CN102083028A

CN102083028A - Video call charging method, video call charging equipment and video call charging system

Info

Publication number: CN102083028A
Application number: CN2009102461069A
Authority: CN
Inventors: 杨锋
Original assignee: Huawei Technologies Co Ltd
Current assignee: Global Innovation Polymerization LLC; Gw Partnership Co ltd
Priority date: 2009-12-01
Filing date: 2009-12-01
Publication date: 2011-06-01
Anticipated expiration: 2029-12-01
Also published as: CN102083028B

Abstract

The embodiment of the invention provides a video call charging method, video call charging equipment and a video call charging system. The method comprises the following steps: in the process of establishing a video call, a service control point (SCP) sends monitoring events of monitoring response to a network switch, and the monitoring events are used for indicating the network switch to monitor a called response media; and when the network switch monitors the called response media, the SCP acquires charging type information corresponding to the response media from the network switch, and identifies the charging rate according to the charging type information. The other method comprises the following steps: receiving the monitoring events of the monitoring response issued by the SCP; monitoring the called response media according to the monitoring event; and when the called response media is monitored, reporting the charging type information corresponding to the response media to the SCP. By utilizing the embodiment of the invention, when the falling back of a video happens, prepaid service charging is more accurate, thus leading the conversation time to be more accurate.

Description

Video call charging method, equipment and system

Technical field

The embodiment of the invention relates to communication technical field, particularly a kind of video call charging method, equipment and system.

Background technology

3g mobile network (3rd Generation; Hereinafter to be referred as: 3G) mainly contain two parts: wireless access network and core net, the intelligent network in the core net is realized among service being embedded into a public/standard database rather than being embedded into each network element.This implementation makes network have more intellectuality, and the service of intelligent network concentrates on a center node, promptly is called as service control point (Service Control Point; Hereinafter to be referred as: in node SCP).Its storage, loaded with traffic data and service logic, its major function is according to Service Switching Point (Service Switch Point; Hereinafter to be referred as: the call event of offering SSP) starts different service logics, sends the calling control command according to service logic to SSP, thereby realizes various intelligent calls and IN service.When the calling subscriber initiates video call in 3G network, may be because the network that the called subscriber uses be the 2G network, or the called subscriber selects audio call, can cause video call to change audio call into like this, and this process is called video and falls after rise.

The charging method of prior art video call, if the calling subscriber initiates video call in the 3G network, network equipment mobile services switching centre (Mobile Service Center; Hereinafter to be referred as: MSC) just continue with video call called, this moment, SCP chargeed according to video traffic, when called network is the 2G network, perhaps called selection audio call, intelligent network can't know that video falls after rise, and this moment, SCP still chargeed according to video traffic, occurred in network layer because video falls after rise, therefore write down accurate charging information among the MSC, SCP is periodically with MSC ticket and prepayment service (Prepaid Service; Hereinafter to be referred as: PPS) professional ticket contrast, the part that speech business is chargeed according to video traffic is carried out the telephone expenses covering.PPS determines the air time according to remaining sum.

The inventor finds in realizing process of the present invention, prior art is chargeed according to the video rate earlier when the video falling takes place, and charges according to voice and carries out the expense covering, because the operation of covering has time delay, cause the actual air time less than the theoretical air time.

Summary of the invention

The embodiment of the invention provides a kind of video call charging method, equipment and system, charge according to the video rate earlier when the video falling takes place in order to solve in the prior art, charge according to voice again and carry out the expense covering, cause the problem of actual air time less than the theoretical air time.

The embodiment of the invention provides a kind of video call charging method, and this method comprises:

In setting up the process of video call, the service control point (SCP) sends the monitor event that monitoring is replied to the network switch, and described monitor event is used to indicate the described network switch that the called medium of replying are monitored;

When the described network switch monitors calledly when replying medium, SCP obtains and the described corresponding charge type information of medium of replying from the described network switch, determines charging rate according to described charge type information.

The embodiment of the invention provides another kind of video call charging method, and this method comprises:

The monitor event that the monitoring that the reception service control point (SCP) issues is replied;

According to described monitor event the called medium of replying are monitored;

Called when replying medium when monitoring, report the charge type information corresponding to the service control point (SCP) with replying medium.

The embodiment of the invention also provides a kind of service control point, and this service control point comprises:

The monitoring control module is used for setting up the process of video call, sends the monitor event that monitoring is replied to the network switch, and described monitor event is used to indicate the described network switch that the called medium of replying are monitored;

Acquisition module is used for monitoring calledly when replying medium when the described network switch, obtains the charge type information of replying the medium correspondence from the described network switch;

Accounting module is used for determining charging rate according to the described charge type information that described acquisition module obtains.

The embodiment of the invention provides a kind of network switch again, and this service switching center comprises:

Receiver module is used to receive the monitor event that monitoring that the service control point (SCP) issues is replied;

Monitoring module is used for according to described monitor event the called medium of replying being monitored;

Reporting module is used for monitoring calledly when replying medium when described monitoring module, reports the charge type information of replying the medium correspondence to the service control point (SCP).

