CN101741639A - Method and device for realizing signaling monitoring, and signaling gateway - Google Patents
Method and device for realizing signaling monitoring, and signaling gateway Download PDFInfo
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- CN101741639A CN101741639A CN200910238692A CN200910238692A CN101741639A CN 101741639 A CN101741639 A CN 101741639A CN 200910238692 A CN200910238692 A CN 200910238692A CN 200910238692 A CN200910238692 A CN 200910238692A CN 101741639 A CN101741639 A CN 101741639A
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/22—Arrangements for supervision, monitoring or testing
- H04M3/2281—Call monitoring, e.g. for law enforcement purposes; Call tracing; Detection or prevention of malicious calls
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Abstract
The invention provides a method and a device for realizing signaling monitoring, and a signaling gateway. The method comprises the following steps that: a signaling acquiring module acquires a pulse code modulating signal which is transmitted in a signaling link to be monitored and comprises a signaling message; a signaling converting module converts the pulse code modulating signal into a real-time transmission protocol message; and a signaling output module outputs the real-time transmission protocol message to a signaling monitoring module for the signaling monitoring module to monitor. The method, the device and the signaling gateway of the invention can transmit an RTP message which comprises the signaling message to be monitored to the signaling monitoring module without adopting an expensive E1/T1 transmission line between monitored equipment and a signaling monitoring device.
Description
Technical field
The present invention relates to communication field, particularly relate to a kind of method, device and SGW of realizing monitoring signaling.
Background technology
No.7 signalling system (SS7, Signaling System#7) be a kind of in modern communication networks widely used Common channel signalling system.Common channel signalling is that voice channel is separated with signalling path, and the form with the signaling message unit on independent data link is concentrated the signaling information that transmits several, generally mostly is Signaling System Number 7 now.Pri signaling and V5 signaling also belong to common channel signalling.
Signaling System Number 7 net loaded the most call control information and the network management information of telecommunications network, be the important component part of telecommunications network.The signaling message that transmits in the Signaling System Number 7 net is monitored, and is a kind of important techniques means, by monitoring signaling, can be the operation and the maintenance of telecommunications network, and fault location and analysis provide strong support.
Present existing monitoring signaling technology is monitored by the mode that inserts at physical transport layer.Fig. 1 is that the employing physical layer of prior art inserts the principle schematic of monitoring.As Fig. 1, signaling message carries out bypass by the Circuit Switching Network at switches such as SP/STP and draws, or the method that inserts by high resistant on the distributing frame of switch draws, and the signaling message of drawing still transmits in E1/T1, and is linked in the signaling monitoring system and analyzes.Signaling message striking resemblances in signaling message that this monitoring method collects and the monitored link, it is a kind of monitoring method reliable and trusty, shortcoming is between monitored equipment and the signaling monitoring system E1/T1 transmission line to be arranged, otherwise can't monitor.
Summary of the invention
The purpose of this invention is to provide a kind of method, device and SGW of realizing monitoring signaling, when obtaining monitored signaling message, must between monitored equipment and monitoring signaling device, need to adopt the technical problem of E1/T1 transmission line with the monitoring method that solves prior art.
To achieve these goals, the invention provides a kind of method that realizes monitoring signaling, wherein, comprise the steps:
Steps A, signal collecting module obtain the pulse code modulation signal that transmits in the described monitored signaling link, comprise signaling message in the described pulse code modulation signal;
Step B, signaling transfer module is converted to live transmission protocol message with described pulse code modulation signal;
Step C, signaling output module exports described live transmission protocol message to the monitoring signaling module, monitors for described monitoring signaling module.
Preferably, described method wherein, after the described step C, also comprises:
The monitoring signaling module is reduced to pulse code modulation signal with described live transmission protocol message, and the signaling message in the described pulse code modulation signal is monitored.
Preferably, described method, wherein, described signal collecting module obtains the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
Preferably, described method, wherein, described signal collecting module comprises: the circuit connection unit, described signaling transfer module comprises: the VoIP unit, described signaling output module comprises: the IP interface unit,
Described steps A comprises: described circuit connection unit is routed to predetermined VoIP port with monitored signaling link;
Described step B comprises: described VoIP unit receives the pulse code modulation signal that transmits the described monitored signaling link from described VoIP port, described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described step C comprises: described IP interface unit connects parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports described live transmission protocol message to described monitoring signaling module.
