WO2007115463A1 - A method, a system and a ring back tone apparatus for offering the presence information using ring back tone - Google Patents

A method, a system and a ring back tone apparatus for offering the presence information using ring back tone Download PDF

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Publication number
WO2007115463A1
WO2007115463A1 PCT/CN2007/000352 CN2007000352W WO2007115463A1 WO 2007115463 A1 WO2007115463 A1 WO 2007115463A1 CN 2007000352 W CN2007000352 W CN 2007000352W WO 2007115463 A1 WO2007115463 A1 WO 2007115463A1
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WO
WIPO (PCT)
Prior art keywords
user terminal
ring back
presence information
back tone
called 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/CN2007/000352
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English (en)
French (fr)
Inventor
Quan Qi
Jian Liu
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
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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 ES07702244T priority Critical patent/ES2390682T3/es
Priority to CN2007800003243A priority patent/CN101317433B/zh
Priority to EP07702244A priority patent/EP2003865B1/en
Publication of WO2007115463A1 publication Critical patent/WO2007115463A1/zh
Priority to US11/950,229 priority patent/US8515396B2/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
    • H04M3/42365—Presence services providing information on the willingness to communicate or the ability to communicate in terms of media capability or network connectivity
    • 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
    • H04M3/42—Systems providing special services or facilities to subscribers
    • H04M3/487—Arrangements for providing information services, e.g. recorded voice services or time announcements
    • H04M3/4872—Non-interactive information services

Definitions

  • the present invention relates to a technique for providing personalized ring back tone in a communication network, and more particularly to a method and system for providing presence information using a ring back tone in a communication network and a ring back tone device.
  • the Ring Back Tone Service is a service that allows users to customize the ring back tone.
  • the calling user terminal dials the called user terminal, before the called user terminal rings, the calling user terminal provides a pleasant music or a greeting or a user-recorded synthesized prompt voice instead of a prompt voice. Normal ring back tone. Due to its strong personalization, the ring back tone service has become a fashion and is widely welcomed by the public.
  • the general ring back tone is pre-customized, at most according to the user number, Different ringback tones are played during different time periods and lots, but different ringback tones cannot be sent according to the actual state of the calling user at that time to more flexibly satisfy the user's needs.
  • Presence Service is a kind of communication method that acquires the presence information of the user (presentation body) in real time, such as the status, mood, communication ability and the like of the presentity, and presents the service to other users (observers). So that the observer can select the appropriate communication method or time to communicate with the presenter.
  • the current application of the service in the field of telecommunications has encountered some problems. For example, many called users currently use older terminals, or open the presentation client for various reasons, and are unable to obtain presentation information. This has led to the fact that presence services are not very popular in this area, preventing users from getting a better communication experience by presenting services.
  • An embodiment of the present invention provides a method for providing presence information by using a ring back tone, including: when the originating call is initiated, the network side obtains the ring back tone presentation service customized record corresponding to the user terminal of the current call, and the ring back tone device Routing address, according to the routing address of the ringback tone device, the current call is connected to the ringback tone device; the ringback tone device obtains the called user presence information according to the user terminal number of the call; the ringback tone device will be The user presentation information is sent to the calling user terminal.
  • An embodiment of the present invention provides a system for providing presence information using a ring back tone, including an exchange control system, a ring back tone device, and a presence server, where:
  • the switching control system is configured to save a ringback tone presentation service customized record and a routing address of the ringback tone device corresponding to the user terminal, and obtain a ringback tone service customized record and a ringback tone stored by the user terminal after receiving the call.
  • the routing address of the device, the connection is connected to the ring back tone device according to the routing address of the ring back tone device;
  • a presentation server configured to obtain the called user presentation information, and send the presentation information to the ring back tone device;
  • the ringback tone device is configured to: after receiving the call, acquire the called user presence information provided by the presence server according to the user terminal number, and send the presence information to the calling user terminal.
  • the embodiment of the invention further provides a ring back tone device, including:
  • the ringback tone control module is configured to receive a call connected by the switching control system on the network side, and obtain the called user presence information provided by the presence information receiving module according to the called user terminal number, and present the information to the called user. Sended as a ringback tone to the calling user terminal;
  • a presentation information receiving module configured to receive the presented user presentation information, and provide the presentation information to the ringback tone control module.
  • the embodiment of the present invention effectively combines the ring back tone service and the presence service, and according to the user's service customized record, the ring back tone device obtains the presence information dynamically set by the called user from the presence server. Send it to the calling user.
  • the calling user can conveniently obtain the presence information set by the called user through the ring back tone, understand the state and mood of the called user at this time, improve the personalized experience of the user, and further enrich the type of telecommunication service; Since the present invention provides the called user with the presence information of the called user by using the ring back tone, the presence information of the called user can be obtained regardless of whether the calling user terminal supports the presence service or whether the presentation client is opened, thereby improving Presenting business Popularity rate.
  • FIG. 1 is a schematic structural diagram of a presence information system according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of a ring back tone device according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of a ringback tone content template provided by an embodiment of the present invention.
  • FIG. 4 is a signaling flowchart provided by an embodiment of the present invention.
  • FIG. 5 is a signaling flowchart provided by an embodiment of the present invention. detailed description
  • the implementation of the embodiment of the present invention is as follows: When the calling user terminal dials the called user terminal, the switching control system forwards the call to the ring back tone device according to the user ring back tone presentation service customized record, and the ring back tone device obtains the presentation by the ring back tone device.
  • the called user provided by the server presents information and sends it to the calling user terminal.
  • the user in order to implement the ringback tone presentation service, the user (called user or calling user) first needs to customize the ring back tone presentation service, and the user can customize the ring back tone presentation service by signing the contract in the business hall.