The embodiment of the invention provides a kind of video call charge system, and this system comprises the service control point and the network switch,

Described service control point is used for setting up the process of video call, sends the monitor event that monitoring is replied to the described network switch, and described monitor event is used to indicate the described network switch that the called medium of replying are monitored; When the described network switch monitors calledly when replying medium, obtain and the described corresponding charge type information of medium of replying from the described network switch, determine charging rate according to described charge type information;

The network switch, be used to receive the monitor event that monitoring that described service control point issues is replied, according to described monitor event the called medium of replying are monitored, called when replying medium when monitoring, report the charge type information corresponding to described service control point with replying medium.

Video call charging method, equipment and system that the embodiment of the invention provides, the monitor event of replying to network switch transmission monitoring by SCP comes the indication network side that the medium of replying of reality are monitored, after network layer generation video falls after rise, when the network switch monitors called when replying medium, indicate SCP to determine charging rate according to the actual medium of replying, it is more accurate that prepayment service is chargeed, thereby make the air time more accurate.

Description of drawings

The video call charging method flow chart that Fig. 1 provides for one embodiment of the invention;

The video call charging method flow chart that Fig. 2 provides for another embodiment of the present invention;

The video call charge system structural representation that Fig. 3 provides for the embodiment of the invention;

The video call calling procedure signaling diagram that Fig. 4 provides for one embodiment of the invention;

The video call calling procedure signaling diagram that Fig. 5 provides for another embodiment of the present invention;

The video call called flow signaling diagram that Fig. 6 provides for one embodiment of the invention;

The video call called flow signaling diagram that Fig. 7 provides for another embodiment of the present invention;

The service control point structural representation that Fig. 8 provides for one embodiment of the invention;

The service control point structural representation that Fig. 9 provides for another embodiment of the present invention;

The network switch structural representation that Figure 10 provides for one embodiment of the invention.

Embodiment

Below by drawings and Examples, technical scheme of the present invention is described in further detail.

The video call charging method flow chart that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, this method comprises:

101, in setting up the process of video call, the service control point (SCP) sends the monitor event that monitoring is replied to the network switch, and this monitor event is used to indicate the network switch that the called medium of replying are monitored;

When the calling subscriber initiated video call, calling party's network switch sent to SCP according to Originating CAMEL Subscription Information and triggers message, perhaps also can send to SCP according to caller rs number (number segment triggering mode) and trigger message.As at global system for mobile communications (Global System for Mobile Communications, GSM) in the network, the moving exchanging center MSC/SSP with SSP function can be according to Originating CAMEL Subscription Information Originating CAMEL Subscription Information (Originating CAMEL Subscription Information; Hereinafter to be referred as: O_CSI) send Initial Detection Point (Initial Detect Point to SCP; Hereinafter to be referred as: IDP) signaling, thus trigger intelligent network.

Wherein, the network switch carries the parameter of this calling of indication for video call in this triggering message, SCP knows that according to this triggering message this calling is video call, so issue monitor event to the network switch, to indicate this network switch the called actual medium of replying are monitored, as, monitor that called to carry out actual medium of replying be video or audio frequency.This monitor event can be request report Basic Call State Model BCSM incident (Request Report Basic Call State Model Event; Hereinafter to be referred as: RREB).

Concerning called signatory situation, similar with calling party's trigger process, the network switch can pass through called attaching position register (Home Location Register; Hereinafter to be referred as: HLR) obtain called subscriber's CAMEL-Subscription-Information, send to called SCP according to the CAMEL-Subscription-Information that obtains and trigger message.If calling and called belong to same ownership place, then caller SCP and called SCP are same SCP.

102, monitor calledly when replying medium when the network switch, SCP obtains with this from the network switch and replys the corresponding charge type information of medium, determines charging rate according to this charge type information.

May be in the video call process because callee's network is the 2G network, or the callee selects situation such as voice answer-back and video takes place falls phenomenon after rise, video falls the process of changing into audio call from video call that is after rise, and when the video falling took place, the actual medium of replying of callee then were audio frequency.

Calling party's network switch is determined the called actual medium of replying according to the response message that callee's network switch returns in the called process that continues, and reports with this to SCP and reply the corresponding charge type information of medium according to the medium of replying of reality.Wherein, this charge type information can be carried to the monitor event that SCP reports by the network switch, can be Basic Call State Model BCSM incident (Event Basic Call State Model Report as this monitor event; Hereinafter to be referred as: ERB), the information parameter of the oAnswer/tAnswer incident that can report the ERB signaling is expanded, in extended field, carry charge type information, for example: the actual medium of replying are audio frequency, charge type information=2 of carrying in the ERB signaling then, corresponding charging rate is common charging, and promptly voice charge; Fall after rise if video takes place, promptly the callee replys with video mode, and the actual medium of replying are video, charge type information=3 of carrying in the ERB signaling then, and corresponding charging rate is that video charges.Carry Apply Charging Report (the Apply Charging Report that the monitor event of the charge type information corresponding with replying medium can also report for the network switch; Hereinafter to be referred as: ACR), carry the charge type information corresponding with replying medium by ACR.

The video call charging method flow chart that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2, this method comprises:

201, receive the monitor event that monitoring that the service control point (SCP) issues is replied;

When the calling subscriber initiated video call, the network switch sent to SCP according to user signing contract information and triggers message, perhaps also can send to SCP according to Subscriber Number (number segment triggering mode) and trigger message.The network switch carries the parameter of this calling of indication for video call in this triggering message, SCP knows that according to this triggering message this calling is video call, so issue monitor event to the network switch, the called actual medium of replying monitored to indicate this network switch.This monitor event can be RREB.

