CN101854612A - IMS domain dialogue control method, system and supplementary business server - Google Patents
IMS domain dialogue control method, system and supplementary business server Download PDFInfo
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Abstract
The invention relates to the filed of mobile communication, and provides an IMS domain dialogue control method, a system and a supplementary business server, which can be used for realizing coloring ring back tone forwarding no reply business of an IMS domain. In the technical scheme provided by the embodiment of the invention, when the supplementary business server taking as a second called user has no reply, the coloring ring back tone forwarding no reply business is triggered, the dialogue is utilized to update and notify a forwarding user set in the second user by a first calling user to initiate the media negotiation capability process, thereby realizing the coloring ring back tone forwarding no reply business; further, even if the calling port and other media capacity information changes in the calling process, the calling can normally listen to or watch coloring ring back tone customized by the forwarding user because of second negotiation.
Description
Technical field
The present invention relates to mobile communication technology, particularly a kind of IMS territory CRBT Call Forwarding No Reply technology.
Background technology
IMS (IP Multimedia Subsystem, IP Multimedia System) has become one of focus of mobile communication technology at present as a kind of new technology that realizes call.CRBT is realized by following functional entity in the IMS territory as a kind of value-added service:
CSCF (Call Session Control Function, CSCF) is call conversation control function entity, this functional entity can be divided into: P-CSCF (Proxy-CSCF, proxy CSCF), I-CSCF (Interrogating-CSCF, inquire about CSCF) and S-CSCF (Serving-CSCF, serving CSCF).Wherein S-CSCF is whole server, supports SIP (Session Initial Protocol, Session initiation Protocol) agreement, is responsible for subscription authentication, session processing and professional triggering etc.;
The medium color ring server claims CRBT AS (Application Server, application server) or MRBT (Multimedia Ring Back Tone, multimedia audible ringing tone) AS again.The SIP signaling of being responsible for Ring Back Tone service is consulted the broadcast of switching and control CRBT, is used to control the realization of media ring function etc.;
MRF (Media Resource Function, media resource function) entity is responsible for the negotiation of media capability and is used for the broadcast of CRBT medium, and MRF can independently be provided with, and also can be arranged on the medium color ring server.
Referring to shown in Figure 1, the signaling process of a kind of CRBT implementation in IMS comprises the steps:
1-4: calling UE (User Equipment) A makes a call to called UE B, carry session invitation (INVITE) message of UEA Session Description Protocol SDP (Session Description Protocol) UE A to called transmission by calling UE A side network, the S-CSCF of called ownership carries out the professional assessment of iFC to UEB, determine the business attribute information of UEB, after determining that according to the business attribute information of UEB UEB has signed Ring Back Tone service, INVITE is transmitted to multimedia color ring back tone AS, after multimedia color ring back tone AS receives INVITE and carries out necessary Business Processing, by S-CSCF INVITE is transmitted to called UE B, SDP UEA characterizes the media capability of UEA, comprises the media coding mode that UEA supports, information such as code check or port numbers;
After 5-6:UEB receives INVITE, determine to reply then to reply 180 response messages and begin ring (Ringing);
7-9: when multimedia color ring back tone AS receives 180 response messages of called UE B, send the INVITE that carries SDP UEA to MRF, be established to the connection of MRF, and obtain the SDP of the CRBT medium after MRF consults according to SDPUEA, the result after the media capability descriptor that the SDP of CRBT medium is based on UEA and MRF is selected;
10-19: multimedia color ring back tone AS replys 180 response messages to calling UE A, wherein carry the SDP of CRBT medium, calling UE A replys the PRACK message authentication, the corresponding answer of multimedia color ring back tone AS 200OK message, and MRF plays the multimedia color ring back tone file of UEB customization to calling UE A.
If called UE B off-hook is replied, then set up conversation between the calling and called.
In mobile communication technology, if mobile communication subscriber has been registered the Call Forwarding No Reply function and extremely second called of call forwarding has been set, then this user during as called no response, prior art does not provide the technical scheme of the CRBT Call Forwarding No Reply business that realizes the IMS territory.
