CN101848481A - System and method for testing bearer independent call control (BICC) service under access network-free condition - Google Patents

Abstract

The invention provides a system and a method for testing a bearer independent call control (BICC) service under an access network-free condition. The method comprises the following steps that: a calling audio/video session initiation protocol (SIP) terminal sends an SIP calling invitation message; an R4 simulation test platform converts the SIP calling invitation message into a BICC initial address message, sends the BICC initial address message to a tested BICC service system and establishes a 3G-224M media passage of the tested BICC service system for a calling user; the R4 simulation test platform continues establishing an RTP media passage of the calling audio/video SIP terminal; and the R4 simulation test platform bridges the established RTP media passage and the 3G-224M media passage. The system and the method belong to the field of network communication and can test various BICC service products under a TD or WCDMA network-free condition according to the simulation and media display of various calling/answering states by calling and called audio/video SIP terminals. Therefore, test cost is saved and high expandability is achieved.

Description

BICC operational trials system and method under a kind of access network-free condition

Technical field

The present invention relates to the BICC operational trials system and method under a kind of access network-free condition, belong to network communications technology field.

Background technology

Along with the third generation (3G) networks development, more and more TD or the WCDMA business that inserts based on the R4 Bearer Independent Call Control Protocol obtained using widely, as convey feelings cruel show, video enhancing, IVVR, IVDR, VPN-Partner call service BICC version etc.

Present business that these insert based on Bearer Independent Call Control Protocol (being called for short the BICC business), the signaling that the inside under no TD or WCDMA network transfers survey mainly to adopt BICC simulation test script to carry out quick-reading flow sheets is transferred and is surveyed, and has bigger limitation in this testing scheme reality:

1, uses the simulation test script can transfer the signaling process of survey to be only limited to quick-reading flow sheets, use the simulation test script to be difficult to simulation, as called mobile phone shutdown in calling out, called mobile phone rejection etc. for unusual or complicated flow process;

2, the survey of the accent of simulation test script can only be based on the signaling aspect, can't show audio frequency RTP/Nbup medium and the video 3G-324M/Nbup medium of R4, for the BICC service product based on media exhibition such as cruel show, IVVR that conveys feelings, use the simulation test script can't the business function that it provided be tested especially;

3, use the simulation test script to transfer survey restive for the opportunity of carrying out two-stage dialing in calling out.

Has bigger limitation when the BICC business being tested just because of use simulation test script, therefore most BICC operation flows can only carry out just transferring survey after existing network is disposed, thereby has caused that difficulty of test is big, the cycle is long, cost is high, influence problem such as existing network operation.How can under the condition of access network-free, under the network environment as no TD such as laboratory, company or WCDMA, these BICC business be tested? become a mission critical that influences the BICC quality of service.

Patent application CN 200810220344.8 (application title: a kind of telephone service quality test method, system and equipment thereof, application time: 2008-12-24, applicant: disclose a kind of telephone service quality test method Huawei Tech Co., Ltd), may further comprise the steps: video call is initiated in the number information simulation according to tested terminal; Indicating media gateway is set up the end points with described tested terminal communication; After described media gateway and described tested terminal are carried out coding/decoding negotiation, indicate described media gateway to carry out video communication, to test the visual telephone quality of described tested terminal by described end points and described tested terminal.This technical scheme need adopt function-enhanced mobile switching center and media gateway; increased the laboratory; testing cost under the access network-free environment such as company; and described technical scheme is by following the tracks of the foundation of media gateway and tested terminal communication end points; the negotiation of encoding and decoding and the process of video communication obtain detecting information; the telephone service quality of being tested is limited; can not be by main; true display advertising in the terminal called calling procedure, to various callings/reply under the normal or abnormality; and carry out simply based on the BICC operation flow of media exhibition; intuitively and comprehensively simulate and represent.

Therefore, how under the condition of no TD or these Access Networks of WCDMA, existing BICC operational trials scheme is improved, just become the new problem that scientific and technical personnel in the industry pay close attention to.

Summary of the invention

In view of this, the purpose of this invention is to provide the BICC operational trials system and method under a kind of access network-free condition, can be under the network condition of no TD or WCDMA, according to simulation and the true display advertising of calling and called audio/video sip terminal, all kinds of BICC service products are tested various calling/response status.

In order to achieve the above object, the invention provides the BICC operational trials system under a kind of access network-free condition, include R4 analog testing platform, several audio/video sip terminals and several tested BICC operation systems, wherein:

Described R4 analog testing platform, with the audio/video sip terminal, tested BICC operation system links to each other by network, be used for the SIP calling invitation message sent according to the audio/video sip terminal, with corresponding audio/video sip terminal, tested BICC operation system is set up media channel, and described media channel carried out bridge joint, after described media channel bridge joint is good, interactive information between described audio/video sip terminal and the tested BICC operation system is carried out signaling and media conversion, thereby realize functional test to tested BICC operation system, described media channel includes RTP media channel and 3G-324M media channel, described signaling conversion is the conversion of Session Initiation Protocol message and Bearer Independent Call Control Protocol message, and media conversion is the conversion of RTP audio/video Media Stream and 3G-324M audio/video Media Stream;

Described audio/video sip terminal, link to each other by network with the R4 analog testing platform, be used for various calling/response status are simulated, and carry out the information interaction of Session Initiation Protocol message and RTP audio/video Media Stream with the R4 analog testing platform, media content received in the calling procedure is represented;

Tested BICC operation system links to each other by network with the R4 analog testing platform, is used to adopt Bearer Independent Call Control Protocol to insert, for caller and called users provides corresponding business function and media content.

The present invention also provides the BICC under a kind of access network-free condition service test method, and described method comprises following steps:

Step 1, calling audio sip terminal send SIP calling invitation message (Invite) to the R4 analog testing platform, include the parameter that calling number, called number and described calling audio sip terminal and R4 analog testing platform consult to set up media channel in the described SIP calling invitation message (Invite) at least;

After step 2, R4 analog testing platform change into BICC initial address message (IAM) with described SIP calling invitation message (Invite), send to corresponding tested BICC operation system, and by and the media channel of described tested BICC operation system consult, for the calling subscriber of described calling sets up 3G-324M media channel between R4 analog testing platform and the tested BICC operation system;

Step 3, R4 analog testing platform continue and the calling audio sip terminal carries out the media channel negotiation, set up the RTP media channel between described calling audio sip terminal and the R4 analog testing platform;

Step 4, R4 analog testing platform are carried out bridge joint to above-mentioned RTP media channel and the 3G-324M media channel of setting up in steps.

Compared with prior art, the invention has the beneficial effects as follows: the present invention adopts SIP Phone, or audio/video sip terminal such as PC software terminal inserts, and the interactive information between described audio/video sip terminal and the tested BICC operation system is carried out the conversion of signaling and medium by the R4 analog testing platform, comprising the conversion that Session Initiation Protocol message and Bearer Independent Call Control Protocol message are arranged, and the conversion of 3G-324M audio/video Media Stream and RTP audio/video Media Stream, thereby realized simulation to TD or these Access Networks of WCDMA and R4 core net, and make that the medium (for example call out preceding multimedia color ring back tone and carry out the audio frequency and video conversation) in the calling procedure are truly represented, greatly facilitate company, under the access network-free conditions such as laboratory to the test of all kinds of BICC operation systems, do not need for testing again other devices of additional configuration, thereby saved testing cost, improved the test effect; The present invention can also transfer survey to a plurality of tested BICC operation systems simultaneously, and all right further integrated a plurality of different BICC service servers on the same tested BICC operation system, thereby can expand tested BICC number of services according to actual needs flexibly, have extensibility preferably; Simultaneously, the audio/video sip terminal can also to as shutdown, busy, rejection, out of reach, complexity such as do not answer or unusual calling/response status is simulated, and can also in calling, carry out the two-stage dialing of SIP INFO, truly represent by the medium on the described audio/video sip terminal, thus realized to various BICC operation flows based on media exhibition simply, intuitively and comprehensively simulate and test.