Preferably, described method, wherein, also comprised before described circuit connection unit is routed to described VoIP port with monitored signaling link: the mode of operation of the described VoIP port of data configuration module is set to transparent transmission mode.
Preferably, described method, wherein, described circuit connection unit comprises the step that monitored signaling link is routed to predetermined VoIP port: described circuit connection unit is divided into two-way with the transmitting-receiving digital channel of described monitored signaling link, one the tunnel is routed to Signaling Processing Unit carries out signaling process, and another road is routed to described VoIP port.
Preferably, described method, wherein, continuing between described monitored signaling link and the described VoIP port is semi-permanent connection.
Preferably, described method, wherein, described RTP connects parameter and comprises: IP address, the port numbers of the local live transmission protocol message transmitting-receiving of described IP interface unit, and the IP address and the port numbers of described monitoring signaling module transmitting-receiving live transmission protocol message.
On the other hand, provide a kind of device of realizing monitoring signaling, wherein, comprising:
Signal collecting module is used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and comprises signaling message in the described pulse code modulation signal;
Signaling transfer module is used for described pulse code modulation signal is converted to live transmission protocol message;
Signaling output module is used for exporting described live transmission protocol message to the monitoring signaling module, monitors for the monitoring signaling module.
Preferably, described device wherein, also comprises:
The monitoring signaling module is used for described live transmission protocol message is reduced to pulse code modulation signal, and the signaling message in the described pulse code modulation signal is monitored.
Preferably, described device, wherein, described signal collecting module is further used for obtaining the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
Preferably, described device, wherein,
Described signal collecting module comprises:
The circuit connection unit is used for described monitored signaling link is routed to predetermined VoIP port;
Described signaling transfer module comprises:
The VoIP unit is used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, and described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described signaling output module comprises:
The IP interface unit is used for connecting parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports described live transmission protocol message to described monitoring signaling module.
Preferably, described device, wherein, described signaling output module is connected with described monitoring signaling module by the IP bearer network.
Another aspect provides a kind of SGW, wherein, comprising:
Signal collecting module is used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and comprises signaling message in the described pulse code modulation signal;
Signaling transfer module is used for described pulse code modulation signal is converted to live transmission protocol message;
Signaling output module is used for described live transmission protocol message output is monitored for the monitoring signaling device.
Preferably, described SGW, wherein, described signal collecting module is further used for obtaining the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
Preferably, described SGW, wherein,
Described signal collecting module comprises:
The circuit connection unit is used for described monitored signaling link is routed to predetermined VoIP port;
Described signaling transfer module comprises:
The VoIP unit is used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, and described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described signaling output module comprises:
The IP interface unit is used for connecting parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and with described live transmission protocol message output.
Technique effect of the present invention is:
By the pulse code modulation signal that obtains to transmit in the monitored signaling link, described pulse code modulation signal is converted to live transmission protocol message, and export live transmission protocol message to the monitoring signaling module, can monitor the signaling message of actual transmissions in the monitored signaling link, and because output is the RTP message, the RTP message transmissions that comprises monitored signaling message can be need not to the monitoring signaling module between monitored equipment and monitoring signaling device, to adopt expensive E1/T1 transmission line, as transferring to monitored device by the RTP mode.
Description of drawings
Fig. 1 is that the employing physical layer of prior art inserts the principle schematic of monitoring;
Fig. 2 is the schematic flow sheet of method of the realization monitoring signaling of the embodiment of the invention;
Fig. 3 is the structural representation of device of the realization monitoring signaling of the embodiment of the invention;
Fig. 4 carries out the principle schematic of monitoring signaling for the SGW of the embodiment of the invention.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Fig. 2 is the schematic flow sheet of method of the realization monitoring signaling of the embodiment of the invention.As Fig. 2, the monitoring signaling method of this embodiment comprises the steps:
Preferably, above-mentioned signaling output module is sent to the monitoring signaling module by the IP bearer network with above-mentioned RTP message and monitors.