Summary of the invention
The embodiment of the invention provides a kind of IMS domain dialogue control method and supplementary business server, in order to realize the CRBT Call Forwarding No Reply business in IMS territory.
For this reason, the embodiment of the invention provides a kind of IMS domain dialogue control method, comprising:
Second user's of CRBT Call Forwarding No Reply business supplementary business server, monitoring for second user's no response duration reaches when setting duration, first customer call, second user's session invitation is sent to the S-CSCF of second user's forwarding subscriber ownership, and the first user media ability description information is carried in described session invitation;
When the S-CSCF of forwarding subscriber ownership determines that forwarding subscriber is color ring user, CRBT control subsystem by forwarding subscriber is invited session and is sent to forwarding subscriber, and the ring response of the forwarding subscriber that the CRBT control subsystem of forwarding subscriber is transmitted sends to supplementary business server;
Supplementary business server generates the session updates request and sends to first user, and receive session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message;
The CRBT control subsystem of forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and play the CRBT of forwarding subscriber customization to first user according to the described second media capability descriptor.
Wherein: described supplementary business server receives session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, specifically comprise: described supplementary business server receives the session updates acknowledge message that first user returns, and is transmitted to the multimedia polyphonic ringtone server in the CRBT control subsystem of forwarding subscriber; And
The CRBT control subsystem of described forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and according to the described second media capability descriptor to the CRBT that first user plays forwarding subscriber customization, specifically comprise:
Described multimedia polyphonic ringtone server sends session invitation to the media resource function entity, wherein carries the first media capability descriptor;
The second media capability descriptor after described media resource function entity is confirmed to consult according to self media capability descriptor and the first media capability descriptor, and the second media capability descriptor is carried at returns to multimedia polyphonic ringtone server in the acknowledge message;
Described multimedia polyphonic ringtone server indication media resource function entity is play the CRBT of forwarding subscriber customization to first user, and is sent acknowledge message to described supplementary business server according to the described second media capability descriptor.
Further, the CRBT control subsystem of described forwarding subscriber also obtains the first user media ability description information before session invitation is sent to forwarding subscriber from described session invitation;
Before the CRBT control subsystem of described forwarding subscriber is transmitted the ring response of forwarding subscriber, also according to self the media capability descriptor and the first user media ability description information, the 3rd media capability descriptor after confirming to consult;
The CRBT control subsystem of described forwarding subscriber is carried the 3rd media capability descriptor after the described negotiation in the ring response that is transmitted to supplementary business server;
Carry the 3rd media capability descriptor after the described negotiation in the session updates request that supplementary business server generates; And
Carrying the first media capability descriptor in the described session updates acknowledge message is: first user consults the media capability descriptor that the back is determined according to self media capability descriptor and the 3rd media capability descriptor.
Perhaps, carrying the first media capability descriptor in the described session updates acknowledge message is: first user's media capability descriptor.
The embodiment of the invention also provides a kind of IMS territory session control supplementary business server, comprising:
Being used to monitor called second user's no response duration reaches when setting duration, first customer call, second user's session invitation is sent to the unit of S-CSCF of second user's forwarding subscriber ownership, the first user media ability description information is carried in described session invitation;
Be used to receive the unit of the ring response of the forwarding subscriber that the S-CSCF of forwarding subscriber ownership transmits;
Be used to generate the session updates request and send to first user, and the unit that receives session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message.
The embodiment of the invention also provides a kind of IMS territory conversation control system, comprise: the service call conversation control function module S-CSCF of second user's of CRBT Call Forwarding No Reply business supplementary business server, second user attaching, the S-CSCF of second user's forwarding subscriber ownership, the CRBT control subsystem of forwarding subscriber, wherein:
Described supplementary business server monitored for second user's no response duration and reaches when setting duration, first customer call, second user's session invitation is sent to the S-CSCF of second user's forwarding subscriber ownership, and the first user media ability description information is carried in described session invitation;
When the S-CSCF of described forwarding subscriber ownership determines that forwarding subscriber is color ring user, CRBT control subsystem by forwarding subscriber is invited session and is sent to forwarding subscriber, and the ring response of the forwarding subscriber that the CRBT control subsystem of forwarding subscriber is transmitted sends to described supplementary business server;
Described supplementary business server generates the session updates request and sends to first user, and receive session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message;
The CRBT control subsystem of described forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and play the CRBT of forwarding subscriber customization to first user according to the described second media capability descriptor.