Description of drawings

Fig. 1 is the composition structural representation of an embodiment of the BICC operational trials system under the access network-free condition of the present invention.

Fig. 2 is the composition structural representation of R4 analog testing platform.

Fig. 3 is the composition structural representation of the R4 simulation test server of R4 analog testing platform.

Fig. 4 is the composition structural representation of an embodiment of tested BICC operation system.

Fig. 5 is the composition structural representation of the BICC service apparatus of tested BICC operation system.

Fig. 6 is the calling audio sip terminal when the R4 analog testing platform sends SIP and calls out, the flow chart of the BICC service test method under the access network-free condition of the present invention.

Fig. 7 is among Fig. 6 step S2, when if tested BICC operation system also needs to continue to call out the called subscriber, tested BICC operation system and R4 analog testing platform are set up the flow chart of media channel through consultation between R4 analog testing platform and the called audio/video sip terminal.

Fig. 8 is among Fig. 6 step S4, and the R4 analog testing platform carries out media channel schematic diagram behind the bridge joint to all RTP media channels and 3G-324M media channel.

Fig. 9 is among Fig. 6 step S2, and the R4 analog testing platform is set up the signaling process figure of 3G-324M media channel by postponing the back to setting up mode and tested BICC operation system is held consultation for described calling subscriber.

Figure 10 is among the step S3 of Fig. 6, and R4 analog testing platform and calling audio sip terminal consult to set up the signaling process figure of RTP media channel.

Figure 11 is among the step S22 of Fig. 7, and tested BICC operation system is set up the signaling process figure of 3G-324M media channel by postponing the back to setting up mode and the R4 analog testing platform is held consultation for described called subscriber.

Figure 12 is among the step S23 of Fig. 7, and R4 analog testing platform and called audio/video sip terminal consult to set up the signaling process figure of RTP media channel.

Figure 13 is that the R4 analog testing platform carries out transformation flow figure to the signaling between master or called audio/video sip terminal and the tested BICC operation system when described master or called audio/video sip terminal are simulated various calling/response status.

Figure 14 is the flow chart that the R4 analog testing platform converts the SIP calling invitation message to the BICC initial address message.

Embodiment

For making the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with drawings and Examples.

Fig. 1 is the composition structural representation of an embodiment of the BICC operational trials system under the access network-free condition of the present invention.As shown in Figure 1, BICC operational trials system under the described access network-free condition includes R4 analog testing platform 1, several audio/video sip terminals 2 (as the audio/video sip terminal A among Fig. 1, audio/video sip terminal B, audio/video sip terminal C) and several tested BICC operation systems 3 (as the tested BICC operation system a among Fig. 1, tested BICC operation system b), and described audio/video sip terminal 2, tested BICC operation system 3 link to each other with R4 analog testing platform 1 by network respectively.

Described R4 analog testing platform 1, link to each other with audio/video sip terminal 2, tested BICC operation system 3, be used for the SIP calling invitation message sent according to audio/video sip terminal 2, set up media channel with corresponding audio/video sip terminal 2, tested BICC operation system 3, and described media channel carried out bridge joint, after described media channel bridge joint is good, interactive information between described audio/video sip terminal 2 and the tested BICC operation system 3 is carried out signaling and media conversion, thereby realize functional test tested BICC operation system 3.Wherein said media channel includes the RTP media channel between audio/video sip terminal 2 and the R4 analog testing platform 1, and the 3G-324M media channel between R4 analog testing platform 1 and the tested BICC operation system 3; The conversion of described signaling is the conversion of the Bearer Independent Call Control Protocol message of the Session Initiation Protocol message of audio/video sip terminal 2 and tested BICC operation system 3, and media conversion is the conversion of the 3G-324M audio/video Media Stream of the RTP audio/video Media Stream of audio/video sip terminal 2 and tested BICC operation system 3.

Described audio/video sip terminal 2, link to each other with R4 analog testing platform 1, be used for various calling/response status are simulated, and carry out the information interaction of Session Initiation Protocol message and RTP audio/video Media Stream with R4 analog testing platform 1, media content received in the calling procedure is represented, as call out preceding multimedia color ring back tone and carry out the audio frequency and video conversation.Described audio/video sip terminal 2 both can be used as caller, sent the SIP calling invitation message by R4 analog testing platform 1 to other audio/video sip terminals 2; Can be used as called again, receive R4 analog testing platform 1 and transmit the SIP calling invitation message that other next audio/video sip terminal 2 sends, various call answering states such as simulation is normally answered, shuts down, hurried, rejection, out of reach, no response, and return corresponding Session Initiation Protocol response message to R4 analog testing platform 1.Described audio/video sip terminal 2 can be any one during the Session Initiation Protocol of SIP hard terminal, SIP phone, PC software terminal or standard accesses terminal.

Tested BICC operation system 3 links to each other with R4 analog testing platform 1, is used to adopt Bearer Independent Call Control Protocol to insert, for caller and called users provides corresponding business function and media content, as convey feelings cruel show, video enhancing, IVVR, IVDR, VPN-Partner call service etc.Described tested BICC operation system 3 and R4 analog testing platform 1 adopt Bearer Independent Call Control Protocol message and 3G-324M audio/video Media Stream to carry out alternately, and signaling and media conversion by R4 analog testing platform 1, and the media exhibition of calling and called audio/video sip terminal 2, thereby the business function of having realized tested BICC operation system 3 is tested.

As shown in Figure 2, R4 analog testing platform 1 can further include R4 simulation test server 11, R4 simulates acting server 12, R4 analog media server 13 and R4 analog synthesis programmable switch 14, wherein:

R4 simulation test server 11, be used for carrying out the Session Initiation Protocol interacting message with audio/video sip terminal 2, and by R4 simulation acting server 12, carry out the Bearer Independent Call Control Protocol interacting message with tested BICC operation system 3, and hold consultation with R4 analog media server 13 and control, thereby respectively with corresponding audio sip terminal 2, tested BICC operation system 3 is set up corresponding media channel, and the media channel of being set up carried out bridge joint, after described media channel bridge joint is good, the Session Initiation Protocol message that receives or inner Bearer Independent Call Control Protocol message are carried out the inner Bearer Independent Call Control Protocol of SIP/ transform, and control R4 analog synthesis programmable switch 14 pairs of 3G-324M audio/videos Media Stream and RTP audio/video Media Stream are changed.

R4 simulates acting server 12, is used for the inside Bearer Independent Call Control Protocol message that the outside Bearer Independent Call Control Protocol message and the R4 simulation test server 11 of 14 forwardings of R4 analog synthesis programmable switch are discerned is changed.R4 simulation acting server 12 converts the inside Bearer Independent Call Control Protocol message that R4 simulation test server 11 sends to tested BICC operation system 3 discernible outside Bearer Independent Call Control Protocol message, and transfers to R4 analog synthesis programmable switch 14 and send; Simultaneously R4 analog synthesis programmable switch 14 is transmitted the outside Bearer Independent Call Control Protocol message of coming, convert R4 simulation test server 11 discernible inner Bearer Independent Call Control Protocol message to, and described inner Bearer Independent Call Control Protocol message is transferred to R4 simulation test server 11 again handle.

R4 analog media server 13 is used for the control command according to R4 simulation test server 11, and control R4 analog synthesis programmable switch 14 carries out the conversion of media resources such as audio frequency, video.

R4 analog synthesis programmable switch 14, be used for and the extraneous interacting message that carries out based on Bearer Independent Call Control Protocol, and according to the control command of R4 analog media server 13 and R4 simulation test server 11, media resources such as audio frequency, video are regulated control, and 3G-324M audio/video Media Stream and RTP audio/video Media Stream are changed mutually.R4 analog synthesis programmable switch 14 receives the Bearer Independent Call Control Protocol message after R4 simulation acting server 12 is handled, and sends to corresponding tested BICC operation system 3 by network; The Bearer Independent Call Control Protocol message that tested BICC operation system 3 is sent is transferred to R4 simulation acting server 12 and is changed simultaneously.

