CN101035360A - Method for implementing calling in the multimedia communication call control - Google Patents
Method for implementing calling in the multimedia communication call control Download PDFInfo
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- CN101035360A CN101035360A CNA2006100586916A CN200610058691A CN101035360A CN 101035360 A CN101035360 A CN 101035360A CN A2006100586916 A CNA2006100586916 A CN A2006100586916A CN 200610058691 A CN200610058691 A CN 200610058691A CN 101035360 A CN101035360 A CN 101035360A
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Abstract
The invention disclosed a method which achieves call in a multimedia communication call control. This method includes: set user service information of rank in advance, obtain customer service information of rank related to call entities, according to user information of rank, defined users call processing priority, and call in accordance with established call processing priority. According to user information of rank, the invention brings up processing priority call methods in the third generation mobile communication multimedia communications call control, such as IP Multimedia Subsystem (IMS). The method provides a different priority call for different user service rank, and ensures the call-processing speed of the important network user's, improves customer satisfaction and loyalty.
Description
Technical field
The present invention relates to call technology in the mobile communication system, refer to a kind of method that in multimedia communication calling control, realizes calling especially.
Background technology
In the third generation (3G) mobile communication system, the multimedia communication technology based on the IP technology has been proposed, wherein, IP Multimedia System (IMS) is a key technology of 3G mobile communication.
In the network of operator, 80% profit comes from 20% Very Important Person, also have some that the emergency user of specific demand is arranged, so, the class of call of these responsible consumers need improve in operator, to guarantee the call treatment speed of responsible consumer, guarantee that under the situation of Internet resources anxiety responsible consumer can preferentially obtain resource simultaneously.And the call flow steps of 3G is many, there is bigger call delay, therefore the urgent needs of operator are a kind of can be according to user's service class, the method of calling of the call treatment of corresponding different stage, thereby improve the call treatment speed of Very Important Person, under network congestion or Internet resources condition of limited, preferentially guarantee the user's of the urgent call and the high grade of service calling.
At present, in IMS, only proposed simple urgent call mode, and specific implementation also under study for action; The user's grade of service of also not giving chapter and verse (USL, User Service Level) is distinguished the method for calling of the different call class of user, promptly can not provide the calling of different priorities at the different user grade of service.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of and calls out the method that realizes calling in the control in multimedia communication, can realize the grade of service based on the user, and the calling of different priorities is provided.
For achieving the above object, technical scheme of the present invention specifically is achieved in that
A kind of method that realizes calling in multimedia communication calling control is provided with user's grade of service USL information, and this method may further comprise the steps:
A. obtain user's class of service information with calling out relevant calling entity, and determine user's call treatment priority according to the user's class of service information that obtains;
B. described calling entity is carried out call treatment according to definite good call treatment priority.
Described multimedia communication is called out control and is arranged in IP Multimedia System IMS.
The method of the described user's of setting class of service information is:
The grade of service according to customer requirements determines that perhaps the consumption information of signing according to the user determines that perhaps the strategy that sets in advance according to operator is dynamically adjusted.
This method also comprises: the class letter that is provided for identifying USL in the user signing contract information of home subscriber server HSS;
Described user's class of service information is arranged among the HSS.
Described calling entity is: act on behalf of conference call controlled function P-CSCF entity, inquiry conference call controlled function I-CSCF entity, service conversation CCF S-CSCF entity among the IMS; The method of obtaining user's class of service information described in the steps A is:
A11. by described P-CSCF entity, described I-CSCF entity receives the register requirement from user terminal UE, and the I-CSCF entity among the IMS is from described HSS inquiring user state, and register requirement is transmitted to described S-CSCF entity;
A12. after described HSS receives service assignment request from described S-CSCF entity, user's class of service information of current registered user is carried in the service assignment response returns to described S-CSCF entity;
A13. user's class of service information and record that described S-CSCF recorder is arrived, after carrying out professional control logic, user's class of service information that receives or the call priority information that is converted to are carried in the affirmation message of representing to succeed in registration, send to described I-CSCF;
A14. described I-CSCF writes down described user's class of service information, and gives described P-CSCF to the affirmation message that the expression that described P-CSCSF forwarding receives is succeeded in registration;
A15. user's class of service information that described P-CSCF recorder is arrived, the affirmation message that this expression is succeeded in registration returns to UE.
