CN100589592C - Method and system of implementing intelligent network call monitoring - Google Patents
Method and system of implementing intelligent network call monitoring Download PDFInfo
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Abstract
The present invention discloses a method which is used to achieve the intelligent network call monitoring. The method comprises that firstly, the user calls an intelligent access code, a service switching point SSP triggers a correspondent intelligent service of the intelligent access code, to gain the information of the intelligent service and report to a service control point SCP; secondly, theSCP predicates that the current intelligent service call needs to be monitored according to the gained information of the intelligent service, and gains a correspondent key word of the information ofthe intelligent service; thirdly, the SCP sends the correspondent key word of the information of the intelligent service to the SSP, and indicates the SSP to connect with the called party and monitorthe current calling; fourthly, the SSP starts to monitor when the called party ringing, sends the information which comprises numbers of the calling party and the called party and the correspondent key word of the information of the intelligent service to a monitoring center, and communicates a monitoring telephone channel to a calling telephone channel. The present invention also discloses a system which is used to achieve the intelligent network call monitoring. The call monitoring can be achieved agilely and expediently, and the monitoring efficiency can be improved by adopting the method and the system of the present invention.
Description
Technical Field
The present invention relates to call monitoring technology, and is especially intelligent network call monitoring method and system.
Background
The intelligent card Service and the Virtual Private Network (VPN) Service are value-added services which are widely applied at present, both of which are implemented based on an intelligent Network, and the intelligent Network at least includes two parts, namely a Service Switching Point (SSP) and a Service Control Point (SCP). The SSP is used for providing the function of accessing the intelligent network function set, the SSP can detect the request of the intelligent service and communicate with the SCP, and the SSP responds to the request of the SCP and allows the service logic in the SCP to influence the call processing. The SCP is the core component of the intelligent network, stores the user data and the service logic, and the main function is to receive the query information sent by the SSP and query the database to carry out various decoding, and at the same time, the SCP can start different service logics according to the call event reported by the SSP and send a call control instruction to the corresponding SSP according to the service logics, thereby realizing various intelligent calls.
Based on the basic structure of the intelligent network, a typical flow of the existing smart card service is shown in fig. 1, and includes:
step 101: the SSP triggers a start dp (idp) message to the SCP by analyzing the called number prefix in the call request.
Step 102: SCP sends and Connects To Resource (CTR) message, prompts and collects user information (P & C) message, instructs SSP to play sound and receive number, user inputs number, SSP reports result report (RR, ResultReport) to SCP, SCP repeats playing and receiving number operation until the information is received completely.
Here, the user input number means a user input language type, an intelligent network card number, a password, and the like.
Step 103: SCP sends down Application Charging (AC) and Request Report BCSM Event (RRBE).
Step 104: the SCP issues a CONNECT (CONNECT) message. The CONNECT message can carry the calling number and the called number, SSP calls the number according to the received number, and the call charge is recorded on the corresponding intelligent network card number after the calling and called calls are finished.
For VPN traffic, the flow is basically similar to that shown in fig. 1, except that: the IDP message does not need the process of playing and receiving numbers, and contains the VPN number distributed by SCP, namely: the IDP message of step 101 includes the VPN number, except for step 102.
In the prior art, no monitoring service is realized by combining with an intelligent network. In the existing communication field, the monitoring is carried out on the user number, which only relates to the association between the common telephone network and the monitoring center and is irrelevant to the intelligent network. However, with the rapid development of value-added services, services related to the communication field become more and more flexible, and the market needs cannot be met only by monitoring the subscriber number. Such as: the user with the smart card can make a call through any public telephone and charge the user smart card account uniformly, in this case, the user number is difficult to listen only, and the listening efficiency is greatly reduced.
Disclosure of Invention
In view of the above, the main objective of the present invention is to provide a method and a system for implementing intelligent network call monitoring, which can flexibly and conveniently implement call monitoring and can improve monitoring efficiency.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention provides a method for realizing intelligent network call monitoring, which comprises the following steps:
A. the user dials the intelligent access code, the service switching point SSP triggers the intelligent service corresponding to the intelligent access code, obtains the intelligent service information and reports the information to the service control point SCP;
B. SCP judges that the current intelligent service call needs monitoring according to the obtained intelligent service information and obtains a keyword corresponding to the intelligent service information;
C. SCP sends the key word corresponding to the intelligent service information to SSP, indicating SSP to connect the called party and monitoring the call; the keywords corresponding to the intelligent service information are placed in parameters which represent monitoring needs in the CONNECT message;
D. when the called rings, SSP starts monitoring, sends the information containing the calling and called numbers and the key words corresponding to the intelligent service information to the monitoring center, and connects the monitoring speech path to the calling speech path.