Preferably, the method for the embodiment of the invention wherein, after the above-mentioned steps 203, also comprises: the monitoring signaling module is reduced to pulse code modulation signal with described RTP message, and the signaling message in the described pulse code modulation signal is monitored.Exemplarily, the monitoring signaling module parses the signaling message in the described pulse code modulation signal, and the signaling message that parses is monitored.
Exemplarily, above-mentioned signaling monitor module can be used existing signaling monitor module or device is realized.
Preferably, can be common channel signallings such as signalling system No.7, pri signaling, V5 signaling.
The said method of the embodiment of the invention, by the pulse code modulation signal that obtains to transmit in the monitored signaling link, described pulse code modulation signal is converted to live transmission protocol message, and export live transmission protocol message to the monitoring signaling module, can monitor the signaling message of actual transmissions in the monitored signaling link, and, can transfer to the monitoring signaling module by the IP bearer network and need not between monitored equipment and monitoring signaling device, to adopt expensive E1/T1 transmission line because output is the RTP message.
Preferably, the method for the embodiment of the invention, wherein, described signal collecting module obtains the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
Preferably, the method of the embodiment of the invention, wherein, described signal collecting module comprises: the circuit connection unit, described signaling transfer module comprises: VoIP unit (a VoIP unit), described signaling output module comprises: the IP interface unit, and described step 201 comprises: described circuit connection unit is routed to predetermined VoIP port with monitored signaling link; Described step 202 comprises: described VoIP unit receives the pulse code modulation signal that transmits the described monitored signaling link from described VoIP port, described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output; Described step 203 comprises: described IP interface unit connects parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports described live transmission protocol message to described monitoring signaling module.Exemplarily, continuing of monitored signaling link and VoIP port is semi-permanent connection.Exemplarily, above-mentioned RTP connects parameter and comprises: IP address, the port numbers of the local live transmission protocol message transmitting-receiving of described IP interface unit, and the IP address and the port numbers of described monitoring signaling module transmitting-receiving live transmission protocol message.
Preferably, the method of the embodiment of the invention, wherein, also comprised before described circuit connection unit is routed to described VoIP port with monitored signaling link: it is the clearmode pattern that the mode of operation of the described VoIP port of data configuration module is set to transparent transmission mode.
Preferably, the method of the embodiment of the invention, wherein, the circuit connection unit comprises the step that monitored signaling link is routed to predetermined VoIP port: the circuit connection unit is divided into two-way with the transmitting-receiving digital channel of monitored signaling link, one the tunnel is routed to Signaling Processing Unit carries out signaling process, and another road is routed to described VoIP port.Like this, the signal collecting of the embodiment of the invention and monitoring can onlinely be carried out, do not influence the transmission and the processing of actual signaling message, the embodiment of the invention is duplicated portion by the signaling message with actual transmissions and promptly can be changed to the VoIP port, and owing to be that whole PCM transmission signals is carried out the conversion of RTP message, so the physical signaling message of transmitting in the signaling message that monitors and the monitored link is identical, can guarantee the accuracy of monitoring result like this.Further, because the grouping message that adopts is ripe voip technology, standard is unified, so also is convenient to the realization of monitoring signaling device.
Fig. 3 is the structural representation of device of the realization monitoring signaling of the embodiment of the invention.As Fig. 3, the realization monitoring signaling device of this embodiment comprises: signal collecting module 301, be used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and described pulse code modulation signal comprises signaling message; Signaling transfer module 302 is used for described pulse code modulation signal is converted to live transmission protocol message; Signaling output module 303 is used for exporting described live transmission protocol message to the monitoring signaling module, monitors for the monitoring signaling module.
Preferably, signaling output module exports above-mentioned RTP message to the monitoring signaling module by the IP bearer network.