In the technical scheme that provides according to the embodiment of the invention, supplementary business server is as called second user's no response the time, trigger CRBT Call Forwarding No Reply business, and utilize first user of session updates notice caller to initiate the media capability negotiation process once more, thereby realized the CRBT Call Forwarding No Reply to the forwarding subscriber that second user is provided with;
Further, can carry media capability descriptor of self or the media capability descriptor after the negotiation first time in the session updates acknowledge message that first user returns, like this, the CRBT control subsystem of forwarding subscriber is consulted according to the media capability descriptor of self and the secondary of the realization of the media capability descriptor in session updates request media capability information, can realize color ring user Call Forwarding No Reply business in the IMS territory, even and change has taken place media capability information such as caller port, also can consult to have guaranteed that caller normally listens to or watch the CRBT of forwarding subscriber customization because of secondary in calling procedure.
Description of drawings
Fig. 1 is existing a kind of IMS territory Ring Back Tone service realization flow;
The triggering schematic flow sheet of the IMS territory CRBT Call Forwarding No Reply that Fig. 2 provides for the embodiment of the invention;
Session control schematic flow sheet after the IMS territory CRBT Call Forwarding No Reply that Fig. 3 provides for the embodiment of the invention triggers;
The IMS domain dialogue control method flow chart that Fig. 4 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of IMS domain dialogue control method, be used in IMS territory realization CRBT Call Forwarding No Reply business, detect the called no response duration by called supplementary business server, and when the called no response duration reaches the setting duration, trigger the CRBT Call Forwarding No Reply, be given to the forwarding subscriber of called setting before session is invited.
As shown in Figure 2, wherein, UE1 is the calling subscriber, and UE2 is the called subscriber, UE2 contracts and has activated CFNR (Call Forwarding No Rely, call out no response) business, UE3 is the forwarding subscriber that UE2 is provided with, UE2 and UE3 are the Ring Back Tone service user, UE1, UE2 and UE3 may belong at consolidated network, also wherein two ownership are at consolidated network, and Another Place To Fall is at other networks, or this three belongs at heterogeneous networks respectively.The triggering flow process of the IMS territory CRBT Call Forwarding No Reply business that the embodiment of the invention provides specifically comprises the steps:
The monitoring of S201, triggering no response duration
When the S-CSCF of called UE 2 ownership receives the INVITE of calling UE 1 calling called UE 2, initial filter criteria iFC according to UE2 carries out the iFC assessment to UE2, when confirming that UE2 is the CFNR business, the session request is transmitted to the supplementary service AS of called ownership, and supplementary service AS is responsible for triggering and control CFNR business; INVITE carries the media capability descriptor SDP UE1 of UE1;
Supplementary service AS sends to MRBTAS with INVITE by the S-CSCF that UE2 belongs to, and starts the no response timer of 2 no response duration of monitoring UE;
The SDP UE1 that carries in the MRBTAS acquisition INVITE, and continue by the S-CSCF of UE2 ownership session invitation to be sent to UE2.
S202, media capability information reconciliation
The S-CSCF of UE2 ownership sends to MRBT AS with ring response (180ringing) message that UE2 returns, MRBT AS sends to MRF with INVITE, MRF is according to media capability descriptor of self and the media capability of SDP UE1, media capability information SDP1 MRBT after determining to consult, SDP1 MRBT is carried at ring confirms to send to MRBT AS in (200OK) message, MRBT AS is carried at the S-CSCF and the supplementary service AS that belong to by UE2 successively in 180 message with SDP1 MRBT and sends to UE1.
The Play Control of S203, UE2 CRBT
UE1 returns 180 affirmation (PRACK) message according to 180 message, PRACK message arrives MRBTAS by the S-CSCF of UE2 ownership, MRBTAS indication MRF plays the CRBT of UE2 customization, and MRF plays the CRBT of UE2 customization to UE1 according to the media capability information after consulting.
