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WO2007068205A1 - Procede et systeme permettant de realiser un service d'appels en attente pour le terminal appele - Google Patents

Procede et systeme permettant de realiser un service d'appels en attente pour le terminal appele Download PDF

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Publication number
WO2007068205A1
WO2007068205A1 PCT/CN2006/003394 CN2006003394W WO2007068205A1 WO 2007068205 A1 WO2007068205 A1 WO 2007068205A1 CN 2006003394 W CN2006003394 W CN 2006003394W WO 2007068205 A1 WO2007068205 A1 WO 2007068205A1
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WO
WIPO (PCT)
Prior art keywords
calling
called
vlr
terminal
call waiting
Prior art date
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Application number
PCT/CN2006/003394
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English (en)
Chinese (zh)
Inventor
Guojun Zhu
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Huawei Technologies Co Ltd
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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 WO2007068205A1 publication Critical patent/WO2007068205A1/fr
Anticipated expiration legal-status Critical
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Classifications

    • 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
    • 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
    • H04M3/428—Arrangements for placing incoming calls on hold
    • H04M3/4288—Notifying a called subscriber of an incoming call during an ongoing call, e.g. Call Waiting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2207/00—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place
    • H04M2207/18—Type of exchange or network, i.e. telephonic medium, in which the telephonic communication takes place wireless networks

Definitions

  • the present invention relates to the field of call waiting services in communication technologies, and in particular, to a method and system for implementing call waiting of a called terminal. Background of the invention
  • the existing communication technology provides a call waiting service for the majority of end users. After the end user signs up and activates the call waiting service, the communication system allows the end user to accept another end user initiated call while talking to other terminals.
  • the end user subscribes to the call waiting service at the Home Location Register (HLR).
  • HLR Home Location Register
  • the subscribed call waiting service may be activated by sending a characteristic operation code of the activated call waiting service to the home HLR.
  • the home HLR sets an enabled call waiting identifier corresponding to the terminal user, and passes the set enabled call waiting identifier corresponding to the terminal user through the location registration process, the qualification indication process, or the qualification request process.
  • the service mobile switching center/visit location register (MSC/VLR) is delivered to the end user, and the service MSC/VLR of the terminal user saves the received call waiting identifier corresponding to the terminal user to its own database.
  • the subscribed call waiting service can be deactivated by sending a characteristic opcode to deactivate the call waiting service to the home HLR.
  • the home HLR receives the feature operation code of the deactivated call waiting service
  • the set call waiting identifier corresponding to the terminal user is canceled, and the enabled call waiting identifier information corresponding to the terminal user is cancelled and sent to the terminal user's service MS 7VLR.
  • the end user's service MSC/VLR receives the cancellation of the call waiting identification information corresponding to the terminal user, the MSC/VLR deletes The call waiting identifier corresponding to the end user saved in the database itself.
  • FIG. 1 is a signaling flow diagram of implementing call waiting of a called terminal in the prior art.
  • the terminal user a is the calling terminal
  • the terminal user b is the called terminal
  • the terminal user b signs up and activates the call waiting service
  • the database of the serving MSC VLR of the terminal user b stores the enabled call waiting identifier corresponding to the terminal user b.
  • the end user b is talking to the end user c.
  • the method includes the following steps:
  • Step 101 The terminal user a sends an initial call to the calling service MSC/VLR to request to establish a call with the terminal user b.
  • Step 102 The calling service MSC/VLR receives the originating call of the terminal user a, and sends a location request (LOCREQ) message to the called home HLR according to the directory number of the terminal user b carried in the originating call, and queries the terminal user.
  • LOCREQ location request
  • Step 103 After receiving the LOCREQ message, the called home HLR sends a routing request (ROUTREQ) message to the called service MSC/VLR, requesting the called service MSC/VLR to assign a roaming number (TLDN) to the terminal user b.
  • ROUTREQ routing request
  • TDN roaming number
  • Step 104 After receiving the ROUTREQ message, the called service MSC/VLR finds that the terminal user b is in a call with the terminal user c, and triggers the terminal user b to sign and activate according to the enabled call waiting identifier corresponding to the terminal user b saved in the database.
