WO2009003384A1 - A method and system for providing ring back tone in a communication network - Google Patents

A method and system for providing ring back tone in a communication network Download PDF

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Publication number
WO2009003384A1
WO2009003384A1 PCT/CN2008/071198 CN2008071198W WO2009003384A1 WO 2009003384 A1 WO2009003384 A1 WO 2009003384A1 CN 2008071198 W CN2008071198 W CN 2008071198W WO 2009003384 A1 WO2009003384 A1 WO 2009003384A1
Authority
WO
WIPO (PCT)
Prior art keywords
interactive
ring back
back tone
tone service
user
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2008/071198
Other languages
English (en)
French (fr)
Inventor
Yongfu Yan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to ES08757609.6T priority Critical patent/ES2439253T3/es
Priority to EP08757609.6A priority patent/EP2073520B1/en
Publication of WO2009003384A1 publication Critical patent/WO2009003384A1/zh
Priority to US12/425,011 priority patent/US8442211B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • H04M3/42017—Customized ring-back tones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/02—Calling substations, e.g. by ringing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M2201/00—Electronic components, circuits, software, systems or apparatus used in telephone systems
    • H04M2201/14—Delay circuits; Timers
    • 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
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42034—Calling party identification service
    • H04M3/42042—Notifying the called party of information on the calling party
    • H04M3/42051—Notifying the called party of information on the calling party where the notification is included in the ringing tone
    • 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
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42034—Calling party identification service
    • H04M3/42059—Making use of the calling party identifier
    • 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
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42085—Called party identification service
    • H04M3/42102—Making use of the called party identifier
    • 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
    • H04M3/42025—Calling or Called party identification service
    • H04M3/42085—Called party identification service
    • H04M3/42102—Making use of the called party identifier
    • H04M3/4211—Making use of the called party identifier where the identifier is used to access a profile

Definitions

  • the present invention relates to the field of communications, and in particular, to a method and system for providing ringback tones in a communication network.
  • the personalized ring back tone service is generally customized by the calling or called user, and provides the user with a pleasant music, or a greeting, or a piece of prompt voice recorded by the customizer to replace the normal ring back tone service.
  • the existing personalized ring back tone service has a unidirectional nature. For example, in the called ring back tone service, the calling party hears the personalized ring tone customized by the called party, and the called party hears that the called party is sent by the phone terminal. Ringing tone.
  • the embodiment of the present invention provides a method and system for providing a ring back tone in a communication network.
  • An embodiment of the present invention provides a method for providing a ring back tone in a communication network, including:
  • the first subscription identifier that identifies the user's subscription to the ringback tone service is sent to the called terminal, where the first subscription identifier is used to indicate that the called terminal is waiting to play the interactive ringback tone;
  • the interactive ringback tone service subscription information signed by the user is an interactive ringback tone played by the called user.
  • An embodiment of the present invention provides a system for providing a ring back tone in a communication network, including:
  • the switching device is configured to send a first subscription identifier to the called terminal when the called terminal status is idle, where the first subscription identifier is used to indicate that the called terminal is waiting to play an interactive ringback tone, and the connected terminal is connected and interacted with
  • the voice channel between the ring back tone service platforms indicates that the interactive ring back tone service platform plays the interactive ring back tone for the called terminal; wherein the interactive ring back tone service platform is used for signing the interactive ring back tone service signed by the user.
  • the approximate message is an interactive ringback tone played by the called user.
  • the embodiment of the invention further provides a switching device, including:
  • the interactive ring back tone subscription information obtaining unit is configured to obtain the subscription information of the interactive ring back tone service signed by the user;
  • the first ring sign is used to indicate that the called terminal is waiting to play the interactive ringback tone, and the first ring sign is used to indicate that the called terminal is waiting to play the interactive ringback tone.
  • the interactive ring back tone service triggering unit is configured to route the interactive ring back tone service subscription information to the interactive ring back tone service platform to trigger the interactive ring back tone service.
  • the embodiment of the invention further provides an interactive ring back tone service platform, including:
  • a storage unit configured to store service information of an interactive ring back tone
  • the receiving unit is configured to receive the interactive ring back tone service subscription information sent by the switching device, and the playing unit is configured to play the interactive ring back tone for the user according to the interactive ring back tone service subscription information and the service information.
  • the embodiment of the invention further provides a terminal, including:
  • a receiving unit configured to receive a first subscription identifier that identifies a user to subscribe to an interactive ringback tone service, where the first subscription identifier is used to indicate that the called terminal is waiting to play an interactive ringback tone;
  • a shielding unit configured to mask a ringing tone of the first subscription identifier according to the first subscription identifier.
  • the above embodiment of the present invention realizes that the personalized ring back tone resource is fully utilized, and the caller can play the personalized ring back tone while also playing the interactive ring back tone, and the interactive ring back tone is set according to the called party. Determine the ringback tone played and enhance the user experience.
  • FIG. 1 is a schematic flow chart of an embodiment of a method according to the present invention.
  • Embodiment 1 of the system of the present invention
  • FIG. 3 is a schematic structural diagram of a network structure of an embodiment of a fixed network system according to the present invention.
  • FIG. 4 is a schematic diagram of a signaling flow of Embodiment 1 of a method for applying a fixed network according to the present invention
  • FIG. 5 is a schematic diagram of a signaling flow of Embodiment 2 of a method for applying a fixed network according to the present invention
  • Schematic diagram of the signaling flow of the example
  • FIG. 7 is a schematic structural diagram of a switching device according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of an interactive ring back tone service platform according to an embodiment of the present invention
  • FIG. 7 is a schematic structural diagram of a switching device according to an embodiment of the present invention
  • FIG. 8 is a schematic structural diagram of an interactive ring back tone service platform according to an embodiment of the present invention
  • FIG. 9 is a schematic structural diagram of a terminal for implementing an interactive ring back tone service according to an embodiment of the present invention.
  • the called user After the calling user calls the called user, the called user hears the ringing tone sent by the called terminal. After the calling user or the called user customizes the interactive ring back tone service, The called user can hear the personalized ring back tone customized by the calling user or the called user.
  • the method for implementing the interactive ring back tone service provided by the embodiment of the present invention is as shown in FIG. 1 , and includes the following steps:
  • S101 Acquire an interactive ringback tone service subscription information that is subscribed by the user in the process of the connection call;
  • S103 Play an interactive ringback tone for the called user according to the subscription information of the interactive ring back tone service subscribed by the user.
  • the system in FIG. 2 includes: a first switching device 100, a second switching device 200, an interactive ring back tone service platform 300, and a calling terminal 10 and a called terminal 20.
  • the specific process of implementing the interactive ringback tone service may be: the first switching device 100 receives the call request initiated by the calling party to the called party, and the first switching device 100 acquires the interactive ring back tone service subscription information of the user, and the first switching device The device sends a call request to the second switching device 200, and sends a second subscription identifier to the second switching device 200 according to the interactive ringback tone service subscription information, where the second subscription identifier is used to identify the user to sign the interactive ringback tone.
  • the second switching device 200 sends a first subscription identifier identifying the user's subscription interactive ringback tone service to the called terminal 20, where the first subscription identifier is used to indicate the called terminal.
  • the first switching device 100 sends a second subscription identifier to the interactive ringback tone service platform 300 according to the called idle message returned by the second switching device 200, and connects the voice channel between the calling terminal 10 and the interactive ring back tone service platform 300. Indicating interactive ring back tone service platform 300
  • the terminal 10 is called to play an interactive ring back tone.