202, according to monitor event the called medium of replying are monitored;

The network switch is monitored the called actual medium of replying according to the monitor event that SCP issues, as, monitor that called to carry out actual medium of replying be video or audio frequency.

203, called when replying medium when monitoring, report the charge type information corresponding to the service control point (SCP) with replying medium.

In the called process that continues, calling party's network switch is determined the called actual medium of replying according to the response message that returns from callee's network switch, and reports with this to SCP and reply the corresponding charge type information of medium according to the medium of replying of reality.Wherein, this charge type information can be carried to the monitor event that SCP reports by the network switch, this monitor event can be ERB, the information parameter of the oAnswer/tAnswer incident that can report the ERB signaling is expanded, in extended field, carry charge type information, also can enable the backed-up value of Chargeindicator, as:

ChargeIndicator::＝OCTET?STRING(SIZE(1))

--As?specified?in?ITU-T?Recommendation?Q.763?as?follows：

--no?indication′xxxx?xx00′B

--no?charge′xxxx?xx01′B

--charge′xxxx?xx10′B

--spare ' xxxx xx11 ' B--enable this backed-up value, expression is VideoCharge.

The Apply Charging Report ACR that this monitor event can also report for the network switch carries the charge type information corresponding with replying medium by ACR.

The video call charge system structural representation that Fig. 3 provides for the embodiment of the invention, as shown in Figure 3, this system comprises: the service control point 1 and the network switch 2; Wherein, service control point 1 is used for setting up the process of video call, send the monitor event that monitoring is replied to the network switch 2, this monitor event is used to indicate 2 pairs of called medium of replying of the network switch to monitor, when the network switch 2 monitors called when replying medium, service control point 1 obtains with this from the network switch 2 and replys the corresponding charge type information of medium, determines charging rate according to this charge type information.The network switch 2 is used to receive the monitor event that monitoring that service control point 1 sends is replied, and monitors replying medium according to monitor event, and is called when replying medium when monitoring, and reports the charge type information corresponding with replying medium to service control point 1.Wherein, this charge type information can be carried to the monitor event that service control point 1 reports by the network switch 2; This monitor event can be the ERB signaling, also can be Apply Charging Report ACR.

Concrete, when the calling subscriber initiates video call, the network switch 2 sends the triggering message of video call to service control point 1, and in this triggering message, carry and indicate the parameter of this calling for video call, service control point 1 knows that according to this triggering message this calling is video call, so issue monitor event to the network switch 2.This monitor event can be the RREB signaling, after the network switch 2 receives the RREB signaling, the medium of replying of reality is monitored.Determine the actual medium of replying according to the response message that receives in the called process that continues, and report the charge type information corresponding with replying medium to service control point 1, charging rate is determined at indicating services control point 1.This monitor event that carries the charge type information corresponding with replying medium can be ERB signaling or Apply Charging Report ACR.

Video call charging method and system that the embodiment of the invention provides, the monitor event that the monitoring that sends to the network switch by service control point is replied, come the indication network side that the medium of replying of reality are monitored, and when the network switch receives the response message of callee side, determine charging rate according to the actual medium indicating services control point of replying in this response message, make when network layer generation video falls after rise, it is more accurate that prepayment service is chargeed, and makes the air time more accurate.

The scheme of the embodiment of the invention is applicable to as lower network: public switched telephone network (Public Switching Telephone Network, PSTN), GSM, code division multiple access (Code Division Multiple Access, CDMA) network, Wideband Code Division Multiple Access (WCDMA) (Wideband CDMA, WCDMA), the time division multiplexing S-CDMA (Time Division-Synchronous-Code Division Multiple Access, TD-SCDMA), CDMA2000 and the next generation (NGN) network etc.Wherein, the network switch in the network is as the MSC among the GSM, can have the service switching point function, just when the network switch during at the video call that receives from calling terminal, the network switch can be triggered to intelligent network with this calling, as, send triggering message to service control point.

With the GSM network is example, the calling procedure signaling diagram of the video call charging method that is used to realize that the embodiment of the invention provides, as shown in Figure 4.Wherein, calling party's network switch is MSCa/SSP, and the calling party service control point (SCP) is SCPa; Callee's network switch is MSCb/SSP, and callee SCP is SCPb, and callee's attaching position register HLR is HLRb.Wherein, the embodiment that video falls after rise for taking place in Fig. 4, and this method comprises:

S401, when MSCa/SSP receives the Client-initiated video call, this video call is triggered to intelligent network;

Wherein, MSCa/SSP can trigger intelligent network according to the start triggering mode of O_CSI of user signing contract information, can also adopt modes such as number segment triggering to trigger intelligent network.Concrete, MSCa/SSP can send the IDP signaling by the SCPa in intelligent network when triggering intelligent network, and with bearing capacity parameter (the Bear Capability in this IDP signaling; Hereinafter to be referred as: BC) be set to video call.

S402, SCPa send the monitor event that monitoring is replied to MSCa/SSP;

After SCPa receives the IDP signaling, determine that according to the BC parameter in this IDP signaling this calling is video call, so issue the monitor event that monitoring is replied to MSCa/SSP, instruct MS Ca/SSP carries out the monitoring of oAnswer incident, wherein, situations such as this monitor event can be the RREB signaling, and the RREB signaling can be used for indication monitoring callee circuit usually in call establishment whether the line is busy, whether called whether no response and route fail.The embodiment of the invention can monitor this signaling in order to instruct MS Ca/SSP by the RREB signaling is configured to the medium of replying of reality, i.e. it is video or audio frequency that actual medium of replying are carried out in instruct MS Ca/SSP monitoring.