As shown in Figure 3, described R4 simulation test server 11 can also further include call signaling control unit 111, TIMER control unit 112 and media control unit 113, wherein:

Call signaling control unit 111 is used to set up and safeguards the Call Control Association of main or called audio/video sip terminal 2 and R4 analog testing platform 1.

TIMER control unit 112 is used for controlling the signaling overtime timer that sends SIP calling invitation message overtime timer, BICC release channel.

Media control unit 113 is used for handling resource bid and the control of conversation procedure to R4 analog media server 13.

Referring to Fig. 4, if the BICC service product of being tested is more, each tested BICC operation system 3 can also further include BICC service integration programmable switch 31 and several BICC service apparatus 32, wherein each BICC service apparatus 32 corresponds respectively to different BICC service product and function, strengthen service apparatus, IVVR service apparatus or the like as the cruel elegant service apparatus that conveys feelings among Fig. 4, video, described BICC service apparatus 32 links to each other with BICC service integration programmable switch 31 by network, wherein:

BICC service integration programmable switch 31, be used for to external world and BICC service apparatus 32 between mutual Bearer Independent Call Control Protocol message transmit, and, media resources such as audio frequency, video are regulated control according to the control command that BICC service apparatus 32 sends.BICC service integration programmable switch 31 receives the Bearer Independent Call Control Protocol message that R4 analog testing platform 1 sends, and is transmitted to corresponding BICC service apparatus 32 after the identification; The Bearer Independent Call Control Protocol message that BICC service apparatus 32 is sent sends to R4 analog testing platform 1 by network simultaneously.

As shown in Figure 5, BICC service apparatus 32 can further include BICC service server 321, BICC acting server 322 and BICC media server 323, wherein:

BICC service server 321 is used for the calling/response status of simulating according to caller and called users, carries out the corresponding business flow process, thereby provides business function based on Bearer Independent Call Control Protocol for described caller and called users.

BICC acting server 322 is used for the inside Bearer Independent Call Control Protocol message that the outside Bearer Independent Call Control Protocol message and the BICC service server 321 of 31 forwardings of BICC service integration programmable switch are discerned is changed.

BICC media server 323 is used for the control command according to BICC service server 321, the conversion that control BICC service integration programmable switch 31 carries out as media resources such as audio frequency, videos.

As shown in Figure 6, when calling audio sip terminal 2 sent the SIP calling to R4 analog testing platform 1, the concrete operations flow process of the BICC service test method under the access network-free condition of the present invention was as follows:

Step S1, calling audio sip terminal 2 send SIP calling invitation message (Invite) to R4 analog testing platform 1.At least include calling number, called number and described calling audio sip terminal 2 and R4 analog testing platform 1 in the described SIP calling invitation message (Invite) and consult to set up the parameter of media channel.

After step S2, R4 analog testing platform 1 change into BICC initial address message (IAM) with described SIP calling invitation message (Invite), send to corresponding tested BICC operation system 3, and by and the media channel of described tested BICC operation system 3 consult, for the calling subscriber of described calling sets up 3G-324M media channel between R4 analog testing platform 1 and the tested BICC operation system 3.

Can in advance before test, be the certain number section of BICC service apparatus 32 distribution of each tested BICC operation system 3.R4 analog testing platform 1 is according to the called number in the described SIP calling invitation message (Invite), search the BICC service apparatus 32 of the affiliated corresponding tested BICC operation system 3 of number section of called number, and the BICC initial address message (IAM) after will transforming routes to the BICC service apparatus 32 of described tested BICC operation system 3.For example, the number section that certain BICC service apparatus 32 is distributed is 1386688XXXX, called number in described SIP calling invitation message (Invite) is 13866881234, R4 analog testing platform 1 is judged in the number section that described called number belongs to described BICC service apparatus 32, therefore routes the call to this BICC service apparatus 32.

Step S3, R4 analog testing platform 1 continue and calling audio sip terminal 2 carries out the media channel negotiation, set up the RTP media channel between described calling audio sip terminal 2 and the R4 analog testing platform 1.

1 couple of step S4, R4 analog testing platform above-mentioned RTP media channel and the 3G-324M media channel set up in steps carry out bridge joint.

If when tested BICC operation system 3 also needed to continue to call out the called subscriber, described tested BICC operation system 3 and R4 analog testing platform 1, R4 analog testing platform 1 and called audio/video sip terminal 2 also need be set up corresponding media channel through consultation.Referring to Fig. 7, described step S2 also includes following steps:

Step S21, tested BICC operation system 3 judge whether to need to continue to call out the called subscriber if then turn to step S22; If not, then this flow process finishes.

Step S22, tested BICC operation system 3 are sent BICC initial address message (IAM) to R4 analog testing platform 1 and are come the called audio/video sip terminal 2 of paging, and and R4 analog testing platform 1 carry out media channel and consult, for described called subscriber sets up 3G-324M media channel between tested BICC operation system 3 and the R4 analog testing platform 1.

Step S23, R4 analog testing platform 1 will change into SIP calling invitation message (Invite) from the BICC initial address message (IAM) that tested BICC operation system 3 receives, described SIP calling invitation message (Invite) is sent to called audio/video sip terminal 2, and by and the media negotiation of called audio/video sip terminal 2, set up the RTP media channel between R4 analog testing platform 1 and the called audio/video sip terminal 2.

Among Fig. 6 step S4, R4 analog testing platform 1 will carry out bridge joint to all RTP media channels and 3G-324M media channel.As shown in Figure 8, formed media channel includes behind the bridge joint:

1, when tested BICC operation system 3 does not need to continue to call out the called subscriber, the media channel of setting up by step shown in Figure 6 includes the RTP media channel between calling audio sip terminal 2 and the R4 analog testing platform 1 and is the 3G-324M media channel between the R4 analog testing platform 1 that the calling subscriber set up of described calling and the tested BICC operation system 3.Through behind the bridge joint of media channel, will form the media channel of the tested BICC operation system 3 of calling audio sip terminal 2-R4 analog testing platform 1-as shown in Fig. 8 (a);

2, when tested BICC operation system 3 also needs to continue to call out the called subscriber, pass through Fig. 6, the media channel that step shown in Figure 7 is set up includes the RTP media channel between calling audio sip terminal 2 and the R4 analog testing platform 1, be the R4 analog testing platform 1 that the calling subscriber set up of described calling and the 3G-324M media channel between the tested BICC operation system 3, be R4 analog testing platform 1 that described called subscriber set up and the 3G-324M media channel between the tested BICC operation system 3, and the RTP media channel between R4 analog testing platform 1 and the called audio/video sip terminal 2.Through behind the bridge joint of media channel, will form the media channel of the called audio/video sip terminal 2 of the tested BICC operation system of calling audio sip terminal 2-R4 analog testing platform 1-3-R4 analog testing platform 1-as shown in Fig. 8 (b).

In step shown in Fig. 6 and Fig. 7, the negotiation of the 3G-324M media channel between R4 analog testing platform 1 and the tested BICC operation system 3 can adopt BICC application transport mechanism (APM) to carry out, and adopts fast and set up, postpone forward direction foundation or postpone back any mode in setting up three kinds of modes.Wherein: 1. set up fast, promptly carry control messages and carry in IAM message and follow-up APM message, this mode had both supported forward bearer to set up, and supported the back to set up to carrying again; 2. postpone forward direction and set up, promptly bear control information carries in first back APM message after APM message; 3. postpone the back to foundation, promptly bear control information carries in APM message and follow-up APM message in first back.Fig. 9 and Figure 11 have mainly introduced the present invention and have adopted and postpone the back to the mode of setting up media channel, because it is similar to set up and postpone the realization principle that forward direction sets up mode fast, have just repeated no more.

