systems, as being MSC SERVER in WCDMA communication, be MSCe in CDMA, is SoftSwitch or Media Gateway Controller in fixed network communication.
The time of day that can correctly know the last carrying end of MGW is the prerequisite that MGC controls last foundation of carrying of MGW and release etc., when only the state of the carrying end that guaranteed MGC understood is consistent with the time of day of the last carrying end of MGW, could realize the correct foundation of calling out.On the other hand, because the network architecture that MGC and MGW are separated, making the logic state that records carrying end among the MGC, then is the virtual condition of carrying end among the MGW, and both separation then inevitably can produce logic state and the inconsistent situation of virtual condition between the two; For guaranteeing the unanimity of both states, H.248 agreement has been stipulated the mechanism of circuit audit, and present regulation is: MGC sends audit request (Audit Request) message of carrying the carrying end sign that needs audit to MGW; MGW receives the state of checking this carrying end after the described audit request information, gives MGC with its state by audit response (AuditResponse) information reporting; MGC receives that the state to this carrying end upgrades behind this response message, thus reach with MGW in virtual condition consistent.
According to the present H.248 regulation of agreement, the information (promptly can only corresponding circuit) that can only carry a carrying end in the message an audit, and the integrated level of Telecommunication network equipment is more and more higher at present, capacity is increasing, can only carry the mode of a circuit information according to this a piece of news, whole circuit are audited and need a large amount of audit message just can be finished, can't accomplish timely audit like this to circuit, cause long period MGW and MGC to go up the inconsistent of carrying end state easily, and a large amount of audit message can cause greater impact to MGC and MGW, cause MGC and MGW to handle other professional ability drop easily, and bring bigger burden for the link between MGC and the MGW.
Summary of the invention
The technical problem that embodiments of the invention will solve provides circuit batch auditing method, media gateway, Media Gateway Controller and communication system, can reduce the quantity of audit message, improves the real-time of circuit audit.
For solving the problems of the technologies described above, embodiments of the invention provide following technical scheme:
A kind of circuit batch auditing method comprises:
Generate audit request information and send described audit request information, carry a plurality of carrying end signs by the endpoint groups parameter in this message to media gateway;
After media gateway receives and resolves described audit request information, the carrying end that identifies in the described audit request information is carried out status checkout;
After finishing the status checkout to described carrying end, media gateway is returned the audit response message, and described audit response message carries the state information of audit back carrying end.
A kind of Media Gateway Controller is used for calling out control and signaling process, comprising:
The audit request information generation unit is used to generate the audit request information of carrying a plurality of carrying end signs by the endpoint groups parameter;
Transmitting element is used for sending described audit request information to media gateway;
Receiving element is used to receive the audit response message that described media gateway is returned, and carries the state information of audit back carrying end in the described audit response message.
A kind of media gateway is used for media format conversion and media bearer, comprising:
Receiving element is used to receive the audit request information from Media Gateway Controller, carries a plurality of carrying end signs by the endpoint groups parameter in this message;
Inspection unit, the current state of the carrying end that is used for checking that described audit request information identifies;
Audit response message generation unit is used to generate the audit response message of the state information that carries audit back carrying end;
Transmitting element is used for sending described audit response message to described Media Gateway Controller.
As can be seen from the above technical solutions, embodiments of the invention are by carrying a plurality of carrying end signs in audit request information, realized the information of carrying a plurality of carrying ends in the audit message, compare with the information that audit message in the prior art can only be carried a carrying end, can reduce the quantity of audit message, thereby finish the audit of a large amount of carrying ends at short notice fast, improve the real-time of circuit audit, reduce because MGW and MGC go up the inconsistent call failure that causes of carrying end state or unusually, reduce the consumption of circuit audit simultaneously, promote MGC and MGW and handle other professional abilities system resource.
Description of drawings
Fig. 1 is the flow chart of the embodiment of the invention one circuit batch auditing method;
Fig. 2 is the structure chart of the embodiment of the invention two Media Gateway Controllers;
Fig. 3 is the structure chart of the embodiment of the invention three media gateway.
Embodiment
Embodiments of the invention mainly increase the parameter of the relevant information of a plurality of carrying ends of expression in audit message (comprise audit request information and audit response message), thereby realize by the message of auditing a plurality of carrying ends of auditing.Preferred embodiment to circuit batch auditing method of the present invention, media gateway, Media Gateway Controller and communication system is described in detail below.