After S403, MSCa/SSP receive monitor event, begin to monitor to replying medium;

S404, SCPa are according to video call rate charge budget and authentication operations;

Because MSCa/SSP sends to the IDP signaling of SCPa and is designated as video call, therefore, SCPa is according to the budget of chargeing of video call rate, budget mainly is to determine the caller rate according to the medium of calling party and callee's ownership place, visit ground and actual conversation, SCPa carries out authentication operations to calling party and callee, whether effective with checking calling party and callee's account, and estimate the air time according to calling party and callee's remaining sum.

S405, SCPa send application (the Apply Charging that charges to MSCa/SSP; Hereinafter to be referred as: AC), this charging application is used to indicate the MSCa/SSP monitoring air time;

S406, MSCa/SSP are according to the AC monitoring air time that receives;

SCPa can send the charging application AC that indicates the air time to MSCa/SSP according to the air time that the charging budget draws, and monitors the air time by AC instruct MS Ca/SSP.For example: what SCPa drew according to the charging budget can be 20 minutes the air time, then SCPa can issue an AC to MSCa/SSP at set intervals, how long instruct MS Ca/SSP can also converse, for example, the maximum duration parameters of SCPa in can the AC signaling is set to 5 minutes, and the air time of then each MSCa/SSP monitoring is 5 minutes.MSCa/SSP monitors the air time according to the AC that receives.

S407, SCPa send replay call indication information Connet signaling to MSCa/SSP;

After issuing AC, SCPa is to the indication information Connet signaling of a replay call of MSCa/SSP transmission, and MSCa/SSP continues to call out according to this signaling.MSCa/SSP begins to carry out the calling of network layer after receiving the indication information Connet signaling of replay call, is specially S408～S414:

S408, after MSCa/SSP receives the Connet signaling, send routing information request (Send Routing Information to callee's HLRb; Hereinafter to be referred as: SRI);

S409, HLRb send roaming number request (Provide Roaming Number to MSCb/SSP; Hereinafter to be referred as: PRN);

S410, MSCb/SSP return roaming number request-reply (Provide Roaming Number ack to HLRb; Hereinafter to be referred as: PRN ack);

S411, HLRb return route requests response SRI res to MSCa/SSP;

S412, MSCa/SSP send initial address message (IAM) (Initial Address Message to MSCb/SSP; Hereinafter to be referred as: IAM);

S413, MSCb/SSP finish information (Address Complete Message to the MSCa/SSP return address; Hereinafter to be referred as: ACM);

S414, MSCb/SSP send response message ANM to MSCa/SSP;

When S415, MSCa/SSP receive the response message ANM of MSCb/SSP, report the monitor event that carries the charge type information corresponding with replying medium;

May be in the video call process because callee's network be the 2G network, or the callee selects situation such as voice answer-back and video takes place falls phenomenon after rise, and video falls the process of changing into audio call from video call that is after rise.When the video falling takes place when, the actual medium of replying of callee are audio frequency, then after MSCa/SSP receives the response message ANM of MSCb/SSP, determine that according to this response message ANM the actual medium of replying are audio frequency, and the monitor event that will carry the charge type information corresponding with replying medium reports SCPa.Wherein, the monitor event that carries the charge type information corresponding with replying medium can be the ERB signaling, carries charge type information by the extended field in this ERB signaling.

S416, SCPa obtain the monitor event that carries the charge type information corresponding with replying medium, determine charging rate according to charge type information;

Because SCPa is based on the video rate when chargeing budget, when SCPa receives the monitor event that carries the charge type information corresponding with replying medium that MSCa/SSP sends, when this charge type information representation was the voice rate, SCPa was chargeed former charging rate and is adjusted into the voice charging by video.

S417, MSCa/SSP send the Apply Charging Report ACR corresponding with the charging application information;

Because SCPa after charging budget and authentication are passed through, sends an AC instruct MS Ca/SS monitoring air time, then arrive monitoring period after, MSCa/SSP is to Apply Charging Report ACR of SCPa transmission.

In S415, MSCa/SSP carries the charge type information corresponding with replying medium in the ERB signaling that reports, and MSCa/SSP can also carry the charge type information corresponding with replying medium in the ACR that S417 reports.Then the ACR that receives by parsing of SCPa obtains and carries the charge type information corresponding with replying medium, and determines charging rate according to charge type information.

S418, SCPa obtain the Apply Charging Report ACR corresponding with the charging application information that reports, and send the AC instruct MS Ca/SSP monitoring air time once more according to the charging budget result;

After SCPa received the ACR of MSCa/SSP transmission, SCPa issued AC to MSCa/SSP once more according to the air time of budget, and instruct MS Ca/SSP monitors the air time in following a period of time.After receiving the ACR that MSCa/SSP reports once more, SCPa continues to issue AC according to the residue air time, promptly SCPa can according to the caller, called party can the air time repeatedly issue MSCa/SSP, instruct MS Ca/SSP remains the air time.

