CN100334843C - System and method for realizing packet voice network monitoring - Google Patents
System and method for realizing packet voice network monitoring Download PDFInfo
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- CN100334843C CN100334843C CNB021564493A CN02156449A CN100334843C CN 100334843 C CN100334843 C CN 100334843C CN B021564493 A CNB021564493 A CN B021564493A CN 02156449 A CN02156449 A CN 02156449A CN 100334843 C CN100334843 C CN 100334843C
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
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Abstract
The present invention discloses a system for monitoring packet speech networks, which comprises a speech monitoring center, a soft exchange unit, a medium gateway control unit and a medium gateway, wherein the speech monitoring center is used for monitoring the speech communication of a monitored user terminal, the signaling interface of the speech monitoring center is connected with the soft exchange unit, and the speech path interface of the speech monitoring center is connected with the medium gateway; the soft exchange unit is used for monitoring the speech communication state of the monitored user terminal and is communicated with the control unit of the medium gateway, and the soft exchange unit is connected with the voice of the speech monitoring center through the control of the medium gateway by the medium gateway control unit; the medium gateway control unit is used for completing the control of the medium gateway by the soft exchange unit; the medium gateway is used for converting speech loaded by packet networks into speech loaded in a time division multiplexing (TDM) mode, and the medium gateway is connected with the telephone path interface of the speech monitoring center and packet networks. The present invention simultaneously discloses a method for monitoring packet speech networks. The present invention utilizes the original speech monitoring center to monitor users of packet speech networks, so the equipment resource and cost are considerably saved.
Description
Technical field
The present invention relates to the monitoring technique of voice, particularly system and method about realizing that packet voice network is monitored.
Background technology
In recent years, develop rapidly along with packet communications technology especially wireless internet protocol (IP) technology, use packet network to replace traditional Time Division Multiplexing network to come voice-bearer in the communication system more and more widely, and the packet network of voice-bearer comprises at present: the IP network of voice-bearer (VoIP, Voice over IP) and the asynchronous transfer mode network of voice-bearer (VoATM, Voice over ATM).
The audio monitoring function is the function that mandatory requirement communication operator of most in the world state security department provides, and mainly some specific user is carried out the monitoring of speech communication when relating to national security or law.The audio monitoring technology is only supported the TDM bearing mode at present, but can't realize monitoring for the user in the packet network that uses the IP/ATM carrying.
Figure 1 shows that existing techniques in realizing audio monitoring networking schematic diagram.Referring to shown in Figure 1, the speech path interface at audio monitoring center is the TDM interface, and signaling interface then has multiple, as modes such as Signaling System Number 7 (SS7) link, private line accesses.The audio monitoring center issues the snoop command that contains the intercepted user sign by signalling path to the TDM switching equipment, after the TDM switching equipment is received snoop command, monitors intercepted user in real time according to the intercepted user sign; When intercepted user carried out speech communication, the TDM switching equipment was set up speech by the TDM speech path interface with the audio monitoring center and is connected.At this moment, the audio monitoring function has also just been realized at the audio monitoring center.
By said process as can be seen, existing audio monitoring center can only be monitored the user in the TDM voice bearer network, promptly by traditional TDM end office switch, comprise fixed network switch and mobile switching centre, realization still can't realize monitoring for the user in the packet voice bearer network to certain user's audio monitoring.
Summary of the invention
In view of this, main purpose of the present invention provides a kind of system that realizes that packet voice network is monitored, and it can be monitored the user's communication in the packet voice network.
Another main purpose of the present invention provides a kind of method that realizes that packet voice network is monitored, by the monitoring of top described system realization to user in the packet voice network.