Need to prove that MRBT AS and MRF form the CRBT control subsystem, can merge setting, also can independently be provided with, wherein: signalling interactive process relevant with CRBT control between MRBTAS and the MRF is well known to those skilled in the art, and is not described in detail here.
Need to prove that also MRBTAS can also send 200OK message to supplementary service AS and confirm that also be well known to those skilled in the art, present embodiment no longer describes in detail after receiving the PRACK message of UE1.
S204, no response timer expiry stop to play the UE2 CRBT
If supplementary service AS does not receive the relevant control signaling that the UE2 off-hook is replied when the no response timer expiry, then utilize a series of cancellation (CANCEL) and cancellation to confirm (200CANCEL) message, S-CSCF indication MRF by the UE2 ownership stops coloring ring back tone playing, detailed process is well known to those skilled in the art, and is not described in detail here;
If the UE2 off-hook is replied before the no response timer expiry, then UE1 and UE2 set up conversation, and this process is well known to those skilled in the art, and is not described in detail here.
S205, triggering Call Forwarding No Reply
Supplementary service AS also changes (CALL IS BEING FOEWARDED) message by the S-CSCF of UE2 ownership before UE1 returns calling when the no response timer expiry, notice UE1 waits for; And can cry to the forwarding subscriber UE3 initiation that UE2 is provided with, send INVITE by the S-CSCF of UE2 ownership and the S-CSCF of UE3 ownership to UE3, wherein carry the SDP UE1 of UE1.
If after the S-CSCF of called UE 2 ownership carried out the iFC assessment to UE2, when confirming that UE2 is the bell user, then no longer through CRBT control subsystem and the supplementary service AS of UE2, detailed process was well known to those skilled in the art call signaling, repeats no more here.
After if the S-CSCF of called UE 2 ownership carries out the iFC assessment to UE2, confirm that UE2 is a color ring user but when not activating the CRBT Call Forwarding No Reply, then call signaling can not trigger Call Forwarding No Reply no longer through supplementary service AS, and UE2 does not have then call failure of off-hook at setting-up time.Detailed process is well known to those skilled in the art, and repeats no more here.
Supplementary service AS turns over journey and comprises after triggering Call Forwarding No Reply before the calling:
Supplementary service AS sends the INVITE of the SDP UE1 that carries UE1 to UE3, this INVITE is routed to the S-CSCF of UE3 ownership by the S-CSCF of UE2 ownership, the S-CSCF of UE3 ownership is according to the iFC assessment result of UE3, when determining that UE3 is color ring user, CRBT control subsystem by UE3 sends to UE3 with session invitation, and when UE3 returns the ring response, the ring response of the UE3 that the CRBT control subsystem of UE3 is transmitted sends to supplementary service AS, can carry the media capability descriptor SDP2 MRBT of the MRBT of UE3 in the ring response of the UE3 of forwarding;
Supplementary service AS generates session updates request (UPDATE) information and sending and gives UE1, and receive the CRBT control subsystem that session updates that UE1 returns is confirmed (200OK UPDATE) message and is transmitted to forwarding subscriber, carry the SDP UE1 of UE1 among the 200OK UPDATE, perhaps UE1 is according to media capability information of self and the SDP2 UE1 after the SDP2 MRBT negotiation;
The CRBT control subsystem of UE3 is confirmed the last media capability descriptor SDP3 MRBT that consults according to self media capability descriptor and SDP UE1 or SDP2UE1, and plays the CRBT of forwarding subscriber customization to UE1 according to SDP3MRBT.
Here need to prove that the CRBT control subsystem of UE3 may comprise MRBT and MRF, consult the Signalling exchange of SDP MRBT and indication coloring ring back tone playing between the two and know, be not described in detail here for those skilled in the art.