S419, MSCa/SSP send Apply Charging Report corresponding with the charging application information and end of conversation report;

When calling and called any one party on-hook end of conversation then, MSCa/SSP sends an ACR and ERB to SCPa, with prompting SCPa end of conversation.

S420, when SCPa obtains the ACR that reports and end of conversation report ERB, send the indication information RC that discharges conversation;

SCPa receives after ACR and the ERB, sends release conversation (Release Call to MSCa/SSP; Hereinafter to be referred as: RC) information;

After S421, MSCa/SSP receive RC, further send release information (Release Message to MSCb/SSP; Hereinafter to be referred as: REL) finish repeat circuit between the calling and called switch;

S422, MSCb/SSP finish information (Release Complete Message to MSCa/SSP transmission release after receiving REL; Hereinafter to be referred as: RLC).

End of conversation, SCPa are finished the billing operation that the calling party is calculated according to the voice rate.

In the present embodiment, MSC/SSP monitors replying medium according to the monitor event that the monitoring that receives is replied, when MSC/SSP receives response message, report monitor event indication SCP to determine charging rate according to actual medium of replying to SCP, make when network layer generation video falls after rise, SCP can determine charging rate according to the medium type of replying of reality, thereby it is more accurate that prepayment service is chargeed, and makes the air time more accurate.

In the embodiment of Fig. 4 correspondence, the monitor event RREB signaling that SCPa replys to the monitoring that MSCa/SSP sends adopts the message informing mode, be that SCPa issues AC to MSCa/SSP at once after charge budget and authentication operations, instruct MS Ca/SSP monitors the air time in a period of time.

The monitor event RREB signaling that SCPa replys to the monitoring that MSCa/SSP sends can also adopt interrupt mode, referring to Fig. 5, and the video call calling procedure signaling diagram that Fig. 5 provides for another embodiment of the present invention.

Wherein, S501～S504 can realize with reference to S401～S404, repeat no more here.

S505, SCPa directly send replay call indication information Connet signaling to MSCa/SSP after the user is chargeed budget and authentication operations;

S506～S512, MSCa/SSP begin to carry out the calling of network layer after receiving the indication information Connet signaling of replay call, carry out called connection, and wherein, handshaking procedure can repeat no more here with reference to S408～S414.

When S513, MSCa/SSP receive the response message ANM of MSCb/SSP, report the monitor event that carries the charge type information corresponding with replying medium;

S514, SCPa obtain the monitor event that carries the charge type information corresponding with replying medium, determine charging rate according to charge type information;

So that the video falling to take place is example, after SCPa receives the monitor event that carries the charge type information corresponding with replying medium that MSCa/SSP reports, will be adjusted into according to the voice rate by the billing operation of video rate according to the charge type information in this monitor event and to carry out billing operation.

After S515, the adjustment charging rate, SCPa draws the air time after adjusting charging rate, and issues AC to MSCa/SSP, and instruct MS Ca/SSP monitors the air time.

Follow-up S516～S523 and S417～S422 are similar, repeat no more here.

The embodiment difference that present embodiment is corresponding with Fig. 4 is: SCPa does not issue AC to MSCa/SSP at once after charge budget and authentication operations, but directly issues Connect instruct MS Ca/SSP replay call to MSCa/SSP.If video takes place to be fallen after rise, after SCPa receives the monitor event that carries the charge type information corresponding with replying medium that MSCa/SSP reports, will be adjusted into according to the voice rate by the billing operation of video rate according to the charge type information in this monitor event and to carry out billing operation.Adjust after the charging rate, SCPa draws the air time behind the charging rate and issues AC instruct MS Ca/SSP to MSCa/SSP monitor the air time in a period of time according to adjusting.And SCPa sends Continue signaling instruct MS Ca/SSP to MSCa/SSP and begins conversation after issuing AC, just begins conversation like this after the rate adjustment, has guaranteed the accuracy of chargeing.

The video call charging method that present embodiment provides, SCP adopts interrupt mode, instruct MS C/SSP monitors replying medium, after network layer generation video falls after rise, SCP gets access to the monitor event that carries the charge type information corresponding with replying medium that MSCa/SSP sends, determine charging rate according to this charge type information, then instruct MS C/SSP monitors the air time and begins conversation, therefore, SCPa adopts interrupt mode can make the monitoring period of instruct MS Ca/SSP more accurate to MSCa/SSP transmission monitor event.

Two embodiment of above Fig. 4, Fig. 5 are calling procedure, are that example is introduced called flow with the GSM network below.

The video call called flow signaling diagram that Fig. 6 provides for one embodiment of the invention, as shown in Figure 6, this method comprises:

S601, MSCa/SSP at first send routing information request SRI to HLRb;

S602, HLRb send roaming number request PRN to MSCb/VLR;

S603, MSCb/VLR return roaming number request-reply PRN ack to HLRb;

S604, HLRb return callee's CAMEL-Subscription-Information T-CSI to MSCa/SSP, trigger intelligent network with callee's CAMEL-Subscription-Information T-CSI;

S605, MSCa/SSP send the IDP signaling to SCPb and initiate video call;

S606, SCPa send the monitor event that monitoring is replied to MSCa/SSP;

After SCPa receives the IDP signaling, determine that according to the BC parameter in this IDP signaling this calling is video call, issue the monitor event that monitoring is replied to MSCa/SSP, instruct MS Ca/SSP carries out the monitoring of oAnswer incident, wherein, this monitor event can be RREB, and the embodiment of the invention is by being configured the RREB signaling, this signaling can be monitored the medium of replying of reality in order to instruct MS Ca/SSP, i.e. it is video or audio frequency that actual medium of replying are carried out in instruct MS Ca/SSP monitoring.