Wherein, further include after step D: when the user hangs up, the SSP removes the monitoring session.
The method further comprises the following steps: the monitoring center generates and stores keywords corresponding to the intelligent service information.
In the above scheme, the intelligent service information is an intelligent network card number; the step B of obtaining the keyword corresponding to the intelligent service information specifically includes: b11, SSP sends message of starting DP to SCP;
b12, SCP sends down and connects to resource CTR, prompts and collects user information P & C message to SSP, user inputs number according to prompt tone, and reports result to SCP;
b13, SCP receives the information including the intelligent network card number, and sends down the AC for applying charging and the request report BCSM event RRBE;
b14, SCP inquires database according to the received intelligent network card number, determines the current received intelligent network card number as the intelligent network card number to be monitored, and obtains the key word corresponding to the intelligent network card number from the database.
Correspondingly, the step C specifically includes: SCP sends CONNECT message with parameter correlation ID to be monitored to SSP, and the key word corresponding to the current intelligent network card number is placed in the correlation ID parameter.
In the above scheme, the intelligent service information is a Virtual Private Network (VPN) number; the step B of obtaining the keyword corresponding to the intelligent service information specifically includes:
b21, SSP sends start DP message containing VPN number to SCP;
b22, SCP receives VPN number, and sends AC and RRBE;
b23, SCP inquires database according to the received VPN number, determines the VPN number as the one to be monitored, and obtains the key word corresponding to the VPN number from the database.
Correspondingly, the step C specifically includes: SCP sends CONNECT message with parameter correlation ID to indicate need to monitor to SSP, and the key word corresponding to current VPN number is placed in the correlation ID parameter.
The invention also provides a system for realizing intelligent network call monitoring, which comprises a monitoring center, an SCP and an SSP; the monitoring center is used for generating intelligent service information to be monitored and keywords corresponding to the intelligent service information, sending the intelligent service information to SCP through signaling of a mobile application part, carrying out signaling interaction of an ISDN user part with SSP, and establishing a speech path with the SSP;
SCP for controlling operation and charging of service, obtaining intelligent service information to be monitored by monitoring center, determining whether current intelligent call needs monitoring, obtaining key word corresponding to intelligent service information and sending to SSP when monitoring is needed, indicating SSP; SCP and SSP are interacted through intelligent network application protocol signaling, and the key word corresponding to the intelligent service information is placed in the parameter which is indicated by the CONNECT message and needs to be monitored;
SSP, according to SCP indication making calling and monitoring, making ISUP signaling interaction with monitoring center and establishing speech path with monitoring center.
The system further comprises: and the database stores the keywords corresponding to the intelligent service information.
The intelligent service information is an intelligent network card number or a VPN number.
The method and system for monitoring the call of the intelligent network provided by the invention monitor the service in the intelligent network based on the intelligent network card number or VPN number of the intelligent network, and are not influenced and restricted by the change of the calling number and the called number; moreover, all monitoring processes are carried out on SSP and SCP in a centralized way, so that call monitoring can be conveniently and flexibly realized, and the monitoring efficiency is effectively improved.
Drawings
FIG. 1 is a schematic diagram illustrating a typical flow of a smart card service in the prior art;
FIG. 2 is a schematic diagram of a system for implementing call monitoring in an intelligent network according to the present invention;
FIG. 3 is a processing flow chart of an embodiment of a method for implementing call monitoring in an intelligent network according to the present invention;
fig. 4 is a processing flow chart of another embodiment of the method for implementing call monitoring in an intelligent network according to the present invention.
Detailed Description
The basic idea of the invention is: and monitoring the call aiming at the intelligent service information by combining with an intelligent network. Here, the intelligent service information may be an intelligent network card number, or a VPN number.
As shown in fig. 2, the system for monitoring intelligent network call of the present invention includes: the system comprises a monitoring center 20, an SCP 21 and an SSP 22, wherein the monitoring center 20 is used for generating intelligent service information to be monitored and a keyword corresponding to the intelligent service information, and sending the intelligent service information to the SCP 21 through a Mobile Application Part (MAP) signaling; during the interception, an ISDN User Part (ISUP, ISDN User Part) signaling interaction is performed with the SSP 22 and a session is established with the SSP 22.
The SCP 21 is mainly used to control the operation and charging of the service, obtain the intelligent service information that the monitoring center needs to monitor, determine whether the current intelligent call needs to be monitored, and make a relevant indication to the SSP 22; the SCP 21 and the SSP 22 interact with each other through an Intelligent Network Application Protocol (INAP) signaling.