Described in the steps A 15 acknowledge message is returned to before the UE, this method also comprises: the user's class of service information in the affirmation message that described P-CSCF deletion is received.
The method of determining user's call treatment priority described in the steps A is:
A21. in described calling entity, the call queue of the association store different user grade of service, call priority and different stage;
A22. in calling procedure, described calling entity is judged the call priority that whether carries the expression class of call in the message related to calls that receives, if carry, then further judge the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence, whether be higher than the call priority that carries in this message related to calls, if be higher than, then the call priority that carries in this message related to calls is replaced by the call priority of described USL correspondence, as call treatment priority and the call priority sign is set, enter steps A 23; Otherwise, the call priority that carries in this message related to calls as call treatment priority and the call priority sign is set, is entered steps A 23; If do not carry, then described calling entity is carried at the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence in this message related to calls, as call treatment priority and the call priority sign is set;
A23. described calling entity will deposit in the call queue corresponding with current call treatment priority through the message related to calls that class of call is determined.
Judge whether to carry described in the steps A 22 before the call priority, this method also comprises:
A221. described calling entity judges whether current calling is new calling, if new the calling then further judges whether current calling is urgent call, if then enter steps A 225; Otherwise, enter steps A 223; If current calling is not new calling, then enter steps A 222;
A222. whether judge current calling from the user, if then enter steps A 224; Otherwise, continue execution in step A22;
A223. according to USL or call priority information the call priority sign is set in this message related to calls, as call treatment priority, execution in step A23;
A224. the call priority according to this user's USL correspondence is provided with the call priority sign, as call treatment priority, execution in step A23;
A225. described message related to calls is deposited in the urgent call formation, process ends and Waiting for Call are handled.
In the steps A 23, described message related to calls is deposited in before the call queue, this method also comprises: the joining day stabs in message related to calls.
Described message related to calls is a sip message; Described call priority sign adopts the priority Priority of SIP to indicate and identifies.
Calling entity described in the step B is according to determining that the method that good call treatment priority is called out is:
B11. described calling entity judges whether there is pending calling in the urgent call formation, if exist, then according to the urgent call of existing call flow performing, process ends afterwards; If do not exist, then enter step B12;
B12. check first message related to calls in other call queue respectively, obtain the call treatment priority of first message related to calls in each call queue, and the high message related to calls of selective call processing priority is called out according to the existing call flow performing.
Described steps A further comprises:
Described calling entity is used to represent other grade of service of different business corresponding priorities level according to existing in the message related to calls, and described USL determines call treatment priority.
This method also comprises: described calling entity is adjusted the priority-level of application resource in the calling procedure according to described USL.
As seen from the above technical solution, the present invention proposes the grade of service, call out the method for calling of realizing in the control based on priority in the multimedia communication of 3G (Third Generation) Moblie according to the user.This method is at the different user grade of service, the calling of different priorities is provided, guaranteed the call treatment speed of responsible consumer in the network, simultaneously under network congestion or Internet resources condition of limited, preferentially guarantee the user's of the urgent call and the high grade of service calling, improved customer satisfaction and loyalty.
Description of drawings
Fig. 1 the present invention is based on the flow chart that user's grade of service realizes calling;
Fig. 2 is that the present invention realizes the flow chart that the user registers;
Fig. 3 is the flow chart of Calling Side P-CSCF receipt of call message of the present invention;
Fig. 4 is the flow chart of Calling Side P-CSCF call treatment of the present invention;
Fig. 5 is the flow chart of the called survey of the present invention S-CSCF call treatment.
Embodiment
Core concept of the present invention is: set in advance user's class of service information, the calling entity relevant with calling obtained user's class of service information, determine user's call treatment priority according to user's class of service information, and according to determining that good call treatment priority calls out.
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing preferred embodiment that develops simultaneously, the present invention is described in more detail.
Fig. 1 the present invention is based on the flow chart that user's grade of service realizes calling, specifically may further comprise the steps:
Step 100: user's class of service information is set.