  • the second switching device 200 connects the voice channel between the called terminal and the interactive ring back tone service platform, and instructs the interactive ring back tone service platform 300 to play the interactive ring back tone for the called terminal 20.
  • the second subscription identifier sent by the first switching device 100 to the second switching device 200 carries the extended information parameter, that is, the redirection information parameter mentioned later, for identifying the triggering interactive ring back tone service. Indicates that the called terminal 20 shields its own ringing tone.
  • the obtained interactive ringback tone service subscription information may be sent by the first switching device 100 to the interactive ringback tone service platform 300, and the interactive ringback tone service platform 300 delivers the message to the second switching device 200.
  • the second signing identifier connects the called terminal voice channel through the interactive ring back tone service platform 300, and plays an interactive ring back tone for the called party.
  • the specific process is: the first switching device 100 acquires the interactive ringback tone service subscription information of the user, and routes the interactive ringback tone service subscription information to the interactive ringback tone service platform.
  • the interactive ring back tone service platform 300 sends a second subscription identifier to the second switching device 200 according to the interactive ring back tone service subscription information.
  • the second switching device 200 sends a first subscription identifier that identifies the user's subscription to the ringback tone service to the called terminal 20.
  • the first subscription identifier is used to indicate that the called terminal 20 is waiting. Play interactive ringback tone.
  • the interactive ring back tone service platform 300 turns on the session with the called terminal 20 according to the called idle message returned by the second switching device 200, and plays an interactive ring back tone for the called terminal 20.
  • a Home Location Register (HLR) 400 may also be included.
  • the first switching device 100 is configured to receive a call request, and obtain the subscription information of the user from the home location register, and when determining, according to the subscription information of the user, that the calling user or the called user subscribes to the interactive ring back tone service,
  • the second switching device 200 sends a call request message, where the call request message carries an identifier that triggers an interactive ring back tone service, that is, a second subscription identifier, requesting to establish a call path of the calling party and the called party, and when the second switching device 200 returns the called party idle
  • the interactive ringback tone service platform 300 is sent with a triggering interactive ringback tone service identifier, and the service identifier may include an access code of the interactive ringback tone service, and the interactive ringback tone service platform 300 plays the interaction with the called user.
  • Ringback tone, interactive ringback tone can be set by the user.
  • the embodiment of the present invention is applicable to the case where the calling user or the called user subscribes to the interactive ring back tone service, and the same applies to the case where the calling user and the called user both sign the interactive ring back tone service.
  • the priority set by the user determines the ring back tone played to the called user.
  • the personalized ring back tone resource can be fully utilized to play the interactive ring back tone for the called party, and the interactive ring back tone is determined to be the played back ringing tone according to the called setting, and the called user can be based on different calling numbers. Different interactive ringback tones are set, and the called user can determine the calling user according to different interactive ringback tones.
  • the interactive ringback tone can also be set by the calling user.
  • the interactive ring back tone played by the called user may be determined according to the priority information set by the called user.
  • the invention shown in FIG. 3 is applied to the networking diagram of the first embodiment of the fixed network system, and the system includes: a calling end office, a called end office, a tandem office or a service switching point SSP (TM/SSP, Tandem switch) /Service Switching Point), which is the switching device 1 and switching device 2 in the figure, the Smart Home Location Register (SHLR), and the Service Control Point (SCP).
  • SSP Service switching point
  • SHLR Smart Home Location Register
  • SCP Service Control Point
  • AIP Enhanced Intelligent Setting
  • AIP Advanced Intelligent Peripheral
  • SHLR is used to store user subscription information and implement ringback tone service logic.
  • AIP can call the switching device to play ringback tone for the user.
  • the interactive ring back tone service platform may be an AIP or a Ring Back Tone Platform (RBT Platform), and the calling end office and the called end office may be used to connect the call, and when determining the main
  • the session between the AIP and the called user is established, and the interactive ring back tone is played.
  • the ringback tone can also be played by the AIP to connect the voice channel between the calling party and the called party, and after the called party answers, stop playing the ring back tone, and connect the calling party and the called party voice channel to realize the main being Call the call.
  • the embodiments of the present invention can be applied to various networks, such as Public Switched Telephone Network (PSTN), Personal Handphone System (PHS), and Public Land Mobile Network (PLMN).
  • PSTN Public Switched Telephone Network
  • PLMN Public Land Mobile Network
  • NTN Next Generation Network
  • 3G Third Generation Mobile Telecommunication
  • the present invention is applied to the signaling flow diagram of the first embodiment of the fixed network method, and the present invention is implemented as a process for the called user to play an interactive ring back tone.
  • the called user is a user who has customized the ring back tone service, and the called user also customizes the interactive ring back tone service.
  • the call connection process is:
  • the calling user calls the called user, and the calling end office sends an IAM (Initial Address Message) to connect the call to the tandem office.
  • the gateway queries the integrated intelligent home location register for service information, such as querying the called user information. If the called user subscribes to the ring back tone service, the integrated intelligent home location register returns the ring back tone service access code 1 to the gateway. If the called user also subscribes to the interactive ring back tone service, the integrated smart home location register also returns an interactive ring back tone service access code 2 to the gateway.
  • the gateway determines that the called user is an interactive ringback tone service subscription user according to the received information, and then expands the parameters in the IAM message to send the extended IAM message to the called end office, and the called end office supports the called user to receive the received message.
  • the personalized ring back tone played by the interactive ring back tone service platform replaces the ringing tone.
  • the manner of extending the IAM message may be various.
  • a method may identify the triggering of the ring back tone service by modifying the redirection information parameter field Redirection information in the IAM message.
  • Redirection information parameter field Redirection information is shown in Table 1:
  • whether the interactive ringback tone service is triggered may be determined by defining the bit D in the parameter field Redirection information. For example, when the bit D value is 0, it means that the interactive ring back tone service is not triggered, and the ringing tone is played for the called user; when the bit D value is 1, it indicates that the interactive ring back tone service is triggered, and the called user is played the personality. The ring back tone is replaced by the ringing tone.
  • the gateway exchanges the retransmission parameters according to the interactive ringback tone service signed by the called user, and the gateway sends an IAM message to the called end office to extend the parameters of the redirection information, requesting the called end office to establish the current call path.
  • the change information parameter can be used to identify the triggered interactive ring back tone service.
  • the called end office After receiving the IAM message sent by the gateway, the called end office determines that the interactive ringback tone service is triggered in the redirection information parameter carried in the message according to the IAM message.
  • the called end office addresses the called user. When the called user is busy, the called end office returns an ACM message to the gateway and identifies the called party busy. If the called party is idle, the called end office and the called party are connected.
  • the user's voice message is sent to the called user, and the subscription identifier, which is the second subscription identifier, is used to indicate that the called terminal shields its own ringing tone and waits for the playback of the interactive ringback tone.
  • the successor returns an ACM message and identifies the called party to be idle.
  • the called end office determines that the called user does not subscribe to the interactive ring back tone service, it processes according to the normal processing procedure, instructs the called party to ring and returns an ACM message to the gateway and identifies the called idle or met.
  • the gateway will transparently transmit the ring back tone played by the called end office to the calling user; if the called party is idle, the interactive ring back tone service platform
  • the IAM message is sent twice.
  • the first IAM message carries the called ringback tone service access code 1
  • the second IAM message carries the interactive ringback tone service access code 2, respectively triggering the ringback tone service to play back the caller.
