CN102448035A - Method and apparatus for realizing monitoring on call waiting service by using intelligent network - Google Patents
Method and apparatus for realizing monitoring on call waiting service by using intelligent network Download PDFInfo
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- CN102448035A CN102448035A CN2010105054739A CN201010505473A CN102448035A CN 102448035 A CN102448035 A CN 102448035A CN 2010105054739 A CN2010105054739 A CN 2010105054739A CN 201010505473 A CN201010505473 A CN 201010505473A CN 102448035 A CN102448035 A CN 102448035A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/42—Systems providing special services or facilities to subscribers
- H04M3/428—Arrangements for placing incoming calls on hold
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q3/00—Selecting arrangements
- H04Q3/0016—Arrangements providing connection between exchanges
- H04Q3/0029—Provisions for intelligent networking
Abstract
The invention discloses a method and an apparatus for realizing monitoring on a call waiting service by using an intelligent network. The method comprises: a service control point in an intelligent network carries out setting and controlling on a number needing monitoring on a call waiting service; when a call of a first telephone channel where a calling party calls a called party is initiated, conversation voice information of the first telephone channel is monitored; when a call of a second telephone channel where a third party calls a called party is initiated, conversation voice information of the second telephone channel is monitored and the third party is added into the first telephone channel on the conversation to carry out call waiting; and when the called party is switched between the first telephone channel and the second telephone channel, an opposite terminal media of the called party and a service type of the monitoring are updated, so that telephone channel switching is realized. According to the invention, on the basis of application of a broadband intelligent network system, all network elements carry out switching of monitored telephone channels under control of a service control point, so that monitoring of a call waiting service can be realized without adding of other network elements; therefore, popularization of complicated services can be carried out conveniently.
Description
Technical field
The present invention relates to data communication technology field, relate in particular to a kind of broadband IN that utilizes and realize method and device that call waiting is monitored.
Background technology
In present data communication field; In order to realize the monitoring of intelligent network call, patent application 200710187476.0 has proposed a kind of method that realizes intelligent network call monitoring, and is as shown in Figure 1; This method is initiated number through listening center to the service control point of intelligent network business and is established control; After the number call triggering intelligent network service, whether service control point inspection number establishes control, if controlled number then carries monitoring information in sending to the signaling that continues of Service Switching Point; Service Switching Point is routed to listening center according to monitoring information with speech channel; Listening center is routed to speech channel real called again, and listening center is set to the monitoring network element in the speech channel like this, has realized monitoring the function of speech channel.
This method sends to through service control point in the signaling that continues of Service Switching Point and carries monitoring information; Make Service Switching Point just can join speech channel with monitoring network element through this information; This method networking simple and flexible; Existing network is changed less, greatly reduced the cost of the network rebuilding, only at Service Switching Point with monitor and increase link between the network element and just can realize.
Though this method can realize the monitoring of ordinary call, just there has been certain problem for call waiting.At first; Ordinary call only is in the signaling that continues, to carry monitoring information to give Service Switching Point, and Service Switching Point will be monitored through the signaling that continues and just not do other processing after network element adds speech channel, but for call waiting; Because the user can control speech channel and constantly switch; If follow-uply do not handle, then monitor joining in the speech channel that network element just can not success, thereby can't realize monitor function.Secondly, because that the number in the Call Waiting has is a plurality of, at this moment only carries number and can't satisfy the needs that the user monitors each Call Waiting number and switching state through the signaling that continues.Therefore, also there is not in intelligent network, to realize the solution of call waiting monitoring in the prior art.
Summary of the invention
The technical problem that the present invention will solve is that the method and the device that provide a kind of intelligent network to realize the call waiting monitoring overcome the defective that prior art can't realize that call waiting is monitored.
The technical scheme that the present invention adopts is that said intelligent network is realized the method that call waiting is monitored, and comprising:
Service control point in the intelligent network is established control to the number that needs the monitored call latency services;
When the calling of caller calls callee's first speech channel is initiated, monitor the call voice information of first speech channel;
When the calling of third party call callee's second speech channel is initiated, monitor the call voice information of second speech channel, the third party is added first speech channel of conversing carry out Call Waiting;
When the callee is switched, upgrade callee's the opposite end medium and the type of service of monitoring between first speech channel and second speech channel.
Further, the service control point in the said intelligent network is established control to the number that needs the monitored call latency services, specifically comprises:
Monitor network element and through establishing the control order number that needs carry out the call waiting monitoring is sent to the service control point in the intelligent network, the service control point preservation need be carried out the control information of establishing of the number of call waiting monitoring.
Further, suppose that the number of establishing control comprises calling party, callee and third party;
When the calling of said first speech channel as the caller calls callee is initiated, monitor the call voice information of first speech channel, specifically comprise:
The check numbers calling party that establishes control of service control point generates first and monitors branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, the caller media channel that the monitoring network element joins in first speech channel is monitored the call voice information of first speech channel;
And/or,
The check numbers callee that establishes control of service control point generates second and monitors branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, the called media channel that the monitoring network element joins in first speech channel is monitored the call voice information of first speech channel.
Further, when the calling of said second speech channel as the third party call callee is initiated, monitor the call voice information of second speech channel, specifically comprise:
The check numbers third party that establishes control of service control point generates the 3rd and monitors branch information, and/or the callee that establishes control of checking numbers generates the 4th and monitor branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, third party's media channel that the monitoring network element joins in second speech channel is monitored the call voice information of second speech channel.
Further, Call Waiting is carried out in said first speech channel that third party's adding is being conversed, and specifically comprises:
Service control point is given third party's leg ID (Identify) and third party's number the calling of first speech channel from the call-delivery of second speech channel through communication operation between the call instance of first speech channel and second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel; Use leg to add call operation third party's leg ID is added the calling of first speech channel, the Status Change of second speech channel is kept for calling out.