The SSP 22 mainly makes calling and monitoring according to the indication of the SCP 21, and makes ISUP signaling interaction with the monitoring center 20 during the monitoring process, and establishes a speech path with the monitoring center.
Based on the system structure shown in fig. 2, the method for realizing intelligent network call monitoring of the present invention mainly comprises the following steps:
step a: the user dials the intelligent access code, the SSP triggers the corresponding intelligent service according to the received intelligent access code to obtain the information of the intelligent service, and the obtained information is reported to the SCP;
step b: SCP judges that the current intelligent service call needs monitoring according to the obtained intelligent service information and obtains a keyword corresponding to the intelligent service information;
here, the keyword corresponding to the intelligent service information is generally placed in a parameter indicating that monitoring is required in the CONNECT message.
Step c: SCP sends the key word corresponding to the intelligent service information to SSP, indicating SSP to connect the called party and monitoring the call;
step d: when the called rings, SSP starts monitoring, sends the information such as the calling number, the called number, the key word corresponding to the intelligent service information and the like to a monitoring center, and connects the monitoring speech path to the calling speech path.
The method further comprises, at the end of the call: when the user hangs up, the SSP removes the monitoring session.
The implementation of the invention is further described below with reference to the figures and specific embodiments.
The first embodiment is as follows:
in this embodiment, the intelligent service information is an intelligent network card number. The method for implementing call monitoring in the intelligent network in this embodiment is shown in fig. 3, and includes the following steps:
step 301: the user dials the intelligent access code, SSP triggers the intelligent network card number service after receiving the intelligent access code, and sends IDP message to SCP.
Here, the intelligent access code refers to a specific service number corresponding to an intelligent network card number service, such as: setting the service number corresponding to the intelligent network card number service as 16000, and then the intelligent access code is 16000.
Step 302: the SCP issues CTR, P & C to SSP, the user inputs number according to the prompt tone, and reports RR to SCP.
In this step, the input number refers to the type of language, the number of the intelligent network card, the password, etc. input by the user as required, and this step may be repeated many times.
Step 303: after SCP receives the information of intelligent network card number, it sends AC and RRBE.
Step 304: the SCP inquires the database according to the received intelligent network card number, determines whether the current received intelligent network card number is the intelligent network card number to be monitored, if so, the SCP obtains the key word corresponding to the intelligent network card number from the database.
And then, the SCP sends a CONNECT message with a correlation ID parameter to the SSP, wherein the correlation ID parameter has a key word corresponding to the current intelligent network card number.
The key words are generated in advance by the monitoring center and stored in the database, and for the intelligent network card number to be monitored, the monitoring center generates the key words corresponding to the intelligent network card number. The key word is corresponding to the intelligent network card number one by one, and the key word can be a character string, a number or a combination of the character string and the number.
The correlationID parameter is an optional parameter in the CONNECT operation and is used for indicating that the intelligent network card number currently used needs to be monitored, and the key corresponding to the intelligent network card number is also filled in the parameter.
Step 305: after receiving the CONNECT, the SSP finds that the CONNECT id parameter is carried, and then considers that the call needs to be monitored.
Then, when the called party rings, SSP starts the monitoring process, and sends the information such as the number of the called party and the key word corresponding to the intelligent network card number to the monitoring center through the Initial Address Message (IAM); the monitoring center returns an address receiving and completing message (ACM) and a called response message (ANM) and carries out speech path connection; the SSP then connects the listening session to the calling session so that the listening is started.
The corresponding relation between the intelligent network card number and the key word is generated by the monitoring center, so that the monitoring center can know which intelligent network card number is monitored through the key word and know the information of the calling number, the called number and the like.
Step 306: when the called party answers the call, since the calling party changes from ring back tone listening to the called party and the timeslot circuit connected to the calling party changes, the SSP needs to connect the timeslot circuit of the calling party and the called party to the listening circuit. Thus, the monitoring center starts monitoring the calling and called calls.
Step 307: when the user hangs up, namely the call is finished, the SSP sends a Release (REL) message to the monitoring center, the monitoring speech path is removed, the dialogue between the SSP and the SCP is released at the same time, and the monitoring process is finished.
Example two:
in this embodiment, the intelligent service information is a VPN number. The method for implementing call monitoring in the intelligent network in this embodiment is shown in fig. 4, and includes the following steps:
step 401: the user dials the intelligent access code, the SSP triggers the VPN service after receiving the intelligent access code, and the IDP message carrying the VPN number is sent to the SCP.
After receiving the IDP message, the SCP can acquire the VPN number, and the VPN number is uniformly distributed and managed by the SCP.
Step 402: SCP issues AC and RRBE.