  • the ring tone and interactive ring back tone service play the ring back tone for the called party.
  • the interactive ring back tone service platform receives the call request of the gateway, and determines that the called ring back tone service and the interactive ring back tone service need to be triggered according to the access code 1 and the access code 2, and then according to the calling number or according to the main Call the number and the called number, or determine the ring back tone to be played according to the calling number and the called number and the current time, and return the ACM message to the gateway.
  • the gateway exchanges the voice path with the calling user and the called user respectively to realize the ring back tone playback.
  • the interactive ring back tone service platform plays the ring back tone and the called party through the two channels respectively.
  • the ring back tone of the interactive ring back tone service is played, and the interactive ring back tone service for the called party may be determined according to the setting of the called user, and may be the same as or different from the ring back tone played by the calling party.
  • the tandem office After the tandem office detects that the called user picks up the phone, the tandem office initiates two REL (Release, Release) messages to the interactive ring back tone service platform, requesting the interactive ring back tone service platform to stop to the calling user and the called user.
  • REL Release, Release
  • the gateway receives the RLC (Release Complete) message replied by the interactive ringback tone service platform, the gateway connects the caller and the called party, and the master and the called call are normally called.
  • the called interactive ring back tone service user can also implement the ring back tone of the calling party customization, or the called user can flexibly set the interactive ring back tone. Tone playback, such as setting different ringback tones for different calling users.
  • the calling user can also customize the interactive ring back tone service for the called user. For example, the calling user can customize the personalized ring back tone to indicate the identity of the calling user, and prompt the called user to answer the call. When the calling user calls the called party, the ringing tone can be played for the called user.
  • FIG. 5 is a signaling flowchart of Embodiment 2 of the method for applying the fixed network according to the present invention.
  • the implementation manner of the method embodiment is also described by taking the called sign-on interactive ring-back tone service as an example.
  • the main called party's voice channel is connected through the interactive ring back tone service platform, and the ring back tone is played.
  • the calling terminal user calls the called terminal user, and the calling end office sends an IAM message to connect the call to the tandem office;
  • the gateway queries the integrated intelligent home location register for service information, for example, queries the called user information. If the called party subscribes to the ring back tone service, the integrated intelligent home location register returns the ring back tone service access code to the gateway. According to the received service information, the tandem office determines that the called user has opened the ring back tone service, inserts the ring back tone service access code as a prefix before the called number, and routes the call to the interactive ring back tone service platform.
  • the interactive ringback tone service platform After receiving the call, the interactive ringback tone service platform determines that the called user has activated the interactive ringback tone service, and then initiates a call to the called user by sending an IAM message to the called end office, where the parameters in the IAM message need to be extended, In order to indicate that the current call needs to establish a voice channel, the extended IAM message is used to support the called user to receive the personalized ring back tone instead of the ringing tone played by the interactive ring back tone service platform.
  • the manner of extending the IAM message can be implemented by modifying the redirection information parameter field Redirection information in the message, which is not described here.
  • the called end office After receiving the call request of the interactive ringback tone service platform, the called end office determines whether the call request carries the second subscription identifier.
  • the called end office processes according to the normal processing flow. Instructing the called party to ring and returning the ACM message to the interactive ringback tone service platform and identifying the called party idle.
  • the interactive ringback tone service platform returns the ACM message to the calling end office, and connects the interactive ring back tone service platform to the master. Calling the end office's voice channel, starting to play the ringback tone to the calling user; if the called party is busy, returning the ACM message to the calling end office and identifying the status of the called party being busy. If the called call received by the called end office carries the second subscription identifier, it indicates that the interactive ringback tone service needs to be triggered.
  • the called end office determines the status of the called user, and if the called user is busy, The calling end office returns the ACM message and identifies the called busy. If the called user is idle, the called end office is connected to the called user's voice channel, and the called user is instructed to wait for the interactive ring back tone to be played, and the interactive ringback tone is generated.
  • the voice service platform returns an ACM message and identifies that the called party is idle;
  • the interactive ringback tone service platform After receiving the ACM message indicating that the called party is idle, the interactive ringback tone service platform returns an ACM message to the calling end office, and respectively connects the interactive ring back tone service platform to the calling end office and the called party.
  • the two channels of the end office play the same or different ring back tone to the calling user and the called user through the voice channel.
  • the called end office sends an ANM (Answer Message) to the interactive ring back tone service platform, and the interactive ring back tone service platform stops playing, and connects the calling and called voice channels.
  • ANM Answer Message
  • the call of the personalized ring back tone and the interactive ring back tone are all called out by the ring back tone platform.
  • the process of triggering the personalized ring back tone service can also be implemented by using the original solution.
  • the SSP is responsible for the bridge of the voice channel, but this requires that the CRBT service be separated from the interactive ring tones when SHLR is contracted.
  • the SSP to SHLR queries the service subscription information. If the called party subscribes to the CRBT service, it will process according to the original no-call routing scheme. If the called party subscribes to the interactive CRBT service, the call is transferred to the CRBT platform, and the CRBT platform is responsible for processing.
  • FIG. 6 is a schematic flowchart of a method for implementing an interactive ring back tone service in a mobile network. Similarly, it is assumed that the called user customizes the interactive ring back tone service, and the process of implementing the interactive ring back tone service in the mobile network is illustrated with reference to FIG. 6 .
  • the calling user calls the called user, and the Mobile Switching Center (MSC) sends an SRI (Send Routing Info) message to the home location register to obtain the called user's signing letter.
  • the HLR obtains the user subscription information from the Visited Location Register (VLR), and connects the call to the visited mobile switching center (VMSC/VHLR, Visited MSC/ Visited HLR);
  • the VLR identifies, by the TICK, whether the called user activates the ring back tone service and whether to activate the interactive ring back tone service;
  • the MSC initiates a corresponding interactive ringback tone service processing process according to the TICK identifier carried in the user subscription information returned by the HLR.
  • the MSC calls the VMSC using the standard IAM message. If the user activates the ring back tone service and activates the interactive ring back tone service, the MSC uses the extension.
  • the IAM message calls the VMSC;
  • the VMSC receives a call request from the MSC to determine whether it is a standard IAM message or an extended IAM message. If it is a standard IAM message, then the VMSC uses the standard paging message PAGING to locate the called party; if it is an extended IAM message, then the VMSC uses the extended PAGING message to page the called party;
  • the called user receives a paging request from the VMSC to determine whether it is a standard PAGING message or an extended PAGING message. If it is a standard PAGING message, the called user rings normally and returns the ringing message ALERTING to the VMSC; if it is an extended PAGING message, the PAGING message extension triggers the interactive ring back tone service by extending the content identifier of the TMSI field therein. Then, the called terminal does not ring or block the ringing, waits for the interactive ring back tone service platform to play the personalized ring back tone, and also returns an ALERTING message to the VMSC.
  • the VCM sends an ACM message to the MSC.
  • the VMSC does not play the ringback tone of the Global System for Mobile Communications (GSM) standard, and the VMSC sends the standard first initial address to the interactive ringback tone service platform.
  • the message IAM1 plays the ring back tone to the calling party. If the called user also activates the interactive ring back tone service, the VMSC sends a second initial address message IAM2 to the interactive ring back tone service platform to play the interactive ring back tone.