Further, said when the callee is switched between first speech channel and second speech channel, upgrade callee's the opposite end medium and the type of service of monitoring, realize the speech channel switching, specifically comprise:
When the callee when first speech channel switches to second speech channel; Service control point keeps for calling out through the Status Change of X2 link notice monitoring network element with first speech channel; With the Status Change of second speech channel is call recovery; Service control point informing business exchange point is updated to third party's medium with callee's opposite end medium simultaneously, and Service Switching Point notice monitoring network element is updated to third party's medium with callee's opposite end medium;
When the callee when second speech channel switches to first speech channel; It is call recovery with the Status Change of first speech channel that service control point is notified the monitoring network element through the X2 link; The Status Change of second speech channel is kept for calling out; Service control point informing business exchange point is updated to calling party media with callee's opposite end medium simultaneously, and Service Switching Point notice monitoring network element is updated to calling party media with callee's opposite end medium.
The present invention also provides a kind of intelligent network to realize the device that call waiting is monitored, and comprising:
Service control point is used for the number that needs the monitored call latency services is established control; Control is monitored network element the speech channel at the number place of establishing control is monitored, and the third party is joined in the caller calls callee's who is conversing first speech channel to carry out Call Waiting, and realizes the speech channel switching controls;
Monitor network element, be used under the control of service control point, when the calling of caller calls callee's first speech channel is initiated, monitor the call voice information of first speech channel; When the calling of third party call callee's second speech channel is initiated, monitor the call voice information of second speech channel; When the user is switched, upgrade the type of service of monitoring and callee's opposite end medium between first speech channel and second speech channel;
Service Switching Point is used under the control of service control point, when the user is switched between first speech channel and second speech channel, upgrades callee's opposite end medium.
Further, said service control point is used for, and triggers the mode of service control point through WMG again from ring, will monitor network element and join in first speech channel and second speech channel call voice information is monitored.
Further; When callee that third party call is being conversed; Said service control point is used for, and gives the calling of first speech channel with third party's leg identification code ID and third party's number from the call-delivery of second speech channel through communication operation between the call instance of first speech channel and second speech channel, and third party's leg ID and third party's number are obtained in the calling of first speech channel; Use leg to add call operation third party's leg ID is added the calling of first speech channel, the Status Change of second speech channel is kept for calling out.
Further, when the callee was switched between first speech channel and second speech channel, said service control point was used for:
When the callee when first speech channel switches to second speech channel; Keep for calling out through of the Status Change of X2 link notice monitoring network element first speech channel; With the Status Change of second speech channel is call recovery, and the informing business exchange point is updated to third party's medium with callee's opposite end medium simultaneously;
When the callee when second speech channel switches to first speech channel; Notifying the monitoring network element through the X2 link is call recovery with the Status Change of first speech channel; The Status Change of second speech channel is kept for calling out, and the informing business exchange point is updated to calling party media with callee's opposite end medium simultaneously.
Adopt technique scheme, the present invention has advantage at least:
Intelligent network according to the invention is realized the method and apparatus that call waiting is monitored; Application based on the broadband IN system; Each network element is monitored the switching of speech channel under the control of service control point; The monitoring that realizes call waiting need not increase other network elements, is very beneficial for the popularization of complicated business.
Description of drawings
Fig. 1 is the signaling process figure that realizes intelligent network call monitoring in the prior art;
Fig. 2 is that intelligent network is realized the X2 link signalling sketch map that call waiting is monitored in the first embodiment of the invention;
Fig. 3 monitors the process sketch map of network element to speech channel for the present invention carries out relaying on WMG on ring and adding;
Fig. 4 is for monitoring the situation that the is provided with sketch map of breakout in the first embodiment of the invention;
Fig. 5 is for monitoring the situation that the is provided with sketch map of breakout in the second embodiment of the invention;
Fig. 6 is for monitoring the situation that the is provided with sketch map of breakout in the third embodiment of the invention;
Fig. 7 is for monitoring the situation that the is provided with sketch map of breakout in the fourth embodiment of the invention;
Fig. 8 is for monitoring the situation that the is provided with sketch map of breakout in the fifth embodiment of the invention.
Embodiment
Reach technological means and the effect that predetermined purpose is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to the present invention be elaborated as after.
Intelligent network according to the invention is realized the technical scheme that call waiting is monitored; Need not increase special devices; Utilize service control point, Service Switching Point, media server, the WMG of existing broadband IN system; Cooperate and monitor network element, and increase intelligent network to the communication X2 link of monitoring between the network element.Service control point in the intelligent network business carries out communication through X2 link and monitoring network element; All numbers are reported the monitoring network element; Monitor network element these number informations are associated according to relevant unique identification with the speech channel information of initiating that continues, show complete number of user and speech channel to monitor content.
The network element that is mainly concerned with in the implementation process of the present invention and the basic function of completion thereof are following:
Service Switching Point SS (Service Switching Point): be responsible for the access of calling out and be triggered to SCP; Be responsible for the call operation of SCP request simultaneously; And the signalings such as invite, update, bye of transmitting SCP with monitor network element and carry out alternately the monitor function of realization speech channel.
Service control point (SCP) (Service Control Point): be the core component of intelligent network, storaging user data and service logic; The major function of SCP is the trigger messages that receives from SS, handles snoop logic and control, sends and renewal speech channel monitoring information to SS, monitors reported by network elements through X2 chain road direction and monitors number and monitoring service information.
WMG MSG (Message Gateway): be the media channel of calling out.
Media server MS (Media Server): the medium of transmitting and handle speech channel.
Monitor network element LIG (Lawful Interception Gateway): the function that realizes monitoring; Reception is monitored from the signaling process speech channel of SS; Reception is monitored number from the signaling process that SCP sends through the X2 link, and the two combination showed the user or report more the monitoring interface on upper strata shows.
