CN106131352A - A kind of call monitoring method, device, relevant device and system - Google Patents

Abstract

The embodiment of the present invention provides a kind of call monitoring method, device, relevant device and system, the method includes: PSTN gateway receives the monitoring request that PSTN terminal sends, described monitoring carries the call identification that described PSTN terminal request is monitored in request, and monitors checking information；The message comprising described call identification and monitoring checking information is forwarded to MSO；When described MSO is according to described monitoring checking information, determines when described PSTN terminal has the authority monitoring calling corresponding to described call identification, receive the voice calls that the described call identification being in call state of described MSO forwarding is corresponding；Described voice calls is transmitted to PSTN terminal.The embodiment of the present invention can realize the monitoring to PDT calling in PSTN end, the easy monitoring to PDT calling.

Description

A kind of call monitoring method, device, relevant device and system

Technical field

The present invention relates to communication technical field, be specifically related to a kind of call monitoring method, device, relevant device and system.

Background technology

Calling (as individual calling, group are exhaled) in PDT (Police Digital Trunking, police Digital Clustering) often has Monitored demand, monitors and refers to that the voice that PDT calls can monitored side listen to, and monitored side can't hear the language of monitoring side Sound.

Currently mainly being monitored the calling in PDT by dispatching desk, concrete, the voice calls of PDT can be forwarded To dispatching desk, to be monitored the calling in PDT by dispatching desk；But, dispatching desk is generally located on the control centre within private network, this Allow for carrying out the calling in PDT monitoring needing to carry out in specific position and scene, i.e. when being in non-scheduled center When staff has the demand monitoring PDT calling, staff needs to build dispatch environment temporarily, constructs temporary scheduling Platform, just can realize the monitoring to PDT calling, and this naturally there are bigger workload and difficulty.

Therefore, under non-scheduled environment, the easiest realizes the monitoring to PDT calling, becomes art technology The problem that personnel need to consider.

Summary of the invention

In view of this, the embodiment of the present invention provides a kind of call monitoring method, device, relevant device and system, with simplicity Realize to PDT calling monitoring.

For achieving the above object, the following technical scheme of embodiment of the present invention offer:

A kind of call monitoring method, is applied to PSTN gateway, and described method includes:

Receiving the monitoring request that PSTN terminal sends, described monitoring carries what described PSTN terminal request was monitored in request Call identification, and monitor checking information；

The message comprising described call identification and monitoring checking information is forwarded to MSO；

When described MSO is according to described monitoring checking information, determine that described PSTN terminal has the described call identification pair of monitoring During the authority of the calling answered, receive the voice calls that the described call identification being in call state that described MSO forwards is corresponding；

Described voice calls is transmitted to PSTN terminal.

Optionally, described monitoring checking information is that make an appointment with request monitoring call identification, and described PSTN is eventually The mark of end monitors password accordingly；

Described message also includes: the mark of described PSTN terminal.

Optionally, the voice calls that the described call identification being in call state of described reception described MSO forwarding is corresponding Including:

When the calling that described call identification is corresponding is in call state, receive the sound to described message of MSO feedback Answering information, carry the first mark in described response message, described first mark is for indicating the calling that described call identification is corresponding It is in call state；

Receive the voice calls that the described call identification of described MSO forwarding is corresponding.

Optionally, the voice calls that the described call identification being in call state of described reception described MSO forwarding is corresponding Including:

When the calling that described call identification is corresponding is not in call state, receive the sound to described message of MSO feedback Answering information, described response message to carry the second mark, described second mark is for indicating the calling that described call identification is corresponding It is not in call state；

The calling pointing out described PSTN terminal request to monitor is not initiated；

When the calling that described call identification is corresponding is initiated, receive the invitation message that described MSO sends；

Connect described PSTN terminal and to described MSO feedback link response message；

Receive the voice calls that the described call identification of described MSO forwarding is corresponding.

Optionally, described call monitoring method also includes:

Receive the intrusion request that described PSTN terminal sends；

Voice calls corresponding for described call identification is transmitted to described PSTN terminal, and by the voice of described PSTN terminal Proceeded in the calling that described call identification is corresponding by described MSO.

The embodiment of the present invention also provides for a kind of call monitoring method, is applied to PSTN terminal, and described method includes:

Sending, to PSTN gateway, the request of monitoring, described monitoring carries the calling that described PSTN terminal request is monitored in request Mark, and monitor checking information；

If described PSTN terminal has the authority monitoring calling corresponding to described call identification, receive described PSTN gateway Voice calls corresponding to the described call identification being in call state forwarded；

Play described voice calls.

Optionally, the calling that the described call identification being in call state of described reception described PSTN gateway forwarding is corresponding Voice includes:

When the calling that described call identification is corresponding is not in call state, receive exhaling of PSTN gateway prompting request monitoring Cry the information do not initiated, and on-hook；

When the calling that described call identification is corresponding is initiated, receive the connection request that described PSTN gateway sends；

It is connected with described PSTN gateway, and receives calling language corresponding to described call identification that described PSTN gateway forwards Sound.

Optionally, call monitoring method also includes:

Send intrusion to PSTN gateway and enter the request of calling corresponding to described call identification.

The embodiment of the present invention also provides for a kind of call monitoring method, it is characterised in that being applied to MSO, described method includes:

Receive the call identification comprising PSTN terminal institute request monitoring that PSTN gateway sends, and monitor disappearing of checking information Breath；

According to described monitoring checking information, it is judged that whether described PSTN terminal has monitoring corresponding the exhaling of described call identification The authority cried；

If so, voice calls corresponding for the described call identification being in call state is transmitted to described PSTN gateway.

The embodiment of the present invention also provides for a kind of call monitoring device, is applied to PSTN gateway, and described device includes:

Monitoring request receiver module, for receiving the monitoring request that PSTN terminal sends, described monitoring in request carries The call identification that described PSTN terminal request is monitored, and monitor checking information；

Message transmitting module, for being forwarded to mobile switch by the message comprising described call identification and monitoring checking information Office MSO；

Forwarded call speech reception module, for when described MSO is according to described monitoring checking information, determines that described PSTN is eventually When end has the authority monitoring calling corresponding to described call identification, receive described MSO forwarding is in the described of call state The voice calls that call identification is corresponding；

Voice calls forwarding module, for being transmitted to PSTN terminal by described voice calls.

The embodiment of the present invention also provides for a kind of PSTN gateway, and described PSTN gateway includes: processor；

Described processor is used for, and receives the monitoring request that PSTN terminal sends, carries described in described monitoring request The call identification that PSTN terminal request is monitored, and monitor checking information；Described call identification will be comprised and monitor checking information Message is forwarded to mobile station MSO；When described MSO is according to described monitoring checking information, determine that described PSTN terminal has prison When listening the authority of the calling that described call identification is corresponding, receive the described call identification being in call state that described MSO forwards Corresponding voice calls；Described voice calls is transmitted to PSTN terminal.