According to said process, after the supplementary service AS of UE2 confirms the UE3 ring, generate UPDATE message and send to UE1, UE1 initiates media capability negotiation again according to this UPDATE message, CRBT control subsystem to UE3 sends SDP UE1, perhaps according to the SDP2 UE1 after SDP UE1 and the SDP2 MRBT negotiation, the CRBT control subsystem of UE3 is carried out media capability negotiation, and plays the CRBT of UE3 customization according to the SDP3 MRBT after consulting.In the polyphonic ringtone playing process, if the UE3 off-hook is replied, then UE1 and UE3 set up conversation, if surpass setting-up time UE3 not off-hook reply call failure then.
Detailed process mainly may further comprise the steps as shown in Figure 3:
S301-S310: calling UE 1 is called out UE2.UE2 is signatory and activated the CFNR business, and setting UE3 is the Call Forwarding No Reply user.The INVITE that carries UE1 media capability descriptor SDP1 UE1 that UE1 sends arrives UE2 through the MRBT of UE2 AS and supplementary service AS.
Consult media capability between the CRBT control subsystem of UE2 and the caller and play the CRBT of UE2, negotiation mode is gateway (Gateway) mode for example, supplementary service AS triggers Call Forwarding No Reply when the UE2 no answer timeout, send out 181 message and give UE1, change in order to indicating call, and the CRBT control subsystem of indication UE2 stops to play the CRBT of UE2, and the detailed step of S301-S310 no longer is repeated in this description here referring to shown in Figure 2.
S311-S321: supplementary service AS sends INVITE by the S-CSCF of UE2 ownership to UE3, wherein carry SDP1 UE1, after the S-CSCF of UE3 ownership receives INVITE, UE3 is carried out the iFC assessment, when confirming that UE3 is color ring user, INVITE is transmitted to UE3 through the MRBT of UE3 home network AS, and after UE3 returns 180ringing message, the 180ringing forwards is given the MRBT AS of UE3 home network, after the MRBT AS of UE3 home network receives the 180ringing message that UE3 returns, INVITE is sent to MRF, be established to the connection of MRF, and receive the 200OK acknowledge message that MRF returns, can carry the media capability descriptor SDP2 MRBT of MRF in the 200OK acknowledge message.MRBT AS is carried at SDP2MRBT in the 180ringing message after receiving the 200OK acknowledge message that MRF returns, and by the S-CSCFM of UE3 ownership and the S-CSCFM of UE2 ownership, the 180ringing message of carrying SDP2 MRBT is sent to supplementary service AS.
S322-S333: supplementary service AS is according to the 180ringing message that receives, confirm UE3 ring response, then the 180 SDP MRBT that carry are sent to UE1 by calling out renewal (update) message, calling UE 1 is returned the 200OK message authentication and is received update message, carries the supplementary service AS of the SDP2 UE1 to UE2 of calling UE 1 after consulting in the 200OK acknowledge message;
The supplementary service AS of UE2 is carried at the MRBT AS that PRACK message is sent to UE3 with SDP2 UE1; The MRBTAS of UE3 sends and carries the Invite message of SDP2 UE1 to MRF, after MRF holds consultation once more according to SDP2 UE1 and self media capability, obtain final CRBT media capability SDP3MRBT, and to the MRBT of UE3 AS answer 200OK, wherein carry the SDP3MRBT after the last negotiation, the CRBT that the MRBTAS indication MRF of UE3 begins to play to UE1 according to SDP3 MRBT the UE3 customization.
In another embodiment, also can carry the media capability descriptor SDP1 UE1 of calling UE 1 in the 200OK message that calling UE 1 is returned according to update message, like this, after MRF holds consultation according to SDP1 UE1 and self media capability, obtain final CRBT media capability, other steps are all just the same.
Send behind the S334-S337:UE3 off-hook and carry the MRBTAS of the 200OK message of UE3 media capability descriptor SDP1 UE3 to UE3, the MRBTAS of UE3 returns ACK to UE3 and confirms.
The MRBTAS of S338-S339:UE3 sends REINVITE to UE3, sets up the direct connection between calling UE 1 and the called UE 3.
S340-S341:UE3 wherein carries the media capability descriptor SDP2 UE3 of UE3 once more to the MRBT of UE3 AS loopback 200OK message;
The MRBT AS of S342:UE3 sends session updates request (UPDATE) message by UPDATE message to calling UE 1, and the media capability descriptor of wherein carrying is the SDP2 UE3 that carries once more among the 200OK of called UE 3 loopback in a last step.