What also will illustrate simultaneously a bit is: because the Signalling exchange between R4 simulation test server 11 and the BICC service server 321 all will be simulated acting server 12 and BICC acting server 322 carries out inner/outer Bearer Independent Call Control Protocol message transformation via R4, and described message is routed to the other side by R4 analog synthesis programmable switch 14 and BICC service integration programmable switch 31, for example, R4 simulation test server 11 will send to the inside Bearer Independent Call Control Protocol forwards of BICC service server 321 to R4 simulation acting server 12; After R4 simulation acting server 12 becomes outside Bearer Independent Call Control Protocol message with described inner Bearer Independent Call Control Protocol message transformation, described outside Bearer Independent Call Control Protocol message is sent to R4 analog synthesis programmable switch 14; R4 analog synthesis programmable switch 14 sends to BICC service integration programmable switch 31 by network with described outside Bearer Independent Call Control Protocol message; BICC service integration programmable switch 31 is given corresponding BICC acting server 322 with described outside Bearer Independent Call Control Protocol forwards again; BICC acting server 322 finally arrives BICC service server 321 after described outside Bearer Independent Call Control Protocol message transformation is become the Bearer Independent Call Control Protocol message of inside.Therefore the terseness in order to describe has just no longer been given unnecessary details the concrete reciprocal process of signaling between R4 simulation test server 11 and the BICC service server 321 in the following description.

Referring to Fig. 9, specifically introduce among the step S2 of Fig. 6, R4 analog testing platform 1 adopts after the delay in the BICC application transport mechanism to setting up mode and tested BICC operation system 3 is held consultation, and the signaling manipulation flow process of setting up the 3G-324M media channel for described calling subscriber is as follows:

Steps A 1-A2, R4 simulation test server 11 are initiated audio call to BICC service server 321: R4 simulation test server 11 sends BICC initial address message (IAM) to BICC service server 321, described BICC service server 321 returns BICC Application Transport Mechanism (APM) to R4 simulation test server 11, and the BICC Application Transport Mechanism (APM) in this step does not carry bear control information.

Steps A 3-A4, R4 simulation test server 11 receives the bear control information of R4 analog media server 13: R4 simulation test server 11 sends SIP calling invitation message (Invite) to R4 analog media server 13, described SIP calling invitation message (Invite) does not carry bear control information, R4 analog media server 13 is after successfully receiving described SIP calling invitation message (Invite), return SIP call answering response message (200OK) to R4 simulation test server 11, carry the bear control information of R4 analog media server 13 in the described SIP call answering response message (200OK).

Steps A 5-A6, R4 simulation test server 11 sends to BICC service server 321 with the bear control information of R4 analog media server 13, and the bear control information of reception BICC service server 321: R4 simulation test server 11 sends the BICC Application Transport Mechanism (APM) of the bear control information that carries R4 analog media server 13 to BICC service server 321, BICC service server 321 returns the BICC Application Transport Mechanism (APM) of the bear control information that carries BICC service server 321 to R4 simulation test server 11 after successfully receiving described BICC Application Transport Mechanism (APM).

Steps A 7-A9, R4 simulation test server 11 bear control information with BICC service server 321 send to R4 analog media server 13, and the Nb interface initialization information of reception R4 analog media server 13: R4 simulation test server 11 sends the SIP response message (Ack) of the bear control information that carries BICC service server 321 to R4 analog media server 13, R4 analog media server 13 carries out Nb interface initialization (NBUP), and after finishing Nb interface initialization (NBUP), by SIP informational message (Info) described Nb interface initialization information is returned to R4 simulation test server 11, at last by R4 simulation test server 11 after receiving described SIP informational message (Info), reply SIP call answering response messages (200OK) to R4 analog media server 13.

Referring to Figure 10, specifically to introduce among the step S3 of Fig. 6, the signaling manipulation flow process that the RTP media channel is set up in R4 analog testing platform 1 and 2 negotiations of calling audio sip terminal is as follows:

Step B1-B3, R4 simulation test server 11 sends the bear control information of calling audio sip terminal 2 to R4 analog media server 13, and the bear control information of reception R4 analog media server 13: R4 simulation test server 11 sends the SIP calling invitation message (Invite) of the bear control information that carries calling audio sip terminal 2 to R4 analog media server 13, the SIP call answering response message (200OK) that R4 analog media server 13 will carry the bear control information of R4 analog media server 13 returns to R4 simulation test server 11, at last by R4 simulation test server 11 after receiving described SIP call answering response message (200OK), send SIP response messages (Ack) to R4 analog media server 13.R4 simulation test server 11 finishes to R4 analog media server 13 application media resources.

Step B4-B5, R4 simulation test server 11 send the bear control information of R4 analog media server 13 to calling audio sip terminal 2: R4 simulation test server 11 sends the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server 13 to calling audio sip terminal 2, calling audio sip terminal 2 returns SIP response message (Ack) to R4 simulation test server 11 after successfully receiving described SIP call answering response message (200OK).

Referring to Figure 11, specifically to introduce among the step S22 of Fig. 7, tested BICC operation system 3 is by postponing the back to setting up mode and R4 analog testing platform 1 is held consultation, and the signaling manipulation flow process of setting up the 3G-324M media channel for described called subscriber is as follows:

Step C1-C2, BICC service server 321 are initiated audio call: BICC service server 321 sends BICC initial address message (IAM) to R4 simulation test server 11, R4 simulation test server 11 returns BICC Application Transport Mechanism (APM) to BICC service server 321, and the Application Transport Mechanism in this step (APM) does not carry bear control information.Because tested BICC operation system 3 is by postponing the back to setting up mode and R4 analog testing platform 1 is held consultation, so R4 simulation test server 11 does not carry bear control information to the BICC Application Transport Mechanism (APM) that R4 simulation test server 11 sends.

Step C3-C5, BICC service server 321 are transmitted the bear control information of BICC media server 323 to R4 simulation test server 11: BICC service server 321 sends SIP calling invitation message (Invite) to BICC media server 323, and described SIP calling invitation message (Invite) does not carry bear control information; BICC media server 323 is after receiving SIP calling invitation message (Invite), reply the SIP call answering response message (200OK) of the bear control information that carries BICC media server 323 to BICC service server 321, at last by BICC service server 321 after receiving described SIP call answering response message (200OK), transmit the BICC Application Transport Mechanism (APM) of the bear control information that carries BICC media server 323 to R4 simulation test server 11.

Step C6-C8, R4 simulation test server 11 sends the bear control information of BICC media server 323 to R4 analog media server 13, and the bear control information of reception R4 analog media server 13: R4 simulation test server 11 sends the SIP calling invitation message (Invite) of the bear control information that carries BICC media server 323 to R4 analog media server 13, R4 analog media server 13 is after receiving SIP calling invitation message (Invite), send the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server 13 to R4 simulation test server 11, last R4 simulation test server 11 sends SIP response message (Ack) to R4 analog media server 13 after successfully receiving SIP call answering response message (200OK).R4 simulation test server 11 finishes to R4 analog media server 13 application media resources.

Step C9-C10, R4 simulation test server 11 pass through BICC service server 321 with the bear control information of R4 analog media server 13, pass to BICC media server 323:R4 simulation test server 11 bear control information of R4 analog media server 13 is sent to BICC service server 321 by BICC Application Transport Mechanism (APM), BICC service server 321 sends the SIP response message (Ack) of the bear control information that carries R4 analog media server 13 to BICC media server 323.BICC service server 321 is finished to BICC media server 323 application media resources.

Step C11-C14, BICC media server 323 and R4 analog media server 13 carry out the Nb interface initialization respectively, and the Nb interface initialization information sent to BICC service server 321 respectively and R4 simulation test server 11:BICC media server 323 carries out Nb interface initialization (NBUP), send SIP informational message (Info) to BICC service server 321 after finishing, after BICC service server 321 is received SIP informational message (Info), return SIP call answering response message (200OK) to BICC media server 323; R4 analog media server 13 carries out Nb interface initialization (NBUP) simultaneously, send SIP informational message (Info) to R4 simulation test server 11 after finishing, after R4 simulation test server 11 is received described SIP informational message (Info), return SIP call answering response message (200OK) to R4 analog media server 13.