The embodiment of the present invention also provides for a kind of call monitoring device, is applied to PSTN terminal, and described device includes:

Monitoring request sending module, for sending, to PSTN gateway, the request of monitoring, carries described in described monitoring request The call identification that PSTN terminal request is monitored, and monitor checking information；

Voice calls receiver module, monitors calling corresponding to described call identification if had for described PSTN terminal Authority, receives the voice calls that the described call identification being in call state of described PSTN gateway forwarding is corresponding；

Voice calls playing module, is used for playing described voice calls.

The embodiment of the present invention also provides for a kind of PSTN terminal, and described PSTN terminal includes processor；

Described processor is used for, and sends, to PSTN gateway, the request of monitoring, and described monitoring carries described PSTN eventually in request The call identification of end request monitoring, and monitor checking information；If described PSTN terminal has monitoring, described call identification is corresponding The authority of calling, receive the voice calls that the described call identification being in call state that described PSTN gateway forwards is corresponding； Play described voice calls.

The embodiment of the present invention also provides for a kind of call monitoring system, including: PSTN terminal, PSTN gateway, and MSO；

Wherein, described PSTN terminal, for sending, to PSTN gateway, the request of monitoring, described monitoring request carry described The call identification that PSTN terminal request is monitored, and monitor checking information；If described PSTN terminal has monitoring described calling mark Know the authority of corresponding calling, receive the calling that the described call identification being in call state of described PSTN gateway forwarding is corresponding Voice；Play described voice calls；

Described PSTN gateway, is used for receiving described monitoring and asks, will comprise described call identification and monitor checking information Message is forwarded to described MSO；When described MSO is according to described monitoring checking information, determine that described PSTN terminal has monitoring described During the authority of the calling that call identification is corresponding, receive the described call identification being in call state that described MSO forwards corresponding Voice calls；Described voice calls is transmitted to PSTN terminal；

Described MSO, is used for receiving described message；According to described monitoring checking information, it is judged that whether described PSTN terminal has There is the authority monitoring calling corresponding to described call identification；When judged result is for being, the described calling of call state will be in The voice calls of mark correspondence is transmitted to described PSTN gateway.

Based on technique scheme, the call monitoring method that the embodiment of the present invention provides includes: receives PSTN terminal and sends Monitoring request, described monitor request in carry described PSTN terminal request monitor call identification, and monitor checking information； The message comprising described call identification and monitoring checking information is forwarded to MSO；When described MSO monitors checking letter according to described Breath, determines when described PSTN terminal has the authority monitoring calling corresponding to described call identification, receives the place that described MSO forwards In the voice calls that the described call identification of call state is corresponding；Described voice calls is transmitted to PSTN terminal, Jin Er PSTN end realizes the monitoring to PDT calling.In the call monitoring method that the embodiment of the present invention provides, PSTN gateway can be based on The request of PSTN terminal, monitors, to pre-configured having, the calling that the PSTN terminal of PDT call authority forwards the MSO of PDT to provide Voice, realize the monitoring to PDT calling in PSTN end, and carry out monitored call without building dispatch environment, and easy is right The monitoring of PDT calling.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to The accompanying drawing provided obtains other accompanying drawing.

The structured flowchart of the call monitoring system that Fig. 1 provides for the embodiment of the present invention；

The signaling process figure of the call monitoring method that Fig. 2 provides for the embodiment of the present invention；

The flow chart of the call monitoring method that Fig. 3 provides for the embodiment of the present invention；

The method flow diagram monitoring request that the reception PSTN terminal that Fig. 4 provides for the embodiment of the present invention sends；

Fig. 5 receives the method flow of the voice calls that MSO forwards for the PSTN gateway that the embodiment of the present invention provides；

The method flow diagram of the call break-in that Fig. 6 provides for the embodiment of the present invention；

Another flow chart of the call monitoring method that Fig. 7 provides for the embodiment of the present invention；

Fig. 8 receives the method flow diagram of voice calls for the PSTN terminal that the embodiment of the present invention provides；

Another flow chart of the call monitoring method that Fig. 9 provides for the embodiment of the present invention；

The structured flowchart of the call monitoring device that Figure 10 provides for the embodiment of the present invention；

The structured flowchart of the forwarded call speech reception module that Figure 11 provides for the embodiment of the present invention；

Another structured flowchart of the forwarded call speech reception module that Figure 12 provides for the embodiment of the present invention；

The hardware block diagram of the PSTN gateway that Figure 13 provides for the embodiment of the present invention；

Another structured flowchart of the call monitoring device that Figure 14 provides for the embodiment of the present invention；

The structured flowchart of the voice calls receiver module that Figure 15 provides for the embodiment of the present invention；

The hardware block diagram of the PSTN terminal that Figure 16 provides for the embodiment of the present invention.

Detailed description of the invention

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under not making creative work premise Embodiment, broadly falls into the scope of protection of the invention.

The structured flowchart of the call monitoring system that Fig. 1 provides for the embodiment of the present invention, call monitoring system shown in Fig. 1 can be used In implementing the call monitoring method that the embodiment of the present invention provides, with reference to Fig. 1, the call monitoring system that the embodiment of the present invention provides can To include: PSTN (Public Switched Telephone Network, public switch telephone network) terminal 1, the PSTN of PDT Gateway 2, the MSO (Mobile service Switching Office, mobile station) 3 of PDT；

Wherein, PSTN terminal 1 can be connected with the PSTN gateway 2 of PDT by PSTN network or general telephone network； PSTN terminal can be to have PSTN network or the base of general telephone network access function, cell phone, notebook computer Deng subscriber equipment；

Chain of command between the PSTN gateway 2 and MSO3 of PDT of PDT can use SIP (Session Initiation Protocol, session initiation protocol) protocol communication, user face can use RTP (Real-time Transport Protocol, RTP) protocol communication；I.e. can control letter by Session Initiation Protocol transmission order, message etc. between PSTN gateway and MSO Breath, between PSTN gateway and MSO, the transmission of voice then uses Real-time Transport Protocol to realize；

In embodiments of the present invention, PSTN terminal can pass through PSTN gateway calling in MSO request monitoring PDT；MSO exists When judging the authority that PSTN terminal has the calling that monitoring is asked, the corresponding voice calls being in call state can be passed through PSTN gateway is transmitted to PSTN terminal, realizes the monitoring to PDT calling in PSTN end；

The calling of indication herein is not limited to individual calling (intercommunication one to one in PDT), and group exhales that (in PDT, many people are a group pair Say) etc..