  • the call waiting service assigns a TLDN to the end user b, and carries the assigned TLDN in the routing request response (routreq) message to the called home HLR.
  • Step 105 After receiving the routreq message, the called HLR obtains the allocated TLDN from the routreq message, and carries the obtained TLDN in the location request response (locreq) message to the calling service MSC/VLR.
  • Step 106 After receiving the locreq message, the calling service MSC/VLR establishes a voice channel between itself and the called service MSC/VLR according to the TLDN carried therein, and initiates a call to the called service MSC/VLR through the established voice channel.
  • Step 107 After receiving the call initiated by the calling service MSC/VLR, the called service MSC/VLR sends call waiting information to the terminal user b, and the terminal user b receives the call waiting information, and can select to make a call with the terminal user a. The call with the end user c enters the hold state, thereby implementing the called terminal call waiting.
  • the implementation of the call waiting of the called terminal in the prior art requires the called terminal to sign up and activate the call waiting service. If the called terminal does not have a subscription call waiting service, or the called terminal signs up but does not activate the call waiting service, the called terminal call waiting cannot be realized. At this time, regardless of how the calling terminal needs to make a call with the called terminal, the called terminal cannot accept the call of the calling terminal because it is talking to other terminals.
  • Embodiments of the present invention provide a method for implementing call waiting of a called terminal, so that a called terminal that does not subscribe or sign a contract but does not activate a call waiting service can accept a call of the calling terminal while talking with other terminals.
  • Embodiments of the present invention also provide a system for implementing call waiting of a called terminal, which enables a called terminal that does not subscribe or sign up but does not activate call waiting service to accept a call of the calling terminal while talking with other terminals.
  • a method for implementing call waiting of a called terminal comprising:
  • the called service mobile switching center/home location register MSC/VLR After the called service mobile switching center/home location register MSC/VLR receives the routing request carrying the forced calling terminal to enable the call waiting identity, it determines whether the called terminal is in a call with other terminals, and if so, determines the receiving location.
  • the request carries a mandatory called terminal to enable a call waiting identifier, assigns a roaming number to the called terminal, and sends the assigned roaming number to the calling service MSC/VLR;
  • the calling service MSC/VLR establishes a voice channel between itself and the called service MSC/VLR according to the received roaming number, and initiates a call to the called service MSC/VLR through the established voice channel, and the called service MSC/VLR receives the calling service. After the call initiated by the MSC/VLR, the call waiting information is sent to the called terminal.
  • a system for implementing call waiting of a called terminal comprising a called home HLR and a calling and called service MSC/VLR, wherein
  • the called service MSC/VLR is configured to receive a routing request carrying the call waiting identifier of the called terminal, and determine that the called terminal is in a call with another terminal, and determine that the received request carries the mandatory called terminal enabled.
  • the call waiting identifier, the roaming number is assigned to the called terminal, and the assigned roaming number is sent to the calling service MSC/VLR; after receiving the call initiated by the calling service MSC/VLR, the call waiting information is sent to the called terminal.
  • the calling service MSC/VLR is configured to establish a voice channel between itself and the called service MSC/VLR according to the received roaming number, and initiate a call to the called service MSC/VLR through the established voice channel.
  • the embodiment of the present invention subscribes to the calling home HLR by the calling terminal and activates the mandatory call waiting service and notifies the calling service MSC/VLR, and the called service MSC/VLR receives the calling service MSC.
  • the /VLR determines whether the called terminal is in a call with another terminal by using the routing request sent by the called home HLR and carrying the forced calling terminal to enable the call waiting identifier. If yes, it is determined that the received request carries the mandatory called party.
  • the called terminal After the terminal enables the call waiting identifier, the called terminal is assigned a roaming number, and the assigned roaming number is returned to the calling service MSC/VLR through the called home HLR; the calling service MSC/VLR establishes itself and the received according to the received roaming number.
