WO2009082921A1 - Procédé, système et appareil de mise en œuvre d'un service de transfert d'appels - Google Patents

Procédé, système et appareil de mise en œuvre d'un service de transfert d'appels Download PDF

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Publication number
WO2009082921A1
WO2009082921A1 PCT/CN2008/073508 CN2008073508W WO2009082921A1 WO 2009082921 A1 WO2009082921 A1 WO 2009082921A1 CN 2008073508 W CN2008073508 W CN 2008073508W WO 2009082921 A1 WO2009082921 A1 WO 2009082921A1
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WIPO (PCT)
Prior art keywords
call
user
service
message
called
Prior art date
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PCT/CN2008/073508
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English (en)
Chinese (zh)
Inventor
Zaijian Zong
Original Assignee
Huawei Technologies Co., Ltd.
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Filing date
Publication date
Application filed by Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2009082921A1 publication Critical patent/WO2009082921A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/54—Arrangements for diverting calls for one subscriber to another predetermined subscriber
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold

Definitions

  • the present invention relates to the field of communications, and in particular, to a method, system, and apparatus for implementing a call forwarding service. Background technique
  • the call forwarding service includes unconditional call forwarding service, busy call forwarding service, non-answering call forwarding service, user online call forwarding, and forward time according to time period. These forwarding services use the softswitch to query and judge the user data and status of the application for forwarding services, thereby establishing a new forward call.
  • the forwarding number is usually set in the Home Location Register (HLR) to the Voice Added System (VAS).
  • HLR Home Location Register
  • VAS Voice Added System
  • the forwarding condition may be: unconditional forward, long-term call should not forward, busy forward, and unreachable forward
  • the VAS system can prompt the calling user to perform messages and other operations according to the service attributes of the called user.
  • the system records the call information and the operation information of the calling party.
  • the user can actively dial the access code of the VAS system to listen to the corresponding information; or the system actively calls the called user to let the called user listen; or send a short message (Short Messaging Service, SMS) or multimedia message.
  • SMS Short Messaging Service
  • MMS Multimedia Messaging Service
  • the VAS system cannot directly obtain the real state of the user through the relevant specifications (such as the called party is reachable); the VAS system continuously tries to call the called party process.
  • the VAS system can only enable the user to listen to the missed message during this period after the called party is powered on and turned on, which leads to an increase in the call loss of the network and wastes valuable network resources.
  • the VAS system will immediately send all the missed messages in the inaccessible period to the Shor t mes sage service center (SMS), resulting in an increase in the SMS storage capacity of the SMSC.
  • SMS Shor t mes sage service center
  • the SMSC sets the home location flag of the home location register to wait for the called user to power on; when the user starts up, the HLR returns a missed call alert to the SMSC.
  • Alert _Sc triggers the short message to be re-issued, and the user receives the short message; 4 - 7, SMSC sends The status of the called user is reported to the VAS system.
  • the VAS detects that the called user is powered on, the VAS sends a message to the SMSC that is saved in the VAS system and sends it to the user for viewing.
  • the system then delivers the backlog information accumulated in the VAS system:
  • Some short messages need to be saved in the SMSC system, and some short messages are stored in the VAS system. In addition, since the VAS system relies on the SMSC short message status report to obtain the user status, the reliability cannot be guaranteed.
  • the embodiment of the invention provides a method, a system and a device for implementing a call forwarding service, so that the VAS can obtain the real state information of the user in time, and improve the service processing capability and reliability of the system.
  • the embodiment of the invention provides a method for implementing a call forwarding service, including:
  • Service-call control function device acquires a call forwarding trigger rule
  • the call information for the called user is forwarded to the application server or the voice value-added system according to the call forwarding trigger rule.
  • the embodiment of the invention provides a service-call control function device, including:
  • a forwarding information obtaining module configured to acquire a call forwarding triggering rule of the user
  • the call processing module is configured to trigger a call forwarding of the calling call information according to the call forwarding triggering rule of the user when receiving the IMS service call request by the user as the called party.
  • An embodiment of the present invention provides an IMS service application server, including:
  • a call request receiving module configured to receive a call request sent by the call control function device, and a parsing module, configured to acquire a call forwarding triggering rule carried in the call request;
  • the call processing module is configured to trigger call forwarding of the calling call information according to the call forwarding triggering rule.