Based on call monitoring system shown in Fig. 1, Fig. 2 shows the signaling of the call monitoring method that the embodiment of the present invention provides Flow chart, shown in Fig. 1 and Fig. 2, this signaling process may include that

Step S10, PSTN terminal send, to PSTN gateway, the request of monitoring, and described monitoring in request carries request monitoring Call identification and monitoring checking information；

Optionally, PSTN terminal can dial-up connection PSTN gateway, after successful connection, PSTN terminal can pass through dial mode The call identification of input request monitoring；The call identification of the request monitoring such as individual calling number in PDT, group wail code etc.；

Monitoring checking information can be that make an appointment corresponding with request monitoring call identification to monitor password；This monitoring Password has the authority of calling corresponding to monitored call mark for representing；

Optionally, monitoring checking information can also be the call identification with request monitoring made an appointment, and described PSTN The mark of terminal monitors password accordingly；This monitoring password, for representing the PSTN terminal of correspondence, has monitored call mark right The authority of the calling answered；Concrete, call identification can corresponding multiple monitoring passwords, and one monitored the corresponding tool of password There is the PSTN terminal iidentification of monitoring right.

The message comprising described call identification and monitoring checking information is forwarded to MSO by step S11, described PSTN gateway；

Optionally, after PSTN gateway also can add the mark of described PSTN terminal within the message, this message is forwarded to The mark of MSO, PSTN terminal can be the number of PSTN terminal；I.e. PSTN gateway can will comprise described call identification, described The mark of PSTN terminal and the request of monitoring checking information are forwarded to MSO.

Step S12, described MSO are according to described monitoring checking information, it is judged that it is described whether described PSTN terminal has monitoring The authority of the calling that call identification is corresponding；

Optionally, MSO can determine whether identifying whether and the pre-configured terminal mark with monitoring right of described PSTN terminal Know correspondence, and described monitoring checking information whether correct (the most described monitoring checking information whether with the mark of described PSTN terminal, And described call identification is corresponding)；The mark of described PSTN terminal and the pre-configured terminal mark with monitoring right is judged at MSO Know correspondence, and when described monitoring checking information is correct, it is corresponding that MSO can determine that described PSTN terminal has the described call identification of monitoring The authority of calling, otherwise, assert that described PSTN terminal does not have the authority monitoring calling corresponding to described call identification.

Step S13, the most described MSO, by voice calls corresponding for the described call identification being in call state, is forwarded to Described PSTN gateway；

Optionally, if calling corresponding to presently described call identification is in call state, then corresponding can be exhaled by MSO Make voice be forwarded to PSTN gateway, PSTN gateway voice calls is transmitted to described PSTN terminal, it is achieved to voice calls Monitor；

Optionally, if calling corresponding to presently described call identification is not in call state, then MSO is recordable described The mark of PSTN terminal, and the call identification that described PSTN terminal request is monitored；Afterwards, MSO can regularly or in real time detect described Whether the calling that call identification is corresponding is in call state, and when being in call state, notifies PSTN gateway, and at PSTN net Close after connecting described PSTN terminal, corresponding voice calls is forwarded to PSTN gateway, PSTN gateway voice calls is forwarded To described PSTN terminal, it is achieved the monitoring to voice calls.

Described voice calls is transmitted to PSTN terminal by step S14, described PSTN gateway.

Voice calls described in step S15, described PSTN terminal plays.

Visible, based on signaling process shown in Fig. 2, the embodiment of the present invention can monitor PDT calling by pre-configured having The PSTN terminal of authority, realizes the monitoring of PDT calling, removes under non-scheduled environment, build grooming ring in PSTN end The process of PDT calling is monitored in border, the easy monitoring to PDT calling.

Optionally, on the basis of realizing the monitoring to PDT calling, PSTN terminal can ask intrusion to enter described call identification (as PSTN terminal can be on the basis of monitoring, by hooking operation requests intrusion) in corresponding calling, accordingly, PSTN gateway The voice of described PSTN terminal can be proceeded in the calling that described call identification is corresponding by MSO；Intrusion refers to the language that PDT calls Sound can monitored side listen to, and monitored side also can hear the voice of monitoring side；

Optionally, PSTN terminal also can realize the release to intrusion by operations such as hookings.

Below with the angle of PSTN gateway, the call monitoring method providing the embodiment of the present invention is introduced, and hereafter retouches The call monitoring method stated can be with above-described signaling process content mutually to should refer to.

The flow chart of the call monitoring method that Fig. 3 provides for the embodiment of the present invention, the method can be applicable to PSTN gateway, ginseng According to Fig. 3, the method may include that

The monitoring request that step S100, reception PSTN terminal send, described monitoring in request carries described PSTN terminal The call identification of request monitoring, and monitor checking information；

Optionally, PSTN gateway can first receive the connection request that described PSTN terminal sends, described in PSTN gateway response Connection request, after setting up the connection with described PSTN terminal, described PSTN terminal can send described monitoring to described PSTN gateway Request, so that described PSTN gateway receives described monitoring and asks；

Optionally, PSTN gateway, after being connected with the foundation of described PSTN terminal, can point out PSTN terminal to input request monitoring Call identification, after the call identification receiving the request monitoring that PSTN terminal sends, PSTN gateway can reresent PSTN eventually Checking information is monitored in end input, and then receives the monitoring checking information of PSTN terminal input；Therefore, PSTN gateway receives PSTN The monitoring request that terminal sends can be divided into two processes: first receives the call identification of the request monitoring that PSTN terminal sends, then Receive the monitoring checking information that PSTN terminal sends；

Optionally, on the other hand, PSTN gateway, after being connected with the foundation of described PSTN terminal, can point out PSTN terminal to input The call identification of request monitoring and monitoring checking information so that PSTN terminal sends call identification and the monitoring of request monitoring simultaneously Checking information, corresponding, PSTN gateway can receive the call identification of described request monitoring simultaneously and monitor checking information；

Monitoring checking information can be that make an appointment corresponding with request monitoring call identification to monitor password；Can also For the call identification with request monitoring made an appointment, and the mark of described PSTN terminal monitors password accordingly；

The call identification of request monitoring can be the individual calling number in PDT, group catchword code etc.；

Optionally, PSTN gateway the prompting of PSTN terminal can be passed through IVR (Interactive Voice Response, Interactive voice answering) voice realization.