  • the called service MSC/VLR Calling the voice channel between the serving MSC/VLR, and initiating a call to the called service MSC/VLR through the established voice channel, the called service MSC/VLR sends a call waiting message to the called terminal after receiving the call initiated by the calling service MSC/VLR.
  • the called terminal that does not sign or sign the contract but does not activate the call waiting service can also The other terminal accepts the call of the calling terminal while talking.
  • the embodiment of the present invention since the called terminal call waiting is implemented based on the mandatory call waiting service that the calling terminal subscribes to and activates on the calling home HLR, it is irrelevant whether the called terminal subscribes to or activates the call waiting service. After the calling terminal signs up and activates the forced call waiting service, the called terminal that does not sign or sign the contract but does not activate the call waiting service can also accept the call from the autonomous calling terminal while talking with other terminals. Therefore, the embodiment of the present invention is very advantageous for the calling terminal to notify relevant information to the called terminal in an emergency situation, which greatly improves the satisfaction of the terminal user and greatly improves the competitiveness of the system.
  • the mandatory call waiting service of the called terminal of the called terminal has a broad market application prospect, and the operator can reasonably charge a certain affiliation fee when the terminal user signs the mandatory call waiting service, which will provide the operator with A new point of profit growth.
  • FIG. 1 is a signaling flowchart of implementing call waiting of a called terminal in the prior art
  • FIG. 2 is a flowchart of a method for implementing call waiting of a called terminal according to an embodiment of the present invention
  • FIG. 3 is set by a registration notification process by a calling home HLR. Forcing the called terminal to enable the call flow identifier to be sent to the calling service MSC/VLR.
  • FIG. 4 is a signaling flow diagram of the calling party's home HLR sending the call waiting identity to the calling service MSC/VLR by the Qualification Directive process;
  • Figure 5 shows the calling home HLR through the Qualification Request process.
  • FIG. 6 is a signaling flowchart of implementing call waiting of a called terminal in a first preferred embodiment of the present invention; 7 is a signaling flowchart of implementing call waiting of a called terminal in a second preferred embodiment of the present invention;
  • FIG. 8 is a schematic diagram of implementing a call waiting system of a called terminal according to an embodiment of the present invention. Mode for carrying out the invention
  • the technical solution adopted by the embodiment of the present invention is: after the calling terminal subscribes to the calling home HLR and activates the mandatory call waiting service, the calling home HLR notifies the calling service MSC/VLR, and the called service MSC/VLR receives the main.
  • the MSC/VLR determines whether the called terminal is in a call with another terminal by using the routing request sent by the called home HLR and carrying the forced calling terminal to enable the call waiting identifier. If yes, it is determined that the request carries the mandatory called party.
  • the terminal enables the call waiting identifier, assigns the roaming number to the called terminal, and returns the assigned roaming number to the calling service MSC/VLR through the called home HLR; the calling service MSC/VLR establishes itself and the called according to the received roaming number.
  • Serving the voice channel between the MSC/VLR, and initiating a call to the called service MSC/VLR through the established voice channel, and the called service MSC/VLR sends the call waiting information to the called terminal after receiving the call initiated by the calling service MSC/VLR.
  • the called terminal that does not sign or sign the contract but does not activate the call waiting service can also accept the calling terminal while talking with other terminals. Call.
  • the calling home HLR and the called home HLR may also be the same network entity.
  • the following describes the different network entities for the calling home HLR and the called home HLR.
  • FIG. 2 is a flowchart of an overall method for implementing call waiting of a called terminal according to an embodiment of the present invention.
  • the premise of the method is: the calling terminal signs a contract on the calling home HLR and activates a mandatory call waiting service.
  • the specific steps are: Step 201: After the called service MSC/VLR receives the routing request sent by the called home HLR and carries the forced calling terminal to enable the call waiting identifier, it determines whether the called terminal is in a call with another terminal, and if yes, performs the step. 202; Otherwise, step 203 is performed.
  • the routing request sent by the called home HLR carrying the mandatory called terminal to enable the call waiting identity is obtained from the calling service MSC/VLR.