Below several embodiment be example all with a concrete calling procedure: calling party A dials callee B, and callee B replys, and third party C dials callee B number call and waits for.Speech channel between calling party A and the callee B is called first speech channel, and the speech channel between third party C and the callee B is called second speech channel.
First embodiment of the invention, a kind of intelligent network is realized the method that call waiting is monitored, and comprises following concrete steps:
Step S101, LIG send to establish to control and order SCP that the number of calling party A, callee B and third party C is established control, the control information of establishing of SCP storage calling number, called number and third party's number.If the number of control has call waiting function.
Step S102, calling party A dial callee B and trigger SCP, and SCP judges whether calling number is controlled, if then jump procedure S103 handles otherwise press ordinary call, flow process finishes.
Step S103; SCP generates first of calling number and monitors branch information CIN1; Comprising the first sign cin1, calling number, called number, called terminal ringing information, type of service etc., through on the X2 link, sending the begin signaling the first monitoring branch information CIN1 is reported LIG, like the signaling among Fig. 2 (1); And through MSG from the ring trigger SCP again, the caller media channel that LIG joins in first speech channel is monitored the call voice information of first speech channel.Monitor branch information and generally include first sign, calling number, called number, wait number, called terminal ringing temporal information, called party answer time and type of service, each step can be deleted these items of information and upgrade as required in the present embodiment.
In this step, on MSG, do from ring being meant in going out of MSG and receiving going into of MSG to trunking port to the direct loopback of the trunk line of trunking port.SCP triggers SCP through MSG from ring again, and the caller media channel that LIG joins in first speech channel is monitored the call voice information of first speech channel, and is as shown in Figure 3, specifically comprises following process:
After A1, SCP add special prefix before with first called number monitored among the branch information CIN1, send carry first monitor branch information CIN1 the invite signaling give SS.
A2, SS sends to LIG with this invite signaling.
A3; LIG returns to SS with its media address, and SS is according to the media address of LIG, and it is between calling party media address and the MS that LIG is joined the first monitoring breakout; And LIG links to each other with MS through MSG; LIG sets up corresponding relation according to the first sign cin1 with calling number and called number and first speech channel, and at the first monitoring breakout place call voice information of first speech channel is monitored, and the position of the first monitoring breakout is as shown in Figure 4.Media address comprises: IP address and port numbers.
A4, SS send the invite signaling of carrying the first monitoring branch information CIN1 and give MSG after the special prefix of called number among the first monitoring branch information CIN1 is removed.
A5, MSG carry out relaying behind ring, and this invite signaling is sent to SS.
A6, SS trigger SCP according to called number and carry out the subsequent voice calls processing.
Step S104; Come to trigger once more SCP from loopback; SCP generates second of called number and monitors branch information CIN2; Comprising the second sign cin2, calling number, called number, called terminal ringing information, type of service etc., through on the X2 link, sending the begin signaling the second monitoring branch information CIN2 is reported LIG, like the signaling among Fig. 2 (2); And through MSG from the ring trigger SCP again, the called media channel that LIG joins in first speech channel is monitored the call voice information of first speech channel.
In this step, the principle of the A1～A6 of MSG in principle and the step S103 of ring is identical.SCP triggers SCP through MSG from ring again, and the called media channel that LIG joins in first speech channel is monitored the call voice information of first speech channel, specifically comprises following process:
After B1, SCP add special prefix before with second called number monitored among the branch information CIN2, send carry second monitor branch information CIN2 the invite signaling give SS.
B2, SS sends to LIG with this invite signaling.
B3; LIG returns to SS with its media address; SS is according to the media address of LIG, and LIG is joined second, and to monitor breakout be between calling party media address and the MS, and LIG sets up corresponding relation according to the second sign cin2 with calling number and called number and first speech channel; And monitor the breakout place second the call voice information of first speech channel is monitored, the position of the second monitoring breakout is as shown in Figure 4.
B4, SS send the invite signaling of carrying the second monitoring branch information CIN2 and give MSG after the special prefix of called number among the second monitoring branch information CIN2 is removed.
B5, MSG carry out relaying behind ring, and this invite signaling is sent to SS.
B6, SS trigger SCP according to called number and carry out the subsequent voice calls processing.
Step S105, the called number ring, SCP upgrades first and monitors the called terminal ringing temporal information that branch information CIN1 and second monitors branch information CIN2.
Step S106, called number is replied, and SCP gives LIG through the answer signaling that the X2 link reports the first monitoring branch information CIN1, second to monitor branch information CIN2, like the signaling among Fig. 2 (3) (4).
Step S107, the third party call callee triggers SCP, and SCP judges whether called number is being conversed and established control, if then execution in step S108 handles otherwise carry out ordinary call, flow process finishes;
Step S108; SCP generates the 3rd of third party's number and monitors branch information CIN3; Comprising the 3rd sign cin3, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 3rd monitoring branch information CIN3 is reported LIG, like the signaling among Fig. 2 (5).The 4th of regeneration called number is monitored branch information CIN4; Comprising the 4th sign cin4, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 4th monitoring branch information CIN4 is reported LIG; Like the signaling among Fig. 2 (6), SCP triggers SCP through MSG from ring again, and third party's media channel that LIG joins in second speech channel is monitored the call voice information of second speech channel.In this area; A number is opened monitor function; Just mean; In the used speech channel that this number is participated in, all the call voice information of this number is monitored, what the called number of establishing control of therefore checking numbers generated second monitors branch information CIN2 and the 4th and monitors branch information CIN4 and exist simultaneously or do not exist simultaneously.
In this step, the principle of the A1～A6 of MSG in principle and the step S103 of ring is identical.SCP triggers SCP through MSG from ring again, and third party's media channel that LIG joins in second speech channel is monitored the call voice information of second speech channel, specifically comprises following process:
C1, SCP with the 3rd monitor add special prefix before the called number that branch information CIN3 and the 4th monitors among the branch information CIN4 after, send and carry the 3rd and monitor the invite signaling that branch information CIN3 and the 4th monitors branch information CIN4 and give SS.