Step S110, by comprise described call identification and monitor checking information message be forwarded to MSO；

Optionally, the chain of command between PSTN gateway and MSO can use Session Initiation Protocol, and PSTN gateway is receiving described asking After seeking call identification and the monitoring checking information of monitoring, sip message can be set up and be transmitted to MSO, this sip message can comprise institute State call identification and monitor checking information；

Optionally, if monitoring the call identification of checking information and request monitoring, and the mark of described PSTN terminal is corresponding； The most described message is gone back the mark of PSTN terminal described in portability.

Step S120, when described MSO is according to described monitoring checking information, determine that described PSTN terminal has described in monitoring and exhale When being the authority of calling of mark correspondence, receive corresponding the exhaling of described call identification being in call state that described MSO forwards It is voice；

Optionally, when described PSTN terminal has the authority monitoring calling corresponding to described call identification, if currently The calling that described call identification is corresponding is in call state, then corresponding voice calls can be forwarded to PSTN gateway by MSO, by Voice calls is transmitted to described PSTN terminal by PSTN gateway, it is achieved the monitoring to voice calls；

If the calling that presently described call identification is corresponding is not in call state, then MSO can timing or detect institute in real time State whether calling corresponding to call identification is in call state, and when being in call state, notify institute by SIP invitation message Stating PSTN gateway, described PSTN gateway can connect described PSTN terminal based on described SIP invitation message, and then receives MSO forwarding Voice calls corresponding to described call identification.

Step S130, described voice calls is transmitted to PSTN terminal.

The call monitoring method that the embodiment of the present invention provides includes: receive the monitoring request that PSTN terminal sends, described prison Listen and request carries the call identification that described PSTN terminal request is monitored, and monitor checking information；Described calling mark will be comprised Know and the message of monitoring checking information is forwarded to MSO；When described MSO is according to described monitoring checking information, determine that described PSTN is eventually When end has the authority monitoring calling corresponding to described call identification, receive described MSO forwarding is in the described of call state The voice calls that call identification is corresponding；Described voice calls is transmitted to PSTN terminal, and then realizes PDT in PSTN end The monitoring of calling.In the call monitoring method that the embodiment of the present invention provides, PSTN gateway can be based on the request of PSTN terminal, in advance The voice calls that the PSTN terminal of PDT call authority forwards the MSO of PDT to provide is monitored in having of configuration, real in PSTN end Now the monitoring to PDT calling, and carrys out monitored call without building dispatch environment, the easy monitoring to PDT calling.

Optionally, Fig. 4 shows the method stream monitoring request that the reception PSTN terminal that the embodiment of the present invention provides sends Cheng Tu, the method foundation is on the basis of PSTN terminal is connected with PSTN gateway foundation, and optionally, PSTN terminal can dial PSTN Gateway number, it is achieved with the connection establishment of PSTN gateway；

With reference to Fig. 4, the process receiving the request of monitoring may include that

Step S200, with PSTN terminal set up is connected after, prompting PSTN terminal input request monitoring call identification；

Optionally, PSTN gateway can dial PSTN gateway number in PSTN terminal, after both set up connection, by IVR language The call identification of sound prompting PSTN terminal input request monitoring.

Step S210, receive described PSTN terminal send first request, described first request in carry request monitoring Call identification；

PSTN terminal can input agreement on keyboard and monitor button (such as # or *) and the call identification of request monitoring, this agreement Monitor button for representing the call identification that heel content is request monitoring；

And then PSTN gateway can receive agreement and monitor the combined arrangement (the first request) of button and call identification, based on the One request can analyze agreement and monitor the call identification that content is request monitoring of button heel.

Checking information is monitored in step S220, prompting PSTN terminal input；

PSTN gateway, can be by IVR voice message PSTN terminal input prison after receiving the call identification of request monitoring Listen checking information.

Step S230, receive described PSTN terminal send second request, described second request in carry monitoring checking Information.

PSTN terminal can input monitoring checking information on keyboard, and represents information end of input with agreement end key, As terminated with # key；Then PSTN gateway can receive the second request that the checking information of monitoring inputted by PSTN terminal generates, from Second request analyzes monitoring checking information；

Monitor the monitoring password that checking information can be a string character composition, this monitoring password and the calling mark of request monitoring The corresponding relation known with predefined, and can pass through network management configuration in a communications system；Further, this monitoring password also can with please Ask the call identification of monitoring and the mark of described PSTN terminal to set up corresponding relation, after this corresponding relation is set up, webmaster can be passed through It is pre-configured with in a communications system；

It can be seen that the process that PSTN gateway receives the request of monitoring can be divided into first reception the first request, receive second afterwards The process of request.

Obviously, after being connected with the foundation of PSTN terminal, PSTN gateway can point out PSTN terminal input request monitoring simultaneously Call identification and monitoring checking information；Accordingly, PSTN terminal can be by the call identification of input through keyboard request monitoring and monitoring Checking information so that PSTN gateway is simultaneously received the call identification of request monitoring and monitors checking information；

Concrete, PSTN terminal can input agreement and monitor the call identification+monitoring checking information of button+request monitoring+about Determine the content of end key；Optionally, the call identification of the request monitoring that PSTN terminal is inputted, and monitor between checking information The blank character (such as # etc.) of agreement can be added.

PSTN gateway is receiving the call identification of request monitoring, and after monitoring checking information, can send to PSTN terminal Dialing tone, and the message comprising described call identification and monitoring checking information is transmitted to MSO, MSO judge that described PSTN is eventually Whether end has the authority monitoring calling corresponding to described call identification；

MSO can inquire about the monitoring password that described call identification that webmaster is pre-configured with is corresponding, in described monitoring checking information During corresponding with described call identification monitoring password match, determine that described PSTN terminal has the described call identification of monitoring corresponding The authority of calling.

Further, PSTN gateway is receiving the call identification of request monitoring, and after monitoring checking information, can be sent to The message of MSO is added the mark of described PSTN terminal；Described call identification, the mark of described PSTN terminal will be comprised, and The message monitoring checking information is transmitted to MSO, MSO judge whether described PSTN terminal has the described call identification of monitoring corresponding The authority of calling；

MSO can inquire about the terminal mark with the authority monitoring calling corresponding to described call identification that webmaster is pre-configured with Know, described PSTN terminal mark corresponding with the terminal iidentification being pre-configured with, and described monitoring checking information be pre-configured with The mark of described PSTN terminal and during monitoring password match corresponding to described call identification, determine that described PSTN terminal has prison Listen the authority of the calling that described call identification is corresponding.

Optionally, if MSO judges that described PSTN terminal has the authority monitoring calling corresponding to described call identification, then MSO can be to PSTN gateway feedback response information (such as SIP200Ok).