  • the calling service MSC/VLR establishes a voice channel between itself and the called service MSC/VLR according to the received roaming number, and initiates a call to the called service MSC/VLR through the established voice channel, and the called service MSC/VLR receives the calling party. After the call initiated by the MSC/VLR, the call waiting information is sent to the called terminal.
  • Step 203 The called service MSC/VLR directly allocates a roaming number to the called terminal, and returns the assigned roaming number to the calling service MSC/VLR through the called home HLR, and the calling service MSC/VLR establishes according to the received roaming number.
  • the calling terminal When the calling terminal activates the forced call waiting service, the calling terminal activates the forced call waiting service, the calling terminal activates the forced call waiting service, which may be a permanent activation of the forced call waiting service, or may be a temporary activation forced call waiting for the service.
  • the forced call waiting service which may be a permanent activation of the forced call waiting service, or may be a temporary activation forced call waiting for the service.
  • the permanent activation of the call waiting service by the calling terminal is implemented by the calling terminal transmitting a characteristic operation code for activating the mandatory call waiting service to the calling home HLR.
  • the calling service MSC/VLR After the mandatory call waiting service is permanently activated, each time the calling terminal calls the called terminal, the calling service MSC/VLR will send information to the called service MSC/VLR carrying the call waiting identity with the mandatory called terminal.
  • the calling terminal temporarily activates the mandatory call waiting service. When the calling terminal sends the initial call, it sends a mandatory call waiting service feature to the calling home HLR.
  • the opcode is implemented with the originating call request of the called terminal directory number.
  • the calling service MSC/VLR After the forced call waiting service is temporarily activated, only when the calling terminal calls the called terminal, the calling service MSC/VLR sends the called service MSC/VLR with the information carrying the mandatory called terminal to enable the call waiting identifier.
  • the calling terminal When the calling terminal permanently activates the mandatory call waiting service, the calling terminal sends a characteristic operation code for activating the mandatory call waiting service to the calling home HLR through the calling monthly MSC/VLR, and the calling home HLR receives the activated forced call waiting.
  • the mandatory called terminal corresponding to the calling terminal is enabled to enable the call waiting identifier, and the mandatory call waiting service that the calling terminal subscribes to is permanently activated.
  • the calling party's home HLR sets the mandatory called terminal enabled call waiting identity corresponding to the calling terminal to the calling service MSC/VLR, and the calling service MSC/ The VLR saves the received called terminal enabled call waiting identifier corresponding to the calling terminal to its own database.
  • the calling home HLR can enable the mandatory called terminal corresponding to the calling terminal through at least three processes, such as a Qualification Directive (3) process or a Qualification Request (Qualification Request) process.
  • the call waiting identity is sent to the calling service MSC/VLR.
  • the registration request response (regnot) message in the Registration Notification process is required.
  • the enhanced call feature indication (CFIe) parameter configured to carry the call waiting identity with the mandatory called terminal corresponding to the calling terminal is configured, and the parameter is generally configured in a parameter description of the regnot message.
  • the calling home HLR sends the call waiting identity to the calling service MSC/VLR by using the registration notification process.
  • the signaling flow diagram includes the following steps:
  • Step 301 The calling service MSC/VLR initiates a registration notification operation, and sends a registration request (REGNOT) message to the calling home HLR.
  • REGNOT registration request
  • Step 302 After receiving the REGNOT message, the calling party HLR sends the call waiting identity of the mandatory called terminal corresponding to the calling terminal to the calling service MSC/VLR in the parameter CFIe of the regnot message.
  • the parameter CFIe is configured to carry the mandatory called terminal corresponding to the calling terminal to enable the call waiting identifier, and the parameter is generally configured in the parameter profile of the QUALDIR message.
  • FIG. 4 is a signaling flow chart of the calling party's home HLR transmitting the call waiting identity to the calling service MSC/VLR by the Qualification Directive process, including the following steps:
  • Step 401 The calling home HLR initiates the qualification indication operation, and the mandatory call terminal enabled call waiting identifier corresponding to the calling terminal is carried in the QUALDIR message and sent to the calling service MSC/VLR;
  • Step 402 The calling home HLR returns a qualification indication response (qualdir) message to the calling home HLR after receiving the QUALDIR message.