Technical scheme of the present invention is achieved in that
A kind of system that realizes that packet voice network is monitored comprises:
The audio monitoring center is used to monitor the speech communication of intercepted user end, and the signaling interface at audio monitoring center links to each other with the soft switch unit, and the speech path interface at audio monitoring center links to each other with media gateway;
The soft switch unit is used to monitor the speech communication state of intercepted user end, and it links to each other with the media gateway controlling unit, is connected with the speech at audio monitoring center by media gateway controlling unit controls media gateway;
The media gateway controlling unit is used to finish the control of soft switch unit to media gateway;
Media gateway is used for the Packet Based Network voice-bearer is converted to time division multiplexing (TDM) voice-bearer, and it links to each other with packet network with the speech path interface at audio monitoring center.Wherein, the packet network that media gateway connects is Internet Protocol (IP) net of voice-bearer, or is asynchronous transfer mode (ATM) net of voice-bearer, or the combination of the two.
Described media gateway controlling unit is the physical equipment that is provided with separately, or for being integrated in a functional module in media gateway or the soft switch physical entity.
Described soft switch unit, media gateway controlling unit and media gateway are integrated in the same physical equipment.
Described soft switch unit is the Mobile Switching Center Server (MSC Server) of circuit domain, or is the call state control appliance (CSCF) of IP multimedia domain, MMD.
Described media gateway is circuit domain media gateway (CS-MGW), or is IP multimedia domain, MMD media gateway (IM-MGW).
A kind of said system of utilizing realizes the method that packet voice network is monitored, and is applied in the packet voice bearer network, and this method comprises:
A. mind-set soft switch unit issues the snoop command that comprises the intercepted user sign in the audio monitoring;
B. the soft switch unit is monitored the speech communication state of intercepted user end in real time according to the intercepted user sign, when finding that the intercepted user end begins speech communication, notice audio monitoring center, soft switch unit intercepted user end begins speech communication, and the speech that the control media gateway is set up between media gateway and the audio monitoring center connects;
C. after media gateway is received the packet bearer voice of intercepted user end, be converted into the TDM voice-bearer, and the audio monitoring center delivered in the voice after will changing with the TDM bearing mode; Wherein, described packet bearer voice are Voice over IP, or are the ATM voice-bearer;
D. when the soft switch unit finds that the intercepted user end finishes speech communication, notify audio monitoring center end of calling, and the control media gateway makes, and the release speech connects between media gateway and the audio monitoring center.
Wherein, described step C further comprises: after media gateway becomes the TDM voice-bearer with the packet bearer speech conversion, merge the voice that the intercepted user end is received and sent out, the voice of being monitored after merging are delivered to the audio monitoring center with the TDM bearing mode; Or media gateway is delivered to the audio monitoring center respectively with the voice that the TDM bearing mode is received the intercepted user end and send out after the packet bearer speech conversion is become the TDM voice-bearer, and the voice that receive the intercepted user end and send out at the audio monitoring center merge.
Said method further comprises: after the snoop command that the audio monitoring center issues is received in the soft switch unit, to audio monitoring center report intercepted user end state and and this user-dependent signaling.
Said method also further comprises: after snoop command was received in the soft switch unit, the soft switch unit returns to the audio monitoring center confirmed response.
The present invention is carried by the IP/ATM bearing mode in the packet network being converted to TDM, thereby makes the audio monitoring center of TDM speech path interface realize that the user in the packet voice bearer network is carried out speech to monitor.And,, therefore saved device resource and cost greatly owing to used the listening center of original TDM speech path interface.
Description of drawings
Fig. 1 is the schematic network structure that TDM voice bearer net is realized monitoring;
The system logic structure schematic diagram of Fig. 2 for realizing that packet voice network is monitored;
The method flow schematic diagram of Fig. 3 for realizing that packet voice is monitored.
Embodiment
Core content of the present invention is to be the voice of TDM bearing mode by the speech conversion with IP/ATM bearing mode in the packet voice network, thereby realizes utilizing the audio monitoring center of original TDM speech path interface that the user's communication in the packet voice network is monitored.
Further specify specific embodiments of the present invention below in conjunction with drawings and Examples.