Referring to Figure 12, specifically to introduce among the step S23 of Fig. 7, the signaling manipulation flow process that the RTP media channel is set up in R4 analog testing platform 1 and 2 negotiations of called audio/video sip terminal is as follows:

Step D1-D2, R4 simulation test server 11 receive the bear control information of R4 analog media server 13: R4 simulation test server 11 sends SIP calling invitation message (Invite) to R4 analog media server 13, described SIP calling invitation message (Invite) does not carry bear control information, R4 analog media server 13 is replied the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server 13 to R4 simulation test server 11 after successfully receiving SIP calling invitation message (Invite).

Step D3-D6, R4 simulation test server 11 sends the bear control information of R4 analog media server 13 to called audio/video sip terminal 2, and after called audio/video sip terminal 2 is normally answered, receive the bear control information of called audio/video sip terminal 2: R4 simulation test server 11 sends the SIP calling invitation message (Invite) of the bear control information that carries R4 analog media server 13 to called audio/video sip terminal 2, called audio/video sip terminal 2 rings are also replied sip user ALERTING messages (180 Ring) to R4 simulation test server 11, behind called audio/video sip terminal 2 off-hooks, return SIP call answering response message (200OK) to R4 simulation test server 11, described SIP call answering response message (200OK) carries the bear control information of called audio/video sip terminal 2, last R4 simulation test server 11 is replied SIP response message (Ack) to called audio/video sip terminal 2 after successfully receiving SIP call answering response message (200OK).

Step D7, R4 simulation test server 11 send the bear control information of called audio/video sip terminal 2 to R4 analog media server 13: R4 simulation test server 11 sends the SIP response message (Ack) of the bear control information that carries called audio/video sip terminal 2 to R4 analog media server 13.R4 simulation test server 11 finishes to R4 analog media server 13 application media resources.

After described calling audio sip terminal 2 is set up to the media channel of called audio/video sip terminal 2, called audio/video sip terminal 2 is except can simulating the call answering state of normally answering, can also be to shutdown, busy, rejection, out of reach, the abnormal call response status such as do not answer and simulate, and return corresponding Session Initiation Protocol message to R4 analog testing platform 1, for example:

1, when the called shutdown of simulation, described called audio/video sip terminal 2 can return the unregistered message of sip user (404 Not Found) to R4 analog testing platform 1;

2, when the simulation Called Busy, described called audio/video sip terminal 2 can return the busy message (486 Busy) of sip user to R4 analog testing platform 1;

3, when the called rejection of simulation, described called audio/video sip terminal 2 can return sip user ALERTING message (180 Ring) earlier to R4 analog testing platform 1, and then returns sip user rejection message (486 Busy);

4, when the called out of reach of simulation, described called audio/video sip terminal 2 returns SIP request timed out message (408 Request Timeout) to R4 analog testing platform 1;

5, called when not answering when simulation, described called audio/video sip terminal 2 returns sip user ALERTING message (180 Ring) earlier to R4 analog testing platform 1, and then returns SIP request timed out message (408 Request Timeout).

As shown in figure 13, when described master or 2 pairs of various calling/response status of called audio/video sip terminal were simulated, the concrete operations step that the mutual signaling between 1 couple of master of R4 analog testing platform or called audio/video sip terminal 2 and the tested BICC operation system 3 is changed was as follows:

Step e 1, R4 analog testing platform 1 will send to tested BICC operation system 3 after will becoming Bearer Independent Call Control Protocol message from the Session Initiation Protocol message transformation that described master or called audio/video sip terminal 2 receive;

Step e 2, tested BICC operation system 3 are handled according to the service logic of self, and will handle Bearer Independent Call Control Protocol message that the back generates and transfer to R4 analog testing platform 1 and notify corresponding master or called audio/video sip terminal 2;

After step e 3, R4 analog testing platform 1 will become Session Initiation Protocol message from the Bearer Independent Call Control Protocol message transformation that tested BICC operation system 3 receives, send to corresponding master or called audio/video sip terminal 2.

In the step shown in Figure 13, the mutual conversion of Session Initiation Protocol message and Bearer Independent Call Control Protocol message mainly includes: the exchange of SIP calling invitation message (Invite) and BICC initial address message (IAM); SIP calls out the exchange of provisional response response message (1XX) and BICC Address Complete Message (ACM); The exchange of SIP call answering response message (200OK) and BICC response message (ANM); The exchange of SIP call error or exception response message (4XX) and BICC Address Complete Message (ACM) or BICC call progress message (CPG); The exchange of SIP call end request message (BYE) and BICC call release message (REL), to become the detailed process of Bearer Independent Call Control Protocol message to be introduced to the Session Initiation Protocol message transformation below, because the Bearer Independent Call Control Protocol message transformation becomes the process of Session Initiation Protocol message also similar, just repeats no more.Wherein:

1, SIP calling invitation message (Invite) changes into BICC initial address message (IAM)

For example, R4 analog testing platform 1 received SIP calling invitation message (Invite) example can be as follows:

INVITE?sip：callas@vp.com?SIP/2.0

Via：SIP/2.0/UDP?10.1.82.230：5060；branch＝z9hG4bK776asdhds

Max-Forwards：70

To：<sip：134899991699@vp.com>

From：< sip：14899991001@vp.com>；tag＝1928301774

Call-ID： a84b4c76e66710@pc33.atlanta.com

CSeq：314159?INVITE

Contact： sip：14899991001@10.1.82.230：5060.com

Content-Type：application/sdp

Content-Length：142

v＝0

o＝sip：14899991001@vp.com?0?0?IN?IP4?218.200.239.206

s＝14899991001

i＝-

c＝IN?IP4?218.200.239.206

b＝AS：256

t＝0?0

m＝audio?20792?RTP/AVP?0

a＝rtpmap：0?PCMU/8000

a＝sendrecv

m＝video?20958?RTP/AVP?34

a＝rtpmap：34?H263/90000

a＝sendrecv

Referring to Figure 14, it is as follows with the concrete operations flow process that SIP calling invitation message (Invite) converts BICC initial address message (IAM) to introduce R4 analog testing platform 1 in detail:

Step F 1, R4 analog testing platform 1 extract dialing number information from the FROM territory of SIP calling invitation message (Invite).For example, in above-mentioned SIP calling invitation message (Invite) example, From:＜ Sip:14899991001@vp.com 〉, wherein calling number is 14899991001.

Step F 2, R4 analog testing platform 1 extract called number information from the TO territory of SIP calling invitation message (Invite).For example, in above-mentioned SIP calling invitation message (Invite) example, To: Sip:134899991699@vp.com, wherein called number is 134899991699.

Step F 3, R4 analog testing platform 1 are judged the audio-video frequency media attribute that described SIP calls out according to the medium property of SDP in the described SIP calling invitation message (Invite), if not only had m=audio, but also existed m=video capable, represented then that the audio-video frequency media attribute that described SIP calls out was a video call; Capable as only there being m=audio, represent that then the audio-video frequency media attribute that described SIP calls out is an audio call.In above-mentioned SIP calling invitation message (Invite) example, m=audio and m=video are capable owing to existing, and the audio-video frequency media attribute of described example is a video call.

Step F 4, R4 analog testing platform 1 are according to calling number, called number and the audio-video frequency media attribute information of described SIP calling invitation message (Invite), generate corresponding BICC initial address message (IAM), wherein " rear subscriber number " in the BICC initial address message (IAM), " called number " and " user service information " correspond respectively to " calling number ", " called number " and " audio-video frequency media attribute " of SIP calling invitation message (Invite).Calling number, called number and the audio-video frequency media property parameters that R4 analog testing platform 1 will take out from SIP calling invitation message (Invite) inserted in " rear subscriber number ", " called number " and " user service information " parameter of BICC initial address message (IAM).

2, SIP calls out provisional response response message (1XX) and changes into BICC Address Complete Message (ACM)

After R4 analog testing platform 1 receives SIP calling provisional response response message (1XX), sip user ALERTING message (180 Ring) for example, generate BICC Address Complete Message (ACM), and in described BICC Address Complete Message (ACM), increase optional backward call indicator parameter.

3, SIP call answering response message (200OK) changes into BICC response message (ANM)

After R4 analog testing platform 1 receives SIP call answering response message (200OK), generate BICC response message (ANM).

