CN101237359B - Monitoring system and method - Google Patents
Monitoring system and method Download PDFInfo
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- CN101237359B CN101237359B CN2008100654378A CN200810065437A CN101237359B CN 101237359 B CN101237359 B CN 101237359B CN 2008100654378 A CN2008100654378 A CN 2008100654378A CN 200810065437 A CN200810065437 A CN 200810065437A CN 101237359 B CN101237359 B CN 101237359B
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Abstract
The invention relates to a monitoring system which controls monitoring media and comprises a soft switching controller, a monitoring gateway and a monitoring center, wherein the monitoring gateway and the monitoring center are connected through a trunk interface; the soft switching controller controls the media connection process of the monitoring gateway through an H.248 signaling. The invention, on the basis of the system, also provides a monitoring method capable of controlling monitoring media, wherein the method comprises the following steps that: monitoring correlation is created on the monitoring gateway to realize statistical monitoring; then, the statistical monitoring mode is converted to a separate monitoring mode or a hybrid monitoring mode. The monitoring system and the monitoring method, which realize the function of changing monitoring modes without influencing subscriber call during soft switching, not only completely realize the monitoring function under the prior exchange mechanism in the NGN field, but also more conveniently realize the new service function of monitoring a subscriber.
Description
Technical field
The present invention relates to next generation network (NGN) field, relate in particular to a kind of monitoring system and method for monitoring medium of controlling.
Background technology
H.248 agreement is the MGCP that was proposed by ITU-T the 16th working group in 2000, is applied between media gateway and the soft switch and soft switch and H.248 between the terminal, is the important protocol that soft switch should be supported.Media gateway refers to user's access device, comprise Tandem Gateway in the NGN notion, IAD (Access Gateway, AG) and integrated access equipment.
In the NGN networking, the soft switch controller (SoftSwitch, SS) by motoring gateway (MonitorGateway, MG) and listening center (Control Point, CP) connection, as shown in Figure 1.Motoring gateway is meant the equipment that connects listening center and soft switch controller, can unify with the Tandem Gateway the soft switch from physically saying.
At present, listening mode is divided into Statistical monitoring (statistical monitoring) and monitors (complete monitoring) two kinds fully, monitors fully to be divided into again and separates listening mode (separatemonitoring mode) and mix listening mode (combined monitoring mode) two kinds.Statistical monitoring only is meant that the calling procedure information with eavesdropping target user reports listening center; Monitor fully and be meant except the work of finishing Statistical monitoring, also need to send the voice messaging of eavesdropping target's calling to listening center; The separation listening mode is meant gives listening center with the voice of eavesdropping target user and opposite end from two voice channels; Mixing listening mode is meant and will send a listening center from a voice channel behind the sound mixing of eavesdropping target user and opposite end.
Statistical monitoring carry out to connect is monitored media manipulation, monitor fully to carry out to disconnect and monitor media manipulation, but the both require to accomplish for the user perception less than.Simultaneously, because user's call model and scene type are many, protocol side needs more consider robustness and expandability when realizing monitor function.
Along with the NGN technology the applying of areas such as the former Soviet Union, run into local special a kind of listen mode.Listening center is connected by trunk interface with conventional switch in this mode, and with wherein two time slots transmission channel as signaling, other time slots are as the passage of monitoring voice.
Listening center will be monitored instruction down to conventional switch by the signalling time slot, conventional switch is given listening center (these monitor the control signaling is another agreement, finishes adaptive by other equipment) with the result of these instructions and eavesdropping target's traffic information by the signalling time slot loopback.Give listening center with eavesdropping target's voice messaging from the voice time slot according to instruction simultaneously.
In the prior art, also do not realize this monitor function in the soft switch.
Summary of the invention
Technical problem to be solved by this invention is, a kind of monitoring system of monitoring medium of controlling is provided, and on the basis of this system, provide a kind of monitor method, the present invention not only can realize the monitor function under the conventional switch system fully in the NGN field, can also realize the new business function of monitoring users more easily.
Monitoring system of the present invention comprises switch, motoring gateway and listening center, and motoring gateway and listening center continue by trunk interface, and switch passes through the H.248 medium handshaking procedure of signaling control motoring gateway.