S343:UE1 is to the 200OK of the MRBTAS of UE3 loopback UPDATE response, wherein carries the media capability descriptor SDP3 UE1 after UE1 consults according to SDP1 UE1 and SDP 2UE3.
The MRBT AS indication MRF of S344:UE3 stops coloring ring back tone playing.
The MRBT AS of S345-S346:UE3 sends ACK to UE3, wherein carries the media capability descriptor after UE1 consults.
The MRBT AS of S347-S350:UE3 responds to the 200OK that calling UE 1 sends INVITE, between UE1 and the UE3, utilizes the media capability information after SDP UE1 and SDP UE3 consult to set up session according to UE1.
The technical scheme that provides according to the embodiment of the invention, can realize color ring user Call Forwarding No Reply business in the IMS territory, and according to the step 22 among Fig. 3 to 29, between the MRBT of calling UE 1 and forwarding subscriber AS, carried out the negotiation once more of media capability, even change has taken place media capability information such as calling UE 1 port, also can normally listen to or watch the CRBT of UE3 customization in calling procedure.
According to shown in Figure 3, can know and see that each is as the message of request (offer), answer (answer) message that unique correspondence is all arranged is as response, and request and response relation in the control flow are cheer and bright, convenient control.For example: the offer that step 11 is carried SDP1 UE1 is corresponding with the answer that step 22 is carried SDP1MRBT; The offer that step 15 is carried SDP1 UE1 is corresponding with the answer that step 34 is carried SDP1UE3.
In sum, as shown in Figure 4, the IMS domain dialogue control method that the embodiment of the invention provides mainly comprises the steps:
Second user's of S401, CRBT Call Forwarding No Reply business supplementary business server, monitoring for second user's no response duration reaches when setting duration, first customer call, second user's session invitation is sent to the service call conversation control function module S-CSCF of second user's forwarding subscriber ownership, and the first user media ability description information is carried in described session invitation;
When the S-CSCF of S402, forwarding subscriber ownership determines that forwarding subscriber is color ring user, CRBT control subsystem by forwarding subscriber is invited session and is sent to forwarding subscriber, and the ring response of the forwarding subscriber that the CRBT control subsystem of forwarding subscriber is transmitted sends to described supplementary business server;
S403, described supplementary business server generate the session updates request and send to first user, and receive session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message;
The CRBT control subsystem of S404, forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and play the CRBT of forwarding subscriber customization to first user according to the described second media capability descriptor.
The embodiment of the invention also provides the control system of each network entity composition of finishing above-mentioned control method, mainly comprises: the service call conversation control function module S-CSCF of second user's of CRBT Call Forwarding No Reply business supplementary business server, second user attaching, the S-CSCF of second user's forwarding subscriber ownership, the CRBT control subsystem of forwarding subscriber.Concrete control flow no longer is repeated in this description as previously mentioned here.
Obviously, those skilled in the art can carry out various changes and modification to the embodiment of the invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (16)
1. an IMS domain dialogue control method is characterized in that, comprising:
Second user's of CRBT Call Forwarding No Reply business supplementary business server, monitoring for second user's no response duration reaches when setting duration, first customer call, second user's session invitation is sent to the service call conversation control function module S-CSCF of second user's forwarding subscriber ownership, and the first user media ability description information is carried in described session invitation;
When the S-CSCF of forwarding subscriber ownership determines that forwarding subscriber is color ring user, CRBT control subsystem by forwarding subscriber is invited session and is sent to forwarding subscriber, and the ring response of the forwarding subscriber that the CRBT control subsystem of forwarding subscriber is transmitted sends to described supplementary business server;
Described supplementary business server generates the session updates request and sends to first user, and receive session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message;
The CRBT control subsystem of forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and play the CRBT of forwarding subscriber customization to first user according to the described second media capability descriptor.