After judging the authority that described PSTN terminal has calling corresponding to the described call identification of monitoring, described call identification Corresponding calling may be in call state, it is also possible to is not at call state；

When the calling that described call identification is corresponding is in call state, MSO can be in the response fed back to PSTN gateway Carrying the first mark in information, the first mark is used for indicating the calling that described call identification is corresponding to be in call state, and (first Mark is such as calling), meanwhile, voice calls corresponding for described call identification can be transmitted to PSTN gateway, PSTN gateway by MSO And then can stop to PSTN terminal Sending dialled number sound, then forward, to PSTN terminal, the voice calls that described call identification is corresponding；

When the calling that described call identification is corresponding is not in call state, MSO can be in the response fed back to PSTN gateway Carrying the second mark in information, the second mark is used for indicating the calling that described call identification is corresponding to be not in call state, and (second Mark is such as IDLE), and then PSTN gateway can stop to PSTN terminal Sending dialled number sound, and exhale to described in described PSTN terminal notifying The calling making mark corresponding is not initiated；Optionally, PSTN gateway can " calling of monitoring be not by IVR voice message PSTN terminal Initiate, please hang up wait " etc. content.

Optionally, Fig. 5 shows when the calling that described call identification is corresponding is not in call state, and PSTN gateway receives The method flow of the voice calls that MSO forwards, with reference to Fig. 5, the method may include that

Step S300, the response message of reception MSO feedback, described response message carries the second mark, described second mark Know for indicating the calling that described call identification is corresponding to be not in call state；

Step S310, the calling pointing out described PSTN terminal request to monitor are not initiated；

Step S320, when calling corresponding to described call identification is initiated, receive the invitation message that described MSO sends；

After PSTN gateway feedback response information, MSO can monitor whether calling corresponding to described call identification is initiated, and When the calling that described call identification is corresponding is initiated, by SIP INVITE (invitation) the message informing PSTN gateway of extension.

Step S330, connect described PSTN terminal and to described MSO feedback link response message；

Described PSTN terminal can be dialled, when PSTN terminal connects by PSTN gateway based on the mark of described PSTN terminal After Tong, PSTN gateway can send the connection response information of 200OK to MSO.

Step S340, receive voice calls corresponding to described call identification that described MSO forwards.

After MSO receives connection response information, PSTN gateway can be specified and be connected with PSTN terminal, thus by described calling The voice calls of mark correspondence is transmitted to PSTN gateway, PSTN gateway described voice calls is transmitted to described PSTN more eventually End.

Optionally, on the basis of realizing call monitoring, PSTN terminal can also carry out intrusion and intrusion by hooking The operation whether discharged；Accordingly, Fig. 6 shows the method flow diagram of call break-in, and with reference to Fig. 6, the method may include that

Step S400, receive described PSTN terminal send intrusion request；

Intrusion request can be realized by the hooking operation of PSTN terminal.

Step S410, voice calls corresponding for described call identification is transmitted to described PSTN terminal, and by described PSTN The voice of terminal is proceeded in the calling that described call identification is corresponding by described MSO.

The embodiment of the present invention can realize the monitoring to PDT calling and intrusion in PSTN end, it is not necessary to builds dispatch environment Monitor and call break-in, the easy monitoring to PDT calling and intrusion.

Below with the angle of PSTN terminal, the call monitoring method providing the embodiment of the present invention is introduced, and hereafter retouches The call monitoring method stated can with signaling process content above, and with PSTN gateway angle describe call monitoring method mutual To should refer to.

Another flow chart of the call monitoring method that Fig. 7 provides for the embodiment of the present invention, the method can be applicable to PSTN eventually End, with reference to Fig. 7, the method may include that

Step S500, to PSTN gateway send monitor request, described monitor request in carry described PSTN terminal request The call identification monitored, and monitor checking information；

Optionally, PSTN terminal, after being connected with PSTN gateway foundation, can based on PSTN gateway input request monitoring be exhaled Cry the prompting of mark, send the first request of the call identification carrying request monitoring to PSTN gateway, then based on PSTN gateway The prompting of checking information is monitored in input, sends to PSTN gateway and carries the second request monitoring checking information, thus realizes prison Listen and ask the transmission to PSTN gateway；

Optionally, PSTN terminal is after being connected with PSTN gateway foundation, it is possible to prompting based on PSTN gateway, sends simultaneously The call identification of request monitoring and monitoring checking information.

If step S510 described PSTN terminal has the authority monitoring calling corresponding to described call identification, receive institute State the voice calls that the described call identification being in call state of PSTN gateway forwarding is corresponding；

Step S520, play described voice calls.

Optionally, whether described PSTN terminal has the authority monitoring calling corresponding to described call identification, can be by PDT's MSO judges；

When MSO judges that described PSTN terminal has the authority of calling corresponding to the described call identification of monitoring, and described calling When the calling of mark correspondence is in call state, voice calls corresponding for described call identification can be transmitted to PSTN net by MSO Close, PSTN gateway more corresponding voice calls is transmitted to described PSTN terminal；

When MSO judges that described PSTN terminal has the authority of calling corresponding to the described call identification of monitoring, and described calling When calling corresponding to mark is not in call state, PSTN terminal receive voice calls process can as shown in Figure 8, including:

The information that step S600, the calling of reception PSTN gateway prompting request monitoring are not initiated, and on-hook；

Step S610, when calling corresponding to described call identification is initiated, receiving connection that described PSTN gateway sends please Ask；

Step S620 is connected with described PSTN gateway, and receives the described call identification correspondence that described PSTN gateway forwards Voice calls.

Optionally, PSTN terminal is on the basis of realizing call monitoring, it is also possible to carry out intrusion and intrusion by hooking The operation whether discharged；Concrete, PSTN terminal can send intrusion to PSTN gateway and enter calling corresponding to described call identification Request.

Below with the angle of MSO, the call monitoring method providing the embodiment of the present invention is introduced, and described below exhales Cry monitor method can with signaling process content above, with PSTN gateway angle, with PSTN terminal point describe call monitoring Method is mutually to should refer to.

Another flow chart of the call monitoring method that Fig. 9 provides for the embodiment of the present invention, the method can be applicable to MSO, ginseng According to Fig. 9, the method may include that

The call identification comprising PSTN terminal institute request monitoring that step 700, reception PSTN gateway send, and monitor checking The message of information；

Step S710, according to described monitoring checking information, it is judged that described PSTN terminal whether have monitoring described calling mark Know the authority of corresponding calling；

Optionally, MSO can inquire about the monitoring password that described call identification that webmaster is pre-configured with is corresponding, tests in described monitoring During the card information monitoring password match corresponding with described call identification, determine that described PSTN terminal has the described call identification of monitoring The authority of corresponding calling

Optionally, can also include the mark of PSTN terminal in described message, what MSO can inquire about that webmaster is pre-configured with has Monitor the terminal iidentification of the authority of calling corresponding to described call identification, at mark and the end being pre-configured with of described PSTN terminal End mark correspondence, and described monitoring checking information is corresponding with the mark of the described PSTN terminal being pre-configured with and described call identification Monitoring password match time, determine that described PSTN terminal has the authority monitoring calling corresponding to described call identification.