User's grade of service can be determined according to the grade of service of customer requirements, also can determine according to the condition of consumption that the user signs, and can also dynamically adjust according to the strategy that operator sets in advance simultaneously.Wherein, determine it specifically can be that minimum charge then is provided with higher user's grade of service for this user than higher if the user contracts according to the dynamic user of adjustment grades of service such as monthly consumption situations by operator's preset strategy; If domestic consumer's consumption in continuous many months is higher, then improves user's grade of service of this user, but, then reduce user's grade of service of this user etc. if consumption has reduced again.
With IMS is example, user's class of service information can be stored in the personal information that is used for recording user, home subscriber server (the HSS that comprises user's service ordering information, authentication information etc., HomeSubscriber Server) in, specifically can increase a class letter in the user signing contract information of HSS, this grade sign is used to identify USL.Such as, user's grade of service can be divided into four classes: urgent priority, high priority, high medium priority, low priority four classes are for the user of special service, can be set to urgent priority such as first aid etc., the responsible consumer for 20% (VIP) can be set to high priority etc.
Step 101: the calling entity relevant with calling obtained user's class of service information.
With IMS is example, and the entity relevant with calling comprises acts on behalf of conference call controlled function (P-CSCF) entity, service conversation CCF (S-CSCF) entity, inquiry conference call controlled function (I-CSCF) entity etc.Wherein, the P-CSCF entity is first access point that the user inserts IMS; The S-CSCF entity is responsible for user's session control and registration; The I-CSCF entity is in the carrier network, for all users that are connected to this carrier network connect the calling entity that communication center is provided, in other words, a user will be connected to the network of another operator, to be connected to the I-CSCF of this operator in IMS earlier, transmit its connection request by this I-CSCF.
In order to obtain user's class of service information, can realize by existing user registration course.If user's grade of service is stored among the HSS, in registration process, S-CSCF, P-CSCF and I-CSCF obtain user's class of service information from HSS, and specific implementation vide infra to the description of Fig. 2, no longer repeats here.
Step 102: calling entity is determined user's call treatment priority according to user's class of service information, and calls out according to definite good call treatment priority.
Each calling entity is all supported the calling based on priority, and the calling of guaranteeing urgent call and high priority is improved the call treatment speed of urgent call and high priority by priority treatment.The so-called support be exactly, in each calling entity, sets in advance the call queue of the different stage corresponding with the different user grade of service, is urgent priority such as user's grade of service, and the call queue of correspondence is the urgent call formation; User's grade of service is a high priority, and corresponding call queue is the high-priority call formation; User's grade of service is a high medium priority, and corresponding call queue is the medium priority call queue; User's grade of service is a low priority, and corresponding call queue is low priority call formation etc.
In calling procedure, P-CSCF or S-CSCF judge the call priority that whether carries the expression class of call in the message related to calls that receives, if carry, then further judge the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence, whether be higher than the call priority that carries in this message related to calls, if be higher than, then the call priority that carries in this message related to calls is replaced by the call priority of described USL correspondence; Otherwise, do not do any operation; If do not carry, then P-CSCF or S-CSCF are carried at the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence in this message related to calls.I-CSCF only need carry out call treatment according to call priority and get final product.Among the IMS, owing to call out to adopt and call out initiation protocol (SIP, Session Initiation Protocol), therefore can adopt priority (Priority) sign of SIP or other to indicate to come identifying call letters priority, Priority sign or other sign that will be used to carry call priority information herein are called the call priority sign.
Further, when handling calling, can determine call priority according to the existing grade of service and USL in the message related to calls, wherein the grade of service is used to represent different business corresponding priorities rank.In addition, can also determine in the calling procedure priority-level of application resource, guarantee under the same professional situation that the customer call priority height that USL is high obtains the priority height of resource, and is preferentially processed according to USL.
Wherein, the specific implementation of determining call priority according to the existing grade of service and USL in the message related to calls can be: after calling entity is received message related to calls, according to the existing grade of service and USL in the message related to calls, according to the strategy that operator sets in advance call priority is adjusted, such as, realize according to the strategy shown in the formula (1):
Call priority=grade of service * a%+USL * b%, (1)
Wherein, a%+b%=1, a, the b parameter can be according to the strategy adjustment.Call priority according to after formula (1) calculating sends a message in the different priority queries and handles.