4, SIP call error or exception response message (4XX) change into BICC Address Complete Message (ACM) or BICC call progress message (CPG).Described SIP call error or exception response message (4XX) mainly comprise following 4 kinds of situations:

(1), for the unregistered message of sip user (404 Not Found)

When the called shutdown of called audio/video sip terminal 2 simulations, after R4 analog testing platform 1 receives the unregistered message of sip user (404 Not Found), generate BICC Address Complete Message (ACM), and the reason deictic word parameter field that described BICC Address Complete Message (ACM) is set is called shutdown (Subscriber Absent).

(2), for SIP request timed out message (408 Request Timeout)

When the called audio/video sip terminal 2 called out of reach of simulation or called when not answering, after R4 analog testing platform 1 receives SIP request timed out message (408 Request Timeout), at first generate the BICC Address Complete Message (ACM) of no ring indication, generate BICC call progress message (CPG) and then, and the reason deictic word parameter field that described BICC call progress message (CPG) is set is called response (No Response).Ring indication expression user ring is carried in BICC Address Complete Message (ACM) lining under the normal condition, if BICC Address Complete Message (ACM) lining does not have the ring indication, then can judge whether situations such as user's ring, rejection, call forwarding according to follow-up BICC call progress message (CPG).

(3), the busy message (486 Busy) of sip user

When called audio/video sip terminal 2 is simulated Called Busy, after R4 analog testing platform 1 receives the busy message (486Busy) of sip user, generate the BICC Address Complete Message (ACM) of no ring indication earlier, generate BICC call progress message (CPG) and then, and the reason deictic word parameter field that described BICC call progress message (CPG) is set is Called Busy (Busy).

(4), sip user rejection message (486 Busy)

The difference of the busy message (486 Busy) of sip user rejection message (486 Busy) and sip user is, R4 analog testing platform 1 can to distinguish described message be the busy message of sip user, or sip user rejection message according to whether also receiving sip user ALERTING message (180 Ring).When R4 analog testing platform 1 only received Session Initiation Protocol message (486 Busy), then described message was the busy message (486 Busy) of sip user; When R4 analog testing platform 1 successively received sip user ALERTING message (180 Ring) and Session Initiation Protocol message (486 Busy), then described message was sip user rejection message (486Busy).For sip user rejection message (486 Busy), when at first receiving sip user ALERTING message (180 Ring), R4 analog testing platform 1 generates the BICC Address Complete Message (ACM) that carries the ring indication earlier, then when receiving that sip user does message (486 Busy), R4 analog testing platform 1 regeneration BICC call progress message (CPG), the reason deictic word parameter field of described BICC call progress message (CPG) is Called Busy (Busy).

5, SIP call end request message (BYE) changes into BICC call release message (REL)

After R4 analog testing platform 1 receives SIP call end request message (BYE), generate BICC call release message (REL), and the reason deictic word parameter in the described BICC call release message (REL) is arranged to normal release.

R4 analog testing platform 1 can also be changed the Media Stream between tested BICC operation system 3, the main or called audio/video sip terminal 2 simultaneously, thereby finally can on calling and called audio/video sip terminal 2, truly represent the media content in the various BICC service call processes, as the multimedia color ring back tone when calling out or carry out the audio/video conversation, the present invention also includes a following step or a multistep:

After step G1, R4 analog testing platform 1 will change into RTP audio/video Media Stream from the 3G-324M audio/video Media Stream that tested BICC operation system 3 receives, send to main or called audio/video sip terminal 2; Or

Step G2, R4 analog testing platform 1 will send to tested BICC operation system 3 after will changing into 3G-324M audio/video Media Stream from the RTP audio/video Media Stream that master or called audio/video sip terminal 2 receive.

When calling audio sip terminal 2 carries out the two-stage dialing of SIP INFO in calling, the SIP INFO dialing information that 1 pair of described calling audio sip terminal 2 of R4 analog testing platform sends is resolved, and deliver to tested BICC operation system 3 after being transformed into the DTMF keypad tone, BICC service server 321 by correspondence carries out respective handling, and described step further includes:

Step H1, calling audio sip terminal 2 send SIP INFO dialing information to R4 simulation test server 11.

The calling audio terminal push information that step H2, R4 simulation test server 11 are analyzed in the described SIP INFO dialing information, and after being transformed into the DTMF keypad tone by the comprehensive programmable switch of interior signaling control R4, described DTMF keypad tone is sent to BICC service server 321.

Claims (14)

1. the BICC operational trials system under the access network-free condition is characterized in that, includes R4 analog testing platform, several audio/video sip terminals and several tested BICC operation systems, wherein:

Described R4 analog testing platform, with the audio/video sip terminal, tested BICC operation system links to each other by network, be used for the SIP calling invitation message sent according to the audio/video sip terminal, with corresponding audio/video sip terminal, tested BICC operation system is set up media channel, and described media channel carried out bridge joint, after described media channel bridge joint is good, interactive information between described audio/video sip terminal and the tested BICC operation system is carried out signaling and media conversion, thereby realize functional test to tested BICC operation system, described media channel includes RTP media channel and 3G-324M media channel, described signaling conversion is the conversion of Session Initiation Protocol message and Bearer Independent Call Control Protocol message, and media conversion is the conversion of RTP audio/video Media Stream and 3G-324M audio/video Media Stream;

Described audio/video sip terminal, link to each other by network with the R4 analog testing platform, be used for various calling/response status are simulated, and carry out the information interaction of Session Initiation Protocol message and RTP audio/video Media Stream with the R4 analog testing platform, media content received in the calling procedure is represented;

Tested BICC operation system links to each other by network with the R4 analog testing platform, is used to adopt Bearer Independent Call Control Protocol to insert, for caller and called users provides corresponding business function and media content.

2. BICC operational trials as claimed in claim 1 system, it is characterized in that, described R4 analog testing platform can further include R4 simulation test server, R4 simulates acting server, R4 analog media server and R4 analog synthesis programmable switch, wherein:

R4 simulation test server, be used for carrying out the Session Initiation Protocol interacting message with the audio/video sip terminal, and by R4 simulation acting server, carry out the Bearer Independent Call Control Protocol interacting message with tested BICC operation system, and hold consultation with R4 analog media server and control, thereby respectively with the corresponding audio sip terminal, tested BICC operation system is set up corresponding media channel, and the media channel of being set up carried out bridge joint, after described media channel bridge joint is good, the Session Initiation Protocol message or the inner Bearer Independent Call Control Protocol message that receive are carried out the inner Bearer Independent Call Control Protocol conversion of SIP/, and control R4 analog synthesis programmable switch is changed to 3G-324M audio/video Media Stream and RTP audio/video Media Stream;

R4 simulates acting server, is used for the inside Bearer Independent Call Control Protocol message that the outside Bearer Independent Call Control Protocol message and the R4 simulation test server of the forwarding of R4 analog synthesis programmable switch are discerned is changed;

R4 analog media server is used for the control command according to R4 simulation test server, and control R4 analog synthesis programmable switch carries out the conversion of media resource;

R4 analog synthesis programmable switch, be used for and the extraneous interacting message that carries out based on Bearer Independent Call Control Protocol, and according to the control command of R4 analog media server and R4 simulation test server, media resource is regulated control, and 3G-324M audio/video Media Stream and RTP audio/video Media Stream are changed mutually.

3. BICC operational trials as claimed in claim 1 system is characterized in that, tested BICC operation system further includes BICC service integration programmable switch and several BICC service apparatus, wherein:

BICC service integration programmable switch, be used for to external world and the BICC service apparatus between mutual Bearer Independent Call Control Protocol message transmit, and, media resource is regulated control according to the control command that the BICC service apparatus sends;

The BICC service server is used for the calling/response status of simulating according to caller and called users, carries out the corresponding business flow process, thereby provides business function based on Bearer Independent Call Control Protocol for described caller and called users;

The BICC acting server is used for the inside Bearer Independent Call Control Protocol message that the outside Bearer Independent Call Control Protocol message and the BICC service server of the forwarding of BICC service integration programmable switch are discerned is changed;

The BICC media server is used for the control command according to the BICC service server, and control BICC service integration programmable switch carries out the conversion of media resource;

Described several BICC service apparatus link to each other with BICC service integration programmable switch by network.