Step S720, if so, voice calls corresponding for the described call identification being in call state is transmitted to described PSTN gateway.

After judging the authority that described PSTN terminal has calling corresponding to the described call identification of monitoring, when described calling mark When the calling of knowledge correspondence is in call state, MSO can carry the first mark in the response message that PSTN gateway feeds back, the One mark is used for indicating the calling that described call identification is corresponding to be in call state, (the first mark is such as calling), meanwhile, Voice calls corresponding for described call identification can be transmitted to PSTN gateway by MSO；

When the calling that described call identification is corresponding is not in call state, MSO can be in the response fed back to PSTN gateway Carrying the second mark in information, the second mark is used for indicating the calling that described call identification is corresponding to be not in call state, and (second Mark is such as IDLE), meanwhile, MSO can monitor whether calling corresponding to described call identification is initiated, and corresponding at described call identification Calling when initiating, by the invitation message notice PSTN gateway of extension, and then connect after PSTN terminal at described PSTN gateway, Voice calls corresponding for described call identification is forwarded to described PSTN gateway.

The application examples provided the embodiment of the present invention below is introduced, and with the monitoring exhaling the group in PDT and intrusion is Example, its concrete application process can be such that

PSTN user dials PSTN gateway number by PSTN terminal, after hearing the IVR voice of PSTN gateway, and PSTN user The group catchword code monitoring button (such as # or *)+monitoring with agreement can be dialled on the keyboard of PSTN terminal；

By this monitoring button, PSTN gateway judges that the business of PSTN terminal request is monitoring service, the PDT of request monitoring It is the number that agreement monitors button heel that group wails code；

PSTN gateway sends IVR voice to PSTN terminal, and password is monitored in prompting input；This monitor password and PSTN terminal and The group monitored is wailed the corresponding relation of code and is pre-configured with in systems by webmaster；

PSTN user can input monitoring password on the keyboard of PSTN terminal, terminates with # key；

PSTN gateway, to PSTN terminal Sending dialled number sound, sends sip message simultaneously and carries out monitoring bindings, SIP to MSO The group carrying monitoring in message wails code, the PSTN termination number of caller, monitors password；

The PSTN user right of MSO inquiry network management configuration, if the PSTN termination number of caller has authority and monitors close Code is correct, then respond SIP 200Ok to PSTN gateway；

If now exhaling and be in call state for this monitored group, then 200OK carries calling field, simultaneously to PSTN Gateway forwards organizes vocative expression sound accordingly；Accordingly, PSTN gateway stops dialing tone, to PSTN terminal forwarding group vocative expression sound；

If now exhaling and be not in call state for this monitored group, then MSO is carrying in the 200OK that PSTN gateway is responded IDLE identifies；Accordingly, PSTN gateway stops dialing tone, to the IVR of PSTN terminal plays " group is exhaled and do not initiated, and please hang up wait " Voice, PSTN user's on-hook waits；

Accordingly, whether monitored group of MSO monitoring is exhaled and is initiated, and when exhaling initiation for monitored group, MSO is by the SIP of extension INVITE notice PSTN gateway, PSTN terminal is dialled by PSTN gateway, after PSTN terminal picks up, PSTN gateway to MSO sends 200OK；

After MSO receives this 200OK, forwarding corresponding group vocative expression sound to PSTN gateway, PSTN gateway forwards to PSTN terminal This group vocative expression sound, this group vocative expression sound of PSTN terminal plays, it is achieved the monitoring that group in PDT is exhaled.

The operation that PSTN terminal can also carry out intrusion by hooking and whether intrusion discharges, and operating result is by PSTN Gateway notifies PSTN terminal by prompt tone；

If user's on-hook, represent that this monitoring, intrusion operation terminate.

The call monitoring device that embodiment of the present invention offer is applied to PSTN gateway below is introduced, and is described below Call monitoring device to may be considered PSTN gateway be to realize the required functional module framework arranged of call monitoring；It is described below Call monitoring device can be with method flow above mutually to should refer to.

The structured flowchart of the call monitoring device that Figure 10 provides for the embodiment of the present invention, this call monitoring device can be applicable to PSTN gateway, with reference to Figure 10, this device may include that

Monitoring request receiver module 100, for receiving the monitoring request that PSTN terminal sends, described monitoring in request is carried There is the call identification that described PSTN terminal request is monitored, and monitor checking information；

Message transmitting module 110, for being forwarded to MSO by the message comprising described call identification and monitoring checking information；

Forwarded call speech reception module 120, for when described MSO is according to described monitoring checking information, determines described When PSTN terminal has the authority monitoring calling corresponding to described call identification, receive described MSO forwarding is in call state Voice calls corresponding to described call identification；

Voice calls forwarding module 130, for being transmitted to PSTN terminal by described voice calls.

Optionally, described monitoring checking information is that make an appointment with request monitoring call identification, and described PSTN is eventually The mark of end monitors password accordingly；

Described message also includes: the mark of described PSTN terminal.

Optionally, Figure 11 shows the optional structured flowchart of forwarded call speech reception module 120, with reference to Figure 11, forwards Voice calls receiver module 120 may include that

Response message first receives unit 1211, for being in call state when the calling that described call identification is corresponding Time, receive the response message to described message of MSO feedback, described response message is carried the first mark, described first mark For indicating the calling that described call identification is corresponding to be in call state；

Voice calls receives the first performance element 1212, corresponding for receiving the described call identification of described MSO forwarding Voice calls.

Optionally, Figure 12 shows another optional structured flowchart of forwarded call speech reception module 120, with reference to Figure 12, Forwarded call speech reception module 120 may include that

Response message second receives unit 1221, for being not in call state when the calling that described call identification is corresponding Time, receiving the response message to described message of MSO feedback, described response message carries the second mark, described second mark For indicating the calling that described call identification is corresponding to be not in call state；

Tip element 1222, does not initiates for the calling pointing out described PSTN terminal request to monitor；

Invitation message receives unit 1223, when the calling corresponding at described call identification is initiated, receives described MSO and sends out The invitation message sent；

Connect terminal unit 1224, be used for connecting described PSTN terminal and to described MSO feedback link response message；

Voice calls receives the second performance element 1225, corresponding for receiving the described call identification of described MSO forwarding Voice calls.