  • the customization can also be performed by dialing a special number or via the Internet, and the ringback tone presentation service customization record is stored in the exchange control system.
  • FIG. 1 is a schematic structural diagram of a presence information system according to the present invention, including: an exchange control system 11, a ring back tone device 12, a presence server 13, a calling user terminal 14, and a called user terminal 15, wherein the exchange control system 11 respectively
  • the ringback tone device 12, the calling user terminal 14 and the called user terminal 15 are communicatively connected
  • the presence server 13 is in communication connection with the ringback tone device 12 and the called user terminal 15, respectively, and:
  • the switching control system 11 is configured to exchange and control communication between the calling user terminal 14 and the called user terminal 15, and save the ring back tone presentation service customized record and ring back tone corresponding to the calling user or the called user.
  • the routing address of the device and receiving the call. After determining that the user of the call has a corresponding ringback tone presentation service customized record, the call is connected to the ringback according to the routing address of the ringback tone device. Sound device 12.
  • the ring back tone device 12 after receiving the call, acquires the called user presence information provided by the presence server 13 according to the user terminal number, and transmits the presence information to the calling user terminal 14.
  • the ring back tone device 12 may specifically be an intelligent peripheral IP, or a dedicated ring back tone server RBTS or the like.
  • the ring back tone device 12 can provide the ringing tone containing the called user presence information acquired from the presence server 13 to the calling user terminal 14, and can also provide a customized custom ringback tone customized by the user.
  • the ring back tone provided by the currently available fixed ring back tone service is referred to as a normal custom ring back tone.
  • the presentation server 13 stores the authorized record of the called user terminal 15 for presenting the ringback tone, and is used to obtain the called user presence information dynamically set by the called user, and provides the presence information to the ringback tone device 12.
  • the presence server 13 can be used as two separate network entities with the ringback tone device 12, or the presence server 13 can be set to the ringback tone device 12.
  • the calling user terminal 14 and the called user terminal 15 may be fixed telephones or mobile phones.
  • the switching control system 11 may include a switching device and a home location register, where:
  • the home location register HLR is configured to save a ringback tone presentation service customization record and a routing address of the ringback tone device corresponding to the user terminal, and may be based on the caller of the current call (the calling user terminal calls the called user terminal).
  • the called user terminal number determines whether it has a service customization record;
  • the switching device is configured to obtain, from the HLR, the routing address of the ringback tone presentation service customization record and the ringback tone device, and determine, according to the received call information, that the user terminal of the call has a corresponding ringback tone presentation service. After the record is customized, the call is connected to the ring back tone device according to the obtained routing address of the ring back tone device.
  • Another structure of the switching control system 11 may include a switching device and a service control point, where
  • the service control point is configured to save a ringback tone presentation service customization record and a routing address of the ringback tone device corresponding to the user terminal, and determine, according to the received call information, that the user terminal of the call has a corresponding ringback tone presentation.
  • the switching device is instructed to connect the call to the ring back tone device according to the saved routing address of the ring back tone device;
  • the switching device is configured to receive the call and report the call information to the SCP, and after receiving the routing address of the ringback tone device sent by the SCP, connect the call to the ring back tone device.
  • FIG. 2 is a schematic structural view of a ring back tone device in the present invention.
  • the present invention further provides a ring back tone device.
  • the basic structure inside the ring back tone device includes a ring back tone control module 21 and a presence information receiving module 22, and may further include a format conversion module 23 and presence information.
  • the ringback tone control module 21 is configured to receive a call connected by the switching control system on the network side, control transmission of the ring back tone to the calling user terminal, and obtain the called user terminal number from the received call and send the call to the called user terminal number
  • the information receiving module 22 is presented, and the called user presence information sent by the presence information receiving module 22 is sent to the calling user terminal as a ringback tone;
  • the presence information receiving module 22 is configured to receive the called user presence information sent by the external presence server, and provide the presence information to the ringback tone control module 21.
  • the ringback tone device further includes a format conversion module 23, which is respectively connected to the ringback tone control module 21 and the presence information receiving module 22, the format conversion module 23 is configured to receive the presentation by the presence information receiving module 22.
  • the called user presents information, and converts the presentation information into a ringback tone control module 21, which is a format that the user can understand.
  • the ringback tone control module 21 is configured to send the formatted presentation information to the Calling user terminal.
  • the format conversion module 23 may be a speech synthesis module, wherein the called user presentation information received by the presence information receiving module 22 is in a text format; the presence information receiving module 22 further transmits the called user presentation information in a text format.
  • the speech synthesis module converts the received user presentation information in the received text format into a speech format, and presents the called user in the speech format
  • the information is sent to the ringback tone control module 21; the ringback tone control module 21 transmits the called user presence information in the voice format to the calling user terminal.
  • the presentation information sent by the presence server may be a combination of any one or more of a voice format, a text format, an image format, and a multimedia format.
  • the calling user terminal may not support some information formats, and the format conversion module 23 is required to convert the presentation information into a form understandable by the calling user terminal.
  • the presence server sends the presence information carried by the multimedia message to the ring back tone device.
  • the presentation information receiving module 22 determines whether the calling user terminal can support the multimedia message MMS, and performs different processing according to the carrying capacity of the user terminal (such as display resolution, capacity of the terminal, etc.). For example, when the user terminal does not support the MMS, the format conversion module 23 converts the MMS into a text format message, and the ring back tone control module 21 transmits the text format message to the calling user terminal.
  • the presence server provides at least two scenarios for the called user to present information: 1.
  • the presentation server sends the presentation information according to the request.