4. the BICC service test method under the access network-free condition is characterized in that described method comprises following steps:

Step 1, calling audio sip terminal send SIP calling invitation message (Invite) to the R4 analog testing platform, include the parameter that calling number, called number and described calling audio sip terminal and R4 analog testing platform consult to set up media channel in the described SIP calling invitation message (Invite) at least;

After step 2, R4 analog testing platform change into BICC initial address message (IAM) with described SIP calling invitation message (Invite), send to corresponding tested BICC operation system, and by and the media channel of described tested BICC operation system consult, for the calling subscriber of described calling sets up 3G-324M media channel between R4 analog testing platform and the tested BICC operation system;

Step 3, R4 analog testing platform continue and the calling audio sip terminal carries out the media channel negotiation, set up the RTP media channel between described calling audio sip terminal and the R4 analog testing platform;

Step 4, R4 analog testing platform are carried out bridge joint to above-mentioned RTP media channel and the 3G-324M media channel of setting up in steps.

5. BICC service test method as claimed in claim 4 is characterized in that, described step 2 also includes:

Do step 21, tested BICC operation system judge whether to need to continue to call out the called subscriber? if then turn to step 22; If not, then this flow process finishes;

Step 22, tested BICC operation system are sent BICC initial address message (IAM) to the R4 analog testing platform and are come the called audio/video sip terminal of paging, and and the R4 analog testing platform carry out media channel and consult, for described called subscriber sets up 3G-324M media channel between tested BICC operation system and the R4 analog testing platform;

Step 23, R4 analog testing platform will change into SIP calling invitation message (Invite) from the BICC initial address message (IAM) that tested BICC operation system receives, described SIP calling invitation message (Invite) is sent to called audio/video sip terminal, and by and the media negotiation of called audio/video sip terminal, set up the RTP media channel between R4 analog testing platform and the called audio/video sip terminal.

6. BICC service test method as claimed in claim 5, it is characterized in that, described R4 analog testing platform includes R4 simulation test server and R4 analog media server at least, described tested BICC operation system includes the BICC service server at least, when setting up mode and tested BICC operation system negotiation media channel, described step 2 further includes after the delay in the R4 analog testing platform employing BICC application transport mechanism:

Steps A 1, R4 simulation test server are initiated audio call to the BICC service server: R4 simulation test server sends BICC initial address message (IAM) to the BICC service server, described BICC service server returns BICC Application Transport Mechanism (APM) to R4 simulation test server, and the BICC Application Transport Mechanism (APM) in this step does not carry bear control information;

Steps A 2, R4 simulation test server receives the bear control information of R4 analog media server: R4 simulation test server sends SIP calling invitation message (Invite) to R4 analog media server, described SIP calling invitation message (Invite) does not carry bear control information, R4 analog media server is after successfully receiving described SIP calling invitation message (Invite), return SIP call answering response message (200OK) to R4 simulation test server, carry the bear control information of R4 analog media server in the described SIP call answering response message (200OK);

Steps A 3, R4 simulation test server send to the BICC service server with the bear control information of R4 analog media server, and the bear control information of reception BICC service server: R4 simulation test server sends the BICC Application Transport Mechanism (APM) of the bear control information that carries R4 analog media server to the BICC service server, the BICC service server returns the BICC Application Transport Mechanism (APM) of the bear control information that carries the BICC service server to R4 simulation test server after successfully receiving described BICC Application Transport Mechanism (APM);

Steps A 4, R4 simulation test server sends to R4 analog media server with the bear control information of BICC service server, and the Nb interface initialization information of reception R4 analog media server: R4 simulation test server sends the SIP response message (Ack) of the bear control information that carries the BICC service server to R4 analog media server, R4 analog media server carries out Nb interface initialization (NBUP), and after finishing Nb interface initialization (NBUP), by SIP informational message (Info) described Nb interface initialization information is returned to R4 simulation test server, at last by R4 simulation test server after receiving described SIP informational message (Info), reply SIP call answering response message (200OK) to R4 analog media server.

7. BICC service test method as claimed in claim 5 is characterized in that, the R4 analog testing platform includes R4 simulation test server and R4 analog media server at least, and described step 3 further includes:

Step B1, R4 simulation test server sends the bear control information of calling audio sip terminal to R4 analog media server, and the bear control information of reception R4 analog media server: R4 simulation test server sends the SIP calling invitation message (Invite) of the bear control information that carries the calling audio sip terminal to R4 analog media server, the SIP call answering response message (200OK) that R4 analog media server will carry the bear control information of R4 analog media server returns to R4 simulation test server, at last by R4 simulation test server after receiving described SIP call answering response message (200OK), send SIP response message (Ack) to R4 analog media server;

Step B2, R4 simulation test server send the bear control information of R4 analog media server to the calling audio sip terminal: R4 simulation test server sends the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server to the calling audio sip terminal, the calling audio sip terminal returns SIP response message (Ack) to R4 simulation test server after successfully receiving described SIP call answering response message (200OK).

8. BICC service test method as claimed in claim 5, it is characterized in that, described R4 analog testing platform includes R4 simulation test server and R4 analog media server at least, described tested BICC operation system includes BICC service server and BICC media server at least, in the described step 22, tested BICC operation system consults to set up media channel to setting up mode and R4 analog testing platform by postponing the back, further includes:

Step 221, BICC service server are initiated audio call: the BICC service server sends BICC initial address message (IAM) to R4 simulation test server, R4 simulation test server returns BICC Application Transport Mechanism (APM) to the BICC service server, and the Application Transport Mechanism in this step (APM) does not carry bear control information;

Step 222, BICC service server are to the bear control information of R4 simulation test server forwards BICC media server: the BICC service server sends SIP calling invitation message (Invite) to the BICC media server, and described SIP calling invitation message (Invite) does not carry bear control information; The BICC media server is after receiving SIP calling invitation message (Invite), reply the SIP call answering response message (200OK) of the bear control information that carries the BICC media server to the BICC service server, at last by the BICC service server after receiving described SIP call answering response message (200OK), carry the BICC Application Transport Mechanism (APM) of the bear control information of BICC media server to R4 simulation test server forwards;

Step 223, R4 simulation test server sends the bear control information of BICC media server to R4 analog media server, and the bear control information of reception R4 analog media server: R4 simulation test server sends the SIP calling invitation message (Invite) of the bear control information that carries the BICC media server to R4 analog media server, R4 analog media server is after receiving SIP calling invitation message (Invite), send the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server to R4 simulation test server, last R4 simulation test server sends SIP response message (Ack) to R4 analog media server after successfully receiving SIP call answering response message (200OK);

Step 224, R4 simulation test server pass through the BICC service server with the bear control information of R4 analog media server, pass to the BICC media server: R4 simulation test server sends to the BICC service server with the bear control information of R4 analog media server by BICC Application Transport Mechanism (APM), and the BICC service server sends the SIP response message (Ack) of the bear control information that carries R4 analog media server to the BICC media server;

Step 225, BICC media server and R4 analog media server carry out the Nb interface initialization respectively, and the Nb interface initialization information sent to BICC service server and R4 simulation test server respectively: the BICC media server carries out Nb interface initialization (NBUP), send SIP informational message (Info) to the BICC service server after finishing, after the BICC service server is received SIP informational message (Info), return SIP call answering response message (200OK) to the BICC media server; R4 analog media server carries out Nb interface initialization (NBUP) simultaneously, send SIP informational message (Info) to R4 simulation test server after finishing, after R4 simulation test server is received described SIP informational message (Info), return SIP call answering response message (200OK) to R4 analog media server.