Optionally, this call monitoring device can also receive the intrusion request that described PSTN terminal sends；By described calling The voice calls of mark correspondence is transmitted to described PSTN terminal, and by described MSO, the voice of described PSTN terminal is proceeded to institute State in the calling that call identification is corresponding.

Optionally, Figure 13 shows the hardware block diagram of PSTN gateway, and with reference to Figure 13, this PSTN gateway may include that Processor 1, communication interface 2, memorizer 3 and communication bus 4；

Wherein processor 1, communication interface 2, memorizer 3 complete mutual communication by communication bus 4；

In PSTN gateway, mainly can realize call monitoring function by processor, this processor is particularly used in: receive The monitoring request that PSTN terminal sends, described monitoring carries the call identification that described PSTN terminal request is monitored in request, and Monitor checking information；The message comprising described call identification and monitoring checking information is forwarded to mobile station MSO；When described MSO, according to described monitoring checking information, determines that described PSTN terminal has the authority monitoring calling corresponding to described call identification Time, receive the voice calls that the described call identification being in call state of described MSO forwarding is corresponding；Described voice calls is turned Issue PSTN terminal.

The call monitoring device that embodiment of the present invention offer is applied to PSTN terminal below is introduced, and is described below Call monitoring device to may be considered PSTN terminal be to realize the required functional module framework arranged of call monitoring；It is described below Call monitoring device can be with method flow above mutually to should refer to.

Another structured flowchart of the call monitoring device that Figure 14 provides for the embodiment of the present invention, this call monitoring device can be answered For PSTN terminal, with reference to Figure 14, this device may include that

Monitoring request sending module 200, for sending, to PSTN gateway, the request of monitoring, described monitoring in request is carried State the call identification that PSTN terminal request is monitored, and monitor checking information；

Voice calls receiver module 210, if having monitoring corresponding the exhaling of described call identification for described PSTN terminal The authority cried, receives the voice calls that the described call identification being in call state of described PSTN gateway forwarding is corresponding；

Voice calls playing module 220, is used for playing described voice calls.

Optionally, Figure 15 shows the optional structure of voice calls receiver module 210, and with reference to Figure 15, voice calls receives Module 210 may include that

Information receives unit 211, for when the calling that described call identification is corresponding is not in call state, receives The information that the calling of PSTN gateway prompting request monitoring is not initiated, and on-hook；

Connection request receives unit 212, for when calling corresponding to described call identification is initiated, receiving described PSTN net Close the connection request sent；

Connect and receive unit 213, for being connected with described PSTN gateway, and receiving the described of described PSTN gateway forwarding The voice calls that call identification is corresponding.

Optionally, PSTN terminal can be additionally used in, and sends intrusion to PSTN gateway and enters calling corresponding to described call identification Request.

Optionally, Figure 16 shows the hardware block diagram of PSTN terminal, and with reference to Figure 16, this PSTN terminal may include that Processor 1 ', communication interface 2 ', memorizer 3 ' and communication bus 4 '；

Wherein processor 1 ', communication interface 2 ', memorizer 3 ' complete mutual communication by communication bus 4 '；

In PSTN gateway, mainly can realize call monitoring function by processor 1 ', this processor 1 ' is particularly used in: Sending, to PSTN gateway, the request of monitoring, described monitoring carries the call identification that described PSTN terminal request is monitored in request, and Monitor checking information；If described PSTN terminal has the authority monitoring calling corresponding to described call identification, receive described Voice calls corresponding to the described call identification being in call state that PSTN gateway forwards；Play described voice calls.

The embodiment of the present invention may also provide the hardware configuration of a kind of MSO, this MSO and can also may be used in MSO with Figure 13 shown type Arranging processor, this processor is mainly used in, and the PSTN terminal that comprises receiving the transmission of public switch telephone network PSTN gateway is asked Seek the call identification of monitoring, and monitor the message of checking information；According to described monitoring checking information, it is judged that described PSTN terminal is No have the authority monitoring calling corresponding to described call identification；If the judged result of described authority judge module is yes, at general It is transmitted to described PSTN gateway in the voice calls that the described call identification of call state is corresponding.

The call monitoring system provided the embodiment of the present invention below is introduced, and the structure of this call monitoring system can be such as Shown in Fig. 1, including: PSTN terminal, PSTN gateway, and MSO；

Wherein, described PSTN terminal, for sending, to PSTN gateway, the request of monitoring, described monitoring request carry described The call identification that PSTN terminal request is monitored, and monitor checking information；If described PSTN terminal has monitoring described calling mark Know the authority of corresponding calling, receive the calling that the described call identification being in call state of described PSTN gateway forwarding is corresponding Voice；Play described voice calls；

Described PSTN gateway, is used for receiving described monitoring and asks, will comprise described call identification and monitor checking information Message is forwarded to described MSO；When described MSO is according to described monitoring checking information, determine that described PSTN terminal has monitoring described During the authority of the calling that call identification is corresponding, receive the described call identification being in call state that described MSO forwards corresponding Voice calls；Described voice calls is transmitted to PSTN terminal；

Described MSO, is used for receiving described message；According to described monitoring checking information, it is judged that whether described PSTN terminal has There is the authority monitoring calling corresponding to described call identification；When judged result is for being, the described calling of call state will be in The voice calls of mark correspondence is transmitted to described PSTN gateway.

The call monitoring system that the embodiment of the present invention provides, the monitoring that in the realization of PSTN end, PDT can be called, and nothing Dispatch environment need to be built carry out monitored call, the easy monitoring to PDT calling

In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is and other The difference of embodiment, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment For, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, relevant part sees method part and says Bright.

Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes And algorithm steps, it is possible to electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and The interchangeability of software, the most generally describes composition and the step of each example according to function.These Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not Think beyond the scope of this invention.

The method described in conjunction with the embodiments described herein or the step of algorithm can direct hardware, processor be held The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, depositor, hard disk, moveable magnetic disc, CD-ROM or technology In any other form of storage medium well known in field.

Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention. Multiple amendment to these embodiments will be apparent from for those skilled in the art, as defined herein General Principle can realize without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention It is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein and features of novelty phase one The widest scope caused.

Claims (14)

1. a call monitoring method, it is characterised in that be applied to public switch telephone network PSTN gateway, described method includes:

Receiving the monitoring request that PSTN terminal sends, described monitoring carries the calling that described PSTN terminal request is monitored in request Mark, and monitor checking information；

The message comprising described call identification and monitoring checking information is forwarded to mobile station MSO；

When described MSO is according to described monitoring checking information, determine that described PSTN terminal has the described call identification of monitoring corresponding During the authority called, receive the voice calls that the described call identification being in call state of described MSO forwarding is corresponding；

Described voice calls is transmitted to PSTN terminal.