  • the qualification request response (qualreq) message in the Qualification Request process is required.
  • the parameter CFIe is configured to carry the call waiting identity of the mandatory called terminal corresponding to the calling terminal, and the parameter is generally configured in the parameter profile of the qualreq message.
  • Figure 5 shows the calling home HLR through the Qualification Request process.
  • the signaling flow chart of the mandatory call terminal to enable the call waiting identity to be sent to the calling service MSC/VLR includes the following steps:
  • Step 501 The calling service MSC/VLR initiates a Qualification Request operation, and sends a qualification request (QUALREQ) message to the calling home HLR.
  • QUALREQ qualification request
  • Step 502 After the calling party's home HLR receives the QUALREQ message, the caller ID of the mandatory called terminal corresponding to the calling terminal is carried in the parameter CFIe of the qualreq message and sent to the calling service MSC/VLR.
  • the calling terminal When the calling terminal temporarily activates the forced call waiting service, the calling terminal transmits the temporary activated mandatory call waiting service feature operation code and the called terminal directory number to the calling service MSC/VLR in the originating call request. After receiving the initial call request, the calling service MSC/VLR sends the at least one temporary activated mandatory call waiting service feature operation code and the called party to the calling home HLR according to the temporary activated mandatory call waiting service feature operation code carried therein.
  • a feature service request (FEATREQ) message for the terminal directory number.
  • the calling home HLR forces the called terminal to enable the call waiting identifier according to the temporary activation forced call waiting service feature operation code carried therein, temporarily activates the mandatory call waiting service that the calling terminal subscribes to itself, and then sets The forced called terminal enabled call waiting identifier and the called terminal directory number are carried in the feature service request response (featreq) message and returned to the calling service MSC/VLR.
  • the calling terminal may implement the deactivated contracted mandatory call waiting service by sending a characteristic operation code for deactivating the mandatory call waiting service to the calling home HLR.
  • the calling home HLR receives the characteristic operation code for deactivating the forced call waiting service, the forcibly called terminal corresponding to the calling terminal is canceled to enable the call waiting identifier, and the forced called terminal corresponding to the calling terminal is cancelled.
  • the call waiting identification information is sent to the calling service MSC/VLR.
  • the CDR/VLR deletes The forced calling terminal corresponding to the calling terminal saved in the own database enables the call waiting identifier.
  • the calling terminal may also send a temporary deactivation forced call waiting service feature operation code and the called terminal directory to the calling service MSC/VLR through the originating call request.
  • the number temporarily deactivated the contracted mandatory call waiting service.
  • the calling service MSC/VLR After receiving the initial call request, the calling service MSC/VLR sends the at least the temporary deactivated mandatory call waiting service feature operation code and the called party to the calling home HLR according to the temporary deactivated mandatory call waiting service feature operation code carried therein. FEATREQ message for the terminal directory number.
  • the forcibly called terminal that cancels the setting enables the call waiting identifier, and cancels the forced calling terminal to enable the call waiting identification information and the called terminal directory number to be carried in the featreq message and returned to the calling party.
  • Serving MSC/VLR After the calling service MSC/VLR receives the cancellation of the forced calling terminal to enable the call waiting identification information, it does not delete the mandatory called terminal enabled call waiting identifier corresponding to the calling terminal stored in its own database, and only calls this time to the called party. The location request sent by the home HLR is no longer carried to force the called terminal to enable the call waiting identifier.
  • FIG. 6 is a signaling flowchart of implementing call waiting of a called terminal in a preferred embodiment of the present invention.
  • the terminal user a is the calling terminal, the terminal user a subscribes to and activates the forced call waiting service, and the database of the serving MSC/VLR of the terminal user a stores the mandatory called terminal enabled call waiting identifier corresponding to the terminal user a;
  • b is the called terminal, the end user b does not subscribe to the call waiting service, and the terminal user b is making a call with the terminal user c.