2. the method for claim 1 is characterized in that:
Described supplementary business server receives session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, specifically comprise: described supplementary business server receives the session updates acknowledge message that first user returns, and is transmitted to the multimedia polyphonic ringtone server in the CRBT control subsystem of forwarding subscriber; And
The CRBT control subsystem of described forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and according to the described second media capability descriptor to the CRBT that first user plays forwarding subscriber customization, specifically comprise:
Described multimedia polyphonic ringtone server sends session invitation to the media resource function entity, wherein carries the first media capability descriptor;
The second media capability descriptor after described media resource function entity is confirmed to consult according to self media capability descriptor and the first media capability descriptor, and the second media capability descriptor is carried at returns to multimedia polyphonic ringtone server in the acknowledge message;
Described multimedia polyphonic ringtone server indication media resource function entity is play the CRBT of forwarding subscriber customization to first user, and is sent acknowledge message to described supplementary business server according to the described second media capability descriptor.
3. the method for claim 1 is characterized in that:
The CRBT control subsystem of described forwarding subscriber also obtains the first user media ability description information before session invitation is sent to forwarding subscriber from described session invitation;
Before the CRBT control subsystem of described forwarding subscriber is transmitted the ring response of forwarding subscriber, also according to self the media capability descriptor and the first user media ability description information, the 3rd media capability descriptor after confirming to consult;
The CRBT control subsystem of described forwarding subscriber is carried the 3rd media capability descriptor after the described negotiation in the ring response that is transmitted to supplementary business server;
Carry the 3rd media capability descriptor after the described negotiation in the session updates request that supplementary business server generates; And
Carrying the first media capability descriptor in the described session updates acknowledge message is: first user consults the media capability descriptor that the back is determined according to self media capability descriptor and the 3rd media capability descriptor.
4. the method for claim 1, it is characterized in that: carrying the first media capability descriptor in the described session updates acknowledge message is: first user's media capability descriptor.
5. as the arbitrary described method of claim 1～4, it is characterized in that described supplementary business server began to monitor before second user's no response duration, also comprised:
When the S-CSCF of second user attaching receives described session invitation and confirms second user for CRBT Call Forwarding No Reply service-user, described session invitation is transmitted to supplementary business server;
Supplementary business server sends to second user with the S-CSCF of described session invitation by second user attaching, and begins to monitor second user's the no response duration.
6. method as claimed in claim 5 is characterized in that, described supplementary business server also comprises after the S-CSCF of described session invitation by second user attaching sent to second user:
After the S-CSCF of second user attaching receives second user's ring response, described session invitation is sent to second user's CRBT control subsystem;
Second user's CRBT control subsystem according to self the media capability descriptor and the session invitation of reception in the first user media ability description information of carrying, the fourth media ability description information after confirming to consult;
The fourth media ability description information of second user's CRBT control subsystem after with described negotiation is carried in the ring response and sends to first user, and, play the CRBT of second customization to first user according to the fourth media ability description information after the described negotiation.
7. method as claimed in claim 6 is characterized in that, described supplementary business server monitored for second user's no response duration and reaches when setting duration, also comprised:
Supplementary business server sends the session no answer message to the S-CSCF of second user attaching;
After the S-CSCF of second user attaching receives the session no answer message, notify second user's CRBT control subsystem to stop coloring ring back tone playing.
8. method as claimed in claim 7 is characterized in that, described supplementary business server also comprises after the S-CSCF of second user attaching sends the session no answer message:
Supplementary business server passes through the S-CSCF of second user attaching, the notification message that changes before second user sends calling.
9. an IMS territory session control supplementary business server is characterized in that, comprising:
Being used to monitor called second user's no response duration reaches when setting duration, first customer call, second user's session invitation is sent to the unit of S-CSCF of second user's forwarding subscriber ownership, the first user media ability description information is carried in described session invitation;
Be used to receive the unit of the ring response of the forwarding subscriber that the S-CSCF of forwarding subscriber ownership transmits;
Be used to generate the session updates request and send to first user, and the unit that receives session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message.
10. supplementary business server as claimed in claim 9 is characterized in that, also comprises:
Be used for the S-CSCF of described session invitation by second user attaching sent to second user, and begin to monitor the unit of second user's no response duration.