C2, SS sends to LIG with this invite signaling.
C3; LIG returns to SS with its media address; SS is according to the media address of LIG; LIG is joined the 3rd monitor breakout and the 4th to monitor breakout be between third party's media address and the MSG, and LIG links to each other with MS through MSG, LIG identifies cin4 according to the 3rd sign cin3 and the 4th calling number and called number and second speech channel is set up corresponding relation; And monitor the breakout place at the 3rd monitoring breakout and the 4th the call voice information of second speech channel is monitored, the position of the 3rd monitoring breakout and the 4th monitoring breakout is as shown in Figure 4.
C4, after the special prefix that SS monitors called number among the branch information CIN4 with the 3rd monitoring branch information CIN3 and the 4th was removed, transmission was carried the invite signaling of the 3rd monitoring branch information CIN3 and the 4th monitoring branch information CIN4 to MSG.
C5, MSG carry out relaying behind ring, and this invite signaling is sent to SS.
C6, SS trigger SCP according to called number and carry out the subsequent voice calls processing.
Step S109; Come to trigger once more SCP from loopback; SCP will give the calling of first speech channel with third-party leg ID and third party's number from the call-delivery of second speech channel through communication operation between the call instance of first speech channel and second speech channel, and third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg adding call operation third party's leg ID to be added the calling of first speech channel; And discharge the calling of second speech channel; SCP changes to Call Waiting with the type of service that the 3rd monitoring branch information CIN3, the 4th monitors branch information CIN4, upgrades the Service signaling through X2 link reporting service type and gives LIG, like the signaling among Fig. 2 (7) (8).
Step S110; Callee party B-subscriber presses the * key; SCP judges it is to switch the conversation with third party C first, and then the opposite end medium to SS transmission update signaling update callee are third party's medium, and SS is updated to third party's medium to the opposite end medium that LIG sends update signaling update callee;
The signaling Answer that replys that SCP reports the 3rd monitoring branch information CIN3 and the 4th to monitor branch information CIN4 through the X2 link respectively again gives LIG; Like the signaling among Fig. 2 (9) (10), LIG upgrades the 3rd again and monitors the called party answer time that branch information CIN3 and the 4th monitors among the branch information CIN4;
The type of service that SCP upgrades the 3rd monitoring branch information CIN3 and the 4th monitoring branch information CIN4 respectively is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG, like the signaling among Fig. 2 (11) (12); SCP upgrades first respectively and monitors the type of service that branch information CIN1 and second monitors branch information CIN2 and keep for calling out, and upgrades the Service signaling through X2 link reporting service and gives LIG, like the signaling among Fig. 2 (13) (14).
Step S111; Callee party B-subscriber presses the * key once more; The type of service that SCP upgrades the first monitoring branch information CIN1 and the second monitoring branch information CIN2 respectively is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG, like the signaling among Fig. 2 (15) (16); SCP then upgrades the 3rd respectively and monitors the type of service that branch information CIN3 and the 4th monitors branch information CIN4 and keep for calling out, and upgrades the Service signaling through X2 link reporting service and gives LIG, like the signaling among Fig. 2 (17) (18); And the like.
Step S112, end of calling, SCP send the bye signaling to SS and discharge calling party A, callee B, third party C leg, and SS sends to LIG with the bye signaling and finishes the speech channel monitoring; SCP monitors branch information CIN2, the 3rd through the X2 link transmission first monitoring branch information CIN1, second and monitors the release signaling Release that branch information CIN3 and the 4th monitors branch information CIN4; Discharge and monitor, like the signaling among Fig. 2 (19) (20) (21) (22).
Second embodiment of the invention; The present embodiment and first embodiment are roughly the same; Difference is that the monitoring breakout quantity that in first speech channel, is provided with is different, though because it is to generate to the different user number that the first monitoring breakout and second is monitored breakout, all be that the call voice information of first speech channel is monitored; So present embodiment is that only the second monitoring breakout in first speech channel has added monitoring network element LIG, also can realize goal of the invention of the present invention.Monitor breakout that situation is set is as shown in Figure 5.
A kind of intelligent network is realized the method that call waiting is monitored, and comprises following concrete steps:
Step S201, LIG send to establish to control and order SCP that the number of calling party A, callee B and third party C is established control, the control information of establishing of SCP storage calling number, called number and third party's number.If the number of control has call waiting function.
Step S202, calling party A dial callee B and trigger SCP, and SCP judges whether calling number is controlled, if then jump procedure S203 handles otherwise press ordinary call, flow process finishes.
Step S203; SCP generates second of called number and monitors branch information CIN2; Comprising the second sign cin2, calling number, called number, called terminal ringing information, type of service etc.; Through on the X2 link, sending the begin signaling the second monitoring branch information CIN2 is reported LIG, and trigger SCP again from ring, LIG is joined the monitoring of second in first speech channel breakout place call voice information of first speech channel is monitored through MSG.
Step S204, the called number ring, SCP upgrades the called terminal ringing temporal information of the second monitoring branch information CIN2.
Step S205, called number is replied, and SCP reports the answer signaling of the second monitoring branch information CIN2 to give LIG through the X2 link.
Step S206, the third party call callee triggers SCP, and SCP judges whether called number is being conversed and established control, if then execution in step S207 handles otherwise carry out ordinary call, flow process finishes;
Step S207; SCP generates the 3rd of third party's number and monitors branch information CIN3; Comprising the 3rd sign cin3, third party's number, called number, called party answer time, type of service etc., the 3rd monitoring branch information CIN3 is reported LIG through on the X2 link, sending the begin signaling.The 4th of regeneration called number is monitored branch information CIN4; Comprising the 4th sign cin4, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 4th monitoring branch information CIN4 is reported LIG; SCP triggers SCP through MSG from ring again, LIG is joined the 3rd in second speech channel monitor breakout and the 4th and monitor the breakout place call voice information of second speech channel is monitored.