  • the called number parameter is in the form of "Prefix + called MSISDN", where Prefix is configurable;
  • the interactive ring back tone service platform After receiving the IAM message of the VMSC, the interactive ring back tone service platform sends back an ACM message to the VMSC, and the interactive ring back tone service platform plays a customized ring back tone to the calling user according to the called number and the calling number, to the called user. Play a customized interactive ringback tone.
  • the ring back tone played by the interactive ring back tone service platform to the calling party and the called party may be the same or different according to the user setting.
  • the VMSC After detecting the called response, the VMSC removes the voice connection between the interactive ringback tone service platform, and the VMSC sends a response message to the MSC to connect the calling and called voice channels, and the calling and called users are in normal conversation.
  • the calling user can also customize the interactive ring back tone for the called user.
  • the implementation process is basically the same as above, and will not be described here.
  • FIG. 7 is a schematic diagram of a structure of a switching device for implementing an interactive ring back tone service according to an embodiment of the present invention.
  • the switching device includes: an interactive ring back tone subscription information acquiring unit 101, configured to acquire an interactive ring back tone service subscription information subscribed by a user.
  • the interactive ringback tone signing and sending unit 103 is configured to send a second signing identifier to the called terminal, where the second signing identifier is used to indicate that the called terminal is waiting to play an interactive ringback tone;
  • the unit 104 is configured to route the interactive ring back tone service subscription information to the interactive ring back tone service platform to trigger the interactive ring back tone service.
  • the switching device may further include a storage unit 102 and a voice connection unit 105.
  • the storage unit 102 is configured to store the user's subscribed interactive ringback tone service information
  • the voice channel connection unit 105 is configured to connect the interactive ringback tone service platform and the terminal.
  • the communication voice channel realizes the interactive ring back tone service platform to play interactive ring back tone for the user.
  • the interactive ring back tone service platform includes: a receiving unit 302, a storage unit 301, a sending unit 303, and a playing unit 304.
  • the storage unit 301 is configured to store service information for customizing the interactive ring back tone service;
  • the receiving unit 302 is configured to receive the interactive ring back tone service subscription information sent by the switching device;
  • the playing unit 304 is configured to use the calling and/or the
  • the customized interactive ring back tone service subscription information and the service information stored by the storage unit 301 are used for the user to play the interactive ring back tone;
  • the sending unit 303 is configured to send the second subscription identifier to the switching device, indicating that the called terminal is blocked. Its own ringing tone.
  • the second subscription identifier is used to identify a user subscription to an interactive ringback tone service.
  • the interactive ring back tone service platform may further include a voice channel connection unit 305, configured to establish a voice channel with the terminal, and implement an interactive ring back tone service platform to play an interactive ring back tone for the user.
  • the session connection unit 305 connects the session with the called terminal through the switching device.