Call monitoring method the most according to claim 1, it is characterised in that described monitoring checking information is make an appointment With the call identification of request monitoring, and the mark of described PSTN terminal monitors password accordingly；

Described message also includes: the mark of described PSTN terminal.

Call monitoring method the most according to claim 1, it is characterised in that being in that the described MSO of described reception forwards is exhaled The voice calls making the described call identification of state corresponding includes:

When the calling that described call identification is corresponding is in call state, the response to described message receiving MSO feedback is believed Breath, carries the first mark in described response message, described first mark is for indicating the calling that described call identification is corresponding just to locate In call state；

Receive the voice calls that the described call identification of described MSO forwarding is corresponding.

Call monitoring method the most according to claim 1, it is characterised in that being in that the described MSO of described reception forwards is exhaled The voice calls making the described call identification of state corresponding includes:

When the calling that described call identification is corresponding is not in call state, the response to described message receiving MSO feedback is believed Breath, described response message carries the second mark, and described second mark is for indicating at the calling that described call identification is corresponding In call state；

The calling pointing out described PSTN terminal request to monitor is not initiated；

When the calling that described call identification is corresponding is initiated, receive the invitation message that described MSO sends；

Connect described PSTN terminal and to described MSO feedback link response message；

Receive the voice calls that the described call identification of described MSO forwarding is corresponding.

Call monitoring method the most according to claim 1, it is characterised in that also include:

Receive the intrusion request that described PSTN terminal sends；

Voice calls corresponding for described call identification is transmitted to described PSTN terminal, and the voice of described PSTN terminal is passed through Described MSO proceeds in the calling that described call identification is corresponding.

6. a call monitoring method, it is characterised in that be applied to public switch telephone network PSTN terminal, described method includes:

Sending, to PSTN gateway, the request of monitoring, described monitoring carries the calling mark that described PSTN terminal request is monitored in request Know, and monitor checking information；

If described PSTN terminal has the authority monitoring calling corresponding to described call identification, receive described PSTN gateway and forward Voice calls corresponding to the described call identification being in call state；

Play described voice calls.

Call monitoring method the most according to claim 6, it is characterised in that the place that the described PSTN gateway of described reception forwards The voice calls corresponding in the described call identification of call state includes:

When the calling that described call identification is corresponding is not in call state, receive the calling of PSTN gateway prompting request monitoring not The information initiated, and on-hook；

When the calling that described call identification is corresponding is initiated, receive the connection request that described PSTN gateway sends；

It is connected with described PSTN gateway, and receives voice calls corresponding to described call identification that described PSTN gateway forwards.

Call monitoring method the most according to claim 6, it is characterised in that also include:

Send intrusion to PSTN gateway and enter the request of calling corresponding to described call identification.

9. a call monitoring method, it is characterised in that be applied to mobile station MSO, described method includes:

Receive the call identification comprising PSTN terminal institute request monitoring that public switch telephone network PSTN gateway sends, and monitoring is tested The message of card information；

According to described monitoring checking information, it is judged that whether described PSTN terminal has is monitored calling corresponding to described call identification Authority；

If so, voice calls corresponding for the described call identification being in call state is transmitted to described PSTN gateway.

10. a call monitoring device, it is characterised in that be applied to PSTN gateway, described device includes:

Monitoring request receiver module, for receiving the monitoring request that PSTN terminal sends, carries described in described monitoring request The call identification that PSTN terminal request is monitored, and monitor checking information；

Message transmitting module, for being forwarded to mobile station by the message comprising described call identification and monitoring checking information MSO；

Forwarded call speech reception module, for when described MSO is according to described monitoring checking information, determines that described PSTN terminal has When having the authority monitoring calling corresponding to described call identification, receive the described calling being in call state that described MSO forwards The voice calls that mark is corresponding；

Voice calls forwarding module, for being transmitted to PSTN terminal by described voice calls.

11. 1 kinds of PSTN gateway, it is characterised in that described PSTN gateway includes: processor；

Described processor is used for, and receives the monitoring request that PSTN terminal sends, and described monitoring carries described PSTN eventually in request The call identification of end request monitoring, and monitor checking information；The message comprising described call identification and monitoring checking information is turned Send to mobile station MSO；When described MSO is according to described monitoring checking information, determine that described PSTN terminal has monitoring described During the authority of the calling that call identification is corresponding, receive the described call identification being in call state that described MSO forwards corresponding Voice calls；Described voice calls is transmitted to PSTN terminal.

12. 1 kinds of call monitoring devices, it is characterised in that be applied to PSTN terminal, described device includes:

Monitoring request sending module, for sending, to PSTN gateway, the request of monitoring, described monitoring in request carries described PSTN The call identification that terminal request is monitored, and monitor checking information；

Voice calls receiver module, if having the power monitoring calling corresponding to described call identification for described PSTN terminal Limit, receives the voice calls that the described call identification being in call state of described PSTN gateway forwarding is corresponding；

Voice calls playing module, is used for playing described voice calls.

13. 1 kinds of PSTN terminals, it is characterised in that described PSTN terminal includes processor；

Described processor is used for, and sends, to PSTN gateway, the request of monitoring, and carrying described PSTN terminal in described monitoring request please Seek the call identification of monitoring, and monitor checking information；If described PSTN terminal has monitoring corresponding the exhaling of described call identification The authority cried, receives the voice calls that the described call identification being in call state of described PSTN gateway forwarding is corresponding；Play Described voice calls.

14. 1 kinds of call monitoring systems, it is characterised in that including: public switch telephone network PSTN terminal, PSTN gateway, and move Dynamic exchange MSO；

Wherein, described PSTN terminal, for sending, to PSTN gateway, the request of monitoring, described monitoring in request carries described PSTN The call identification that terminal request is monitored, and monitor checking information；If described PSTN terminal has the described call identification pair of monitoring The authority of the calling answered, receives the calling language that the described call identification being in call state of described PSTN gateway forwarding is corresponding Sound；Play described voice calls；

Described PSTN gateway, is used for receiving described monitoring and asks, will comprise described call identification and monitor the message of checking information It is forwarded to described MSO；When described MSO is according to described monitoring checking information, determine that described PSTN terminal has the described calling of monitoring When identifying the authority of corresponding calling, receive the calling that the described call identification being in call state of described MSO forwarding is corresponding Voice；Described voice calls is transmitted to PSTN terminal；

Described MSO, is used for receiving described message；According to described monitoring checking information, it is judged that whether described PSTN terminal has prison Listen the authority of the calling that described call identification is corresponding；When judged result is for being, the described call identification of call state will be in Corresponding voice calls is transmitted to described PSTN gateway.