11. supplementary business server as claimed in claim 10 is characterized in that, also comprises:
Be used for reaching when setting duration monitoring for second user's no response duration, send the unit of session no answer message to the S-CSCF of second user attaching.
12. as supplementary business server as described in the claim 11, it is characterized in that, also comprise:
Be used for after the S-CSCF of second user attaching sends the session no answer message, by the S-CSCF of second user attaching, the unit of the notification message that before second user sends calling, changes.
13. IMS territory conversation control system, it is characterized in that, comprise: the service call conversation control function module S-CSCF of second user's of CRBT Call Forwarding No Reply business supplementary business server, second user attaching, the S-CSCF of second user's forwarding subscriber ownership, the CRBT control subsystem of forwarding subscriber, wherein:
Described supplementary business server monitored for second user's no response duration and reaches when setting duration, first customer call, second user's session invitation is sent to the S-CSCF of second user's forwarding subscriber ownership, and the first user media ability description information is carried in described session invitation;
When the S-CSCF of described forwarding subscriber ownership determines that forwarding subscriber is color ring user, CRBT control subsystem by forwarding subscriber is invited session and is sent to forwarding subscriber, and the ring response of the forwarding subscriber that the CRBT control subsystem of forwarding subscriber is transmitted sends to described supplementary business server;
Described supplementary business server generates the session updates request and sends to first user, and receive session updates acknowledge message that first user returns and the CRBT control subsystem that is transmitted to forwarding subscriber, carry the first media capability descriptor in the described session updates acknowledge message;
The CRBT control subsystem of described forwarding subscriber is according to self the media capability descriptor and the first media capability descriptor, the second media capability descriptor after confirming to consult, and play the CRBT of forwarding subscriber customization to first user according to the described second media capability descriptor.
14. system as claimed in claim 13 is characterized in that:
The CRBT control subsystem of described forwarding subscriber also obtains the first user media ability description information before session invitation is sent to forwarding subscriber from described session invitation;
Before the CRBT control subsystem of described forwarding subscriber is transmitted the ring response of forwarding subscriber, also according to self the media capability descriptor and the first user media ability description information, the 3rd media capability descriptor after confirming to consult;
The CRBT control subsystem of described forwarding subscriber is carried the 3rd media capability descriptor after the described negotiation in the ring response that is transmitted to supplementary business server;
Carry the 3rd media capability descriptor after the described negotiation in the session updates request that supplementary business server generates; And
Carrying the first media capability descriptor in the described session updates acknowledge message is: first user consults the media capability descriptor that the back is determined according to self media capability descriptor and the 3rd media capability descriptor.
15. system as claimed in claim 13 is characterized in that: carrying the first media capability descriptor in the described session updates acknowledge message is: first user's media capability descriptor.
16., it is characterized in that the CRBT control subsystem of described forwarding subscriber specifically comprises as claim 13,14 or 15 described systems: multimedia polyphonic ringtone server MBTAS and media resource function entity MRF.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171347A1 (en) * | 2011-06-14 | 2012-12-20 | 中兴通讯股份有限公司 | Call processing method, device and system |
| CN107786953A (en) * | 2016-08-29 | 2018-03-09 | 中国移动通信有限公司研究院 | VoLTE call encryptions processing method, application server and terminal |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6944444B1 (en) * | 2000-06-29 | 2005-09-13 | Qwest Communications International Inc. | Method and system for conditionally routing calls |
| CN101175230A (en) * | 2006-10-25 | 2008-05-07 | 华为技术有限公司 | System, device and method for user service data management |
| CN101090420B (en) * | 2007-08-06 | 2010-09-29 | 中兴通讯股份有限公司 | Implementing method and system for IMS field calling preswitch when busy and opera browser nested service |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012171347A1 (en) * | 2011-06-14 | 2012-12-20 | 中兴通讯股份有限公司 | Call processing method, device and system |
| CN107786953A (en) * | 2016-08-29 | 2018-03-09 | 中国移动通信有限公司研究院 | VoLTE call encryptions processing method, application server and terminal |
| CN107786953B (en) * | 2016-08-29 | 2020-02-18 | 中国移动通信有限公司研究院 | VoLTE encryption call processing method, application server and terminal |
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