  • the sending unit 303 sends the second subscription identifier to the second switching device, calls the called terminal through the second switching device, and determines the status of the called party according to the message returned by the called terminal, if the called party is busy. , the busy tone is transmitted to the calling party, and if the called party is idle, the interactive ring tone service is triggered.
  • the voice connection unit 305 can also cut off the voice channel of the interactive ring back tone service platform, the calling terminal and the called terminal after the called user picks up the phone, and connect the calling and called channels to make the calling party and the called party call normally. .
  • the voice connection unit 305 can initiate a call to the switching device according to different outbound protocols, such as TUP (Telephone User Part) protocol, ISUP (International Services Digital Network User Part) protocol, INAP (Intelligent Network) Application Protocol, Protocol Application Protocol, MAP (Mobile Application Part) protocol, CAP (CAMEL Application Part, CAMEL Application Part) protocol, and SIP (Session Initiation Protocol).
  • FIG. 9 A schematic diagram of a terminal structure for implementing an interactive ring back tone service according to an embodiment of the present invention is shown in FIG. 9 , and includes a receiving unit 110, configured to receive a first subscription identifier that identifies a user to subscribe to an interactive ring back tone service, where the first The subscription identifier is used to indicate that the called terminal is waiting to play the interactive ringback tone; and the shielding unit 120 is configured to mask the ringing tone of the first subscription identifier according to the first subscription identifier.
  • the method and system provided by the embodiments of the present invention realize that the personalized ring back tone resource is fully utilized, and the personalized ring back tone can be played to the calling party or the interactive ring back tone can be played to the called party; and the interactive ring back tone is based on The called party determines the ring back tone to be played, and the called user determines the calling user according to the currently played ring back tone, which enhances the user experience.

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Description

一种通信网络中提供回铃音的方法和系统
本申请要求于 2007 年 6 月 30 日提交中国专利局、 申请号为 200710076309.9、 发明名称为"一种实现互动回铃音的方法和系统"的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信领域， 特别涉及一种通信网络中提供回铃音的方法和系 统。
背景技术
个性化回铃音业务一般是由主叫或被叫用户定制，为用户提供一段悦耳的 音乐、或一句问候语、或一段定制者自行录制合成的一段提示语音来替代普通 回铃音的业务。 现有个性化回铃音业务具有单向性， 例如， 在被叫回铃音业务 中， 主叫方听到被叫定制的个性化铃音， 而被叫方听到是由话机终端发出的振 铃音。
本发明人在研究时发现， 虽然被叫用户可以通过来电显示获知主叫方号 码， 但不能通过铃音判断主叫方用户身份， 不利于用户体验。
发明内容
为了实现被叫用户收听个性化回铃音以替代原有的振铃音，本发明实施例 提供一种通信网络中提供回铃音的方法和系统。
本发明实施例提供一种通信网络中提供回铃音的方法， 包括：
在接续呼叫过程中， 获取用户签约的互动回铃音业务签约信息；
当被叫终端状态为空闲时，向被叫终端下发标识用户签约互动回铃音业务 的第一签约标识， 所述第一签约标识用于指示被叫终端等待播放互动回铃音； 根据所述用户签约的互动回铃音业务签约信息为被叫用户播放互动回铃 音。
本发明实施例提供一种通信网络中提供回铃音的系统， 包括：
交换设备，用于当被叫终端状态为空闲时，向被叫终端下发第一签约标识， 所述第一签约标识用于指示被叫终端等待播放互动回铃音，连接被叫终端与互 动回铃音业务平台间的话路，指示互动回铃音业务平台为被叫终端播放互动回 铃音； 其中， 所述互动回铃音业务平台用于根据用户签约的互动回铃音业务签 约信息为被叫用户播放互动回铃音。
本发明实施例还提供一种交换设备， 包括：
互动回铃音签约信息获取单元，用于获取用户签约的互动回铃音业务签约 信息；
互动回铃音签约标识下发单元，用于向被叫终端下发标识用户签约互动回 铃音业务的第一签约标识，所述第一签约标识用于指示被叫终端等待播放互动 回铃音；
互动回铃音业务触发单元，用于将互动回铃音业务签约信息路由到互动回 铃音业务平台， 以触发互动回铃音业务。
本发明实施例还提供一种互动回铃音业务平台， 包括：
存储单元， 用于存储互动回铃音的业务信息；
接收单元， 用于接收交换设备发送的互动回铃音业务签约信息； 播放单元，用于根据所述互动回铃音业务签约信息及所述业务信息为用户 播放互动回铃音。
本发明实施例还提供一种终端， 包括：
接收单元， 用于接收标识用户签约互动回铃音业务的第一签约标识， 所述 第一签约标识用于指示被叫终端等待播放互动回铃音；
屏蔽单元， 用于根据所述第一签约标识屏蔽自身的振铃音。
通过本发明上述实施例实现了充分利用个性化回铃音资源，可以给主叫播 放个性化回铃音的同时也可以给被叫播放互动回铃音，而且互动回铃音为根据 被叫设置确定播放的回铃音， 增强用户体验。
附图说明
图 1为本发明方法实施例的流程示意图；
图 2本发明系统实施例一的组网结构示意图；
图 3为本发明应用于固定网络系统实施例组网结构示意图；
图 4为本发明应用于固定网络的方法实施例一的信令流程示意图； 图 5为本发明应用于固定网络方法实施例二的信令流程示意图； 图 6为本发明应用于移动网络方法实施例的信令流程示意图；
图 7为本发明实施例交换设备的结构示意图； 图 8为本发明实施例互动回铃音业务平台的结构示意图；