Step S208; Come to trigger once more SCP from loopback; SCP will give third-party leg ID and third party's number the calling of first speech channel through communication operation between the call instance of first speech channel and second speech channel from the call-delivery of second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg to add call operation third party's leg ID is added the calling of first speech channel, and discharge the calling of second speech channel; SCP changes to Call Waiting with the type of service that the 3rd monitoring branch information CIN3, the 4th monitors branch information CIN4, upgrades the Service signaling through X2 link reporting service type and gives LIG.
Step S209; Callee party B-subscriber presses the * key; SCP judges it is to switch the conversation with third party C first, and then the opposite end medium to SS transmission update signaling update callee are third party's medium, and SS is updated to third party's medium to the opposite end medium that LIG sends update signaling update callee;
The signaling Answer that replys that SCP reports the 3rd monitoring branch information CIN3 and the 4th to monitor branch information CIN4 through the X2 link respectively again gives LIG, and LIG upgrades the 3rd again and monitors the called party answer time that branch information CIN3 and the 4th monitors among the branch information CIN4;
The type of service that SCP upgrades the 3rd monitoring branch information CIN3 and the 4th monitoring branch information CIN4 respectively is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP upgrades the second monitoring branch information CIN2 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service.
Step S210, callee party B-subscriber press the * key once more, and the type of service that SCP upgrades the second monitoring branch information CIN2 is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; SCP then upgrades the 3rd respectively and monitors the type of service that branch information CIN3 and the 4th monitors branch information CIN4 and keep for calling out, and upgrades the Service signaling through X2 link reporting service and gives LIG; And the like.
Step S211, end of calling, SCP send the bye signaling to SS and discharge calling party A, callee B, third party C leg, and SS sends to LIG with the bye signaling and finishes the speech channel monitoring; SCP sends second through the X2 link and monitors the release signaling Release that branch information CIN2, the 3rd monitors branch information CIN3 and the 4th monitoring branch information CIN4, discharges and monitors.
Third embodiment of the invention; The present embodiment and first embodiment are roughly the same; Difference is that the monitoring breakout quantity that in second speech channel, is provided with is different, though because it is to generate to the different user number that the 3rd monitoring breakout and the 4th is monitored breakout, all be that the call voice information of second speech channel is monitored; So present embodiment is that only the 3rd monitoring breakout in second speech channel has added monitoring network element LIG, also can realize goal of the invention of the present invention.Monitor breakout that situation is set is as shown in Figure 6.
A kind of intelligent network is realized the method that call waiting is monitored, and comprises following concrete steps:
Step S301, LIG send to establish to control and order SCP that the number of calling party A, callee B and third party C is established control, the control information of establishing of SCP storage calling number, called number and third party's number.If the number of control has call waiting function.
Step S302, calling party A dial callee B and trigger SCP, and SCP judges whether calling number is controlled, if then jump procedure S303 handles otherwise press ordinary call, flow process finishes.
Step S303; SCP generates first of calling number and monitors branch information CIN1; Comprising the first sign cin1, calling number, called number, called terminal ringing information, type of service etc.; Through on the X2 link, sending the begin signaling the first monitoring branch information CIN1 is reported LIG, and trigger SCP again from ring, LIG is joined the monitoring of first in first speech channel breakout place call voice information of first speech channel is monitored through MSG.
Step S304; Come to trigger once more SCP from loopback; SCP generates second of called number and monitors branch information CIN2, comprising the second sign cin2, calling number, called number, called terminal ringing information, type of service etc., through on the X2 link, sending the begin signaling the second monitoring branch information CIN2 is reported LIG; And trigger SCP again from ring through MSG, LIG is joined second in first speech channel monitor the breakout place call voice information of first speech channel is monitored.
Step S305, the called number ring, SCP upgrades first and monitors the called terminal ringing temporal information that branch information CIN1 and second monitors branch information CIN2.
Step S306, called number is replied, and SCP gives LIG through the answer signaling that the X2 link reports the first monitoring branch information CIN1, second to monitor branch information CIN2.
Step S307, the third party call callee triggers SCP, and SCP judges whether called number is being conversed and established control, if then execution in step S308 handles otherwise carry out ordinary call, flow process finishes;
Step S308; SCP generates the 4th of called number and monitors branch information CIN4; Comprising the 4th sign cin4, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 4th monitoring branch information CIN4 is reported LIG, SCP triggers SCP through MSG from ring again, LIG is joined the monitoring of the 4th in second speech channel breakout call voice information of second speech channel is monitored.
Step S309; Come to trigger once more SCP from loopback; SCP will give third-party leg ID and third party's number the calling of first speech channel through communication operation between the call instance of first speech channel and second speech channel from the call-delivery of second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg to add call operation third party's leg ID is added the calling of first speech channel, and discharge the calling of second speech channel; SCP changes to Call Waiting with the type of service of the 4th monitoring branch information CIN4, upgrades the Service signaling through X2 link reporting service type and gives LIG.
Step S310; Callee party B-subscriber presses the * key; SCP judges it is to switch the conversation with third party C first, and then the opposite end medium to SS transmission update signaling update callee are third party's medium, and SS is updated to third party's medium to the opposite end medium that LIG sends update signaling update callee;
SCP reports the signaling Answer that replys of the 4th monitoring branch information CIN4 to give LIG through the X2 link again, and LIG upgrades the called party answer time among the 4th monitoring branch information CIN4 again;
The type of service that SCP upgrades the 4th monitoring branch information CIN4 is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; SCP upgrades first respectively and monitors the type of service that branch information CIN1 and second monitors branch information CIN2 and keep for calling out, and upgrades the Service signaling through X2 link reporting service and gives LIG.