9. BICC service test method as claimed in claim 5 is characterized in that, described R4 analog testing platform includes R4 simulation test server and R4 analog media server at least, and described step 23 further includes:

Step 231, R4 simulation test server receive the bear control information of R4 analog media server: R4 simulation test server sends SIP calling invitation message (Invite) to R4 analog media server, described SIP calling invitation message (Invite) does not carry bear control information, R4 analog media server is replied the SIP call answering response message (200OK) of the bear control information that carries R4 analog media server to R4 simulation test server after successfully receiving SIP calling invitation message (Invite);

Step 232, R4 simulation test server sends the bear control information of R4 analog media server to called audio/video sip terminal, and after called audio/video sip terminal is normally answered, receive the bear control information of called audio/video sip terminal: R4 simulation test server sends the SIP calling invitation message (Invite) of the bear control information that carries R4 analog media server to called audio/video sip terminal, the ring of called audio/video sip terminal is also replied sip user ALERTING message (180Ring) to R4 simulation test server, behind called audio/video sip terminal off-hook, return SIP call answering response message (200OK) to R4 simulation test server, described SIP call answering response message (200OK) carries the bear control information of called audio/video sip terminal, last R4 simulation test server is replied SIP response message (Ack) to called audio/video sip terminal after successfully receiving SIP call answering response message (200OK);

Step 233, R4 simulation test server send the bear control information of called audio/video sip terminal to R4 analog media server: R4 simulation test server sends the SIP response message (Ack) of the bear control information that carries called audio/video sip terminal to R4 analog media server.

10. BICC service test method as claimed in claim 5, it is characterized in that, after described calling audio sip terminal is set up to the media channel of called audio/video sip terminal, called audio/video sip terminal is except can simulating the call answering state of normally answering, can also simulate shutdown, busy, rejection, out of reach, the abnormal call response status of not answering, and return corresponding Session Initiation Protocol message to the R4 analog testing platform, include:

(1), when simulation during called shutdown, described called sound/look sip terminal to return the unregistered message of sip user (404 Not Found) to the R4 analog testing platform;

(2), when simulation during Called Busy, described called audio/video sip terminal returns the busy message (486 Busy) of sip user to the R4 analog testing platform;

(3), when simulation during called rejection, described called audio/video sip terminal returns sip user ALERTING message (180 Ring) earlier to the R4 analog testing platform, and then returns sip user rejection message (486 Busy);

(4), when simulation during called out of reach, described called audio/video sip terminal returns SIP request timed out message (408 Request Timeout) to the R4 analog testing platform;

(5), called when not answering when simulation, described called audio/video sip terminal returns sip user ALERTING message (180 Ring) earlier to the R4 analog testing platform, and then returns SIP request timed out message (408 Request Timeout).

11. BICC service test method as claimed in claim 5 is characterized in that, when described master or called audio/video sip terminal are simulated various calling/response status, also includes following steps:

Step C1, R4 analog testing platform will send to tested BICC operation system after will becoming Bearer Independent Call Control Protocol message from the Session Initiation Protocol message transformation that described master or called audio/video sip terminal receive;

Step C2, tested BICC operation system are handled according to the service logic of self, and will handle Bearer Independent Call Control Protocol message that the back generates and transfer to the R4 analog testing platform and notify corresponding master or called audio/video sip terminal;

After step C3, R4 analog testing platform will become Session Initiation Protocol message from the Bearer Independent Call Control Protocol message transformation that tested BICC operation system receives, send to corresponding master or called audio/video sip terminal.

12. BICC service test method as claimed in claim 11, it is characterized in that the mutual conversion of described Session Initiation Protocol message and Bearer Independent Call Control Protocol message mainly includes: the exchange of (1) SIP calling invitation message (Invite) and BICC initial address message (IAM); (2) SIP calls out the exchange of provisional response response message (1XX) and BICC Address Complete Message (ACM); (3) exchange of SIP call answering response message (200OK) and BICC response message (ANM); (4) exchange of SIP call error or exception response message (4XX) and BICC call progress message (CPG); (5) exchange of SIP call end request message (BYE) and BICC call release message (REL), wherein

(1) SIP calling invitation message (Invite) changes into BICC initial address message (IAM), further includes:

Step D1, R4 analog testing platform extract dialing number information from the FROM territory of SIP calling invitation message (Invite);

Step D2, R4 analog testing platform extract called number information from the TO territory of SIP calling invitation message (Invite);

Step D3, R4 analog testing platform are judged the audio-video frequency media attribute that described SIP calls out according to the medium property of SDP in the described SIP calling invitation message (Invite), if not only had m=audio, but also existed m=video capable, represented then that the audio-video frequency media attribute that described SIP calls out was a video call; Capable as only there being m=audio, represent that then the audio-video frequency media attribute that described SIP calls out is an audio call;

Step D4, R4 analog testing platform are according to calling number, called number and the audio-video frequency media attribute information of described SIP calling invitation message (Invite), generate corresponding BICC initial address message (IAM), wherein " rear subscriber number " in the BICC initial address message (IAM), " called number " and " user service information " correspond respectively to " calling number ", " called number " and " audio-video frequency media attribute " of SIP calling invitation message (Invite);

(2) SIP calls out provisional response response message (1XX) and changes into BICC Address Complete Message (ACM), further includes:

After the R4 analog testing platform receives sip user ALERTING message (180Ring), generate BICC Address Complete Message (ACM), and in described BICC Address Complete Message (ACM), increase optional backward call indicator parameter;

(3) SIP call answering response message (200OK) changes into BICC response message (ANM), further includes:

After the R4 analog testing platform receives SIP call answering response message (200OK), generate BICC response message (ANM);

(4) SIP call error or exception response message (4XX) change into BICC call progress message (CPG), comprise following 4 kinds of situations:

1., for the unregistered message of sip user (404 Not Found)

After the R4 analog testing platform receives the unregistered message of sip user (404 Not Found), generate BICC Address Complete Message (ACM), and the reason deictic word parameter field that described BICC Address Complete Message (ACM) is set is called shutdown (SubscriberAbsent);

2., for SIP request timed out message (408 Request Timeout)

After the R4 analog testing platform receives SIP request timed out message (408 Request Timeout), at first generate the BICC Address Complete Message (ACM) of no ring indication, generate BICC call progress message (CPG) and then, and the reason deictic word parameter field that described BICC call progress message (CPG) is set is called response (No Response);

3., the busy message (486 Busy) of sip user

After the R4 analog testing platform receives the busy message (486 Busy) of sip user, generate the BICC Address Complete Message (ACM) of no ring indication earlier, generate BICC call progress message (CPG) and then, and the reason deictic word parameter field that described BICC call progress message (CPG) is set is Called Busy (Busy);

4., sip user rejection message (486 Busy)

When at first receiving sip user ALERTING message (180 Ring), the R4 analog testing platform generates the BICC Address Complete Message (ACM) that carries the ring indication earlier, then when receiving that sip user does message (486 Busy), R4 analog testing platform regeneration BICC call progress message (CPG), the reason deictic word parameter field of described BICC call progress message (CPG) is Called Busy (Busy);

(5) SIP call end request message (BYE) changes into BICC call release message (REL), further includes:

After the R4 analog testing platform receives SIP call end request message (BYE), generate BICC call release message (REL), and the reason deictic word parameter in the described BICC call release message (REL) is arranged to normal release.

13. BICC service test method as claimed in claim 11 is characterized in that, also includes a following step or a multistep:

After step e 1, R4 analog testing platform will change into RTP audio/video Media Stream from the 3G-324M audio/video Media Stream that tested BICC operation system receives, send to main or called audio/video sip terminal; Or

Step e 2, R4 analog testing platform will send to tested BICC operation system after will changing into 3G-324M audio/video Media Stream from the RTP audio/video Media Stream that master or called audio/video sip terminal receive.

14. BICC service test method as claimed in claim 4 is characterized in that, when the calling audio sip terminal carries out the two-stage dialing of SIP INFO in calling, further includes:

Step F 1, calling audio sip terminal send SIP INFO dialing information to the R4 analog testing platform;

Step F 2, R4 analog testing platform are analyzed the calling audio terminal push information in the described SIP INFO dialing information, change into the DTMF keypad tone, and described DTMF keypad tone is sent to tested BICC operation system.

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