图 9为本发明实施例实现互动回铃音业务的终端的结构示意图。
具体实施方式
为了使得本发明实施例的技术方案以及优点更加清楚，下面将结合附图对 本发明实施例技术方案的具体实施过程及其对应能够达到的有益效果进行详 细说明。
通常主叫用户呼叫被叫用户后， 被叫用户听到的是被叫终端发出的振铃 音，通过本发明实施例可以实现当主叫用户或被叫用户定制了互动回铃音业务 后， 被叫用户则可以听到主叫用户或被叫用户定制的个性化回铃音。
本发明实施例提供的实现互动回铃音业务的方法流程如图 1所示，包括步 骤：
S101 : 在接续呼叫过程中， 获取用户签约的互动回铃音业务签约信息； S102: 当被叫终端状态为空闲时， 向被叫终端下发标识用户签约互动回铃 音业务的第一签约标识，所述第一签约标识用于指示被叫终端等待播放互动回 铃音；
S103: 根据用户签约的互动回铃音业务签约信息为被叫用户播放互动回 铃音。
下面将结合图 2所示的系统实施例， 进一步详细描述上述方法实施例。 图 2中的系统包括： 第一交换设备 100、 第二交换设备 200、 互动回铃音 业务平台 300、 以及主叫终端 10、 被叫终端 20。 具体的实现互动回铃音业务 的过程可为： 第一交换设备 100接收到主叫向被叫发起的呼叫请求， 第一交换 设备 100获取用户的互动回铃音业务签约信息，第一交换设备 100向第二交换 设备 200发送呼叫请求，并根据所述互动回铃音业务签约信息向第二交换设备 200 下发第二签约标识， 所述第二签约标识用于标识用户签约互动回铃音业 务； 当被叫终端 20状态为空闲时， 第二交换设备 200向被叫终端 20下发标识 用户签约互动回铃音业务的第一签约标识，所述第一签约标识用于指示被叫终 端 20等待播放互动回铃音。 第一交换设备 100根据第二交换设备 200返回的 被叫空闲消息， 向互动回铃音业务平台 300下发第二签约标识， 连接主叫终端 10与互动回铃音业务平台 300间的话路， 指示互动回铃音业务平台 300为主 叫终端 10播放互动回铃音。 第二交换设备 200连接被叫终端与互动回铃音业 务平台间的话路， 指示互动回铃音业务平台 300为被叫终端 20播放互动回铃 音。
在该实施例中，第一交换设备 100向第二交换设备 200发送的第二签约标 识中携带了扩展的信息参数， 即后面提到的改发信息参数， 用于标识触发互动 回铃音业务， 指示被叫终端 20屏蔽自身的振铃音。
在该实施例中，还可以由第一交换设备 100将获取的互动回铃音业务签约 信息发送给互动回铃音业务平台 300, 互动回铃音业务平台 300向第二交换设 备 200下发第二签约标识， 通过互动回铃音业务平台 300连接被叫终端话路， 为被叫播放互动回铃音。 具体过程为： 第一交换设备 100获取用户的互动回铃 音业务签约信息，将所述互动回铃音业务签约信息路由到互动回铃音业务平台
300; 互动回铃音业务平台 300根据所述互动回铃音业务签约信息向第二交换 设备 200下发第二签约标识。当被叫终端 20状态为空闲时，第二交换设备 200 向被叫终端 20下发标识用户签约互动回铃音业务的第一签约标识， 所述第一 签约标识用于指示被叫终端 20等待播放互动回铃音。互动回铃音业务平台 300 根据第二交换设备 200返回的被叫空闲消息， 接通与被叫终端 20的话路， 为 被叫终端 20播放互动回铃音。
在该系统实施例中， 还可以包括归属位置寄存器 （HLR, Home Location Register)400。 其中， 第一交换设备 100 用于接收呼叫请求， 并向所述归属位 置寄存器获取用户的签约信息，当根据用户的签约信息确定主叫用户或者被叫 用户签约了互动回铃音业务时， 向第二交换设备 200发送呼叫请求消息， 所述 呼叫请求消息中携带触发互动回铃音业务的标识， 即第二签约标识，请求建立 主被叫的话路， 当第二交换设备 200返回被叫空闲的消息时， 向互动回铃音业 务平台 300发送携带触发互动回铃音业务标识，该业务标识可以包括互动回铃 音业务的接入码， 互动回铃音业务平台 300向被叫用户播放互动回铃音， 互动 回铃音可以由用户设置。
本发明实施例适用于主叫用户或被叫用户签约互动回铃音业务的情形，同 样适用于主叫用户与被叫用户都签约了互动回铃音业务的情形， 在此情形中， 可以根据用户设置的优先级来确定向被叫用户播放的回铃音。 通过该实施例可以充分利用个性化回铃音资源， 为被叫播放互动回铃音， 而且互动回铃音为根据被叫设置确定播放的回铃音，被叫用户可以根据不同的 主叫号码设置不同的互动回铃音，被叫用户可以根据不同的互动回铃音确定主 叫用户，互动回铃音也可以由主叫用户设定，如可以是体现个性化信息的铃音， 通知被叫用户主叫用户的个性化信息。 当主、 被叫都定制了互动回铃音业务， 则可以根据被叫用户设定的优先级信息确定为被叫用户播放的互动回铃音。
如图 3所示的本发明应用于固定网络系统实施例一的组网示意图，该系统 包括： 主叫端局、 被叫端局、 汇接局或业务交换点 SSP (TM/SSP , Tandem switch/Service Switching Point) , 即图中的交换设备 1和交换设备 2、 综合智能 归属位置寄存器 (SHLR, Smart Home Location Register), 业务控制点（SCP, Service Control Point). 增强智能夕卜设 (AIP, Advanced Intelligent Peripheral), 其 中， SHLR用于保存用户签约信息， 实现回铃音业务逻辑， AIP可以呼叫交换 设备， 为用户播放回铃音。
在该实施例中， 互动回铃音业务平台可以是 AIP 或回铃音平台（RBT Platform, Ring Back Tone Platform), 主叫端局和被叫端局可以用于接续呼叫， 并在当确定主叫用户或被叫用户签约了互动回铃音业务时，建立 AIP与被叫用 户之间的话路， 实现互动回铃音的播放。在该实施例中， 也可以由 AIP接续主 被叫之间的话路实现回铃音的播放， 并在被叫应答后， 停止播放回铃音， 连接 主被叫的通话话路， 实现主被叫通话。 本发明实施例可以应用于各种网络中， 如公用电话交换网 （PSTN, Public Switched Telephone Network ), 个人手持电 话系统（ PHS , Personal Handphone System )、公共陆地移动网络（ PLMN, Public Land Mobile Network )、 下一代网络（ NGN , Next Generation Network )、 第三 代移动通信网 （3G, The third Generation Mobile Telecommunication )等网络。
下面结合图 4 所示的本发明应用于固定网络方法实施例一的信令流程示 意图， 说明本发明实现为被叫用户播放互动回铃音的过程。
在该实施例中，被叫用户为定制了回铃音业务的用户， 并且被叫用户还定 制了互动回铃音业务。 如图 4所示， 呼叫接续过程为：
主叫用户呼叫被叫用户， 主叫端局发送 IAM ( Initial Address Message , 初 始地址消息）， 将呼叫接续到汇接局。 汇接局向综合智能归属位置寄存器查询业务信息， 比如查询被叫用户信 息， 若被叫用户签约了回铃音业务， 综合智能归属位置寄存器向汇接局返回回 铃音业务接入码 1 , 若被叫用户还签约了互动回铃音业务， 则综合智能归属位 置寄存器还向汇接局返回互动回铃音业务接入码 2。
汇接局根据接收到的信息确定被叫用户为互动回铃音业务签约用户，则扩 展 IAM消息中的参数， 将扩展的 IAM消息发送到被叫端局， 被叫端局支持被 叫用户接收互动回铃音业务平台播放的个性化回铃音替代振铃音。
在本实施例中， 扩展 IAM消息的方式可以多种。 例如， 一种方式可以通 过修改 IAM消息中的改发信息参数字段 Redirection information来标识触发互 动回铃音业务。 改发信息参数字段 Redirection information如表 1所示：
Figure imgf000008_0001
表 1 其中， 《中国国内 N0.7信令方式技术规范 ISDN用户部分 (ISUP)》中定义 的改发信息参数字段 Redirection information格式如下：
比特 CBA: 改发表示语
000 无改发
001 呼叫重新选路
010 呼叫重新选路， 所有的改发信息提供限制
011 呼叫变更
100 呼叫变更， 所有的改发信息提供限制
101 呼叫重新选路， 改发号码提供限制
110 呼叫变更， 改发号码提供限制
111 备用
比特 D: 备用
比特 HGFE: 原改发原因
0000 未知 /不可用 0001 用户忙
0010 无应答
在本实施例中，可以通过定义参数字段 Redirection information中的比特 D 来决定是否触发互动回铃音业务。 例如， 当比特 D值为 0时， 表示不触发互 动回铃音业务， 为被叫用户播放振铃音； 当比特 D值为 1 时， 表示触发互动 回铃音业务， 为被叫用户播放个性化回铃音代替振铃音。