Step S311, callee party B-subscriber press the * key once more, and the type of service that SCP upgrades the first monitoring branch information CIN1 and the second monitoring branch information CIN2 respectively is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP upgrades the 4th monitoring branch information CIN4 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service; And the like.
Step S312, end of calling, SCP send the bye signaling to SS and discharge calling party A, callee B, third party C leg, and SS sends to LIG with the bye signaling and finishes the speech channel monitoring; SCP sends first through the X2 link and monitors the release signaling Release that branch information CIN1, second monitors branch information CIN2 and the 4th monitoring branch information CIN4, discharges and monitors.
Fourth embodiment of the invention; Present embodiment and the 3rd embodiment are roughly the same; Difference is that not monitoring breakout in first of second speech channel is provided with the monitoring network element; Only at the second monitoring breakout place first speech channel is monitored, at the 4th monitoring breakout place second speech channel is monitored and to realize goal of the invention of the present invention through monitoring network element.Monitor breakout that situation is set is as shown in Figure 7.
A kind of intelligent network is realized the method that call waiting is monitored, and comprises following concrete steps:
Step S401, LIG send to establish to control and order SCP that the number of calling party A, callee B and third party C is established control, the control information of establishing of SCP storage calling number, called number and third party's number.If the number of control has call waiting function.
Step S402, calling party A dial callee B and trigger SCP, and SCP judges whether calling number is controlled, if then jump procedure S403 handles otherwise press ordinary call, flow process finishes.
Step S403; SCP generates second of called number and monitors branch information CIN2; Comprising the second sign cin2, calling number, called number, called terminal ringing information, type of service etc.; Through on the X2 link, sending the begin signaling the second monitoring branch information CIN2 is reported LIG, and trigger SCP again from ring, LIG is joined the monitoring of second in first speech channel breakout place call voice information of first speech channel is monitored through MSG.
Step S405, the called number ring, SCP upgrades the called terminal ringing temporal information of the second monitoring branch information CIN2.
Step S406, called number is replied, and SCP reports the answer signaling of the second monitoring branch information CIN2 to give LIG through the X2 link.
Step S407, the third party call callee triggers SCP, and SCP judges whether called number is being conversed and established control, if then execution in step S108 handles otherwise carry out ordinary call, flow process finishes;
Step S408; SCP generates the 4th of called number and monitors branch information CIN4; Comprising the 4th sign cin4, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 4th monitoring branch information CIN4 is reported LIG, SCP triggers SCP through MSG from ring again, LIG is joined the monitoring of the 4th in second speech channel breakout place call voice information of second speech channel is monitored.
Step S409; Come to trigger once more SCP from loopback; SCP will give third-party leg ID and third party's number the calling of first speech channel through communication operation between the call instance of first speech channel and second speech channel from the call-delivery of second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg to add call operation third party's leg ID is added the calling of first speech channel, and discharge the calling of second speech channel; SCP changes to Call Waiting with the type of service of the 4th monitoring branch information CIN4, upgrades the Service signaling through X2 link reporting service type and gives LIG.
Step S410; Callee party B-subscriber presses the * key; SCP judges it is to switch the conversation with third party C first, and then the opposite end medium to SS transmission update signaling update callee are third party's medium, and SS is updated to third party's medium to the opposite end medium that LIG sends update signaling update callee;
SCP reports the signaling Answer that replys of the 4th monitoring branch information CIN4 to give LIG through the X2 link respectively again, and LIG upgrades the called party answer time among the 4th monitoring branch information CIN4 again;
The type of service that SCP upgrades the 4th monitoring branch information CIN4 respectively is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP upgrades the second monitoring branch information CIN2 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service.
Step S411, callee party B-subscriber press the * key once more, and the type of service that SCP upgrades the second monitoring branch information CIN2 is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP then upgrades the 4th monitoring branch information CIN4 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service; And the like.
Step S412, end of calling, SCP send the bye signaling to SS and discharge calling party A, callee B, third party C leg, and SS sends to LIG with the bye signaling and finishes the speech channel monitoring; SCP sends second through the X2 link and monitors the release signaling Release that branch information CIN2 and the 4th monitors branch information CIN4, discharges and monitors.
Fifth embodiment of the invention, present embodiment are only monitored first speech channel at the first monitoring breakout place through monitoring network element, at the 3rd monitoring breakout place second speech channel are monitored and can realize goal of the invention of the present invention.Monitor breakout that situation is set is as shown in Figure 8.
A kind of intelligent network is realized the method that call waiting is monitored, and comprises following concrete steps:
Step S501, LIG send to establish to control and order SCP that the number of calling party A, callee B and third party C is established control, the control information of establishing of SCP storage calling number, called number and third party's number.If the number of control has call waiting function.
Step S502, calling party A dial callee B and trigger SCP, and SCP judges whether calling number is controlled, if then jump procedure S503 handles otherwise press ordinary call, flow process finishes.
Step S503; SCP generates first of calling number and monitors branch information CIN1; Comprising the first sign cin1, calling number, called number, called terminal ringing information, type of service etc.; Through on the X2 link, sending the begin signaling the first monitoring branch information CIN1 is reported LIG, and trigger SCP again from ring, LIG is joined the monitoring of first in first speech channel breakout place call voice information of first speech channel is monitored through MSG.
Step S504, the called number ring, SCP upgrades the called terminal ringing temporal information of the first monitoring branch information CIN1.
Step S505, called number is replied, and SCP reports the answer signaling of the first monitoring branch information CIN1 to give LIG through the X2 link.
Step S506, the third party call callee triggers SCP, and SCP judges whether called number is being conversed and established control, if then execution in step S108 handles otherwise carry out ordinary call, flow process finishes;
Step S507; SCP generates the 3rd of third party's number and monitors branch information CIN3; Comprising the 3rd sign cin3, third party's number, called number, called party answer time, type of service etc.; Through on the X2 link, sending the begin signaling the 3rd monitoring branch information CIN3 is reported LIG, SCP triggers SCP through MSG from ring again, LIG is joined the monitoring of the 3rd in second speech channel breakout place call voice information of second speech channel is monitored.