After having determined the call priority of message related to calls, calling entity will deposit in the call queue corresponding with its call priority through the message related to calls of class of call adjustment, at this moment, the call priority that carries in the message related to calls is exactly a call treatment priority, calling entity is handled message related to calls to low from height according to the rank of each call queue.
Further, in order to prevent to have the calling of high-level call priority owing to processing, and make calling can not get handling with low level call priority, can be when depositing message related to calls in call queue, add timestamp, can consider simultaneously that like this call priority and timestamp determine call treatment priority, such as, the call priority of certain message related to calls 1 is a high medium priority, be arranged in the medium priority formation first, the overtime and default overtime back of the arrival time span of timestamp, at this moment, store the message related to calls 2 that needs processing in the high-priority queue, but timestamp is not overtime, according to preset strategy, calling entity can be handled the message related to calls 1 that is arranged in the high medium priority formation earlier.The concrete strategy of determining is formulated by operator, does not limit method of the present invention.
Be example below with IMS, describe the specific implementation of each step of the inventive method.Fig. 2 is that the present invention realizes the flow chart that the user registers, and user's register flow path can be with reference to the register flow path standard of IMS, what emphasize here is that the present invention utilizes registration process, calling entity is obtained user's class of service information, supposes not consider the grade of service, may further comprise the steps:
Step 200～step 204: user terminal (UE) is initiated registration (Register) request by P-CSCF to I-CSCF, and I-CSCF is from HSS inquiring user state, and the Register request is transmitted to selected S-CSCF.Specific implementation can be referring to related protocol.
Step 205:S-CSCF sends service assignment request message (SAR, ServerAssignment Request) message to HSS.Specific implementation can be referring to related protocol.
Step 206:HSS returns service assignment response (SAA to S-CSCF, Server AssignmentAnswer) message, according to related protocol, in this service assignment response message, carry registered user's CAMEL-Subscription-Information (User Profile), among the present invention, in user's CAMEL-Subscription-Information, comprise user's grade of service of current registered user.
In addition, if set in advance switching strategy between user's grade of service and the call priority in S-CSCF, then S-CSCF can be converted to call priority with the user's grade of service that receives.
In this step, S-CSCF has obtained user's class of service information or call priority information.
After step 207～step 208:S-CSCF carries out professional control logic, send affirmation (200OK) message that expression is succeeded in registration, among the present invention, in this 200OK message, carry user's class of service information to I-CSCF.
In addition, if in S-CSCF, set in advance the switching strategy between user's grade of service and the call priority, then S-CSCF can be converted to call priority with the user's grade of service that receives, and is carried in the 200OK message as the numerical value of Priority in the Session Initiation Protocol and sends to I-CSCF.The above-mentioned user's grade of service mentioned and the switching strategy between the call priority can be original user's grade of service and other corresponding relations of call priority level that is provided with, and are high priority such as user's grade of service, and corresponding call priority is 2; User's grade of service is urgent priority, and corresponding call priority is 1 etc.
In this step, I-CSCF has obtained user's class of service information or call priority information.
Step 209:I-CSCF transmits the 200OK message that receives to P-CSCF and gives P-CSCF.
P-CSCF can obtain user's grade of service of registered user from the 200OK message that receives, or this registered user's call priority information.
Step 210:P-CSCF recording user information, the station address that comprises the agreement regulation, S-CSCF name or capability set, registered user's public user identity, private user identity, and information such as the user's grade of service/call priority, after user's class of service information/call priority information in the 200OK message that deletion is received, this 200OK message is returned to UE.
In this step, will be transmitted to UE again after the class of service information of the user in the 200OK message/call priority information deletion, purpose is that the message that UE is received meets existing standard; Can certainly not delete the user's class of service information/call priority information in the 200OK message, as long as this information of UE nonrecognition is set.
Realize user's process registration by the invention described above, all obtained user's class of service information with calling out relevant entity, or call priority information.