  • the embodiment of the invention provides a system for implementing a call forwarding service, including:
  • a service-call control function device configured to acquire a user status of a called user and a call forwarding trigger rule
  • the call control function device triggers call information of the calling party that forwards the rule according to the call forwarding.
  • the method, the system and the device for implementing the call forwarding service in the embodiment of the present invention can enable the VAS system to obtain the real state information of the user in time by using the setting of the filtering parameter and the capability provided by the CSCF and the HSS, and can directly obtain the current state information in the service processing.
  • the outgoing call user, or the flexible merged message is sent to the UE2, or sent to the UE2 through the MESSAGE message of the IMS.
  • the processing strategy of the service is very flexible, and the reliability of the system is also ensured through the request confirmation mechanism of the SIP message.
  • FIG. 1 is a flowchart of implementing a call forwarding service in the prior art
  • FIG. 2 is a flowchart of a call forwarding service ordering scheme 1 of a called user of an IMS domain according to Embodiment 1 of the present invention
  • FIG. 3 is a flowchart of a call forwarding service ordering scheme 2 of a called user of an IMS domain according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a deregistration process triggered when a called user is powered off according to Embodiment 1 of the present invention
  • FIG. 5 is a flowchart of a timeout registration process triggered by a timeout trigger of a called user registration message according to Embodiment 1 of the present invention
  • FIG. 6 is a flowchart of implementing a call forwarding service in Embodiment 1 of the present invention.
  • FIG. 7 is a flowchart of a registration process triggered when a called user is powered on according to Embodiment 1 of the present invention
  • FIG. 8 is a flowchart of implementing a call forwarding service according to Embodiment 2 of the present invention.
  • FIG. 9 is a flowchart of implementing a call forwarding service in Embodiment 3 of the present invention.
  • FIG. 10 is a flowchart of implementing a call forwarding service in Embodiment 4 of the present invention.
  • FIG. 11 is a structural block diagram of a service-call control function device according to an embodiment of the present invention.
  • FIG. 12 is a structural block diagram of an IMS service application server according to an embodiment of the present invention. detailed description
  • Embodiments of the present invention pass a home subscriber server in an intelligent network (Home Subscr iber
  • CSCF2 receives the service call request with the user as the called party, it can obtain the user attribute of the called user, the user status, and the trigger rule in the state, when the AS or VAS system is connected.
  • the call information of the called user is triggered to be forwarded to the AS or VAS system according to the obtained trigger rule.
  • Embodiment 1 of the present invention provides a method for implementing a call forwarding service.
  • the called-subscriber belongs to the service-call control function device S-CSCF.
  • the user is the called service call request
  • the user attribute of the called user, the user status, and the trigger rule in the state are obtained;
  • the AS or VAS system receives the call request sent by the S-CSCF, and the called user calls
  • the information is forwarded to the AS or VAS system, because the called user has ordered the call forwarding service before the call is transferred.
  • the AS or VAS system obtains the user's boot registration information, and according to the boot registration information.
  • the triggering rule triggers the forwarded call information to the called user.
  • the user 1 (UE1) and the user 2 (the UE 2 ) are both in the IMS network environment, and the user 2 is in an inaccessible state (the user is shut down or the user is abnormally shut down), that is, the user 1 calls.
  • the call forwarding service processing process also called the call forwarding service
  • the called user registers the forwarding service, called The user's shutdown to register, the call forwarding class when the calling party is called, and the call forwarding registration missed call process are as follows, please refer to Figure 4-8.
  • the IMS called user UE2 can subscribe to the call forwarding service (such as voice mailbox, missed call reminder, video mailbox) in two ways, and when the user is not available, busy, etc.
  • the calling call message is forwarded to the voice value-added system, and the IMS user's service order can have the following two solutions:
  • Solution 1 UE2 is ordered from the service support system BSS/Operation Support System 0SS, and then the data is synchronized to the VAS system. Please refer to Figure 2 for detailed process description:
  • Steps 201 - 202 the user orders the forwarding service by means of a call, a short message, a business hall, etc.; Steps 203 - 204, the BSS/0SS system records the ordering relationship, and simultaneously delivers the user ordering attribute to the HSS through the Sh interface, the ordering attribute There are at least three FCs (FC1: Call Forwarding Trigger Rule; FC2: Registration Message Trigger Rule; FC3: Deregistration Message Trigger Rule). Steps 205 - 206, BSS/OSS synchronization ordering is related to the VAS system.