After S607, MSCa/SSP receive monitor event, begin to monitor to replying medium;

S608, SCPa are according to video call rate charge budget and authentication operations;

S609, SCPa send AC to MSCa/SSP, and AC is used to indicate the MSCa/SSP monitoring air time;

S610, MSCa/SSP are according to the AC monitoring air time that receives;

SCPa can send the charging application AC that indicates the air time to MSCa/SSP according to the air time that the charging budget draws, and monitors the air time by AC instruct MS Ca/SSP.SCPa can be provided with the air time of each MSCa/SSP monitoring by the maximum duration parameters in the AC signaling, and MSCa/SSP monitors the air time according to the AC that receives.

S611, SCPa send replay call indication information Connet signaling to MSCa/SSP;

After issuing AC, SCPa is to the indication information Connet signaling of a replay call of MSCa/SSP transmission, and MSCa/SSP continues to call out according to this signaling.MSCa/SSP begins to carry out the calling of network layer after receiving the indication information Connet signaling of replay call, is specially S612～S618, and this process and calling party's network layer calling procedure is similar, referring to S408～S414, repeats no more.

When S619, MSCa/SSP receive the response message ANM of MSCb/SSP, report the monitor event that carries the charge type information corresponding with replying medium;

S620, SCPa obtain the monitor event that carries the charge type information corresponding with replying medium, determine charging rate according to charge type information;

When the video falling takes place when, because SCPa is based on the video rate when chargeing budget, when SCPa receives the monitor event that carries the charge type information corresponding with replying medium that MSCa/SSP sends, when this charge type information representation was the voice rate, SCPa was chargeed former charging rate and is adjusted into the voice charging by video.

S621, MSCa/SSP send the Apply Charging Report ACR corresponding with the charging application information;

Because SCPa after charging budget and authentication are passed through, sends an AC instruct MS Ca/SS monitoring air time, then arrive monitoring period after, MSCa/SSP is to ACR of SCPa transmission.

In S619, MSCa/SSP carries the charge type information corresponding with replying medium in the ERB signaling that reports, and MSCa/SSP can also carry the charge type information corresponding with replying medium in the ACR that S621 reports.Then the ACR that receives by parsing of SCPa obtains and carries the charge type information corresponding with replying medium, and determines charging rate according to charge type information.

S622, SCPa obtain the Apply Charging Report ACR corresponding with the charging application information that reports, and send the AC instruct MS Ca/SSP monitoring air time once more according to the charging budget result;

S623, MSCa/SSP send Apply Charging Report corresponding with the charging application information and end of conversation report;

S624, when SCPa obtains the ACR that reports and end of conversation report ERB, send the indication information RC that discharges conversation;

SCPa receives after ACR and the ERB, sends the conversation RC information that discharges to MSCa/SSP;

After S625, MSCa/SSP receive RC, further send release information REL and finish repeat circuit between the calling and called switch to MSCb/SSP;

S626, MSCb/SSP finish information RLC to MSCa/SSP transmission release after receiving REL.

Among the embodiment of Fig. 6 correspondence, the monitor event RREB signaling that SCPa replys to the monitoring that MSCa/SSP sends adopts the message informing mode, be that SCPa issues AC to MSCa/SSP at once after charge budget and authentication operations, instruct MS Ca/SSP monitors the air time in a period of time.

The video call called flow signaling diagram that Fig. 7 provides for another embodiment of the present invention, as shown in Figure 7, the monitor event RREB signaling that the monitoring that the corresponding SCPa of this embodiment adopts interrupt mode to send to MSCa/SSP is replied.

Wherein, S701～S708 can realize with reference to S601～S608, repeat no more here.

S709, SCPa directly send replay call indication information Connet signaling to MSCa/SSP after the user is chargeed budget and authentication operations;

S710～S716, MSCa/SSP begin to carry out the calling of network layer after receiving the indication information Connet signaling of replay call, carry out called connection, and wherein, handshaking procedure can repeat no more here with reference to S612～S618.

When S717, MSCa/SSP receive the response message ANM of MSCb/SSP, report the monitor event that carries the charge type information corresponding with replying medium;

S718, SCPa obtain the monitor event that carries the charge type information corresponding with replying medium, determine charging rate according to charge type information;

After S719, the adjustment charging rate, SCPa draws the air time after adjusting charging rate, and issues AC to MSCa/SSP, and instruct MS Ca/SSP monitors the air time.

Follow-up S720～S727 and S621～S626 are similar, repeat no more here.

The embodiment of Fig. 6 and Fig. 7 correspondence is the scheme of called triggering, the scheme that the caller of the embodiment that detailed process is corresponding with Fig. 4 and Fig. 5 triggers is similar, difference is, the callee is when carrying out video call, MSCa/SSP at first sends the SRI signaling to HLRb, HLRb returns callee's CAMEL-Subscription-Information T-CSI to MSCa/SSP, trigger intelligent network with callee's CAMEL-Subscription-Information T-CSI, MSCa/SSP sends the IDP signaling to SCPb and initiates video call afterwards, and process behind the MSCa/SSP initiation video call and aforementioned calling party's process are similar.