Step S508; Come to trigger once more SCP from loopback; SCP will give third-party leg ID and third party's number the calling of first speech channel through communication operation between the call instance of first speech channel and second speech channel from the call-delivery of second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg to add call operation third party's leg ID is added the calling of first speech channel, and discharge the calling of second speech channel; SCP changes to Call Waiting with the type of service of the 3rd monitoring branch information CIN3, upgrades the Service signaling through X2 link reporting service type and gives LIG.
Step S509; Callee party B-subscriber presses the * key; SCP judges it is to switch the conversation with third party C first, and then the opposite end medium to SS transmission update signaling update callee are third party's medium, and SS is updated to third party's medium to the opposite end medium that LIG sends update signaling update callee;
SCP reports the signaling Answer that replys of the 3rd monitoring branch information CIN3 to give LIG through the X2 link again, and LIG upgrades the called party answer time among the 3rd monitoring branch information CIN3 again;
The type of service that SCP upgrades the 3rd monitoring branch information CIN3 is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP upgrades the first monitoring branch information CIN1 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service.
Step S510, callee party B-subscriber press the * key once more, and the type of service that SCP upgrades the first monitoring branch information CIN1 is a call recovery, upgrades the Service signaling through X2 link reporting service and gives LIG; The type of service that SCP then upgrades the 3rd monitoring branch information CIN3 keeps for calling out, and upgrades the Service signaling to LIG through X2 link reporting service; And the like.
Step S511, end of calling, SCP send the bye signaling to SS and discharge calling party A, callee B, third party C leg, and SS sends to LIG with the bye signaling and finishes the speech channel monitoring; SCP sends first through the X2 link and monitors the release signaling Release that branch information CIN1 and the 3rd monitors branch information CIN3, discharges and monitors.
Sixth embodiment of the invention, a kind of intelligent network is realized the device that call waiting is monitored, and comprising:
1) service control point is used for the number that needs the monitored call latency services is established control, establishes calling party, callee and third party and is the number of establishing control; Control is monitored network element the speech channel at the number place of establishing control is monitored, and the third party is joined in the caller calls callee's who is conversing first speech channel to carry out Call Waiting, and realizes the speech channel switching controls;
Concrete, service control point is to trigger the mode of service control point through WMG again from ring, joins in the speech channel at the number place of establishing control call voice information is monitored monitoring network element.
When callee that third party call is being conversed; This service control point is further used for; Third party's leg identification code ID and third party's number are given the calling of first speech channel through communication operation between the call instance of first speech channel and second speech channel from the call-delivery of second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel, use leg to add call operation third party's leg ID is added the calling of first speech channel, and the Status Change of second speech channel is kept for calling out.
Concrete, when the callee was switched between first speech channel and second speech channel, said service control point was further used for:
When the callee when first speech channel switches to second speech channel; Keep for calling out through of the Status Change of X2 link notice monitoring network element first speech channel; With the Status Change of second speech channel is call recovery, and the informing business exchange point is updated to third party's medium with callee's opposite end medium simultaneously;
When the callee when second speech channel switches to first speech channel; Notifying the monitoring network element through the X2 link is call recovery with the Status Change of first speech channel; The Status Change of second speech channel is kept for calling out, and the informing business exchange point is updated to calling party media with callee's opposite end medium simultaneously.
2) monitor network element, be used under the control of service control point, when the calling of caller calls callee's first speech channel is initiated, monitor the call voice information of first speech channel; When the calling of third party call callee's second speech channel is initiated, monitor the call voice information of second speech channel; When the user is switched, upgrade the type of service of monitoring and callee's opposite end medium between first speech channel and second speech channel;
3) Service Switching Point is used under the control of service control point, when the user is switched between first speech channel and second speech channel, upgrades callee's opposite end medium.
Adopt technical scheme of the present invention, realize the call waiting monitoring, need not increase other network elements, be very beneficial for the popularization of complicated business based on intelligent network.
Through the explanation of embodiment, should be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended diagram only provide the usefulness of reference and explanation, is not to be used for the present invention is limited.
Claims (10)
1. an intelligent network is realized the method that call waiting is monitored, and it is characterized in that, comprising:
Service control point in the intelligent network is established control to the number that needs the monitored call latency services;
When the calling of caller calls callee's first speech channel is initiated, monitor the call voice information of first speech channel;
When the calling of third party call callee's second speech channel is initiated, monitor the call voice information of second speech channel, the third party is added first speech channel of conversing carry out Call Waiting;
When the callee is switched, upgrade callee's the opposite end medium and the type of service of monitoring between first speech channel and second speech channel.
2. the method for monitoring according to the said realization call waiting of claim 1 is characterized in that the service control point in the said intelligent network is established control to the number that needs the monitored call latency services, specifically comprises:
Monitor network element and through establishing the control order number that needs carry out the call waiting monitoring is sent to the service control point in the intelligent network, the service control point preservation need be carried out the control information of establishing of the number of call waiting monitoring.
3. the method for monitoring according to the said realization call waiting of claim 1 is characterized in that, supposes that the number of establishing control comprises calling party, callee and third party;
When the calling of said first speech channel as the caller calls callee is initiated, monitor the call voice information of first speech channel, specifically comprise:
The check numbers calling party that establishes control of service control point generates first and monitors branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, the caller media channel that the monitoring network element joins in first speech channel is monitored the call voice information of first speech channel;
And/or,
The check numbers callee that establishes control of service control point generates second and monitors branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, the called media channel that the monitoring network element joins in first speech channel is monitored the call voice information of first speech channel.