Monitor method of the present invention, when customer call was set up, if need to start monitor function, then switch started monitor function, carries out following steps:
Step 1: create on motoring gateway and monitor related ContextA, enter the Statistical monitoring mode, if switch need transfer the separation listening mode to, then execution in step two; If switch need transfer the mixing listening mode to, then execution in step three;
Step 2: on motoring gateway, create the trunk monitoring association, enter the separation listening mode,, then delete the trunk monitoring association, enter the Statistical monitoring mode if switch need transfer the Statistical monitoring mode to;
Step 3: in described monitoring association, create trunk monitoring destination node TRK, enter the mixing listening mode,, then delete described trunk monitoring destination node TRK, enter the Statistical monitoring mode if switch need transfer the Statistical monitoring mode to.
When customer call finished, then deletion was related with this relevant monitoring of conversing in motoring gateway, discharges monitor resource.
Also comprise the first temporary destination node RTP_1 and the second temporary destination node RTP_2 among the related ContextA of above-mentioned steps one described monitoring, the first temporary destination node RTP_1 is used for setting up two-way media stream with the temporary destination node RTP_A of monitoring users; The second temporary destination node RTP_2 is used for and the temporary destination node RTP_B of end subscriber is set up two-way media stream.
Above-mentioned steps two described relaying associations are divided into related ContextB of first relaying and the related ContextC of second relaying, also comprise the first trunk monitoring destination node TRK1 among the related ContextB of first relaying, also comprise the second trunk monitoring destination node TRK2 among the related ContextC of second relaying, during work, the medium replication portion of the monitoring users that motoring gateway will be come by the described first temporary destination node RTP 1 is to the described first trunk monitoring destination node TRK1, will by the described second temporary destination node RTP_2 come to the medium replication portion of end subscriber to the described second trunk monitoring destination node TRK2, finish to separate and monitor.
The name attribute that comprises first temporary destination node in the attribute of the described first trunk monitoring destination node TRK1.
The name attribute that comprises second temporary destination node in the attribute of the described second trunk monitoring destination node TRK2.
In the above-mentioned steps three, motoring gateway carries out sending to listening center by described trunk monitoring destination node TRK behind the audio mixing with the medium of monitoring users with to the medium of end subscriber, finishes to mix and monitors.
The present invention has realized the function of change listening mode under the situation that does not influence user's communication in soft switch, not only can realize the monitor function under the conventional switch system in the NGN field fully, can also realize the new business function of monitoring users more easily.
Description of drawings
The monitored call illustraton of model of Fig. 1 soft switch;
Fig. 2 is the topological diagram of Statistical monitoring among the present invention;
Fig. 3 separates the topological diagram of monitoring among the present invention;
Fig. 4 mixes the topological diagram of monitoring among the present invention;
Fig. 5 is a flow chart of the present invention.
Embodiment
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated.
Switch comprises conventional switch and soft switch controller, and the switch among the present invention refers to the soft switch controller.
As shown in Figure 1, between IAD and the soft switch controller by H.248/MGCP/Sip/H.323 being connected, be connected by trunk interface between motoring gateway and the listening center, be connected by X1/X25 between listening center and the soft controller, among the present invention, the soft switch controller passes through the H.248 medium handshaking procedure of signaling control motoring gateway, realizes monitor function.
Fig. 2 is the topological diagram of Statistical monitoring among the present invention, adopt and monitor interrelational form realization Statistical monitoring, concrete grammar is, on motoring gateway, create one and monitor related ContextA, this monitoring association comprises the first temporary destination node RTP_1 and the second temporary destination node RTP_2, and the temporary destination node RTP_A of the first temporary destination node RTP_1 and monitoring users sets up two-way media stream; The second temporary destination node RTP_2 and the temporary destination node RTP_B of end subscriber set up two-way media stream, follow-up like this when calling out medium and continuing control, just can be used as temporary destination node RTP_B to the second temporary destination node RTP_2 to end subscriber; Continue when control monitoring medium, just can be used as RTP_1 the temporary destination node RTP_A of monitoring users.
The purpose of Chu Liing is to simplify the complexity of monitored call model like this, and the medium (RTP_A, RTP_B) that will monitor medium (RTP_1, RTP_2) and monitoring users combine, convenient follow-up control, and this mode does not take the trunk monitoring resource.
Though Media Stream did not need through motoring gateway when statistics was called out, it is related to there is no need to create monitoring on motoring gateway.But for do not influence in realizing conversing the user the situation of conversation under carry out the change of listening mode, promptly adopted method of the present invention.This mode can develop and monitor or the mixing monitoring to separating under the situation that does not influence customer call, also can revert to Statistical monitoring when separation is monitored or mix monitoring.