Embodiment one, a kind of circuit batch auditing method with reference to figure 1, comprise following flow process:
A1, MGC generate audit request information, carry the sign of a plurality of carrying ends of waiting to audit in this message by endpoint groups (Termination Group) parameter;
For ease of the understanding and the narration of back, provide a kind of concrete regulation below to described Termination Group parameter:
Termination Group parameter can comprise following all or part of field:
Termination Group Element Identifier field: being used to indicate this parameter is the endpoint groups parameter, to distinguish mutually with audit other parameters in the message;
Length field: be used to indicate the byte number after this field;
All Termination field: be used to indicate whether all carrying ends on the needs audit MGW, be set to 1 o'clock all carrying end of representing to audit, be set to represent need not audit all carrying ends at 0 o'clock; If be set to 1, can be not with the field of back;
First Termination field: the initial carrying end that is used to indicate this audit;
Count field: the carrying end number (representing this number with N for convenience of description) that is used to indicate this audit;
Because the sign of carrying end is continuous numerical value among the MGW, therefore promptly can represent N carrying end beginning from the carrying end of First Termination field indication by First Termination field and Count field;
Inclusive field: be used to indicate whether that needs audits by First Termination field and all indicated carrying ends of Count field, is set to 1 o'clock all carrying end of representing to audit, be set to represent not need to audit all carrying ends at 0 o'clock; If be set to 1, can be not with the field of back;
Termination Group id field: comprise N bit, respectively with corresponding by each carrying end of First Termination field and the indication of Count field, each bit is used to indicate whether that the carrying end to corresponding with it audits, be set to represent this end points is audited in 1 o'clock, be set to 0 o'clock this end points of representing not audit;
Termination Group Compression the type field: the compress mode that is used for indicating information bit that the Termination group id field is carried to compress;
MGC can be provided with according to the actual needs of circuit audit each field to above-mentioned Termination Group parameter, thereby carries the sign of a plurality of carrying ends of waiting to audit in audit request information by Termination Group parameter; Can be divided into following three kinds of situations according to afore mentioned rules:
1) if desired all carrying ends on the MGW are audited, then the All Termination field of Termination Group parameter is set to 1;
2) if do not need all carrying ends on the MGW are not audited, and wherein N the continuous end points of only need auditing, then the All Termination field of Termination Group parameter is set to 0, the Inclusive field is set to 1, and First Termination field is set to the sign of the initial end points of a described N carrying end, and the Count field is set to N;
3) if only need audit to the part end points in the N on the MGW the continuous bearing end points, then the All Termination field of Termination Group parameter and Inclusive field are set to 0, the FirstTermination field is set to the sign of the initial end points of a described N carrying end, the Count field is set to N, and the bit corresponding with the carrying end of needs audit is set in the Termination Group id field is 1, and other bits are set to 0;
Can also compress the data in the Termination Group id field by the mode of appointment, and the numbering that Termination Group Compression the type field is indicated this compress mode is set;
A2, described MGC send described audit request information to MGW;
A3, described MGW resolve described audit request information, determine the carrying end a plurality of to be audited that MGC asks according to Termination Group parameter;
Can determine carrying end to be audited by the described method of following A31 to A34:
The value of A31, judgement All Termination field, if 1, determine that then carrying end to be audited is all carrying ends on the media gateway; Otherwise carry out A32;
A32, judge the value of Inclusive field, if 1, all N carrying end that the carrying end of then determining to wait to audit begins for the carrying end from the indication of FirstTermination field; Otherwise carry out A33;
The value of A33, judgement Termination Group Compression the type field, if this value representation compresses, then determine in N carrying end of First Termination field and Count field indication, all with Termination Group id field in be that the corresponding carrying end of 1 bit is carrying end to be audited; Otherwise carry out A34;
A34, according to the compress mode of Termination Group Compression the type field indication Termination Group id field is decompressed after, determine in N carrying end of First Termination field and Count field indication, all with Termination Group id field in be that the corresponding carrying end of 1 bit is carrying end to be audited;
A4, described MGW check the current state of each carrying end in the determined carrying end of waiting to audit;
A5, described MGW generate audit response message, the state information of carrying described each carrying end by Termination Group parameter in this message;
The current state of last each carrying end of MGW still can be represented by Termination Group parameter, specifically, can use each bit in the Termination Group id field of this parameter to indicate the state of the carrying end corresponding with it, for example corresponding bit just often can be set is 1 to carrying end, and it is 0 that corresponding bit can be set during the carrying end fault;
Equally, MGW also can compress the data in the Termination Group id field by the mode of appointment, and the numbering of Termination Group Compression the type field for this compress mode is set;
A6, MGW send the audit response message to described MGC;
A7, MGC upgrade according to the state of each carrying end of audit in the response message state to the corresponding carrying end that write down;
Equally, MGC judges that the compress mode that then needs to indicate according to this field earlier decompresses to Termination Group id field if the value representation of Termination Group Compression the type field compresses.