  • the method includes the following steps:
  • Step 601 The terminal user a sends an initial call to the calling service MSC/VLR, requesting A call with the end user b is established, and at least the directory number of the terminal user a and the directory number of the end user b are carried in the originating call request.
  • Step 602 The calling service MSC/VLR receives the originating call of the terminal user a, and activates the call waiting identifier according to the mandatory called terminal corresponding to the terminal user a stored in the database, and the terminal user b carried in the originating call.
  • the directory number is sent to the called home HLR to send a LOCREQ message carrying the call waiting identity of the forcibly called terminal, and querying the location information of the terminal user b;
  • the embodiment of the present invention needs to add a single service identifier (OTFI) parameter for carrying the mandatory called terminal to enable the call waiting identifier in the LOCREQ message.
  • OTFI service identifier
  • Step 603 After receiving the LOCREQ message, the called home HLR sends a ROUTREQ message carrying the call waiting identity of the called terminal to the called service MSC/VLR, requesting the called service MSC/VLR to allocate a TLDN to the terminal user b.
  • the embodiment of the present invention needs to modify the parameter OTFI in the ROUTREQ message so that the parameter OTFI can carry the mandatory called terminal to enable the call waiting identifier.
  • Step 604 After receiving the ROUTREQ message carrying the call waiting identity of the called terminal, the called service MSC/VLR determines whether the terminal user b is in a call with another terminal, and if yes, determines that the received request carries the mandatory The called terminal enables the call waiting identity, assigns a TLDN to the end user b, and carries the assigned TLDN in the routreq message back to the called home HLR.
  • Step 605 After receiving the routreq message, the called home HLR obtains the allocated TLDN from the routreq message, and carries the obtained TLDN in the locreq message and returns it to the calling service MSC/VLR.
  • Step 606 After the calling service MSC/VLR receives the locreq message, according to the carrier The TLDN of the band establishes a voice path between itself and the called service MSC/VLR, and initiates a call to the called service MSC/VLR through the established voice path.
  • Step 607 After receiving the call initiated by the calling service MSC/VLR, the called service MSC/VLR sends call waiting information to the terminal user b, and the terminal user b receives the call waiting information, and can select to make a call with the terminal user a.
  • the call with the end user c enters the hold state, thereby implementing the called terminal call waiting.
  • the called terminal call waiting service can be implemented.
  • FIG. 7 is a signaling flowchart of implementing call waiting of a called terminal in a second preferred embodiment of the present invention.
  • the terminal user a is the calling terminal, and the terminal user a is contracted but not activated to force the call waiting service;
  • the terminal user b is the called terminal, the terminal user b does not subscribe to the call waiting service, and the terminal user b is making a call with the terminal user c.
  • the method includes the following steps:
  • Step 701 The terminal user a sends an initial call to send, to the calling service MSC VLR, an originating call request carrying at least a temporary activated mandatory call waiting service feature operation code and a terminal user b directory number, requesting to establish with the terminal user b. call.
  • Step 702 The calling service MSC/VLR receives the originating call of the terminal user a, and sends the at least the temporary deactivated mandatory call waiting service feature to the calling home HLR according to the temporary deactivated mandatory call waiting service feature operation code carried therein.
  • the FEATREQ message of the opcode and the end user b directory number is included in Step 702.
  • Step 703 The calling home HLR receives the FEATREQ message, sets the mandatory called terminal to enable the call waiting identifier, and sets the mandatory calling terminal enabled call waiting identifier and the terminal user b's directory number to be carried in the featreq response message.
  • the calling service is the MSC/VLR.
  • Step 704 The calling service MSC/VLR enables the call according to the received mandatory called terminal. Waiting for the identifier and the directory number of the end user b, sending a LOCREQ message carrying the call waiting identifier to the called party to the called home HLR, and querying the location information of the terminal user b;
  • the embodiment of the present invention needs to add an OTFI parameter for carrying the mandatory called terminal to enable the call waiting identifier in the LOCREQ message.
  • Step 705 After receiving the LOCREQ message, the called home HLR sends a ROUTREQ message carrying the call waiting identity to the called party MSC/VLR, requesting the called service MSC/VLR to allocate a TLDN to the terminal user b.