Step 403-407: the process flow is substantially the same as the process flow of steps 303 to 308 in the first embodiment. Only the place where the intelligent network card number is used is replaced by the VPN number, such as: the monitoring center generates a keyword corresponding to the VPN number, and the SCP queries the database according to the VPN number and obtains the corresponding keyword and the like.
The only difference between this embodiment and the first embodiment is: the intelligent network card number is replaced by the VPN number, and the steps of playing and receiving the number are correspondingly reduced.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (10)
1. A method for implementing intelligent network call monitoring, the method comprising:
A. the user dials the intelligent access code, the service switching point SSP triggers the intelligent service corresponding to the intelligent access code, obtains the intelligent service information and reports the information to the service control point SCP;
B. SCP judges that the current intelligent service call needs monitoring according to the obtained intelligent service information and obtains a keyword corresponding to the intelligent service information;
C. SCP sends the key word corresponding to the intelligent service information to SSP, indicating SSP to connect the called party and monitoring the call; the keywords corresponding to the intelligent service information are placed in parameters which represent monitoring needs in the CONNECT message;
D. when the called rings, SSP starts monitoring, sends the information containing the calling and called numbers and the key words corresponding to the intelligent service information to the monitoring center, and connects the monitoring speech path to the calling speech path.
2. The method of claim 1, further comprising, after step D: when the user hangs up, the SSP removes the monitoring session.
3. The method of claim 1, further comprising: the monitoring center generates and stores keywords corresponding to the intelligent service information.
4. A method according to claim 1, 2 or 3, characterized in that the intelligent service information is an intelligent network card number;
the step B of obtaining the keyword corresponding to the intelligent service information specifically includes:
b11, SSP sends message of starting DP to SCP;
b12, SCP sends down and connects to resource CTR, prompts and collects user information P & C message to SSP, user inputs number according to prompt tone, and reports result to SCP;
b13, SCP receives the information including the intelligent network card number, and sends down the AC for applying charging and the request report BCSM event RRBE;
b14, SCP inquires database according to the received intelligent network card number, determines the current received intelligent network card number as the intelligent network card number to be monitored, and obtains the key word corresponding to the intelligent network card number from the database.
5. The method according to claim 4, wherein the step C specifically comprises: SCP sends CONNECT message with parameter correlation ID to be monitored to SSP, and the key word corresponding to the current intelligent network card number is placed in the correlation ID parameter.
6. The method according to claim 1, 2 or 3, characterized in that the intelligent service information is a Virtual Private Network (VPN) number;
the step B of obtaining the keyword corresponding to the intelligent service information specifically includes:
b21, SSP sends start DP message containing VPN number to SCP;
b22, SCP receives VPN number, and issues application charging AC and request report BCSM event RRBE;
b23, SCP inquires database according to the received VPN number, determines the VPN number as the one to be monitored, and obtains the key word corresponding to the VPN number from the database.
7. The method according to claim 6, wherein the step C specifically comprises: SCP sends CONNECT message with parameter correlation ID to be monitored to SSP, and the key word corresponding to current VPN number is placed in the correlation ID parameter.
8. A system for realizing intelligent network call monitoring is characterized in that the system comprises a monitoring center, an SCP and an SSP; wherein,
the monitoring center is used for generating intelligent service information to be monitored and keywords corresponding to the intelligent service information, sending the intelligent service information to SCP through the signaling of the mobile application part, carrying out signaling interaction of ISDN user part with SSP, and establishing a speech path with the SSP;
SCP for controlling operation and charging of service, obtaining intelligent service information to be monitored by monitoring center, determining whether current intelligent call needs monitoring, obtaining key word corresponding to intelligent service information and sending to SSP when monitoring is needed, indicating SSP to call and monitor; SCP and SSP are interacted through intelligent network application protocol signaling, and the key word corresponding to the intelligent service information is placed in the parameter which is indicated by the CONNECT message and needs to be monitored;
SSP, according to SCP indication making calling and monitoring, making ISUP signaling interaction with monitoring center and establishing speech path with monitoring center.
9. The system of claim 8, further comprising: and the database stores the keywords corresponding to the intelligent service information.
10. The system according to claim 8 or 9, wherein the intelligent service information is an intelligent network card number or a VPN number.
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| CN200710163109A CN100589592C (en) | 2007-10-08 | 2007-10-08 | Method and system of implementing intelligent network call monitoring |
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| CN200710163109A CN100589592C (en) | 2007-10-08 | 2007-10-08 | Method and system of implementing intelligent network call monitoring |
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| CN100589592C true CN100589592C (en) | 2010-02-10 |
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Granted publication date: 20100210 Termination date: 20161008 |