  • the ringback tone control module 21 After receiving the call that is connected to the network side, the ringback tone control module 21 sends a request for acquiring the presence information of the called user to the presence information receiving module 22 according to the called user terminal number in the call information; the presence information receiving module 22 Sending the request to the external presentation server, the presence server authenticates the request for the presence information, and if the authentication succeeds, the called user presentation information is sent to the presence information receiving module 22, and the presence information receiving module 22 The presence information is provided to the snoring control module 21.
  • the ring back tone device of the present invention may further include a presence information storage module 24 connected to the ring back tone control module 21 and the presence information receiving module 22, respectively.
  • the presence server automatically sends the latest called user presence information to the presence information receiving module 22 of the ring back tone device, and the presence information receiving module 22 forwards the presence information to the presentation information.
  • the storage module 24 after receiving the connected call on the network side, the ringback tone control module 21 acquires the information presented by the called user from the presence information storage module 24 according to the called user terminal number in the call information, and The obtained presence information is sent as a ringback tone to the calling user terminal.
  • the ringback tone device can obtain the called user presence information from the presence information storage module according to the called user terminal number and send it to the calling user terminal, without having to request the presence server once. , to a certain extent can reduce signaling interaction.
  • the present invention can also store a plurality of ring back tone content templates preset by the user or/and the system in the ring back tone device, and the ring back tone boards respectively correspond to different ring back tones. It can make the implementation of the invention lower in cost and better in ease of use.
  • the ringback tone device sets a first correspondence relationship between the called user presentation information and the ringback tone inner board; After the called user's presence information is obtained, the ringback tone device finds the ringback tone inner board corresponding to the presence information according to the first correspondence, and sends the ring back tone corresponding to the ring back tone content template to the main Call the user terminal.
  • the called user sets the ringback tone template corresponding to the conference status to the voice "I am now..., reply to you later".
  • Presence can also provide a more detailed description of the user's status, such as "I am annoying”, “I am busy”, “I am shopping, etc..
  • Presence can also provide a more detailed description of the user's status, such as "I am annoying”, “I am busy”, "I am shopping, etc..
  • the ringback tone device in the state of each presence information provided by the presence server, provides some ringback tone content templates, such as an offline profile corresponding to an offline template, an online state corresponding to an online template, and an outgoing state corresponding to an outgoing template, a meeting.
  • the status corresponds to the meeting template and so on.
  • users can use the template directly, or they can record a part of the content to completely replace or partially replace the template.
  • the ringback tone system directly provides the user with a ringback tone content template to correspond to various presentation information, and the user does not need to perform any settings. For example, for offline status, provide a template for "The user you dialed is not next to the deskphone (mobile), please call the template later.
  • Partial replacement template "Hello, my host A is taking a break, if you have no important things, call after B time,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,
  • FIG. 4 is a signaling flowchart of the first embodiment of the present invention, which is an end office solution for the service of the ringback tone presentation service by the called party.
  • the advantage of the solution is that there is no channel bypass, thereby saving the channel resources. Specifically, the following steps are included:
  • Step 101 When the mobile switching center MSC receives a call request from an autonomous calling user terminal, Sending a request SRI for obtaining the routing information of the called user terminal to the HLR to which the called user terminal belongs, the request including information such as the called user terminal number MSISDN.
  • Step 102 103 The HLR stores the ringback tone presentation service customization record of the called user terminal and the routing address of the ringback tone device, and the HLR learns that the called user presents the service subscription user as the ringback tone according to the called user terminal number.
  • the HLR sends a request for obtaining the called roaming number to the visited mobile switching center VMSC, and the VMSC allocates a roaming number MSRN to the called user terminal, and then sends the MSR to the HLR.
  • Step 104 The HLR sends the called roaming number and the ringback tone presentation service subscription information to the MSC by using an SRI_Ack message, where the ringback tone presentation service subscription information includes at least the ringback tone presentation service customization record of the called user terminal and back The routing address of the ring tone device.
  • Step 105 The MSC sends an initial address message IAM to the VMSC.
  • the IAM here includes the calling subscriber terminal number, the called subscriber terminal number, and the called roaming number MSRN.
  • Step 106 The VMSC pages the called user terminal, and sends the idle state information to the MSC by using an address complete message (ACM) when the called user terminal is in an idle state; if the current state of the called user terminal is not If the idle, for example, busy, shutdown, or out of service area, the VMSC transparently transmits a voice prompt indicating that the user is busy, shut down, or not in the service area to the calling user terminal through the MSC.
  • ACM address complete message
  • Step 107 The MSC sends an IAM to the ring back tone device RBTS (Ring Back Tone Sever), and sends the calling user terminal number, the called user terminal number, the ring back tone presentation service identifier, and the like to the RBTS through the IAM.
  • the first example is the end scheme of the MSC to control the playback of the ring back tone.
  • the ring back tone presentation service identifier can be implemented by prefixing the called roaming number. In this way, after receiving the ringback tone presentation service identifier, the ringback tone device determines the subsequent service processing logic, that is, sends a request for obtaining the presence information to the presence server; if the ringback tone is not received, the service identifier is received or received.
  • the RBTS can be processed according to the service processing logic for playing the normal custom ring back tone.
  • Step 108 Set a second correspondence between the called user terminal number and at least one calling user terminal number in the RBTS, and after receiving the IAM sent by the MSC, the RBTS determines the acquired calling user terminal number of the current call. Whether the second correspondence corresponding to the set is met with the called user terminal number The relationship, if yes, sends a request to the presence server Presence Server to obtain the called user presence information carrying the called user terminal number; if not, the normal process is performed, for example, playing a normal ring back tone to the calling user terminal.
  • the ringback tone presentation service time period may also be set in the RBTS, for example, the 3:00 09:00 off-hours time is set as the ring-back tone presentation service time period, and the work time is set from 9:00 to 18:00.