Referring to shown in Figure 2, realize that the system that packet voice network is monitored comprises audio monitoring center 201, soft switch unit 202, media gateway controlling unit 203, media gateway 204.The signaling interface at audio monitoring center 201 links to each other with soft switch unit 202, the speech path interface at audio monitoring center 201 links to each other with media gateway 204, media gateway 204 links to each other with packet network 205 respectively with soft switch unit 202, and wherein, the speech path interface at audio monitoring center 201 adopts the TDM interface.
Dotted line shown in Fig. 2 is represented signaling flow, and solid line is represented speech stream.The media gateway controlling unit can be the independent equipment that is provided with, or be that a functional module is arranged in media gateway or the soft switch unit, two kinds of implementations at the media gateway controlling unit, media gateway is had two kinds of control modes: a kind of is that media gateway is directly controlled in the soft switch unit, in such cases, media gateway controlling equipment is integrated in media gateway or the soft switch unit; Another kind is that media gateway is controlled by the media gateway controlling unit in the soft switch unit.Concrete which kind of control mode that adopts will be decided according to the function of media gateway.
Need to prove, fixed network next generation network (NGN, Next Generation Network) and wireless third generation mobile network (3G, 3rd Genetation) packet voice bearer network all comprises soft switch unit (SS, SoftSwitch), media gateway controlling equipment (MGC, Media Gateway Controller) and media gateway device (MGW, Media GateWay).
3G packet voice bearer network comprises the circuit domain core net of packet bearer and the IP Multimedia System of block terminal, and the call state control appliance (CSCF) in Mobile Switching Center Server in the circuit domain core net (MSC Server) and the IP Multimedia System all belongs to the soft switch unit, and circuit domain media gateway (CS-MGW) and IP multimedia domain, MMD media gateway (IM-MGW) all belong to media gateway.
And the above-mentioned soft switch unit of mentioning, Media Gateway Controller, media gateway all belong to logical functional entity, may be the equipment of unification in physics realization.
Signaling interface among Fig. 2 between audio monitoring center and the soft switch unit is a logic interfacing, its physical circuit has dual mode: a kind of is from audio monitoring center and soft switch unit direct physical connection to be arranged, another kind is directly not carry out physical connection between audio monitoring center and the soft switch unit, both connect by the physical connection of media gateway respectively, and media gateway is carried out transparent transmission, and this connected mode can be simplified the interface at audio monitoring center.
Based on structure shown in Figure 2, as shown in Figure 3, the present invention realizes that the detailed process of packet voice network monitoring is as follows:
Mind-set soft switch unit issues the snoop command that comprises the intercepted user sign in step 301, the audio monitoring, and the soft switch unit returns confirms response.
Step 304, media gateway merge the voice of receiving and sending out after receiving the voice that the intercepted user of IP/ATM carrying receives and send out, and the IP/ATM bearing mode is converted to the TDM bearing mode, and the voice after merging are delivered to the audio monitoring center with the TDM bearing mode.At this moment, the audio monitoring to intercepted user has just been realized at the audio monitoring center.Wherein, media gateway can be delivered to the audio monitoring center with the voice that merge behind the voice that merge the intercepted user receipts and send out, and also the audio monitoring center directly be delivered in the voice that intercepted user can be received and sent out, merged by the audio monitoring center.
In said process, after the snoop command of audio monitoring center to certain user received in the soft switch unit, need be to audio monitoring center report intercepted user state and and this user-dependent signaling.
Claims (12)
1, a kind of system that realizes that packet voice network is monitored is characterized in that this system comprises:
The audio monitoring center is used to monitor the speech communication of intercepted user end, and the signaling interface at audio monitoring center links to each other with the soft switch unit, and the speech path interface at audio monitoring center links to each other with media gateway;
The soft switch unit is used to monitor the speech communication state of intercepted user end, and it links to each other with the media gateway controlling unit, is connected with the speech at audio monitoring center by media gateway controlling unit controls media gateway;
The media gateway controlling unit is used to finish the control of soft switch unit to media gateway;
Media gateway is used for the Packet Based Network voice-bearer is converted to the time division multiplexing voice-bearer, and it links to each other with packet network with the speech path interface at audio monitoring center.