  • FC1 Call Forwarding Trigger Rule
  • FC2 Registration Message Trigger Rule
  • FC3 Deregistration Message Trigger Rule
  • Step 207 You can choose to return the subscription success or failure to the user by means of a call, a message, or a protocol paper (this step is optional according to the business operation).
  • Solution 2 The user orders the business directly through the VAS system. Please refer to Figure 3. The detailed process is as follows:
  • Step 301-302 The user subscribes to the call forwarding service by using a telephone, a message, an Ema i, or the like to the VAS system;
  • Step 303 - 304 the VAS system records the ordering relationship, and sets the attribute of the ordering attribute FC through the Sh interface in the IMS specification (at least three FC attributes, call forwarding triggering rules; registration message triggering rule; deregistration message triggering rule) ) ;
  • Step 307 Return the order result to the user.
  • the main difference is which system is triggered by the synchronization of the ordering relationship, and the called user UE2 in the first scheme firstly provides the service support system/operation support system. Ordering, and then synchronizing the data to the voice value-added system through the service support system/operation support system, that is, the synchronization is triggered by the service support system/operation support system, and in the second scheme, the called user UE2 first orders the voice value-added system.
  • the data is synchronized to the service support system/operation support system through the voice value-added system, and the synchronization is triggered by the voice value-added system, but the final data of the two solutions is based on the service support system/operation support system to ensure that the user data is unique. Sex.
  • the registration or the user registration message of the UE2 is timed out, and the registration is as follows:
  • Steps 401 ⁇ 405 UE2 is shut down, UE2 sends a shutdown registration message to P-CSCF2, and through I-CSCF2 to S-CSCF2, the registration message carries an aging value of 0 seconds, and needs to include the basics of shutdown registration.
  • Information such as: Public User Identity, Private User Identity, home network domain name, UE IP address.
  • Steps 406 ⁇ 408, the S-CSCF2 obtains the information about the shutdown registration of the UE2, and triggers the registration message to the voice value-added system according to the de-registration triggering rule returned by the HSS2;
  • the S-CSCF2 sends Cx-Pull information to the HSS2, the HSS2 returns the user attribute to the S-CSCF2, and the S-CSCF2 triggers the shutdown registration message (ie, de-registers the message DE-REGISTER) to the voice according to the de-registration trigger rule returned by the HSS2. Value-added system.
  • Steps 409 ⁇ 410 S-CSCF2 sends Cx-put information to HSS2 and updates the user's network status information to the user has been shut down; and HSS2 returns the user network status information.
  • Steps 411 ⁇ 414 the voice value-added system completes corresponding processing on the DE-REGISTER message according to the de-registration trigger rule, updates the user status of the UE2 to an unreachable state, accepts the calling user's call information (missing call) during the period, and waits for the user. Call the user or send a message after the call; and return a success response message.
  • the called user UE2 registration message timeout such as: UE2 abnormal shutdown when triggered to de-register DE-REGISTER process is as follows, please refer to Figure 5:
  • Step 501 The P-CSCF2 or the S-CSCF2 finds that the user registration message times out (the user does not receive the scheduled registration message of the user), and starts the timeout processing flow.
  • Steps 502 ⁇ 504 S-CSCF2 obtains the attribute of the UE2 from the HSS2, obtains a trigger rule for deregistering the DE-REGISTER, and triggers the user registration register to the voice value-added system to delete the user registration message.
  • Step 505 The voice value-added system receives the registration deletion registration message, and updates the UE2 user status to be unavailable.
  • the process of the step is the same as the UE2 directly sends the registration deletion message.
  • Steps 506 ⁇ 507 the voice value-added system sends a logout user status message to the HSS2 to update the user status information in the HSS2 to the called user status as unreachable.
  • steps 504 and 506 can be performed simultaneously, or step 506 is performed first and then step 504 is performed.
  • CSCF2 directly triggers the rules according to the forwarding class.
  • FC triggers the call request message to the voice value-added system, please refer to Figure 6, the detailed process is as follows:
  • Step 601 User 1 (UE1) initiates a call request (INVITE) to communicate with User 2 (UE 2 ).
  • Step 602 The service-call control function (S-CSCF1) device on the user 1 side triggers the call service of the user 1 and the user 2 according to the subscription attribute of the UE1.
  • S-CSCF1 service-call control function
  • Step 603 The S-CSCF1 forwards the call request to the gateway-call control function (I-CSCF2) of the UE2.