  • the service time period before the BRTS requests the presence server to obtain the presence information, the RBTS determines whether the current time is within the set ringback tone presentation service time period, and if so, sends a request to the presence server to obtain the called user presence information; If no, the request to present information is no longer sent to the presence server.
  • the RBTS determines that the current time is a non-service time period
  • the RBTS no longer requests the presence server to provide the called user presence information.
  • the invention can make the business personalized selection more abundant.
  • the presence server authenticates the presence information request sent by the RBTS, and determines, according to the called user terminal number carried in the request, whether the called user has authorized the ring back tone presentation service and related settings, such as sending to the RBTS. What content, what format of the presentation information. For example, the called user has determined the authorization and sets the presentation information in text format to the RBTS.
  • Step 110 After the presence server successfully requests the presence information to be authenticated, the presence server sends the called user presence information to the ring back tone device RBTS.
  • Step 111 After obtaining the called user presence information, the RBTS sends the presence information to the calling user terminal in a form understandable by the calling user terminal, such as any one of a voice format, a text format, an image format, and a multimedia format. A variety of combinations.
  • the RBTS can save various playback policies of the ringback tone presentation service set by the called user terminal, and may include at least:
  • the RBTS After the RBTS sends the presence information of the reservation period (for example, 30 seconds) or after transmitting the advertisement information (for example, 3 times), if the off-hook signal of the called user terminal is still not received, the ringback is stopped. Tone, this limits the reasonable time to play a ringback tone with presence information.
  • the RBTS receives the off-hook signal of the called user terminal, determines whether the current presence information has not been sent, and if yes, continues to perform the sending of the presence information to the calling user terminal, and then enters the normal call and the called normal call. . This can avoid the communication experience of the calling user because the presentation information is incompletely played.
  • the called user terminal is a user terminal that normally customizes the ring back tone; the RBTS determines whether the off-hook signal of the called user terminal is not received after the presence information of the subscription time period or the presence information of the reservation is received. When the off-hook signal is sent, the normal customized ring back tone corresponding to the calling user terminal is sent to the calling user terminal.
  • the RBTS 4 bar called user presentation information and background sound are synthesized in a voice file, and the background sound is, for example, beautiful music, and then played to the calling user terminal.
  • Step 112 After the called user terminal picks up the call, the VMSC sends the response message ANM to the MSC.
  • Step 113 ⁇ Step 114 the MSC sends a dry release message REL (elease:) signaling to the RBTS, and immediately cuts off the route between the MSC and the RBTS, thereby stopping playing the ringback tone containing the presence information to the calling user terminal.
  • REL dry release message
  • Step silver 115 establishes a normal voice connection between the calling and called user terminals through the MSC and the VMSC.
  • the solution of this embodiment is a customized solution of the called party.
  • the present invention may further include a calling customization scheme, where the HLR stores the ringback tone presentation service customization record of the calling user terminal and the routing address of the ringback tone device. The HLR learns that the calling user terminal presents the service subscription user for the ring back tone according to the calling user terminal number; however, the ring back tone presentation service needs to obtain the authorization confirmation of the called user terminal.
  • the RBTS determines the acquired calling user terminal number of the current call and Whether the set third terminal relationship is satisfied between the called user terminal numbers, and if yes, continuing to perform the step of acquiring the presence information; if not, performing a traditional process, such as playing a normal back to the calling user terminal Ring tone.
  • the caller customization scheme the other processes are basically the same as the called customization scheme, and will not be described here.
  • the calling user can conveniently obtain the presence information set by the called user through the ring back tone, understand the state and mood of the called user at this time, and improve the personalized experience of the user, thereby facilitating the calling user.
  • Selecting a suitable communication method or time to communicate with the called user further enriches the service type of the telecommunication operator; in addition, since the present invention provides the calling user with the presence information of the called user by using the ring back tone, regardless of the calling user terminal Whether to support the rendering service or whether to open the rendering client At the end, the presence information of the called user can be obtained, thereby increasing the popularity of the presentation service.
  • FIG. 5 is a signaling flowchart of Embodiment 2 of the present invention, which is an intelligent network solution for customizing a ring back tone presentation service by a called party.
  • the solution does not need to be modified by a switching center, so the cost is low, easy to implement, and quickly promoted. .
  • the following steps are included:
  • Step 2Q1 After the called user customizes the ring back tone presentation service, the presence server automatically sends the latest called user presence information to the ring back tone device RBTS, and the presentation information is saved by the RBTS.
  • the RBTS can obtain the called user's presence information from the self-received user terminal and send it to the calling user terminal according to the called user terminal number, without having to request the presence server once every time, the solution can reduce the letter to a certain extent. Make interactions and save on channel resources.
  • Step 202 When the mobile switching center MSC receives the telephone call request from the autonomous calling user terminal, sends a request SRI for obtaining the routing information of the called user terminal to the HLR to which the called user terminal belongs, the request including the called user terminal number MSISDN And other information.
  • Step 203 The HLR learns that the called user is an intelligent network user according to the called user terminal number, and sends the subscription information of the called user to the MSC.
  • the called user since it is triggered by the intelligent network mode in this embodiment, the called user is registered as an intelligent network user, so that the subscription information of the called user is saved as T-CSI information.
  • Step 204 After obtaining the T-CSI information of the called user, the MSC learns that the called user is an intelligent network user, and therefore reports the call information to the SCP.
  • the call information here includes at least the calling user terminal number and the called user terminal number.