Be example with Calling Side P-CSCF receipt of call message below, describe and the method for calling out relevant calling entity receipt of call message, Fig. 3 is the flow chart of Calling Side P-CSCF receipt of call message of the present invention, in each calling entity, set in advance the corresponding relation of USL, call priority and call queue, suppose not consider the grade of service, may further comprise the steps:
Step 300～step 301:P-CSCF judges according to the message related to calls that receives whether current calling is new calling, if new the calling then further judges whether current calling is urgent call, if urgent call then enters step 306; Otherwise, enter step 303; If current calling is not new calling, then enter step 302.
According to existing call agreement regulation, the per call process all can be in calling out related entities record, i.e. record and the unique corresponding identity of calling (ID) number.Whether in ID number of the calling of P-CSCF inquiry self record, exist the ID consistent with the call identification number in the message related to calls number, if exist, then current calling is existing a calling; If do not exist, then current calling is a calling newly.
Step 302: whether judge current calling from the user, if then enter step 304; Otherwise, enter step 305.
If from the user, then there is not call priority information in message related to calls in this message related to calls; If message related to calls then carries call priority information in this message related to calls from S-CSCF or other calling entity, need further judge whether to need to adjust current call priority.
Step 303: the joining day stabs in message related to calls, and after in this message related to calls the call priority sign being set according to USL or call priority information, is sent to corresponding call queue, afterwards process ends.
Between user's USL, call priority and the call queue is related corresponding.
If in registration process, what P-CSCF obtained is USL information, and then P-CSCF adds this message related to calls in the call queue of the USL correspondence that is sent to the calling party behind the timestamp.If in registration process, what P-CSCF obtained is call priority information, and then P-CSCF is sent in the call queue of call priority correspondence after this message related to calls is added timestamp.
Simultaneously, in message related to calls, can adopt the Priority of SIP to indicate to come the identifying call letters priority-level.
Step 304: the joining day stabs in message related to calls, and according to the call priority of this user's USL correspondence this message related to calls is sent to corresponding call queue, process ends afterwards.
Step 305: determine the call treatment priority of message related to calls according to the call priority that carries in the message related to calls, USL, and according to determining that good call treatment priority deposits message related to calls in the corresponding call queue in, afterwards process ends.
Calling entity judges whether the call priority that carries in the message related to calls is lower than the call priority of this calling party's USL correspondence, if, then the call priority in the updating call message is the call priority of USL correspondence and the call priority sign is set, and in this message related to calls the joining day this message related to calls is sent in the call queue of current call priority correspondence after stabbing process ends afterwards; Otherwise, this message related to calls is sent in the call queue of self-contained call priority correspondence, afterwards process ends.
Step 306: the joining day stabs in message related to calls, and is sent in the urgent call formation.
Urgent using for burst called out such as first aid, fire alarm, alarm, flash appeal etc., can be defined as the promptly high call rank of emergency services rank, urgent call is need not add call priority information in message related to calls, as long as after being judged to be urgent call according to calling number or called number, just this message related to calls is deposited in the urgent call formation and get final product, and, must at first handle as long as have untreated emergency call message in the urgent call formation.
When P-CSCF receives message related to calls, and after depositing message related to calls in call queue respectively, can handle the message related to calls in the all-calls formation, be example with Calling Side P-CSCF equally below, the processing method of the calling entity relevant with calling to the message related to calls that deposits call queue in described, Fig. 4 is the flow chart of Calling Side P-CSCF call treatment of the present invention, in each calling entity, set in advance the corresponding relation of USL, call priority and call queue, suppose not consider the grade of service, may further comprise the steps:
Step 400～step 401:P-CSCF judges whether there is pending calling in the urgent call formation, if exist, then carries out urgent call, promptly calls out according to the existing call flow performing to get final product, afterwards process ends; If do not exist, then enter step 402.
Step 402: check first message related to calls in other call queue respectively, obtain the call treatment priority of first message related to calls in each call queue, and the high message related to calls of selective call processing priority, and call out according to the existing call flow performing.