汇接局根据被叫用户签约的互动回铃音业务扩展改发参数，汇接局向被叫 端局发送扩展携带改发信息参数的 IAM消息， 请求被叫端局建立当前呼叫的 话路， 所述改发信息参数可以用来标识触发互动回铃音业务。
被叫端局收到汇接局发送的 IAM消息后，根据该 IAM消息确定该消息中 携带的改发信息参数中标识了触发互动回铃音业务。 被叫端局寻址被叫用户， 当被叫用户忙时， 被叫端局向汇接局返回 ACM消息， 并标识被叫忙； 若被叫 空闲， 则接通被叫端局与被叫用户的话路， 向被叫用户下发携带标识用户签约 互动回铃音业务的签约标识， 即第二签约标识，指示被叫终端屏蔽自身的振铃 音并等待互动回铃音的播放， 向汇接局返回 ACM消息并标识被叫空闲。 在该 步骤中，如果被叫端局确定被叫用户没有签约互动回铃音业务， 则按照正常的 处理流程处理， 指示被叫振铃并向汇接局回复 ACM消息并标识被叫空闲或遇 汇接局根据被叫端局返回的被叫用户状态，如果被叫忙， 则透传被叫端局 播放的回铃音给主叫用户； 如果被叫空闲， 则向互动回铃音业务平台发送两次 IAM消息， 第一 IAM消息中携带被叫回铃音业务接入码 1 , 第二 IAM消息中 携带互动回铃音业务接入码 2, 分别触发回铃音业务为主叫播放回铃音和互动 回铃音业务为被叫播放回铃音。
互动回铃音业务平台收到汇接局的呼叫请求， 根据接入码 1 和接入码 2 判断需要触发被叫回铃音业务和互动回铃音业务， 然后根据主叫号码、或者根 据主叫号码和被叫号码、或者根据主叫号码和被叫号码及当前时间确定需要播 放的回铃音， 并向汇接局返回 ACM消息。
汇接局分别桥接与主叫用户和被叫用户的话路， 实现回铃音播放。
互动回铃音业务平台分别通过两条话路为主叫用户播放回铃音和被叫播 放互动回铃音业务的回铃音，为被叫播放互动回铃音业务可以根据被叫用户的 设置而定， 可以与为主叫播放的回铃音相同也可以不同。
当汇接局检测到被叫用户摘机后，汇接局向互动回铃音业务平台发起两次 REL ( Release, 释放）消息， 请求互动回铃音业务平台停止给主叫用户和被叫 用户播放回铃音， 汇接局收到互动回铃音业务平台回复的 RLC ( Release Complete, 释放完成）消息后， 汇接局接通主叫和被叫的话路， 主被叫正常通 话。
在上述实施例中， 如果主叫用户为回铃音业务用户， 则被叫互动回铃音业 务用户也可以实现收听主叫定制的回铃音， 或者，被叫用户可以灵活的设置互 动回铃音的播放， 如对应不同的主叫用户设置不同的回铃音。在本发明实施例 中，还可以由主叫用户为被叫用户定制互动回铃音业务， 如主叫用户可以定制 个性化回铃音中表明主叫用户的身份，提示被叫用户接听， 当主叫用户呼叫被 叫时， 可以实现为该被叫用户播放回铃音。
图 5为本发明应用于固定网络方法实施例二的信令流程图，同样以被叫签 约互动回铃音业务为例说明该方法实施例的实现方式。在此实施例中，通过互 动回铃音业务平台连接主被叫的话路， 实现回铃音的播放。
主叫终端用户呼叫被叫终端用户， 主叫端局发送 IAM消息将呼叫接续到 汇接局；
汇接局向综合智能归属位置寄存器查询业务信息， 比如， 查询被叫用户信 息， 若被叫签约了回铃音业务， 则综合智能归属位置寄存器向汇接局返回回铃 音业务接入码。 汇接局根据收到的业务信息确定被叫用户开通了回铃音业务， 在被叫号码前插入回铃音业务接入码作为前缀，并将呼叫路由到互动回铃音业 务平台。
互动回铃音业务平台收到呼叫后， 确定被叫用户开通了互动回铃音业务， 则通过向被叫端局发送 IAM消息向被叫用户发起呼叫，其中需要扩展 IAM消 息中的参数， 用于指示当前呼叫需要建立话路， 即通过扩展 IAM消息支持被 叫用户接收互动回铃音业务平台播放的个性化回铃音替代振铃音。其中，扩展 IAM 消息的方式可以同上述实施例所述， 通过修改消息中的改发信息参数字 段 Redirection information来实现 , 在此不赘述。 被叫端局收到互动回铃音业务平台的呼叫请求后，判断该呼叫请求是否携 带第二签约标识， 如果没有携带第二签约标识， 则按照正常的处理流程处理， 此时若被叫空闲， 则指示被叫振铃并向互动回铃音业务平台返回 ACM消息并 标识被叫空闲， 互动回铃音业务平台再向主叫端局返回 ACM消息， 接通互动 回铃音业务平台到主叫端局的话路，开始给主叫用户播放回铃音；如果被叫忙， 则向主叫端局回 ACM消息并标识被叫遇忙的状态。 如果被叫端局收到的呼叫 请求携带了携带第二签约标识， 则表示需要触发互动回铃音业务， 此时被叫端 局判断被叫用户的状态， 若被叫用户遇忙， 则向主叫端局回 ACM消息并标识 被叫忙， 若被叫用户空闲， 则接通被叫端局到被叫用户的话路， 并指示被叫用 户等待播放互动回铃音， 并向互动回铃音业务平台返回 ACM消息并标识被叫 空闲；
互动回铃音业务平台收到被叫端局返回的标识被叫空闲的 ACM消息后， 向主叫端局返回 ACM消息， 并分别接通互动回铃音业务平台到主叫端局、 被 叫端局的两条话路，通过所述话路向主叫用户和被叫用户播放相同或不同的回 铃音。
当被叫用户摘机应答后， 被叫端局发送 ANM ( Answer Message, 应答消 息）到互动回铃音业务平台， 互动回铃音业务平台停止放音， 并接通主叫和被 叫的话路， 主被叫正常通话。
在该实施例中， 个性化回铃音和互动回铃音的呼叫都由回铃音平台呼出， 对于没有开通互动彩铃的用户，触发个性化回铃音业务的流程还可以使用原来 方案实现， 由 SSP负责话路桥接， 但这样就要求在 SHLR签约业务时， 将彩 铃业务与互动彩铃区分开。 SSP到 SHLR查询业务签约信息，如果被叫签约了 彩铃业务， 则按原来的无话路迂回方案处理； 如果被叫签约了互动彩铃业务， 则将呼叫转到彩铃平台， 由彩铃平台负责处理。
图 6为移动网络实现互动回铃音业务的方法实施例流程示意图， 同样，假 设被叫用户定制了互动回铃音业务，参照图 6说明在移动网络中实现互动回铃 音业务的流程。
主叫用户呼叫被叫用户， 移动交换中心 (MSC , Mobile Switching Center) 向归属位置寄存器发送 SRI ( Send Routing Info ) 消息， 获取被叫用户签约信 息， HLR向拜访地归属寄存器 (VLR, Visited Location Register)获取用户签约 信息， 将呼叫接续到拜访地移动交换中心 (VMSC/VHLR, Visited MSC/ Visited HLR);
VLR在向 HLR返回的消息中通过 TICK标识被叫用户是否开通回铃音业 务和是否开通互动回铃音业务；
MSC根据接收到 HLR返回的用户签约信息中携带的 TICK标识， 启动相 应互动回铃音业务处理流程；
如果用户只开通了回铃音业务， 没有开通互动回铃音业务， 那么 MSC使 用标准的 IAM消息呼叫 VMSC; 如果用户即开通了回铃音业务并且开通了互 动回铃音业务， 那么 MSC使用扩展的 IAM消息呼叫 VMSC;
VMSC收到 MSC的呼叫请求， 判断是标准的 IAM消息还是扩展的 IAM 消息。如果是标准的 IAM消息， 那么 VMSC使用标准的寻呼消息 PAGING寻 呼被叫； 如果是扩展的 IAM消息， 那么 VMSC使用扩展的 PAGING消息寻呼 被叫；
被叫用户收到 VMSC的寻呼请求， 判断是标准的 PAGING消息还是扩展 的 PAGING消息。 如果是标准的 PAGING消息， 那么被叫用户正常振铃， 并 返回振铃消息 ALERTING给 VMSC; 如果是扩展的 PAGING消息， PAGING 消息扩展是通过扩展其中的 TMSI字段的内容标识触发互动回铃音业务，那么 被叫终端不振铃或者屏蔽振铃， 等待互动回铃音业务平台播放个性化回铃音， 同时也返回 ALERTING消息给 VMSC。
VMSC寻呼被叫成功后， 给 MSC发送 ACM消息， VMSC不播放全球移 动通信系统 (GSM, Global System for Mobile Communications)标准的回铃音， VMSC向互动回铃音业务平台发送标准第一初始地址消息 IAM1 给主叫播放 回铃音，如果被叫用户还开通了互动回铃音业务， VMSC再向互动回铃音业务 平台发送第二初始地址消息 IAM2 给被叫播放互动回铃音。 被叫号码参数为 "Prefix +被叫的 MSISDN" 的形式， 其中 Prefix可配置；
互动回铃音业务平台收到 VMSC的 IAM消息后，向 VMSC回送 ACM消 息， 互动回铃音业务平台根据被叫号码和主叫号码， 向主叫用户播放定制的回 铃音， 向被叫用户播放定制的互动回铃音。 互动回铃音业务平台向主叫和被叫播放的回铃音可以根据用户设置，可以 相同也可以不同。
在检测到被叫应答后， VMSC 拆除和互动回铃音业务平台之间的话路连 接， VMSC给 MSC回送应答消息， 接通主被叫话路， 主被叫用户正常通话。
在该实施例中， 同样可以由主叫用户为被叫用户定制互动回铃音， 实现过 程基本同上， 在此不赘述。
本领域普通技术人员可以理解实现上述实施例方法中的全部或部分步骤 是可以通过程序来指令相关的硬件来完成，所述的程序可以存储于一计算机可 读取存储介质中， 所述的存储介质， 如： ROM/RAM、 磁碟、 光盘等。