Fig. 3 separates the topological diagram of monitoring among the present invention, adopt the mode that sets a property on trunk monitoring destination node TRK1, realizes separating and monitors.Concrete grammar is as follows: create related ContextB of first trunk monitoring and the related ContextC of second trunk monitoring on motoring gateway, in the related ContextB of first trunk monitoring, create the first trunk monitoring destination node TRK1 again, in the related ContextC of second trunk monitoring, create the second trunk monitoring destination node TRK2, and the name attribute in when operation with the first temporary destination node RTP_1 is attached on the attribute of the first trunk monitoring destination node TRK1, and the name attribute of the second temporary destination node RTP_2 is attached on the attribute of the second trunk monitoring destination node TRK2.The medium replication portion of the monitoring users that motoring gateway will be come by the first temporary destination node RTP_1 is to the first trunk monitoring destination node TRK1, will by the second temporary destination node RTP_2 come to the medium replication portion of end subscriber to the second trunk monitoring destination node TRK2, thereby listening center just heard monitoring users from two monitoring circuits respectively and to the sound of end subscriber.
In order to realize the interoperability between soft switch and the gateway, increasing a bag H.248 is legalintercept package, in bag H.248, define an attribute PropertyID:MONITIDNAME (0x0001), be used for the annexation of describing the relaying destination node of monitoring when monitoring and monitoring medium separating.
Fig. 4 mixes the topological diagram of monitoring among the present invention, in monitoring related ContextA, increase a trunk monitoring destination node TRK, motoring gateway carries out sending to listening center from trunk monitoring destination node TRK behind the audio mixing with the medium of monitoring users with to the medium of end subscriber, listening center just can be heard monitoring users simultaneously and to the sound of end subscriber, finish thereby mix to monitor on a trunk monitoring.
Fig. 5 is a flow chart of the present invention, may further comprise the steps:
Step 501: on motoring gateway, create and monitor related ContextA, increase by 2 temporary destination node RTP_1 and RTP_2 in the association toward monitoring, the medium of RTP_1 and monitoring users are connected, the opposite end of RTP_2 and monitoring users is connected, so just formed the model of Statistical monitoring; If switch need transfer the separation listening mode to, then execution in step 502; If switch need transfer the mixing listening mode to, then execution in step 504; If customer call finishes, then execution in step 506;
Step 502: on motoring gateway, create related ContextB of 2 trunk monitorings and ContextC, in ContextB, increase trunk monitoring destination node TRK1, in ContextC, increase trunk monitoring destination node TRK2, and the name attribute with RTP_1 when increasing operation is attached on the attribute of TRK1, the name attribute of RTP_2 is attached on the attribute of TRK2, if switch need transfer the Statistical monitoring mode to, then execution in step 503; If customer call finishes, then execution in step 506;
Step 503: with the trunk monitoring destination node deletion among related ContextB of trunk monitoring and the ContextC (according to the agreement regulation, implicit deletion related ContextB of trunk monitoring and ContextC), stop to separate and monitor, return to the Statistical monitoring pattern;
Step 504: in monitoring related ContextA, increase a trunk monitoring destination node TRK.Gateway is according to the regulation of H248 agreement, with RTP_1, RTP_2 and TRK handle as meeting, thereby can carry out issuing listening center from TRK behind the audio mixing with the medium of monitoring users with to the medium of end subscriber, listening center just can be heard monitoring users simultaneously and to the sound of end subscriber, realize mixing and monitored on a trunk monitoring; If switch need transfer the Statistical monitoring mode to, then execution in step 505; If customer call finishes, then execution in step 506;
Step 505: will monitor the trunk monitoring destination node TRK deletion among the related ContextA, gateway stops to mix to be monitored, and returns to the Statistical monitoring model.
Step 506: will monitor temporary destination node RTP_1 and RTP_2 deletion among the related ContextA, gateway discharges monitors related resource.
Claims (8)
1. a monitoring system comprises switch, motoring gateway and listening center, and described motoring gateway and listening center continue by trunk interface, it is characterized in that, switch passes through the H.248 medium handshaking procedure of signaling control motoring gateway;
In the described handshaking procedure, motoring gateway is used for creating monitors association, enters the Statistical monitoring mode;
Motoring gateway also is used for when switch need transfer the separation listening mode to by the Statistical monitoring mode, the association of establishment trunk monitoring, enter the separation listening mode, at this moment, when if switch need transfer the Statistical monitoring mode to by the separation listening mode, then motoring gateway also is used to delete the trunk monitoring association, enters the Statistical monitoring mode;
Motoring gateway also is used for when switch need transfer the mixing listening mode to by the Statistical monitoring mode, create the trunk monitoring destination node, enter the mixing listening mode, at this moment, when if switch need change the Statistical monitoring mode over to by the mixing listening mode, then motoring gateway also is used to delete the trunk monitoring destination node, enters the Statistical monitoring mode.