  • I-CSCF2 gateway-call control function
  • Steps 604 ⁇ 606 the I-CSCF2 obtains the S-CSCF2 information of the UE2 from the home subscriber server (HSS2) on the called subscriber 2 side, and forwards the call request message to the S-CSCF2 according to the result of the HSS2 returning the S-CSCF2 information.
  • HSS2 home subscriber server
  • Steps 607 ⁇ 608 S-CSCF2 obtains the user attribute of UE2 from HSS2 through the CX interface, and HSS2 returns the call forwarding triggering rule in the user shutdown state and the shutdown state.
  • Step 609 The S-CSCF2 forwards the call request to the voice value-added system according to the user state and the forwarding class triggering rule returned by the HSS2.
  • Step 610 The voice value-added system responds successfully (200 0K) message to the UE1 through a network element such as S-CSCF2, I-CSCF2, and CSCF1.
  • a network element such as S-CSCF2, I-CSCF2, and CSCF1.
  • Step 61 UE1 responds to the response message (ACK) of the call request, S-CSCF1, I-CSCF2,
  • the S-CSCF2 transparently transmits the message to the voice value-added system.
  • Steps 612-614 the voice value-added system plays the corresponding voice or video information of the UE1 to prompt the UE1 to perform corresponding operations, such as recording or recording video, and the voice value-added system processes the forwarded call information and the operation information of the UE1, and actively releases the call. Or UE1 actively releases the call, and UE1 confirms to release the current call.
  • Step 701 The UE2 user starts up and sends a registration Register message.
  • Step 702 The visited P-CSCF2 forwards the REGISTER message to the home location according to the UE2 attribute.
  • I-CSCF2 If the user is not roaming, P-CSCF2 is equivalent to I-CSCF2.
  • Locator Function queries HSS2, obtains S-CSCF2 information, and forwards REGISTER message to S-CSCF2.
  • Steps 708-712 CSCF2 triggers a REGISTER message to the VAS system according to a Service Point Trigger (SPT); the voice value-added system performs timely update of the user status according to the UE2 information in the boot registration message; the VAS response message is sent to the S-CSCF2, And through I-CSCF2 and P-CSCF2, to UE2, and finally complete the user UE2 boot registration process.
  • SPT Service Point Trigger
  • the voice value-added system also processes the forwarded call information of the user, and the forwarded call information can be processed by sending an SMS/MMS/SIP-MESSAGE message.
  • the following processing schemes can be selected:
  • the forwarded call information can be unified and integrated into a comprehensive message, and the integrated message can include call information and a message received by the called party in an inaccessible or busy time, and the called user
  • Short message example B If the outbound call mode is used, the voice value-added system immediately initiates a call to the UE2 user, and plays the forwarded call information and the message content one by one. This scheme can also allow the user to repeatedly listen and call back the caller during the listening process. , delete, etc.
  • the UE2 user directly listens to the message information in the terminal, and the message information can be selected by voice or video.
  • the UE2 user registration REGI STER message may carry an aging time, and the registration update message may be repeatedly sent during the aging time, and the voice value-added system may process such a registration message multiple times.
  • the registration message belongs to the basic message of S IP, and the S-CSCF needs to perform according to the user's order relationship.
  • the IMS user subscribes to the call forwarding service.
  • the process of the VAS system RE-REGI STER message is basically similar to the registration process, and the user status can be continuously refreshed.
  • Embodiment 2 in this embodiment, both user 1 (UE1) and user 2 (UE2) are in an IMS network environment, and user 2 is in a busy state (rejecting to accept information or a call).
  • the call processing procedure is as follows: As described in the text, the ordering of the forwarded service of the called user is the same as the forwarding ordering process in the first embodiment, please refer to FIG. 8 (the processing flow is also called the call forwarding service).
  • the gateway-call session control function (I-CSCF2) forwards the call request; the I-CSCF2 acquires the S-CSCF2 information of the UE2 from the home subscriber server (HSS2) on the user 2 side, and forwards the call according to the result of returning the S-CSCF2 of the HSS2
  • the message is sent to the S-CSCF2, and the processing flow of this part is similar to the processing flow of the call forwarding in Embodiment 1.
  • Steps 807 - 810 the S-CSCF2 obtains the normal state of the user 2, and calls the UE2 user, finds that the UE2 is busy or the UE2 rejects the current call request.