本发明实施例中用于实现互动回铃音业务的交换设备结构示意图如图 7 , 该交换设备包括： 互动回铃音签约信息获取单元 101 , 用于获取用户签约的互 动回铃音业务签约信息； 互动回铃音签约标识下发单元 103 , 用于向被叫终端 下发第二签约标识， 所述第二签约标识用于指示被叫终端等待播放互动回铃 音； 互动回铃音业务触发单元 104 , 用于将互动回铃音业务签约信息路由到互 动回铃音业务平台， 以触发互动回铃音业务。该交换设备还可以包括存储单元 102、 以及话路连接单元 105 , 存储单元 102用于存储用户签约的互动回铃音 业务信息， 话路连接单元 105 用于连接互动回铃音业务平台和终端的通信话 路， 实现互动回铃音业务平台为用户播放互动回铃音。
本发明实施例中的互动回铃音业务平台结构示意图如图 8所示，所述互动 回铃音业务平台包括： 接收单元 302、 存储单元 301、 下发单元 303、 播放单 元 304。 其中， 存储单元 301用于存储用于定制互动回铃音业务的业务信息； 接收单元 302 用于接收交换设备发送的互动回铃音业务签约信息； 播放单元 304 用于根据主叫和 /或被叫定制的互动回铃音业务签约信息及所述存储单元 301存储的业务信息为用户播放互动回铃音； 下发单元 303用于将第二签约标 识下发到交换设备，指示被叫终端屏蔽自身的振铃音。 所述第二签约标识用于 标识用户签约互动回铃音业务。
该互动回铃音业务平台还可以包括话路连接单元 305 , 用于与终端建立话 路， 实现互动回铃音业务平台为用户播放互动回铃音。话路连接单元 305通过 交换设备与被叫终端连接话路。 在该实施例中， 下发单元 303将第二签约标识下发到第二交换设备， 通过 第二交换设备呼叫被叫终端，根据被叫终端返回的消息判断被叫的状态， 若被 叫忙， 则将忙音透传给主叫， 若被叫空闲， 则触发互动铃音业务。 话路连接单 元 305还可以在被叫用户摘机后，切断互动回铃音业务平台与主叫终端、被叫 终端的话路， 并接通主叫与被叫的话路， 使主被叫正常通话。 话路连接单元 305可以根据不同的外呼协议向交换设备发起呼叫， 如 TUP ( Telephone User Part, 电话用户部分）协议、 ISUP ( Integrated Services Digital Network User Part, ISDN用户部分）协议、 INAP ( Intelligent Network Application Protocol, 智能 网应用协议 )协议、 MAP ( Mobile Application Part,移动应用部分 )协议、 CAP ( CAMEL Application Part , CAMEL应用部分）协议以及 SIP ( Session Initiation Protocol, 会话发起协议）等。
本发明实施例提供的用于实现互动回铃音业务的终端结构示意图如图 9 所示， 包括接收单元 110, 用于接收标识用户签约互动回铃音业务的第一签约 标识， 所述第一签约标识用于指示被叫终端等待播放互动回铃音； 屏蔽单元 120, 用于根据所述第一签约标识屏蔽自身的振铃音。
通过本发明实施例提供的方法和系统实现了充分利用个性化回铃音资源， 既可以给主叫播放个性化回铃音也可以给被叫播放互动回铃音；而且互动回铃 音为根据被叫设置确定播放的回铃音，被叫用户根据当前播放的回铃音确定主 叫用户， 增强了用户体验。
显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发 明的精神和范围。 这样，倘若本发明的这些修改和变型属于本发明权利要求及 其等同技术的范围之内， 则本发明也意图包含这些改动和变型在内。

Claims

权 利 要 求
1、 一种通信网络中提供回铃音的方法， 其特征在于， 包括：
在接续呼叫过程中， 获取用户签约的互动回铃音业务签约信息； 当被叫状态为空闲时，向被叫下发标识用户签约互动回铃音业务的第一签 约标识， 所述第一签约标识用于指示被叫等待播放互动回铃音；
根据所述用户签约的互动回铃音业务签约信息为被叫播放互动回铃音。
2、 如权利要求 1所述的方法， 其特征在于， 所述用户签约的互动回铃音 业务签约信息包括： 主叫和 /或被叫签约的互动回铃音业务签约信息。
3、 如权利要求 2所述的方法， 其特征在于， 所述根据所述用户签约的互 动回铃音业务签约信息为被叫播放互动回铃音包括：当获取到主叫和被叫的互 动回铃音业务签约信息时，根据所述互动回铃音业务签约信息中设定的优先级 确定需要播放的互动回铃音。
4、 如权利要求 1所述的方法， 其特征在于，
所述获取用户签约的互动回铃音业务签约信息包括： 由第一交换设备向归 属位置寄存器获取用户签约的互动回铃音业务签约信息；
所述向被叫下发第一签约标识包括： 由第二交换设备向被叫下发第一签约 标识。
5、 如权利要求 4所述的方法， 其特征在于， 所述方法还包括： 所述第一 交换设备根据所述互动回铃音业务签约信息向第二交换设备下发第二签约标 识， 所述第二签约标识用于标识用户签约互动回铃音业务。
6、 如权利要求 5所述的方法， 其特征在于， 所述方法还包括：
所述第一交换设备根据所述第二交换设备返回的被叫空闲消息，连接主叫 与互动回铃音业务平台间的话路，指示互动回铃音业务平台为主叫播放互动回 铃音。
7、 如权利要求 5所述的方法， 其特征在于， 所述方法还包括： 所述第二 交换设备连接被叫与互动回铃音业务平台间的话路，指示互动回铃音业务平台 为被叫播放互动回铃音。
8、 如权利要求 4所述的方法， 其特征在于， 所述方法还包括：
所述第一交换设备将所述互动回铃音业务签约信息路由到互动回铃音业 务平台；
所述互动回铃音业务平台根据所述互动回铃音业务签约信息向所述第二 交换设备下发所述第二签约标识。
9、 如权利要求 8所述的方法， 其特征在于， 所述方法还包括：
互动回铃音业务平台根据第二交换设备返回的被叫空闲消息接通与被叫 的话路， 为被叫播放互动回铃音。
10、 如权利要求 5或 8所述的方法， 其特征在于， 所述第二签约标识包括 改发信息参数， 所述第二签约标识承载在初始地址消息中。
11、 一种计算机程序产品， 其特征在于， 所述计算机程序产品包括计算机 程序代码， 当所述计算机程序代码被一个计算机执行的时候， 所述计算机程序 代码可以使得所述计算机执行权利要求 1至 10项中任意一项的步骤。
12、 一种通信网络中提供回铃音的系统， 其特征在于， 包括：
交换设备， 用于当被叫状态为空闲时， 向被叫下发第一签约标识， 所述第 一签约标识用于指示被叫等待播放互动回铃音，连接被叫与互动回铃音业务平 台间的话路， 指示互动回铃音业务平台为被叫播放互动回铃音；
其中，所述互动回铃音业务平台用于根据用户签约的互动回铃音业务签约 信息为被叫播放互动回铃音。
13、 如权利要求 12所述的系统， 其特征在于， 所述系统还包括： 归属位置寄存器， 用于存储所述用户签约的互动回铃音业务签约信息。
14、 如权利要求 12或 13所述的系统， 其特征在于， 所述系统还包括： 终端， 用于接收第二交换设备下发的第一签约标识， 并根据所述第一签约 标识屏蔽自身的振铃音。
15、 一种交换设备， 其特征在于， 包括：
互动回铃音签约信息获取单元，用于获取用户签约的互动回铃音业务签约 信息；
互动回铃音签约标识下发单元， 用于向被叫下发第一签约标识， 所述第一 签约标识用于指示被叫等待播放互动回铃音；
互动回铃音业务触发单元，用于将所述互动回铃音业务签约信息路由到互 动回铃音业务平台， 以触发互动回铃音业务。
16、 如权利要求 15所述的交换设备， 其特征在于， 还包括： 存储单元， 用于存储用户签约的互动回铃音业务签约信息； 的互动回铃音业务签约信息。
17、 如权利要求 15或 16所述的交换设备， 其特征在于， 还包括： 话路连接单元， 用于连接所述互动回铃音业务平台和终端的通信话路。
18、 一种互动回铃音业务平台， 其特征在于， 包括：
接收单元， 用于接收交换设备发送的互动回铃音业务签约信息； 播放单元，用于根据所述互动回铃音业务签约信息及业务信息为用户播放 互动回铃音。
19、 如权利要求 18所述的互动回铃音业务平台， 其特征在于， 还包括： 存储单元， 用于存储所述互动回铃音的业务信息。
20、 如权利要求 18或 19所述的互动回铃音业务平台， 其特征在于， 还包 括：
下发单元，用于根据所述互动回铃音业务签约信息向交换设备下发第二签 约标识， 所述第二签约标识用于标识用户签约互动回铃音业务。
21、 一种实现互动回铃音业务的终端， 其特征在于， 包括：
接收单元， 用于接收标识用户签约互动回铃音业务的第一签约标识， 所述 第一签约标识用于指示被叫等待播放互动回铃音；
屏蔽单元， 用于根据所述第一签约标识屏蔽自身的振铃音。
PCT/CN2008/071198 2007-06-30 2008-06-05 A method and system for providing ring back tone in a communication network Ceased WO2009003384A1 (en)

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