In more embodiment of the present invention, MGW also can generate the audit response message of the state information of carrying the carrying end of being checked, and send to MGC behind the carrying end of determining to wait to audit behind the state of checking wherein one or more carrying ends.
In the inventive method embodiment,, MGW when MCG returns the state information of this end points, can adopt the audit response message format of present standard if only checking behind one of them carrying end state promptly; If MGW checks after a plurality of or whole end points to be lifted, return the state information of the carrying end of being checked by an audit response message to MGW, can adopt the audit response message format of expansion.
Embodiment two, a kind of Media Gateway Controller with reference to figure 2, comprise audit request information generation unit 201, transmitting element 202, receiving element 203 and state updating unit 204:
Audit request information generation unit 201 is used to generate the audit request information of carrying a plurality of carrying end signs;
Transmitting element 202 is used for sending described audit request information to media gateway;
Receiving element 203 is used to receive the audit response message that described media gateway is returned, and carries the state information of audit back carrying end in this message;
In more embodiment of the present invention, described Media Gateway Controller can also comprise compression unit, is used for the audit request information that the audit request information generation unit generates is compressed.
In more embodiment of the present invention, described Media Gateway Controller can also comprise decompression unit, is used for the audit response message that receiving element receives is decompressed.
Embodiment three, a kind of media gateway with reference to figure 3, comprise receiving element 301, inspection unit 303, audit response message generation unit 304 and transmitting element 305:
Receiving element 301 is used to receive the audit request information from Media Gateway Controller, wherein carries a plurality of carrying end signs;
The current state of the carrying end that inspection unit 303 is used for checking that described audit request information identifies;
Audit response message generation unit 304 is used to generate the audit response message of the state information that carries audit back carrying end;
Transmitting element 305 is used for sending described audit response message to described Media Gateway Controller.
In more embodiment of the present invention, described media gateway can also comprise compression unit, is used for the audit response message that audit response message generation unit generates is compressed.
In more embodiment of the present invention, described media gateway can also comprise decompression unit, is used for the audit request information that receiving element receives is decompressed.
In sum, by in audit request information, carrying a plurality of carrying end signs, realized the information of carrying a plurality of carrying ends in the audit message, compare with the information that audit message in the prior art can only be carried a carrying end, can reduce the quantity of audit message, thereby finish the audit of a large amount of carrying ends at short notice fast, improve the real-time of circuit audit, reduce because MGW and MGC go up the inconsistent call failure that causes of carrying end state or unusually, reduce the consumption of circuit audit simultaneously, promote MGC and MGW and handle other professional abilities system resource;
In addition, by audit message is compressed, can reduce the size of audit message, thereby can reduce the data volume of communicating by letter between MGW and MGC, reduce the burden of communication link between MGW and MGC.
More than circuit batch auditing method provided by the present invention, media gateway and Media Gateway Controller are described in detail, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and thought thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (11)
1. a circuit batch auditing method is characterized in that, comprising:
Generate audit request information and send described audit request information to media gateway, carry a plurality of carrying end signs by the endpoint groups parameter in this message, wherein: described endpoint groups parameter comprises All Termination field, described All Termination field is used for all carrying ends of indication audit, or described endpoint groups parameter comprises First Termination field, and described First Termination field is used to indicate the initial carrying end of this audit;
After media gateway receives and resolves described audit request information, the carrying end that identifies in the described audit request information is carried out status checkout;
After finishing the status checkout to described carrying end, media gateway is returned the audit response message, and described audit response message carries the state information of audit back carrying end.