2. a monitor method is characterized in that, when customer call was set up, if need to start monitor function, then switch started monitor function, carries out following steps:
Step 1: create on motoring gateway and monitor association, enter the Statistical monitoring mode, if switch need transfer the separation listening mode to, then execution in step two; If switch need transfer the mixing listening mode to, then execution in step three;
Step 2: on motoring gateway, create the trunk monitoring association, enter the separation listening mode,, then delete the trunk monitoring association, enter the Statistical monitoring mode if switch need transfer the Statistical monitoring mode to;
Step 3: in described monitoring association, create the trunk monitoring destination node, enter the mixing listening mode,, then delete described trunk monitoring destination node, enter the Statistical monitoring mode if switch need transfer the Statistical monitoring mode to.
3. monitor method as claimed in claim 2 is characterized in that, when customer call finished, then deletion was related with this relevant monitoring of conversing in motoring gateway, discharges monitor resource.
4. monitor method as claimed in claim 2 is characterized in that, also comprises first temporary destination node and second temporary destination node in the described monitoring association of step 1, and first temporary destination node is used for setting up two-way media stream with the temporary destination node of monitoring users; Second temporary destination node is used for and the temporary destination node of end subscriber is set up two-way media stream.
5. monitor method as claimed in claim 4, it is characterized in that, it is related related with second relaying that the described relaying association of step 2 is divided into first relaying, also comprise the first trunk monitoring destination node in the first relaying association, also comprise the second trunk monitoring destination node in the second relaying association, during work, the medium replication portion of the monitoring users that motoring gateway will be come by described first temporary destination node is to the described first trunk monitoring destination node, will by described second temporary destination node come to the medium replication portion of end subscriber to the described second trunk monitoring destination node, finish to separate and monitor.
6. monitor method as claimed in claim 5 is characterized in that, comprises the name attribute of first temporary destination node in the attribute of the described first trunk monitoring destination node.
7. monitor method as claimed in claim 5 is characterized in that, comprises the name attribute of second temporary destination node in the attribute of the described second trunk monitoring destination node.
8. monitor method as claimed in claim 2 is characterized in that, in the step 3, motoring gateway carries out sending to listening center by described trunk monitoring destination node behind the audio mixing with the medium of monitoring users with to the medium of end subscriber, finishes to mix and monitors.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2008100654378A CN101237359B (en) | 2008-02-27 | 2008-02-27 | Monitoring system and method |
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| CN2008100654378A CN101237359B (en) | 2008-02-27 | 2008-02-27 | Monitoring system and method |
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| CN101237359A CN101237359A (en) | 2008-08-06 |
| CN101237359B true CN101237359B (en) | 2011-08-24 |
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| CN103685486B (en) * | 2013-12-02 | 2017-01-18 | 中国科学院计算技术研究所 | Distributed system monitoring method stepping over data center clusters and system |
| CN108650425B (en) * | 2018-05-15 | 2021-03-19 | 中国联合网络通信集团有限公司 | Monitoring method and monitoring system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1642117A (en) * | 2004-07-07 | 2005-07-20 | 华为技术有限公司 | Method for realizing monitoring based on soft switch |
| CN1738263A (en) * | 2004-08-16 | 2006-02-22 | 中兴通讯股份有限公司 | Monitoring method for soft switching system media stream and gateway-monitoring processing device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1642117A (en) * | 2004-07-07 | 2005-07-20 | 华为技术有限公司 | Method for realizing monitoring based on soft switch |
| CN1738263A (en) * | 2004-08-16 | 2006-02-22 | 中兴通讯股份有限公司 | Monitoring method for soft switching system media stream and gateway-monitoring processing device |
Non-Patent Citations (6)
| Title |
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| 宋方云等.下一代网络(NGN)中软交换的监听系统设计与实现.计算机与数字工程35 2.2007,35(2),86-89. |
| 宋方云等.下一代网络(NGN)中软交换的监听系统设计与实现.计算机与数字工程35 2.2007,35(2),86-89. * |
| 曹雄等.对NGN中合法监听的研究.电信科学 2.2006,(2),19-22. |
| 曹雄等.对NGN中合法监听的研究.电信科学 2.2006,(2),19-22. * |
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