  • the embodiment of the present invention needs to modify the parameter OTFI in the ROUTREQ message so that the parameter OTFI can carry the mandatory called terminal to enable the call waiting identifier.
  • Step 706 After receiving the ROUTREQ message carrying the call waiting identity of the called terminal, the called service MSC/VLR determines whether the terminal user b is in a call with another terminal, and if yes, determines that the received request carries the mandatory The called terminal enables the call waiting identity, assigns a TLDN to the end user b, and carries the assigned TLDN in the routreq message back to the called home HLR.
  • Step 707 After receiving the routreq message, the called home HLR obtains the allocated TLDN from the routreq message, and carries the obtained TLDN in the locreq message and returns it to the calling service MSC/VLR.
  • Step 708 After receiving the locreq message, the calling service MSC VLR establishes a voice channel between itself and the called service MSC/VLR according to the TLDN carried therein, and initiates a call to the called service MSC/VLR through the established voice channel.
  • Step 709 After receiving the call initiated by the calling service MSC/VLR, the called service MSC/VLR sends call waiting information to the terminal user b, and the terminal user b receives the call waiting.
  • the information can be selected to be in a call with the terminal user a, and the call with the terminal user c enters a hold state, thereby implementing call waiting of the called terminal.
  • the calling terminal subscribes but does not activate the forced call waiting service, it sends an originating call carrying the temporary activated mandatory call waiting service feature opcode and the called terminal directory number to the calling home HLR at the time of originating the call.
  • the request can also implement the called terminal call waiting service.
  • the called serving MSC VLR in step 604 and step 706 determines that the end user b is in an idle state
  • the called service MSC/VLR will directly assign a TLDN to the end user b, and The assigned TLDN is carried back to the called home HLR in the routreq message.
  • the called homing HLR receives the routreq message, it obtains the assigned TLDN from the routreq message, and carries the obtained TLDN in the locreq message and returns it to the calling service MSC VLR.
  • the MSC/VLR establishes a voice channel between itself and the called service MSC/VLR according to the TLDN carried therein, and connects the call between the terminal user a and the terminal user b.
  • the parameter OTFI for carrying the call waiting identifier is enabled in the LOCREQ message, and the parameter OTFI is modified in the ROUTREQ message, so that both the LOCREQ message and the ROUTREQ message can be carried.
  • the called terminal is forced to enable the call waiting identifier, and the forced called terminal corresponding to the calling terminal is enabled to transmit the call waiting identifier to the called service MSC/VLR.
  • the corresponding parameters may be added or modified in other messages, or a new message flow may be directly defined, and the mandatory called terminal corresponding to the calling terminal is enabled.
  • the call waiting identity is passed to the called service MSC/VLR.
  • the CFIe parameter is added to the Qualification Directive or Qualification Request, so that the calling home HLR can activate the call of the mandatory called terminal corresponding to the calling terminal after the calling terminal activates the contracted mandatory call waiting service.
  • the waiting identity is sent to the calling service MSC/VLR.
  • the corresponding parameters may be added or modified in the messages of other processes, or the new message flow may be directly defined, and the mandatory called terminal corresponding to the calling terminal set by itself may be set.
  • the call waiting identity is enabled and sent to the calling service MSC/VLR.
  • the embodiment of the present invention further provides a system for implementing call waiting of a called terminal, as shown in FIG. 8.
  • the system includes a calling and called service MSC/VLR, where
  • the called service MSC/VLR is configured to receive a routing request carrying the call waiting identifier of the called terminal, and determine that the called terminal is in a call with another terminal, and determine that the received request carries the mandatory called terminal enabled.
  • the call waiting identifier, the roaming number is assigned to the called terminal, and the assigned roaming number is sent to the calling service MSC/VLR; after receiving the call initiated by the calling service MSC/VLR, the call waiting information is sent to the called terminal.
  • the calling service MSC/VLR is configured to establish a voice channel between itself and the called service MSC/VLR according to the received roaming number, and initiate a call to the called service MSC/VLR through the established voice channel.