  • Step 205 The SCP presents the service customized record and the called user terminal number of the current call according to the ringback tone of the called user that is saved by the SCP to determine whether the called user is a ringback tone presentation service subscription user. If so, step 206 and its subsequent processes as shown in FIG. 5 are performed. Otherwise, the traditional process is executed, and the connection between the MSC and the VMSC is established.
  • Step 206 209 The SCP sends a transmission routing information request (SRI) to the HLR to which the called user terminal belongs. After receiving the request message, the HLR sends a request for acquiring the called roaming number to the VMSC, and the VMSC allocates a request to the called user terminal. The roaming number MSRN is then sent to the HLR, and the HLR then sends the MSRN allocated by the VMSC to the called user terminal to the SCP through the SRI response signaling SRI_ack.
  • Step 210 The SCP sends the called roaming number and the called user terminal number to the MSC by using a connection operation (CONNECT) command.
  • CONNECT connection operation
  • the called roaming number here is preceded by an MSRN with a route prefix, where the route prefix is the RBTS routing address.
  • Step 211 After receiving the CONNECT command from the SCP, the MSC routes the call to the RBTS according to the route prefix therein, and sends a start address message (IAM) to the RBTS in the previous transfer mode.
  • the IAM here includes the calling user terminal number.
  • Step 212 After receiving the IAM from the MSC, the RBTS removes the route prefix before the MSR, and extracts the called user terminal number, and sends the calling user terminal number and the called MSRN to the VMSC through the IAM.
  • Step 213 The VMSC pages the called party to determine whether the current state of the called party is idle. If yes, the VMSC sends an address full message (ACM) to the RBTS, if the current state of the called party is not idle, such as busy, shutdown, or out of service area. Then, the MSC promptly transmits the voice prompt played by the VMSC to the calling user terminal indicating that the user is busy, shut down, or not in the service area.
  • ACM address full message
  • Step 214 After receiving the ACM message of the VMSC, the RBTS sends the ACM message to the MSC, and searches for the ringback tone presentation service customized record of the called user according to the called user terminal number, and then plays the message to the calling user terminal through the MSC.
  • the user can customize the ring back tone with the presence service, and block the traditional ring back tone played by the VMSC. For example, the RBTS presents the information according to the received called user as "Travel,” and then plays to the calling user terminal "I am traveling, what are you in a hurry?"