2, system according to claim 1 is characterized in that, described media gateway controlling unit is the physical equipment that is provided with separately, or for being integrated in the functional module in media gateway or the soft switch physical entity.
3, system according to claim 1 is characterized in that, described soft switch unit, media gateway controlling unit and media gateway are integrated in the same physical equipment.
4, system according to claim 1 is characterized in that, described soft switch unit is the Mobile Switching Center Server of circuit domain, or is the call state control appliance of IP multimedia domain, MMD.
5, system according to claim 1 is characterized in that, described media gateway is the circuit domain media gateway, or is internet protocol multimedia territory media gateway.
6, system according to claim 1 is characterized in that, the packet network that described media gateway connects is the Internet Protocol net of voice-bearer, or is the asynchronous transfer mode ATM net of voice-bearer, or the combination of the two.
7, a kind of described system of claim 1 that utilizes realizes the method that packet voice network is monitored, and is applied to it is characterized in that in the packet voice bearer network that this method may further comprise the steps:
A. mind-set soft switch unit issues the snoop command that comprises the intercepted user sign in the audio monitoring;
B. the soft switch unit is monitored the speech communication state of intercepted user end in real time according to the intercepted user sign, when finding that the intercepted user end begins speech communication, notice audio monitoring center, soft switch unit intercepted user end begins speech communication, and the speech that the control media gateway is set up between media gateway and the audio monitoring center connects;
C. after media gateway is received the packet bearer voice of intercepted user end, be converted into the time division multiplexing voice-bearer, and the audio monitoring center delivered in the voice after will changing with the time division multiplexing bearing mode;
D. when the soft switch unit finds that the intercepted user end finishes speech communication, notify audio monitoring center end of calling, and the control media gateway makes, and the release speech connects between media gateway and the audio monitoring center.
8, method according to claim 7 is characterized in that, described step C further comprises:
After media gateway becomes the time division multiplexing voice-bearer with the packet bearer speech conversion, merge the voice that the intercepted user end is received and sent out, the voice of being monitored after merging are delivered to the audio monitoring center with the time division multiplexing bearing mode.
9, method according to claim 7 is characterized in that, described step C further comprises:
After media gateway becomes the time division multiplexing voice-bearer with the packet bearer speech conversion, deliver to the audio monitoring center respectively with the voice that the time division multiplexing bearing mode is received the intercepted user end and send out, the voice that receive the intercepted user end and send out at the audio monitoring center merge.
10, method according to claim 7, it is characterized in that, described method further comprises: after the snoop command that the audio monitoring center issues is received in the soft switch unit, to audio monitoring center report intercepted user end state and and this user-dependent signaling.
11, method according to claim 7 is characterized in that, described method further comprises: after Softswitch was received snoop command, the soft switch unit returns to the audio monitoring center confirmed response.