  • the system further includes a calling service MSC/VLR and a calling and calling home HLR, wherein the calling home HLR is used for calling the calling terminal and activating the mandatory call waiting service, and notifying the calling service MSC/VLR;
  • the calling service MSC/VLR is configured to send, according to the received notification, a routing request carrying the call waiting identifier to the forcibly called terminal to the called home HLR;
  • the called home HLR is used to receive the mandatory service sent by the calling service MSC/VLR.
  • the terminal requests the terminal to enable the call waiting identity route request and sends it to the called service MSC/VLR.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé et un système permettant de réaliser un service d'appels en attente pour le terminal appelé, ledit procédé comprenant les étapes suivantes : le terminal demandeur souscrit et active le service d'appels renforcé au registre de localisation des clients locaux HLR ; le service appelé MSC/VLR juge si le terminal appelé est en communication avec un autre terminal, après avoir reçu une demande d'acheminement émise par le HLR appelé qui est porteuse d'une identification d'appels en attente au terminal appelé renforcé ; si oui, il attribue un numéro itinérant au terminal appelé après avoir déterminé que la demande reçue est porteuse d'une identification d'appels en attente au terminal appelé renforcé, et renvoie le numéro itinérant attribué au service demandeur MSC/VLR ; le MSC/VLR établit le parcours vocal entre eux-mêmes et le service appelé MSC/VLR, conformément au numéro itinérant reçu, et initie un appel au service MSC/VLR appelé, via le parcours vocal établi, le service MSC/VLR appelé émet l'information d'appels en attente au terminal appelé, après avoir reçu l'appel initié par le MSC/VLR demandeur.
PCT/CN2006/003394 2005-12-15 2006-12-13 Procede et systeme permettant de realiser un service d'appels en attente pour le terminal appele Ceased WO2007068205A1 (fr)

Applications Claiming Priority (2)

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CN200510131843A CN1870696B (zh) 2005-12-15 2005-12-15 一种实现被叫终端呼叫等待的方法
CN200510131843.6 2005-12-15

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WO2007068205A1 true WO2007068205A1 (fr) 2007-06-21

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WO (1) WO2007068205A1 (fr)

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CN101252777B (zh) * 2008-04-03 2012-02-29 中兴通讯股份有限公司 一种实现用户路由的方法
CN101404699B (zh) * 2008-11-19 2011-10-05 中国电信股份有限公司 一种通话中来电提醒的方法、系统以及业务平台
CN101815270B (zh) * 2010-03-05 2014-04-09 中兴通讯股份有限公司 呼叫的处理方法和装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252201A (zh) * 1997-04-14 2000-05-03 诺基亚网络有限公司 呼叫建立过程中的呼叫等待
US6735295B1 (en) * 2000-06-27 2004-05-11 Nortel Networks Limited Call waiting messaging
US6778655B1 (en) * 2000-11-21 2004-08-17 Agere Systems Inc. Call waiting caller identifier
KR20050003859A (ko) * 2003-07-04 2005-01-12 에스케이 텔레콤주식회사 이동 통신망에서의 가입자 지정에 따른 통화중 대기서비스방법

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2148023C (fr) * 1994-07-01 1999-01-19 Jerry Eisdorfer Dispositif intelligent de mise en attente des appels
US6404858B1 (en) * 1997-03-28 2002-06-11 Verizon Services Corp. Personal dial tone service with personalized call waiting

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1252201A (zh) * 1997-04-14 2000-05-03 诺基亚网络有限公司 呼叫建立过程中的呼叫等待
US6735295B1 (en) * 2000-06-27 2004-05-11 Nortel Networks Limited Call waiting messaging
US6778655B1 (en) * 2000-11-21 2004-08-17 Agere Systems Inc. Call waiting caller identifier
KR20050003859A (ko) * 2003-07-04 2005-01-12 에스케이 텔레콤주식회사 이동 통신망에서의 가입자 지정에 따른 통화중 대기서비스방법

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CN1870696B (zh) 2010-05-05

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