  • AM response message
  • the central office sends the ANM to the MSC, and establishes the voice channel between the MSC and the VMSC through its own relay, so that the calling user terminal and the called user terminal can normally talk.
  • the present invention effectively combines the ring back tone service and the presence service, and according to the user service customized record, the ring back tone device obtains the presence information dynamically set by the called user from the presence server and sends it to the calling party.
  • the user has improved the user's personalized body and the popularity of the presentation service.

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  • Telephonic Communication Services (AREA)
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Description

一种利用回铃音提供呈现信息的方法和系统及回铃音设备 本申请要求于 2006 年 04 月 06 日提交中国专利局、 申请号为 200610034924.9、 发明名称为"一种利用回铃音提供呈现信息的方法和系统及 回铃音设备"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
本发明涉及通信网络中提供个性化回铃音的技术，具体涉及在通信网络中 利用回铃音提供呈现信息的方法和系统及回铃音设备。
背景技术
回铃音业务（ Ring Back Tone Service )是一种允许用户定制回铃音的业务。 当主叫用户终端拨打被叫用户终端时，在被叫用户终端振铃后摘机前，为主叫 用户终端提供一段悦耳的音乐或一句问候语或一段用户自行录制合成的一段 提示语音来替代普通回铃音。 回铃音业务由于其强烈的个性化特点，现已成为 一种时尚， 受到大众的普遍欢迎。 然而， 虽然目前实现回铃音业务的方案有很 多， 如端局方案、 智能网方案、 被叫定制方案、 主叫定制方案等， 但一般回铃 音都是预先定制的， 至多根据用户号码、 时段、地段等不同而播放不同的回铃 音，却无法根据主叫用户当时的实际状态发送不同的回铃音以更加灵活地满足 用户的需求。
呈现业务 (Presence Service)是一种以某种通信方式， 实时获取用户（呈现 体）的呈现信息， 例如呈现体的状态、 心情、 通信能力等信息， 并展现给其它 用户（观察体）的业务， 从而便于观察体选择合适的通信方式或者时间与呈现 体通信。但是， 目前呈现业务在电信领域中的运用遇到了一些问题， 如目前很 多被叫用户使用比较老式的终端， 或者因为各种原因而没打开呈现客户端等， 从而不能够获取呈现信息。这导致了呈现业务在该领域并不是很普及， 阻碍了 用户通过呈现业务获得更好的通信体验。
综上可知， 所述现有的回铃音业务和呈现业务， 在实际使用上， 显然存在 不便与缺陷， 均不能满足用户对通信业务更高要求， 所以有必要加以改进。 发明内容 本发明的一个实施例提供一种利用回铃音提供呈现信息的方法， 包括： 始 发呼叫时，网络侧获取本次呼叫的用户终端对应的回铃音呈现业务定制记录以 及回铃音设备的路由地址，根据所述回铃音设备的路由地址将本次呼叫接续到 回铃音设备； 回铃音设备依据本次呼叫的用户终端号码，获取被叫用户呈现信 息； 回铃音设备将被叫用户呈现信息发送至主叫用户终端。
本发明的一个实施例提供了一种利用回铃音提供呈现信息的系统，包括有 交换控制系统、 回铃音设备及呈现服务器， 其中：
所述交换控制系统，用于保存与用户终端对应的回铃音呈现业务定制记录 和回铃音设备的路由地址，在接收到呼叫后获取用户终端存储的回铃音业务定 制记录和回铃音设备的路由地址，所述根据回铃音设备的路由地址将本次呼叫 接续到回铃音设备；
呈现服务器， 用于获取被叫用户呈现信息， 并将该呈现信息发送给回铃音 设备；
回铃音设备， 用于在接收到所述呼叫后，根据用户终端号码获取由呈现服 务器提供的被叫用户呈现信息， 并将该呈现信息发送至主叫用户终端。
本发明实施例还提供了一种回铃音设备， 包括：
回铃音控制模块，用于接收网絡侧的交换控制系统所接续的呼叫， 并依据 被叫用户终端号码，获取由呈现信息接收模块提供的被叫用户呈现信息， 以及 将该被叫用户呈现信息作为回铃音发送至主叫用户终端；
呈现信息接收模块， 用于接收被叫用户呈现信息， 并将该呈现信息提供给 回铃音控制模块。
综上所述， 本发明的实施例将回铃音业务和呈现业务有效地结合起来，其 根据用户的业务定制记录，由回铃音设备从呈现服务器中获取被叫用户动态设 置的呈现信息并送给主叫用户。借此，主叫用户可以通过回铃音方便地获得被 叫用户设置的呈现信息， 了解被叫用户此时的状态、 心情等， 提高了用户的个 性化体验， 进一步丰富了电信业务种类； 另外， 由于本发明是利用回铃音向主 叫用户提供被叫用户呈现信息，故不论主叫用户终端是否支持呈现业务或者是 否打开呈现客户端，都可以获得被叫用户的呈现信息，从而可提高呈现业务的 普及率。 附图说明
图 1为本发明的实施例提供的呈现信息系统的结构示意图。
图 2为本发明的实施例提供的回铃音设备的结构示意图。
图 3为本发明的实施例提供的回铃音内容模板的示意图。
图 4为本发明的实施例提供的信令流程图。
图 5为本发明的实施例提供的信令流程图。 具体实施方式
为使本发明的目的、技术方案及优点更加清楚明白， 以下参照附图并举实 施例， 对本发明进一步详细说明。