  • the S-CSCF2 re-acquires the trigger control information in the state to the HSS2 according to the obtained updated user state (that is, the state in which the user 2 is busy), and triggers the calling user according to the forwarding-type triggering rule set by the HSS2.
  • the call request is forwarded to the voice value-added system.
  • Steps 814 - 818 the voice value-added system performs the operation of the missed call information and the UE 1 according to the call reason, and the part is similar to the processing procedure of the steps 610-614 of the call forwarding in the first embodiment.
  • the forwarded call information of the user needs to be processed, and the processing of the forwarded call information can be sent to the SMS/MMS or the SIP-MESSAGE message.
  • the specific process is the same as that in the first embodiment. More details will be described. It should be noted that the main difference between the embodiment 2 and the foregoing embodiment 1 is that the steps 810 - 81 3 , the S-CSCF2 calls the user UE2 to find that the UE2 is busy or the UE2 rejects the current request and then re-acquires the forwarding type trigger to the HSS2 according to the user state.
  • the rule forwards the call request to the voice value-added system according to the forwarding-type triggering rule set by the voice value-added system under the HSS, and the S-CSCF2 updates the user state through the above process, and re-acquires the trigger control information related to the user state.
  • the forwarding class triggering rule forward call request to the voice value-added system the call forwarding process is completed.
  • Embodiment 3 in this embodiment, the user UE1 is not an IMS user, and the user UE2 is an IMS user and a UE2 user in the case of a call processing flow (call early forwarding service), please refer to FIG. 9, where the called user's forwarding class
  • the ordering of the business is the same as the forwarding ordering process in the first embodiment.
  • the process is mainly performed by the user UE1 in the PSTN domain of the public switched telephone network dialing the user UE2 in the IMS domain, and for the VAS, it is forwarded through the call request INVITE message based on the SIP system.
  • the processing of the call information but since UE1 is a non-IMS user, the MGCF is added to perform control conversion of different protocols and media.
  • Step 901 The calling user 1 (UE1) initiates a call request (INVITE) and hopes to communicate with the user 2 (UE2).
  • UE1 The calling user 1 (UE1) initiates a call request (INVITE) and hopes to communicate with the user 2 (UE2).
  • Step 902 The media gateway control function MGW/MGCF performs media protocol control on the call request.
  • Step 903 The MGW/MGCF forwards the call request to the gateway-call session control function (I-CSCF2) of the UE2.
  • HSS2 home subscriber server
  • Step 907 908 The S-CSCF2 obtains the user attribute of the UE2 from the HSS2 through the CX interface, and the HSS2 returns the user inaccessible state to the S-CSCF2 and the call forwarding trigger rule in the state.
  • Step 909 The S-CSCF2 forwards the call request to a voice value added system (VAS) or an application server (AS) according to the returned user status and call forwarding trigger information.
  • VAS voice value added system
  • AS application server
  • Step 910 The voice value added system (VAS) or the application server (AS) prompts the MGW/MGCF to ring.
  • VAS voice value added system
  • AS application server
  • Step 911 The MGW/MGCF sends an address full message ACM to the user 1.
  • Step 9 - 913, the voice value added system (VAS) or the application server (AS) sends a call success response to the MGW/MGCF, and the MGW/MGCF sends a response message A to the user 1.
  • VAS voice value added system
  • AS application server
  • Steps 914 - 919 the VAS plays the corresponding voice or video information of the UE1 to prompt the UE1 to perform corresponding operations, such as recording or recording video; the VAS processes the forwarded call information and the operation information of the UE1, and actively releases the current call, or the UE1 actively takes the initiative. Release the call; UE1 confirms to release the call.
  • the forwarded call information of the user needs to be processed, and the processing of the forwarded call information can be sent to the SMS/MMS or the SIP-MESSAGE message.
  • the specific process is the same as that in the first embodiment. More details will be described.
  • the voice value-added system when the called user UE2 is registered at the power-on, the voice value-added system triggers the forwarded call information to the called user by the activation triggering rule, and the flow is similar to the steps 701-712 in the first embodiment.
  • the caller's identification and display need to be considered in the missed call processing, so that the UE2 can perform the corresponding processing well, such as: Callback calling mode.
  • Embodiment 4 UE1 is a non-IMS user, and UE2 is a call processing procedure (calling a late-transfer service) when the IMS user and the UE2 user are busy (rejected). Please refer to FIG. 10, where the called user's forwarding service is performed. The order is the same as the forwarding order process in Embodiment 1.