4. the method for monitoring according to the said realization call waiting of claim 3 is characterized in that, during the calling initiation of said second speech channel as the third party call callee, monitors the call voice information of second speech channel, specifically comprises:
The check numbers third party that establishes control of service control point generates the 3rd and monitors branch information, and/or the callee that establishes control of checking numbers generates the 4th and monitor branch information, and sends to the monitoring network element through the X2 link;
Again trigger service control point through WMG from ring, third party's media channel that the monitoring network element joins in second speech channel is monitored the call voice information of second speech channel.
5. the method for monitoring according to the said realization call waiting of claim 1 is characterized in that, Call Waiting is carried out in said first speech channel that third party's adding is being conversed, and specifically comprises:
Service control point is given third party's leg identification code ID and third party's number the calling of first speech channel from the call-delivery of second speech channel through communication operation between the call instance of first speech channel and second speech channel; Third party's leg ID and third party's number are obtained in the calling of first speech channel; Use leg to add call operation third party's leg ID is added the calling of first speech channel, the Status Change of second speech channel is kept for calling out.
6. the method for monitoring according to the said realization call waiting of claim 1 is characterized in that, and is said when the callee is switched between first speech channel and second speech channel, upgrades callee's the opposite end medium and the type of service of monitoring, specifically comprises:
When the callee when first speech channel switches to second speech channel; Service control point keeps for calling out through the Status Change of X2 link notice monitoring network element with first speech channel; With the Status Change of second speech channel is call recovery; Service control point informing business exchange point is updated to third party's medium with callee's opposite end medium simultaneously, and Service Switching Point notice monitoring network element is updated to third party's medium with callee's opposite end medium;
When the callee when second speech channel switches to first speech channel; It is call recovery with the Status Change of first speech channel that service control point is notified the monitoring network element through the X2 link; The Status Change of second speech channel is kept for calling out; Service control point informing business exchange point is updated to calling party media with callee's opposite end medium simultaneously, and Service Switching Point notice monitoring network element is updated to calling party media with callee's opposite end medium.
7. an intelligent network is realized the device that call waiting is monitored, and it is characterized in that, comprising:
Service control point is used for the number that needs the monitored call latency services is established control; Control is monitored network element the speech channel at the number place of establishing control is monitored, and the third party is joined in the caller calls callee's who is conversing first speech channel to carry out Call Waiting, and realizes the speech channel switching controls;
Monitor network element, be used under the control of service control point, when the calling of caller calls callee's first speech channel is initiated, monitor the call voice information of first speech channel; When the calling of third party call callee's second speech channel is initiated, monitor the call voice information of second speech channel; When the user is switched, upgrade the type of service of monitoring and callee's opposite end medium between first speech channel and second speech channel;
Service Switching Point is used under the control of service control point, when the user is switched between first speech channel and second speech channel, upgrades callee's opposite end medium.
8. the device of monitoring according to the said realization call waiting of claim 7; It is characterized in that; Said service control point is further used for; Again trigger the mode of service control point through WMG from ring, will monitor network element and join in first speech channel and second speech channel call voice information is monitored.
9. the device of monitoring according to the said realization call waiting of claim 7; It is characterized in that; When callee that third party call is being conversed; Said service control point is further used for, and gives the calling of first speech channel with third party's leg identification code ID and third party's number from the call-delivery of second speech channel through communication operation between the call instance of first speech channel and second speech channel, and third party's leg ID and third party's number are obtained in the calling of first speech channel; Use leg to add call operation third party's leg ID is added the calling of first speech channel, the Status Change of second speech channel is kept for calling out.
10. the device of monitoring according to the said realization call waiting of claim 7 is characterized in that,
When the callee was switched between first speech channel and second speech channel, said service control point was further used for:
When the callee when first speech channel switches to second speech channel; Keep for calling out through of the Status Change of X2 link notice monitoring network element first speech channel; With the Status Change of second speech channel is call recovery, and the informing business exchange point is updated to third party's medium with callee's opposite end medium simultaneously;
When the callee when second speech channel switches to first speech channel; Notifying the monitoring network element through the X2 link is call recovery with the Status Change of first speech channel; The Status Change of second speech channel is kept for calling out, and the informing business exchange point is updated to calling party media with callee's opposite end medium simultaneously.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105054739A CN102448035A (en) | 2010-10-13 | 2010-10-13 | Method and apparatus for realizing monitoring on call waiting service by using intelligent network |
| PCT/CN2010/079825 WO2012048498A1 (en) | 2010-10-13 | 2010-12-15 | Method and system for implementing call waiting service intercepting in intelligent network |
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| CN2010105054739A CN102448035A (en) | 2010-10-13 | 2010-10-13 | Method and apparatus for realizing monitoring on call waiting service by using intelligent network |
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Citations (3)
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|---|---|---|---|---|
| US20070121812A1 (en) * | 2005-11-22 | 2007-05-31 | Samsung Electronics Co., Ltd. | System and method for lawful intercept detection of call data and call content |
| US7277528B2 (en) * | 2002-02-12 | 2007-10-02 | Siemens Information And Communication Networks, Inc.- Boca Raton | Call-content determinative selection of interception access points in a soft switch controlled network |
| CN100583786C (en) * | 2006-12-31 | 2010-01-20 | 华为技术有限公司 | Legal listening system, method, and application server |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6507646B1 (en) * | 2000-02-07 | 2003-01-14 | Tersync Ltc. | Apparatus and method for call-waiting event interception |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7277528B2 (en) * | 2002-02-12 | 2007-10-02 | Siemens Information And Communication Networks, Inc.- Boca Raton | Call-content determinative selection of interception access points in a soft switch controlled network |
| US20070121812A1 (en) * | 2005-11-22 | 2007-05-31 | Samsung Electronics Co., Ltd. | System and method for lawful intercept detection of call data and call content |
| CN100583786C (en) * | 2006-12-31 | 2010-01-20 | 华为技术有限公司 | Legal listening system, method, and application server |
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