One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be finished by the relevant hardware of program command, aforesaid program can be stored in the computer read/write memory medium, this program is carried out the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.

The service control point structural representation that Fig. 8 provides for one embodiment of the invention, as shown in Figure 8, this service control point (SCP) comprises: monitoring control module 81, acquisition module 82 and accounting module 83; Wherein, monitoring control module 81 is used for setting up the process of video call, sends the monitor event that monitoring is replied to the network switch, and this monitor event is used to indicate the network switch that the called medium of replying are monitored; Acquisition module 82 is used for monitoring calledly when replying medium when the network switch, obtains the charge type information of replying the medium correspondence from the network switch; The charge type information that accounting module 83 is used for obtaining according to acquisition module 82 is determined charging rate.

When the calling subscriber initiated video call, calling party's network switch sent to SCP according to Originating CAMEL Subscription Information and triggers message, perhaps also can send to SCP according to caller rs number (number segment triggering mode) and trigger message.As in the GSM network, the moving exchanging center MSC/SSP with SSP function can start O_CSI to SCP transmission IDP signaling according to Originating CAMEL Subscription Information, thereby triggers intelligent network.

Wherein, the network switch carries the parameter of this calling of indication for video call in this triggering message, SCP knows that according to this triggering message this calling is video call, so SCP issues monitor event by monitoring control module 81 to the network switch, to indicate this network switch the called actual medium of replying is monitored.

Concrete, referring to Fig. 9, monitoring control module 81 may further include: receiving element 811, dispensing unit 812 and transmitting element 813;

Receiving element 811 is used to receive the triggering message of the network switch according to the triggering intelligent network of customer call initiation, and the described calling of indication is a video call in this triggering message; Dispensing unit 812 is used for according to this triggering message arrangement request report Basic Call State Model BCSM incident, and the indication of request report Basic Call State Model BCSM incident is monitored the called medium of replying to the network switch; Transmitting element 813 is used for the request report Basic Call State Model BCSM incident of configuration is sent to the network switch.

Optionally, this service control point (SCP) can further include: budget and authentication module 84 and conversation control module 85;

Wherein, when adopting the message informing mode to carry out monitor event when issuing, budget and authentication module 84 are used for after monitoring control module 81 sends monitor events, by the video call rate to video call charge budget and authentication; Conversation control module 85 is used for after budget and authentication module 84 are chargeed budget and authentication, send charge application AC and replay call indication information according to the video call rate to the network switch, the application AC that charges is used to indicate the network switch monitoring air time.

When adopting interrupt mode to carry out monitor event when issuing, budget and authentication module 84 are used for after monitoring control module 81 sends monitor events, by the video call rate to video call charge budget and authentication; Conversation control module 85 is used for only sending the replay call indication information to the network switch after budget and authentication module 84 are chargeed budget and authentication; After accounting module 83 is determined charging rate according to the charge type information of replying the medium correspondence, budget and authentication module 84 is according to the charging rate of the determining budget of chargeing again, and conversation control module 85 sends the application AC that charges by the charging budget of carrying out again to the network switch.

Concrete, the network switch monitor called actual when replying medium, can be carried at the acquisition module 82 that reports SCP in the monitor event with replying the corresponding charge type information of medium with this, acquisition module 82 obtains the charge type information corresponding with replying medium from the monitor event that the network switch reports.

The service control point that present embodiment provides, according to the video call trigger message that obtains, monitor replying medium by sending signaling or interrupt mode indication network switch, after network layer generation video falls after rise, receive the monitor event that carries the charge type information corresponding that the network switch reports with replying medium, determine charging rate according to charge type information, it is more accurate that prepayment service is chargeed, and the air time is more accurate.

The network switch structural representation that Figure 10 provides for one embodiment of the invention, as shown in figure 10, this network switch comprises: receiver module 11, monitoring module 12 and reporting module 13; Receiver module 11 is used to receive the monitor event that monitoring that the service control point (SCP) issues is replied; Monitoring module 12 is used for according to monitor event the called medium of replying being monitored; Reporting module 13 is used for monitoring calledly when replying medium when monitoring module 12, reports the charge type information of replying the medium correspondence to the service control point (SCP).

Optionally, the network switch can further include trigger module, when the calling subscriber initiates video call, the trigger module of the network switch sends to SCP according to user signing contract information and triggers message, perhaps also can send to SCP and trigger message according to Subscriber Number (number segment triggering mode), and in this triggering message, carry and indicate the parameter of this calling for video call, SCP knows that according to this triggering message this calling is video call, so the receiver module 11 to the network switch issues monitor event, the called actual medium of replying are monitored to indicate this network switch.

The monitoring module 12 of the network switch is monitored the called actual medium of replying according to the monitor event that SCP issues, as, monitor that called to carry out actual medium of replying be video or audio frequency.