本发明实施例的实现思路在于： 当主叫用户终端拨打被叫用户终端时， 交 换控制系统根据用户回铃音呈现业务定制记录将呼叫路由到回铃音设备，由回 铃音设备获取由呈现服务器提供的被叫用户呈现信息并发送给主叫用户终端。
很容易理解的是， 为了实现回铃音呈现业务， 用户 （被叫用户或者主叫用 户）首先需要定制回铃音呈现业务，用户可以通过到营业厅签约的方式进行回 铃音呈现业务的定制，也可以通过拨打特殊号码或者通过互联网等方式来进行 该定制， 且回铃音呈现业务定制记录保存在交换控制系统中。
图 1为本发明提供呈现信息系统的结构示意图， 包括： 交换控制系统 11， 回铃音设备 12, 呈现服务器 13、 主叫用户终端 14和被叫用户终端 15 , 其中， 交换控制系统 11分别与回铃音设备 12、 主叫用户终端 14和被叫用户终端 15 通讯连接，呈现服务器 13分别与回铃音设备 12和被叫用户终端 15通讯连接， 并且：
交换控制系统 11， 用于对主叫用户终端 14和被叫用户终端 15之间的通 信进行交换与控制 ,并保存主叫用户或者被叫用户对应的回铃音呈现业务定制 记录和回铃音设备的路由地址，并接收呼叫，在判断出该呼叫的用户存在对应 的回铃音呈现业务定制记录后，根据回铃音设备的路由地址将呼叫接续到回铃 音设备 12。
回铃音设备 12, 在接收到所述呼叫后， 根据用户终端号码获取由呈现服 务器 13提供的被叫用户呈现信息， 并将该呈现信息发送至主叫用户终端 14。 在本发明中， 回铃音设备 12具体的可以是智能外设 IP, 或者专用的回铃音服 务器 RBTS等。回铃音设备 12既可以向主叫用户终端 14提供含有从呈现服务 器 13获取的被叫用户呈现信息的回铃音， 也可以提供用户定制的普通定制回 铃音。 这里， 为了与作为回铃音的被叫用户呈现信息相区别， 将目前已有的定 制回铃音业务提供的回铃音称为普通定制回铃音。
呈现服务器 13 ,保存有被叫用户终端 15对该回铃音呈现业务的授权记录， 并用于获取被叫用户动态设置的被叫用户呈现信息，并将该呈现信息提供给回 铃音设备 12。 在本发明系统中， 呈现服务器 13可以与回铃音设备 12分别作 为两个独立的网络实体， 也可以将呈现服务器 13设置到回铃音设备 12中。
主叫用户终端 14和被叫用户终端 15可以为固话或者手机等。
在本发明系统中， 所述交换控制系统 11 中可以包括交换设备和归属位置 寄存器， 其中：
归属位置寄存器 HLR, 用于保存与用户终端对应的回铃音呈现业务定制 记录和回铃音设备的路由地址，可根据本次呼叫（主叫用户终端呼叫被叫用户 终端）.的主叫、 被叫用户终端号码确定是否其存在业务定制记录；
交换设备， 用于从 HLR处获取所述回铃音呈现业务定制记录和回铃音设 备的路由地址，并根据接收到的呼叫信息，确定本次呼叫的用户终端存在对应 的回铃音呈现业务定制记录后，根据所获取的回铃音设备的路由地址将呼叫接 续到回铃音设备。
所述交换控制系统 11的另一种结构中，可以包括交换设备和业务控制点， 其中，
业务控制点 SCP,用于保存与用户终端对应的回铃音呈现业务定制记录和 回铃音设备的路由地址，并根据接收到的呼叫信息确定本次呼叫的用户终端存 在对应的回铃音呈现业务定制记录后，根据保存的回铃音设备的路由地址指示 交换设备将呼叫接续到回铃音设备； 交换设备， 用于接收所述呼叫， 并将该呼叫信息上报给 SCP, 并在接收到 SCP发来的回铃音设备的路由地址后 , 将呼叫接续到回铃音设备。
图 2是在本发明回铃音设备的结构示意图。 参见图 2， 本发明还提出了一 种回铃音设备， 该回铃音设备内部的基本结构包括回铃音控制模块 21和呈现 信息接收模块 22, 并可进一步包括格式转换模块 23和呈现信息存储模块 24, 其中，
回铃音控制模块 21， 用于接收网络侧的交换控制系统所接续的呼叫， 控 制回铃音向主叫用户终端的传送，并从所接收到的呼叫中获取被叫用户终端号 码而发送至呈现信息接收模块 22, 并将呈现信息接收模块 22发来的被叫用户 呈现信息作为回铃音发送至主叫用户终端；
呈现信息接收模块 22, 用于接收外部的呈现服务器发来的被叫用户呈现 信息， 并将该呈现信息提供给回铃音控制模块 21。
参见图 2,如果回铃音设备中进一步包括格式转换模块 23 , 其与回铃音控 制模块 21和呈现信息接收模块 22分别相连， 所述格式转换模块 23用于接收 由呈现信息接收模块 22提供的被叫用户呈现信息， 并把该呈现信息转换为主 叫用户可以理解的格式后发送给回铃音控制模块 21; 所述回铃音控制模块 21 用于将格式转换后的呈现信息发送给主叫用户终端。
这里， 所述格式转换模块 23可以为语音合成模块， 其中， 呈现信息接收 模块 22所接收到的被叫用户呈现信息为文本格式；呈现信息接收模块 22进一 步将文本格式的被叫用户呈现信息发送至所述的语音合成模块（格式转换模块 23 ); 该语音合成模块 (格式转换模块 23 )将接收到的文本格式的被叫用户呈 现信息转换为语音格式，并将语音格式的被叫用户呈现信息发送至回铃音控制 模块 21； 所述回铃音控制模块 21将语音格式的被叫用户呈现信息发送主叫用 户终端。
当然， 呈现服务器发送的呈现信息可以为语音格式、 文本格式、 图像格式 和多媒体格式中的任意一种或多种的组合。但主叫用户终端可能不支持一些信 息格式， 这时需要格式转换模块 23将呈现信息转换成主叫用户终端可以理解 的形式。例如，呈现服务器将多媒体消息承载的呈现信息发送到回铃音设备的 呈现信息接收模块 22, 回铃音控制模块 21判断主叫用户终端是否能够支持多 媒体消息 MMS, 并根据用户的终端的承载能力 （如显示分辨率， 终端的容量 等）进行不同的处理。 例如， 当用户终端不支持 MMS时， 格式转换模块 23 将 MMS转换成文本格式消息， 并由回铃音控制模块 21将该文本格式消息发 送给主叫用户终端。
本发明中呈现服务器提供被叫用户呈现信息的方案至少有两种： 一、 呈现服务器依据请求发送呈现信息的方案。
所述回铃音控制模块 21接收网络侧所接续的呼叫后， 依据呼叫信息中的 被叫用户终端号码向呈现信息接收模块 22发送获取被叫用户呈现信息的请 求； 所述呈现信息接收模块 22将该请求发送至外部的呈现服务器， 所述呈现 服务器对该呈现信息的请求进行鉴权，鉴权成功则将被叫用户呈现信息发送给 呈现信息接收模块 22， 呈现信息接收模块 22再将该呈现信息提供给回钤音控 制模块 21。
二、 呈现 务器自动向回铃音设备发送最新呈现信息的方案。