Obtaining of call treatment priority depends on the balance strategy that operator sets, determine call treatment priority such as taking all factors into consideration the stand-by period and the call priority of message related to calls in call queue: the call treatment priority height of the calling that call priority is high, can be by priority treatment; Call priority is low, but the call treatment priority of the calling that the Call Waiting time is long also can be for high-level, by priority treatment, how the concrete stand-by period compares between the different call priorities for how long, depends on operator's predetermined strategy, strategy is also a lot, here enumerate no longer one by one, emphasize that just the present invention the message related to calls of high priority can not occur always handling to the processing of call queue, and ignore the situation of the low message related to calls of call priority.
Above-mentioned Fig. 3 and Fig. 4 have described the Calling Side reception and have handled the specific implementation process of call information, be example with callee side S-CSCF below, the method that callee side received and handled message related to calls is described, Fig. 5 is the flow chart of callee side S-CSCF call treatment of the present invention, in each calling entity, set in advance the corresponding relation of USL, call priority and call queue, may further comprise the steps:
Step 500～step 501:S-CSCF determines call priority according to called party's USL, and according to determining that good call treatment priority deposits message related to calls in the corresponding call queue in.
Judge whether the call priority that carries in the message related to calls is lower than the call priority according to the called subscriber's who calls out USL correspondence, if, then the call priority in the updating call message is the call priority of USL correspondence and the call priority sign is set, and behind the joining day stamp this message related to calls is sent in the call queue of current call priority correspondence in this message related to calls; Otherwise, this message related to calls is sent in the call queue of self-contained call priority correspondence.
The call flows of S-CSCF only need be just passable according to processed.
In sum, the inventive method is in each controlling call entity of the IMS of 3-G (Generation Three mobile communication system), comprise P-CSCF, I-CSCF and S-CSCF entity, all carry out call treatment, guaranteed the processing speed of urgent call and high-priority call and required resource according to the call priority formation.Under some special application scenarios, must carry out Differentiated Services, such as the area a little less than network service capabilities, when the user increases suddenly according to user's call service grade; When also having arrive crucial red-letter day, a large amount of callings and multimedia messages can take place etc. at that moment.Based on the method for calling of the user's grade of service and the grade of service, guaranteed preferentially to satisfy the high client's of user's grade of service demand, improved customer satisfaction and loyalty.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention, all any modifications of being made within the spirit and principles in the present invention, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. call out the method that realizes in the control calling out in multimedia communication for one kind, it is characterized in that user's grade of service USL information is set, and this method may further comprise the steps:
A. obtain user's class of service information with calling out relevant calling entity, and determine user's call treatment priority according to the user's class of service information that obtains;
B. described calling entity is carried out call treatment according to definite good call treatment priority.
2. method according to claim 1 is characterized in that: described multimedia communication is called out control and is arranged in IP Multimedia System IMS.
3. method according to claim 2 is characterized in that, the method for the described user's of setting class of service information is:
The grade of service according to customer requirements determines that perhaps the consumption information of signing according to the user determines that perhaps the strategy that sets in advance according to operator is dynamically adjusted.
4. method according to claim 2 is characterized in that, this method also comprises: the class letter that is provided for identifying USL in the user signing contract information of home subscriber server HSS;
Described user's class of service information is arranged among the HSS.
5. method according to claim 4 is characterized in that, described calling entity is: act on behalf of conference call controlled function P-CSCF entity, inquiry conference call controlled function I-CSCF entity, service conversation CCF S-CSCF entity among the IMS; The method of obtaining user's class of service information described in the steps A is:
A11. by described P-CSCF entity, described I-CSCF entity receives the register requirement from user terminal UE, and the I-CSCF entity among the IMS is from described HSS inquiring user state, and register requirement is transmitted to described S-CSCF entity;
A12. after described HSS receives service assignment request from described S-CSCF entity, user's class of service information of current registered user is carried in the service assignment response returns to described S-CSCF entity;
A13. user's class of service information and record that described S-CSCF recorder is arrived, after carrying out professional control logic, user's class of service information that receives or the call priority information that is converted to are carried in the affirmation message of representing to succeed in registration, send to described I-CSCF;
A14. described I-CSCF writes down described user's class of service information, and gives described P-CSCF to the affirmation message that the expression that described P-CSCSF forwarding receives is succeeded in registration;
A15. user's class of service information that described P-CSCF recorder is arrived, the affirmation message that this expression is succeeded in registration returns to UE.