Preferably, the device of the realization monitoring signaling of this embodiment also comprises: the monitoring signaling module is used for described live transmission protocol message is reduced to pulse code modulation signal, and the signaling message in the described pulse code modulation signal is monitored.Preferably, signaling output module is connected with the monitoring signaling module by the IP bearer network.Exemplarily, the monitoring signaling module parses the signaling message in the described pulse code modulation signal, and the signaling message that parses is monitored.Exemplarily, above-mentioned signaling monitor module can be used existing signaling monitor module or device is realized.Exemplarily, the signaling monitor module comprises: the 2nd VoIP unit, be used for the RTP message that receives is handled, and be reduced to the PCM signal as the RTP message that will receive; Signaling processing module, the monitored signaling message that is used for the PCM signal that will restore parses.
Selectively, above-mentioned signal collecting module, signaling transfer module and signaling output module can be arranged in the physical entity, and above-mentioned monitoring signaling module can be arranged in another physical entity; Perhaps, above-mentioned four modules also can be arranged in the same physical entity.
Preferably, in the device of the realization monitoring signaling of this embodiment, signal collecting module further obtains the pulse code modulation signal that transmits in the described monitored signaling link by monitored signaling link being routed to predetermined VoIP port.Exemplarily, described signal collecting module comprises the circuit connection unit, and by the circuit connection unit monitored signaling link is routed to predetermined VoIP port.The circuit connection unit is divided into two-way with the transmitting-receiving digital channel of monitored signaling link, and one the tunnel is routed to Signaling Processing Unit carries out signaling process, and another road is routed to described VoIP port.
Preferably, above-mentioned signaling transfer module comprises the VoIP unit, this VoIP unit is used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output.
Preferably, signaling output module comprises the IP interface unit, this IP interface unit is used for connecting parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports live transmission protocol message to the monitoring signaling module.This IP interface unit is connected by the IP bearer network with the monitoring signaling module.
Illustrate the application of technical scheme of the present invention in the NGN network below.
In the NGN network, gateway device is divided into SGW SG, Tandem Gateway TG and access gateway AG.Wherein, SGW SG major function is to bear the transmission of Signaling System Number 7 message, and realizes the SIGTRAN stack, carries out intercommunication with Softswitch SS.In present NGN net, SGW SG has begun to replace traditional Signalling Transfer Point STP equipment in fact, realizes the SG/STP functional unification.Carrying out monitoring signaling in the NGN network, generally all is to implement to gather on SGW SG.
The SGW of the embodiment of the invention comprises: signal collecting module, be used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and described pulse code modulation signal comprises signaling message; Signaling transfer module is used for described pulse code modulation signal is converted to live transmission protocol message; Signaling output module is used for described live transmission protocol message output.Preferably, the RTP message of signaling output module output is input to SGW monitoring signaling device by the IP bearer network, carries out monitoring signaling for the monitoring signaling device.Exemplarily, this monitoring signaling device is the monitoring signaling device that is arranged on the SGW outside.
Preferably, in the SGW of the embodiment of the invention, signal collecting module further obtains the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
Preferably, in the SGW of the embodiment of the invention, described signal collecting module comprises: the circuit connection unit is used for described monitored signaling link is routed to predetermined VoIP port; Described signaling transfer module comprises: the VoIP unit, be used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output; Described signaling output module comprises: the IP interface unit, be used for connecting parameter according to predetermined RTP, receive the live transmission protocol message of described VoIP unit output, and, monitor for the monitoring signaling device with described live transmission protocol message output.