  • the call processing procedure in this embodiment is similar to Embodiment 3, except that since the UE2 user is in the power-on state and is in a busy state (call request rejection), in steps 1010-1013, the S-CSCF2 acquires the normal state of the user 2.
  • the S-CSCF2 re-acquires the call forwarding trigger rule to the HSS2 according to the user status, and forwards the call information according to the call forwarding trigger rule set by the VAS to VAS system or AS system.
  • the call information of the forwarded call of the user needs to be processed, and the processing of the forwarded call information may be sent to the SMS/MMS or the SIP-MESSAGE message, and the specific process is the same as that in Embodiment 1. , will not be described in detail here.
  • the embodiment of the present invention further provides a call forwarding service implementation system, a service call call control function device and an IMS service application server.
  • a service-call control function device configured to acquire a user status of a called user and a call forwarding trigger rule
  • the call control function device calls information of the called user that is forwarded according to the call forwarding trigger rule.
  • FIG. 11 is a structural block diagram of a service-call control function device according to an embodiment of the present invention, which mainly includes:
  • a forwarding information obtaining module configured to acquire a call forwarding triggering rule of the user
  • a call processing module configured to trigger a call forwarding of the calling call information according to the call forwarding triggering rule of the user when receiving the IMS service call request by the user as the called party
  • FIG. 12 is a structural block diagram of an IMS service application server according to an embodiment of the present invention, which mainly includes:
  • a call request receiving module configured to receive a call request sent by the S-CSCF
  • a parsing module configured to obtain a call forwarding triggering rule carried in the call request
  • the call processing module is configured to trigger call forwarding of the calling call information according to the call forwarding triggering rule. It can be seen from the foregoing specific embodiments provided by the embodiments of the present invention that the present invention can enable the VAS system to obtain the real state information of the user in time by the setting of the filtering parameters and the capabilities provided by the CSCF and the HSS, and at the same time in the service processing.
  • the user can directly call the user once, or send the flexible message to UE2, or deliver the UE2 through the MESSAGE message of the IMS.
  • the service processing policy is very flexible, and the reliability of the system through the request confirmation mechanism of the IP message is also obtained. Guarantee.
  • the present invention can be applied to an IMS network as well as to an IMS-like network.
  • the control of the request message is controlled to perform registration, call, and the like of the user terminal.
  • other services such as a unified mailbox (UMS), a personal communication assistant, and the like, and value-added services based on the state of the user network can be provided, and the voice value-added system in the present invention can be completely replaced by the application server.
  • UMS unified mailbox
  • the voice value-added system in the present invention can be completely replaced by the application server.
  • the program when executed, may include the flow of an embodiment of the methods as described above.
  • the storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM), or a random access memory (RAM).
  • ROM read-only memory
  • RAM random access memory

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Abstract

Procédé, système et appareil de mise en œuvre d'un service de transfert d'appels, le procédé comportant les étapes consistant à : obtenir la règle de déclenchement du transfert d'appels au moyen de l'appareil assurant la fonction de commande des appels passés via le service ; transmettre les informations d'appel relatives à l'utilisateur appelé au serveur d'application ou au système vocal à valeur ajoutée en fonction de la règle de déclenchement du transfert d'appels.
PCT/CN2008/073508 2007-12-14 2008-12-15 Procédé, système et appareil de mise en œuvre d'un service de transfert d'appels WO2009082921A1 (fr)

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CN101188802A (zh) * 2007-12-14 2008-05-28 华为技术有限公司 一种呼叫转移前转类的实现方法和系统
CN101635901B (zh) * 2008-07-21 2012-06-06 中兴通讯股份有限公司 一种具有呼叫转移功能的sip终端及其呼叫转移方法
CN101448226B (zh) * 2008-12-31 2011-02-09 华为技术有限公司 一种前转业务的识别方法和设备
CN103841528A (zh) * 2012-11-22 2014-06-04 中国移动通信集团辽宁有限公司 Ims系统来电提醒业务实现方法和系统
CN104144265B (zh) * 2013-05-10 2017-03-29 中国电信股份有限公司 实现电话自动呼转的方法、系统与交换机
CN103561362A (zh) * 2013-11-21 2014-02-05 中国联合网络通信集团有限公司 一种数据传输方法、设备及系统
CN111212392B (zh) * 2018-11-22 2022-02-11 中国移动通信集团重庆有限公司 前转呼叫过滤方法、装置、设备和介质

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