6. method according to claim 5 is characterized in that, described in the steps A 15 acknowledge message is returned to before the UE, and this method also comprises: the user's class of service information in the affirmation message that described P-CSCF deletion is received.
7. method according to claim 2 is characterized in that, determines described in the steps A that the method for user's call treatment priority is:
A21. in described calling entity, the call queue of the association store different user grade of service, call priority and different stage;
A22. in calling procedure, described calling entity is judged the call priority that whether carries the expression class of call in the message related to calls that receives, if carry, then further judge the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence, whether be higher than the call priority that carries in this message related to calls, if be higher than, then the call priority that carries in this message related to calls is replaced by the call priority of described USL correspondence, as call treatment priority and the call priority sign is set, enter steps A 23; Otherwise, the call priority that carries in this message related to calls as call treatment priority and the call priority sign is set, is entered steps A 23; If do not carry, then described calling entity is carried at the call priority of the caller of this message related to calls of self storage or called subscriber's USL correspondence in this message related to calls, as call treatment priority and the call priority sign is set;
A23. described calling entity will deposit in the call queue corresponding with current call treatment priority through the message related to calls that class of call is determined.
8. method according to claim 7 is characterized in that, judges whether to carry described in the steps A 22 before the call priority, and this method also comprises:
A221. described calling entity judges whether current calling is new calling, if new the calling then further judges whether current calling is urgent call, if then enter steps A 225; Otherwise, enter steps A 223; If current calling is not new calling, then enter steps A 222;
A222. whether judge current calling from the user, if then enter steps A 224; Otherwise, continue execution in step A22;
A223. according to USL or call priority information the call priority sign is set in this message related to calls, as call treatment priority, execution in step A23;
A224. the call priority according to this user's USL correspondence is provided with the call priority sign, as call treatment priority, execution in step A23;
A225. described message related to calls is deposited in the urgent call formation, process ends and Waiting for Call are handled.
9. according to claim 7 or 8 described methods, it is characterized in that in the steps A 23, described message related to calls is deposited in before the call queue, this method also comprises: the joining day stabs in message related to calls.
10. according to claim 7 or 8 described methods, it is characterized in that described message related to calls is a sip message; Described call priority sign adopts the priority Priority of SIP to indicate and identifies.
11. method according to claim 8 is characterized in that, calling entity described in the step B is according to determining that the method that good call treatment priority is called out is:
B11. described calling entity judges whether there is pending calling in the urgent call formation, if exist, then according to the urgent call of existing call flow performing, process ends afterwards; If do not exist, then enter step B12;
B12. check first message related to calls in other call queue respectively, obtain the call treatment priority of first message related to calls in each call queue, and the high message related to calls of selective call processing priority is called out according to the existing call flow performing.
12. method according to claim 1 is characterized in that, described steps A further comprises:
Described calling entity is used to represent other grade of service of different business corresponding priorities level according to existing in the message related to calls, and described USL determines call treatment priority.
13. method according to claim 12 is characterized in that, this method also comprises: described calling entity is adjusted the priority-level of application resource in the calling procedure according to described USL.
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| CNA2006100586916A CN101035360A (en) | 2006-03-08 | 2006-03-08 | Method for implementing calling in the multimedia communication call control |
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| CNA2006100586916A CN101035360A (en) | 2006-03-08 | 2006-03-08 | Method for implementing calling in the multimedia communication call control |
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| CN101035360A true CN101035360A (en) | 2007-09-12 |
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| CNA2006100586916A Pending CN101035360A (en) | 2006-03-08 | 2006-03-08 | Method for implementing calling in the multimedia communication call control |
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| CN101179857B (en) * | 2007-12-12 | 2010-07-28 | 普天信息技术研究院有限公司 | Call establishment method for UMA network |
| WO2012022226A2 (en) * | 2010-08-18 | 2012-02-23 | 中兴通讯股份有限公司 | Method and system for high-priority service |
| CN102893668A (en) * | 2010-06-07 | 2013-01-23 | 交互数字专利控股公司 | Method and apparatus for transmitting service request messages in a congested network |
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