The method of for example SGW that utilizes the embodiment of the invention being carried out monitoring signaling is elaborated below.Fig. 4 carries out the principle schematic of monitoring signaling for the SGW of the embodiment of the invention.As Fig. 4, comprise in this SGW 401: circuit connection unit 402, the first Signaling Processing Units 403, VoIP unit (a VoIP unit) 404, IP interface unit 405.In this embodiment, SGW is connected by a Signaling System Number 7 link with signalling point SP or transit point STP 406, and is exemplary but be not used in as restrictedly, and the speed of this Signaling System Number 7 link is 64Kbs.SGW SG and monitoring signaling device 407 are by the interconnection of IP bearer network, and the monitoring signaling device will be monitored this signaling link.In this example, the method for utilizing the SGW of the embodiment of the invention to carry out monitoring signaling comprises the steps:
Step a is configured the signaling link that will monitor on SGW in advance, comprising: the signaling link that configuration will be monitored, configuration are used for the RTP of monitoring signaling data output is connected parameter and disposes available VoIP port;
This RTP connects parameter and comprises: the IP address and the port numbers of local RTP packet sending and receiving, the IP address and the port numbers of monitoring signaling device transmitting-receiving RTP message; Wherein, after determining this available VoIP port, further the mode of operation of this VoIP port is set to the clearmode pattern; Above-mentioned setting can realize by the data configuration module that is arranged on the SG;
Step b, on SGW SG, pass through the circuit connection unit, the transmitting-receiving digital channel of the signaling link of needs monitorings is divided into two, one the tunnel still is routed to first Signaling Processing Unit to carry out signaling process, another road is routed to the VoIP port of appointment, can will be that the PCM signal replication is a to the VoIP port like this with the pulse code modulation signal of signaling link actual transmissions; The signaling message that can guarantee follow-up monitoring like this is identical with the signaling message of actual transmissions in the monitored link;
Exemplarily, the above-mentioned signaling link finished of circuit connection unit is semi-permanent connection to continuing of VoIP port;
Exemplarily, the circuit connection unit is used to finish the E1/T1 chain time gap and continues to the circuit of VoIP unit is two-way;
Exemplarily, the processing that the signaling process that this first Signaling Processing Unit carries out is carried out signaling with the SGW of prior art, as signaling message is parsed, and the processing of being scheduled to;
Step c, the VoIP unit receives above-mentioned PCM signal by above-mentioned VoIP port, is the RTP message with the PCM conversion of signals, and the RTP message of changing out is sent to the IP interface unit;
Exemplarily, the mutual conversion between PCM signal and the RTP message can be finished in this VoIP unit;
Steps d, the IP interface unit connects parameter according to above-mentioned pre-configured RTP, and the above-mentioned RTP message that produces on SGW SG is sent to the monitoring signaling device;
Step e, the monitoring signaling device receives the RTP message by the RTP mode, and the RTP message is reduced to the PCM signal, and the signaling message in the PCM signal is parsed, so that signaling message is monitored; Exemplarily, comprise in the monitoring signaling device: the 2nd VoIP unit, the RTP message that is used for receiving is reduced to the PCM signal; Second Signaling Processing Unit is used for the signaling message of PCM signal is parsed, to finish the monitoring to signaling message.
Preferably, in the specific implementation of the embodiment of the invention, the circuit connection unit is connected by relay interface unit with signaling link.Relay interface unit has been used for relaying action.
Example ground, in the specific implementation of the embodiment of the invention, above-mentioned VoIP unit comprises that a VoIP unit and the 2nd VoIP unit can use the VoIP unit of prior art and realize.
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 improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (16)
1. a method that realizes monitoring signaling is characterized in that, comprises the steps:
Steps A, signal collecting module obtain the pulse code modulation signal that transmits in the described monitored signaling link, comprise signaling message in the described pulse code modulation signal;
Step B, signaling transfer module is converted to live transmission protocol message with described pulse code modulation signal;
Step C, signaling output module exports described live transmission protocol message to the monitoring signaling module, monitors for described monitoring signaling module.
2. method according to claim 1 is characterized in that, after the described step C, also comprises:
The monitoring signaling module is reduced to pulse code modulation signal with described live transmission protocol message, and the signaling message in the described pulse code modulation signal is monitored.
3. method according to claim 1 is characterized in that, described signal collecting module obtains the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
4. method according to claim 3 is characterized in that, described signal collecting module comprises: the circuit connection unit, and described signaling transfer module comprises: the VoIP unit, described signaling output module comprises: the IP interface unit,
Described steps A comprises: described circuit connection unit is routed to predetermined VoIP port with monitored signaling link;
Described step B comprises: described VoIP unit receives the pulse code modulation signal that transmits the described monitored signaling link from described VoIP port, described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described step C comprises: described IP interface unit connects parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports described live transmission protocol message to described monitoring signaling module.