2. circuit batch auditing method as claimed in claim 1 is characterized in that, described audit request information, and/or described audit response message is compressed message.
3. circuit batch auditing method as claimed in claim 1 or 2 is characterized in that, described audit request information, and/or also carry the compress mode of message in the described audit response message, and compress according to described compress mode.
4. circuit batch auditing method as claimed in claim 1 or 2 is characterized in that, described media gateway is specifically carried out status checkout to the part carrying end that identifies in the described audit request information.
5. a Media Gateway Controller is used for calling out control and signaling process, it is characterized in that, comprising:
The audit request information generation unit, be used to generate audit request information, in described audit request information, carry a plurality of carrying end signs by the endpoint groups parameter, wherein: described endpoint groups parameter comprises All Termination field, described All Termination field is used for all carrying ends of indication audit, or described endpoint groups parameter comprises First Termination field, and described First Termination field is used to indicate the initial carrying end of this audit;
Transmitting element is used for sending described audit request information to media gateway;
Receiving element is used to receive the audit response message that described media gateway is returned, and carries the state information of audit back carrying end in the described audit response message.
6. Media Gateway Controller as claimed in claim 5, it is characterized in that, described Media Gateway Controller also comprises state updating unit, and the state information of carrying end is upgraded the state of the corresponding carrying end that write down after the audit that is used for receiving according to receiving element.
7. Media Gateway Controller as claimed in claim 5 is characterized in that described Media Gateway Controller also comprises compression unit, is used for the audit request information that the audit request information generation unit generates is compressed.
8. as each described Media Gateway Controller of claim 5 to 7, it is characterized in that described Media Gateway Controller also comprises decompression unit, be used for received audit response message is decompressed.
9. a media gateway is used for media format conversion and media bearer, it is characterized in that, comprising:
Receiving element, be used to receive audit request information from Media Gateway Controller, carry a plurality of carrying end signs by the endpoint groups parameter in this message, wherein: described endpoint groups parameter comprises All Termination field, described All Termination field is used for all carrying ends of indication audit, or described endpoint groups parameter comprises First Termination field, and described First Termination field is used to indicate the initial carrying end of this audit;
Inspection unit, the current state of the carrying end that is used for checking that described audit request information identifies;
Audit response message generation unit is used to generate the audit response message of the state information that carries audit back carrying end;
Transmitting element is used for sending described audit response message to described Media Gateway Controller.
10. media gateway as claimed in claim 9 is characterized in that described media gateway also comprises compression unit, is used for the audit response message that audit response message generation unit generates is compressed.
11. as claim 9 or 10 described media gateway, it is characterized in that described media gateway also comprises decompression unit, be used for received audit request information is decompressed.
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| CN2007101015714A CN101299732B (en) | 2007-04-30 | 2007-04-30 | Circuit batch auditing method, medium gateway and medium gateway controller |
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| CN2007101015714A CN101299732B (en) | 2007-04-30 | 2007-04-30 | Circuit batch auditing method, medium gateway and medium gateway controller |
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| CN101299732B true CN101299732B (en) | 2011-11-16 |
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| US9967784B2 (en) * | 2014-03-21 | 2018-05-08 | Samsung Electronics Co., Ltd. | Method and apparatus for transmitting/receiving signal in mobile communication system supporting a plurality of carriers |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509031A (en) * | 2002-12-19 | 2004-06-30 | 华为技术有限公司 | Media gateway controler and interacting method between media gateways |
| CN1545297A (en) * | 2003-11-17 | 2004-11-10 | 中兴通讯股份有限公司 | Method for synchronizing H.248 protocol user state |
| CN1874261A (en) * | 2005-11-22 | 2006-12-06 | 华为技术有限公司 | Method of obtaining state of transmission channel |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1509031A (en) * | 2002-12-19 | 2004-06-30 | 华为技术有限公司 | Media gateway controler and interacting method between media gateways |
| CN1545297A (en) * | 2003-11-17 | 2004-11-10 | 中兴通讯股份有限公司 | Method for synchronizing H.248 protocol user state |
| CN1874261A (en) * | 2005-11-22 | 2006-12-06 | 华为技术有限公司 | Method of obtaining state of transmission channel |
Non-Patent Citations (1)
| Title |
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| JP特开2002-325101A 2002.11.08 |
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