12, method according to claim 7 is characterized in that, the voice of packet bearer described in the step C are voice over the Internet protocol, or is the asynchronous transfer mode voice-bearer.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB021564493A CN100334843C (en) | 2002-12-16 | 2002-12-16 | System and method for realizing packet voice network monitoring |
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| CNB021564493A CN100334843C (en) | 2002-12-16 | 2002-12-16 | System and method for realizing packet voice network monitoring |
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| CN100334843C true CN100334843C (en) | 2007-08-29 |
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Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100689365B1 (en) * | 2003-07-10 | 2007-03-02 | 삼성전자주식회사 | Method and System for multicasting and forwarding of signaling and supplementary data in mobile communication system |
| CN100401692C (en) * | 2004-08-06 | 2008-07-09 | 华为技术有限公司 | Packet voice network monitoring method |
| CN1331324C (en) * | 2004-08-18 | 2007-08-08 | 华为技术有限公司 | Voice monitoring method and system |
| DE102004040480B4 (en) | 2004-08-20 | 2006-05-24 | Siemens Ag | Method and device for user data acquisition of multimedia connections in a packet network |
| CN100384160C (en) * | 2005-07-14 | 2008-04-23 | 华为技术有限公司 | Method and apparatus for monitoring video-calling |
| ES2303980T3 (en) * | 2005-10-25 | 2008-09-01 | Siemens Aktiengesellschaft | NETWORK PROCEDURE AND ELEMENTS FOR DUPLICATION OF CONTENT IN PACKAGE NETWORKS. |
| CN100396025C (en) * | 2005-10-31 | 2008-06-18 | 华为技术有限公司 | Monitoring method, as well as device and system for collecting monitored data |
| CN1893476B (en) * | 2005-11-28 | 2010-05-12 | 华为技术有限公司 | Device for automatically testing and monitoring network gate characteristics |
| CN100450223C (en) * | 2005-12-07 | 2009-01-07 | 华为技术有限公司 | Method for realizing cluster service under mobile soft-switching structure |
| CN101005409B (en) * | 2006-01-18 | 2010-12-01 | 华为技术有限公司 | Method and system for realizing legal monitoring in nextgeneration network |
| CN100433664C (en) * | 2006-02-05 | 2008-11-12 | 华为技术有限公司 | Network monitoring system and method for realizing monitoring |
| WO2008086639A1 (en) * | 2006-12-30 | 2008-07-24 | Huawei Technologies Co., Ltd. | System for voice interception of video phone services in a multi-media network |
| CN101350742B (en) * | 2007-07-20 | 2011-05-11 | 中兴通讯股份有限公司 | Method and system for implementing voice listen of next generation network |
| CN101610267B (en) * | 2009-07-07 | 2013-03-20 | 中兴通讯股份有限公司 | Method and system for realizing IP side signaling monitoring through media gateway |
| CN102214341A (en) * | 2010-04-02 | 2011-10-12 | 魏孝丞 | Personalized advertising method and system based on communication device |
| CN102447791B (en) * | 2010-10-15 | 2015-03-04 | 中兴通讯股份有限公司 | Method and system for realizing monitoring call pickup service |
| CN102185988B (en) * | 2011-05-18 | 2015-06-03 | 中兴通讯股份有限公司 | Method, system and media gateway for collecting voice data in real time |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010025530A (en) * | 2001-01-03 | 2001-04-06 | 박용호 | An internet voice communication method using WebCallAgent |
| CN1338173A (en) * | 1999-03-12 | 2002-02-27 | 诺基亚网络有限公司 | Interception system and method |
| WO2002082728A1 (en) * | 2001-03-21 | 2002-10-17 | Siemens Aktiengesellschaft | Method and telecommunications system for monitoring a data flow in a data network |
| US20020167937A1 (en) * | 2001-05-14 | 2002-11-14 | Lee Goodman | Embedding sample voice files in voice over IP (VOIP) gateways for voice quality measurements |
-
2002
- 2002-12-16 CN CNB021564493A patent/CN100334843C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1338173A (en) * | 1999-03-12 | 2002-02-27 | 诺基亚网络有限公司 | Interception system and method |
| KR20010025530A (en) * | 2001-01-03 | 2001-04-06 | 박용호 | An internet voice communication method using WebCallAgent |
| WO2002082728A1 (en) * | 2001-03-21 | 2002-10-17 | Siemens Aktiengesellschaft | Method and telecommunications system for monitoring a data flow in a data network |
| US20020167937A1 (en) * | 2001-05-14 | 2002-11-14 | Lee Goodman | Embedding sample voice files in voice over IP (VOIP) gateways for voice quality measurements |
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