5. method according to claim 4 is characterized in that, also comprised before described circuit connection unit is routed to described VoIP port with monitored signaling link: the mode of operation of the described VoIP port of data configuration module is set to transparent transmission mode.
6. method according to claim 4, it is characterized in that, described circuit connection unit comprises the step that monitored signaling link is routed to predetermined VoIP port: described circuit connection unit is divided into two-way with the transmitting-receiving digital channel of described monitored signaling link, one the tunnel is routed to Signaling Processing Unit carries out signaling process, and another road is routed to described VoIP port.
7. according to claim 3 or 4 described methods, it is characterized in that continuing between described monitored signaling link and the described VoIP port is semi-permanent connection.
8. method according to claim 4, it is characterized in that, described RTP connects parameter and comprises: IP address, the port numbers of the local live transmission protocol message transmitting-receiving of described IP interface unit, and the IP address and the port numbers of described monitoring signaling module transmitting-receiving live transmission protocol message.
9. a device of realizing monitoring signaling is characterized in that, comprising:
Signal collecting module is used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and comprises signaling message in the described pulse code modulation signal;
Signaling transfer module is used for described pulse code modulation signal is converted to live transmission protocol message;
Signaling output module is used for exporting described live transmission protocol message to the monitoring signaling module, monitors for the monitoring signaling module.
10. device according to claim 9 is characterized in that, also comprises:
The monitoring signaling module is used for described live transmission protocol message is reduced to pulse code modulation signal, and the signaling message in the described pulse code modulation signal is monitored.
11. device according to claim 9 is characterized in that, described signal collecting module is further used for obtaining the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
12. device according to claim 11 is characterized in that,
Described signal collecting module comprises:
The circuit connection unit is used for described monitored signaling link is routed to predetermined VoIP port;
Described signaling transfer module comprises:
The VoIP unit is used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, and described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described signaling output module comprises:
The IP interface unit is used for connecting parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and exports described live transmission protocol message to described monitoring signaling module.
13., it is characterized in that described signaling output module is connected with described monitoring signaling module by the IP bearer network according to each described device among the claim 9-12.
14. a SGW is characterized in that, comprising:
Signal collecting module is used for obtaining the pulse code modulation signal that described monitored signaling link transmits, and comprises signaling message in the described pulse code modulation signal;
Signaling transfer module is used for described pulse code modulation signal is converted to live transmission protocol message;
Signaling output module is used for described live transmission protocol message output is monitored for the monitoring signaling device.
15. SGW according to claim 14, it is characterized in that, described signal collecting module is further used for obtaining the pulse code modulation signal that transmits in the described monitored signaling link by described monitored signaling link being routed to predetermined VoIP port.
16. SGW according to claim 15 is characterized in that,
Described signal collecting module comprises:
The circuit connection unit is used for described monitored signaling link is routed to predetermined VoIP port;
Described signaling transfer module comprises:
The VoIP unit is used for receiving the pulse code modulation signal that described monitored signaling link transmits from described VoIP port, and described pulse code modulation signal is converted to live transmission protocol message, and with described live transmission protocol message output;
Described signaling output module comprises:
The IP interface unit is used for connecting parameter according to predetermined RTP, receives the live transmission protocol message of described VoIP unit output, and with described live transmission protocol message output.
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| CN200910238692A CN101741639A (en) | 2009-12-01 | 2009-12-01 | Method and device for realizing signaling monitoring, and signaling gateway |
| PCT/CN2010/074769 WO2010149099A1 (en) | 2009-12-01 | 2010-06-30 | Method and device for realizing monitoring signaling and signaling gateway thereof |
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| CN200910238692A CN101741639A (en) | 2009-12-01 | 2009-12-01 | Method and device for realizing signaling monitoring, and signaling gateway |
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| CN101488954A (en) * | 2009-01-09 | 2009-07-22 | 中兴通讯股份有限公司 | Speech monitoring method and access gateway |
| CN101741639A (en) * | 2009-12-01 | 2010-06-16 | 中兴通讯股份有限公司 | Method and device for realizing signaling monitoring, and signaling gateway |
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