In the called process that continues, the network switch is determined the called actual medium of replying according to the response message that returns from callee's network switch, and reporting module 13 reports with this to SCP and replys the corresponding charge type information of medium according to the medium of replying of reality.Wherein, this charge type information can be carried to the monitor event that SCP reports by the network switch, this monitor event can be ERB, the information parameter of the oAnswer/tAnswer incident that can report the ERB signaling is expanded, in extended field, carry charge type information, also can enable the backed-up value of Chargeindicator, as:

ChargeIndicator::＝OCTET?STRING(SIZE(1))

--As?specified?in?ITU-T?Recommendation?Q.763as?follows：

--no?indication′xxxx?xx00′B

--no?charge′xxxx?xx01′B

--charge′xxxx?xx10′B

The network switch that present embodiment provides, receive the monitor event that monitoring that SCP sends is replied, the medium of replying to reality are monitored, after network layer generation video falls after rise, when monitoring when replying medium, report the monitor event that carries the charge type information corresponding according to the medium of replying of reality to SCP with replying medium, indication SCP determines charging rate, it is more accurate that prepayment service is chargeed, thereby make the air time more accurate.

But the specific implementation reference method embodiment part of above-mentioned service control point and each functions of modules of the network switch repeats no more here.

It should be noted that at last: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. a video call charging method is characterized in that, comprising:

2. method according to claim 1 is characterized in that, and is described in setting up the process of video call, and the monitor event that reply to the network switch transmission monitoring service control point (SCP) comprises:

SCP receives the triggering message of the described network switch according to the triggering intelligent network of customer call initiation, and the described calling of indication is a video call in the described triggering message;

SCP makes described request report Basic Call State Model BCSM incident indicate the described network switch that the called medium of replying are monitored according to described triggering message arrangement request report Basic Call State Model BCSM incident;

SCP is sent to the described network switch with the described request report Basic Call State Model BCSM incident of configuration.

3. method according to claim 1 and 2 is characterized in that, also comprises:

SCP is after sending described monitor event, by the video call rate to described video call charge budget and authentication, and sending charge application AC and replay call indication information to the described network switch according to described video call rate, described charging application AC is used to indicate the network switch monitoring air time.

4. method according to claim 1 and 2 is characterized in that, also comprises:

SCP to described video call charge budget and authentication, and sends the replay call indication information to the described network switch by the video call rate after sending described monitor event;

SCP sends the application AC that charges according to the charging rate of determining to the described network switch after determining charging rate according to the charge type information of replying the medium correspondence, described charging application AC is used to indicate the described network exchange machine monitoring air time.

5. method according to claim 1 and 2 is characterized in that, described SCP obtains with the described corresponding charge type information of medium of replying from the described network switch and comprises:

SCP receives the monitor event that the described network switch reports, and the described and described corresponding charge type information of medium of replying is carried in the described monitor event.

6. a video call charging method is characterized in that, comprising:

7. method according to claim 6 is characterized in that, describedly according to described monitor event the called medium of replying is monitored and is comprised:

The network switch is in the called process that continues, and the response message that the monitoring callee side returns is determined the called medium of replying according to described response message.

8. according to claim 6 or 7 described methods, it is characterized in that, describedly report the charge type information corresponding to comprise with replying medium to the service control point (SCP):

In Basic Call State Model BCSM incident or Apply Charging Report, carry the charge type information corresponding with replying medium;

Report Basic Call State Model BCSM incident or the Apply Charging Report that carries the charge type information corresponding with replying medium to described service control point (SCP).

9. a service control point is characterized in that, comprising:

10. service control point according to claim 9 is characterized in that, described monitoring control module comprises:

Receiving element is used to receive the triggering message of the described network switch according to the triggering intelligent network of customer call initiation, and the described calling of indication is a video call in the described triggering message;

Dispensing unit is used for making described request report Basic Call State Model BCSM incident indicate the described network switch that the called medium of replying are monitored according to described triggering message arrangement request report Basic Call State Model BCSM incident;

Transmitting element is used for the described request report Basic Call State Model BCSM incident of configuration is sent to the described network switch.

11. according to claim 9 or 10 described service control points, it is characterized in that, also comprise:

Budget and authentication module are used for after described monitoring control module sends described monitor event, by the video call rate to described video call charge budget and authentication;

The conversation control module, be used for after described budget and authentication module are chargeed budget and authentication, send charge application AC and replay call indication information according to described video call rate to the described network switch, described charging application AC is used to indicate the network switch monitoring air time.

12. according to claim 9 or 10 described service control points, it is characterized in that, also comprise:

Budget and authentication module, be used for after described monitoring control module sends described monitor event, by the video call rate to described video call charge budget and authentication, and after described accounting module is determined charging rate according to the charge type information of replying the medium correspondence, according to the charging rate of the determining budget of chargeing again;

The conversation control module, be used for described budget and authentication module are chargeed budget and authentication by the video call rate after, send the replay call indication information to the described network switch, and after described budget and authentication module are chargeed budget again, send the application AC that charges to the described network switch by the charging budget of carrying out again.

13., it is characterized in that described acquisition module specifically is used for according to claim 9 or 10 described service control points, receive the monitor event that the network switch reports, the described and described corresponding charge type information of medium of replying is carried in the described monitor event.

14. a network switch is characterized in that, comprising:

15. the network switch according to claim 14 is characterized in that, described monitoring module specifically is used for, and in the called process that continues, the response message that the monitoring callee side returns is determined the called medium of replying according to described response message.

16., it is characterized in that described reporting module is used for that specifically the described charge type information corresponding with replying medium is carried at the Basic Call State Model BCSM incident or Apply Charging Report reports SCP according to the claim 14 or the 15 described network switchs.

17. a video call charge system is characterized in that, comprises the service control point and the network switch,