参照图 2所示， 本发明的回铃音设备还可包括呈现信息存储模块 24, 其 与回铃音控制模块 21和呈现信息接收模块 22分别相连。其中： 用户终端定制 回铃音呈现业务后，呈现服务器将最新的被叫用户呈现信息自动发送给回铃音 设备的呈现信息接收模块 22,呈现信息接收模块 22再将该呈现信息转发给呈 现信息存储模块 24; 所述回铃音控制模块 21接收网络侧所接续的呼叫后， 依 据呼叫信息中的被叫用户终端号码， 从所述呈现信息存储模块 24中获取由被 叫用户呈现信息， 以及将获取该呈现信息作为回铃音发送至主叫用户终端。在 本方案中， 日后回铃音设备可依据被叫用户终端号码，从自身的呈现信息存储 模块处获取被叫用户呈现信息发送给主叫用户终端，而不需每都要一次请求呈 现服务器提供， 在一定程度上可减少信令交互。
值得一提的是， 本发明在回铃音设备中还可保存有由用户自置或 /和系统 预置的若干回铃音内容模板，这些回铃音内 莫板分别对应不同的回铃音，其 可使得本发明的实现成本更低， 易用性上更佳。
回铃音设备设置被叫用户呈现信息与回铃音内 莫板的第一对应关系；当 获取被叫用户呈现信息后，回铃音设备根据第一对应关系找出与所述呈现信息 对应的回铃音内斜莫板，并将该回铃音内容模板对应的回铃音发送至主叫用户 终端。 针对个人用户： 被叫用户设置开会状态对应的回铃音模板为"我现 在 ......， 稍后再回复您 "的语音， 被叫如果现在去开会， 可以通知自己的状态 为"开会中"， 开始呼叫后， 主叫用户终端听到的回铃音为"我现在开会中， 稍 后再回复您"。 譬如出于娱乐和个性化， Presence还可以提供有关用户状态更 详细的描述， 如"我烦了"、 "我很忙"、 "我在购物，，等。 针对行业类应用： 例如 对于营销员工外出等时， 可以定制模板为"我现在去 ...... （某地） 了， 如果需 要紧急联络， 可以拨打手机 X X , 或者发邮件到 x@x.com"， 这样可以避免因为 联絡不到， 而造成的客户流失等。
如图 3所示， 呈现服务器提供的每个呈现信息状态下， 回铃音设备都提供 一些回铃音内容模板， 例如离线状态对应离线模板， 在线状态对应在线模板， 外出状态对应外出模板， 开会状态对应开会模板等等。 另外， 用户可以直接采 用模板， 还可以自己录一部分内容来完全替代或部分替代模板。
1 )直接采用模板： 即回铃音系统直接为用户提供回铃音内容模板来对应 各种呈现信息，用户无需进行任何设置。例如针对于离线状态，提供模板为"您 所拨打的用户现在不在座机 (手机)旁边， 请稍后再拨打 "的模板。
2 )部分替代模板： "您好， 我的主人 A正在休息， 如果您没有重要的事 情， B时间后再拨打，，， 应用场景： 被叫用户 A正在休息， 而 B时间后是上班 时间。 此时被叫用户 A选择第一个部分为" A", 第二部分为" B", 并设置呈现 信息状态为"休息"。
3 )完全替代模板： 相当于是自己 DIY—个模板， 将模板和状态相关联， 其个性化更强， 例如一段自己录制的诙谐独白等。
下面以具体实施例来更详细地说明本发明。
图 4为本发明实施例一的信令流程图，其为由被叫定制回铃音呈现业务的 端局方案， 本方案的优点是无话路迂回， 从而节省了话路资源。 具体包括如下 步骤：
步骤 101 , 当移动交换中心 MSC接收到来自主叫用户终端的呼叫请求， 向被叫用户终端归属的 HLR发送获取被叫用户终端的路由信息的请求 SRI, 该请求包含被叫用户终端号码 MSISDN等信息。
步驟 102 103, HLR中保存有被叫用户终端的回铃音呈现业务定制记录 及回铃音设备的路由地址， HLR根据被叫用户终端号码得知该被叫用户为回 铃音呈现业务签约用户； HLR向被访移动交换中心 VMSC发送获取被叫漫游 号码的请求， VMSC为被叫用户终端分配一个漫游号码 MSRN,然后将 MSR 发送给 HLR。
步骤 104， HLR通过 SRI— Ack消息将被叫漫游号码和回铃音呈现业务签 约信息发送给 MSC, 该回铃音呈现业务签约信息至少包括被叫用户终端的回 铃音呈现业务定制记录及回铃音设备的路由地址。
步驟 105， MSC向 VMSC发送一个初始地址消息 IAM。这里的 IAM包括 主叫用户终端号码、 被叫用户终端号码和被叫漫游号码 MSRN。
步骤 106, VMSC寻呼被叫用户终端，并在被叫用户终端处于空闲状态时， 将该空闲状态信息通过地址全消息 ACM ( Address Complete Message )发送给 MSC; 如果被叫用户终端的当前状态不是空闲 , 例如忙、 关机或不在服务区， 则 VMSC通过 MSC向主叫用户终端透传表示用户忙、关机或不在服务区的语 音提示。
步骤 107, MSC向回铃音设备 RBTS ( Ring Back Tone Sever )发送 IAM， 并通过该 IAM将主叫用户终端号码、 被叫用户终端号码、 回铃音呈现业务标 识等发送给 RBTS,可见本实施例一是由 MSC来控制播放回铃音的端局方案。 值得注意的是，所述回铃音呈现业务标识可以通过在被叫漫游号码前加前缀的 方式实现。 这样， 回铃音设备在接收到回铃音呈现业务标识后， 再确定后续的 业务处理逻辑， 即向呈现服务器发送获得呈现信息请求； 如果没有接收到回铃 音呈现业务标识或者接收到的是普通定制回铃音业务标识，则 RBTS可以按照 播放普通定制回铃音的业务处理逻辑进行处理。
步骤 108， 在 RBTS中设置被叫用户终端号码与至少一个主叫用户终端号 码的第二对应关系，在 RBTS收到 MSC发来的 IAM后,判断所获取的本次呼 叫的主叫用户终端号码与被叫用户终端号码之间是否满足所设置的第二对应 关系， 如果是， 向呈现服务器 Presence Server发出携带被叫用户终端号码的获 取被叫用户呈现信息的请求； 如果否， 则进行正常流程， 例如向主叫用户终端 播放普通回铃音。
另夕卜， RBTS中还可设置有回铃音呈现业务时间段，例如下班时间 18:00 09:00设为回铃音呈现业务时间段， 而上班时间 9:00 ~ 18:00设为非业务时间 段； 在 BRTS请求呈现服务器获取呈现信息之前， RBTS判断当前时间是否在 所设置的回铃音呈现业务时间段之内，如果是，则向呈现服务器发出获取被叫 用户呈现信息的请求； 如果否， 则不再向呈现服务器发出呈现信息的请求。 例 如主叫用户终端在 16:30呼叫被叫用户终端， RBTS判断出本时间为非业务时 间段，则 RBTS不再请求呈现服务器提供被叫用户呈现信息。本发明通过设置 业务时间段， 可让业务个性化的选择更为丰富。
步錄 109, 呈现服务器对 RBTS发送过来的呈现信息请求进行鉴权， 根据 请求中携带的被叫用户终端号码来判断被叫用户是否已授权该回铃音呈现业 务以及相关设置， 如向 RBTS发送什么内容、什么格式的呈现信息。 例如被叫 用户已确定授权， 且设置向 RBTS发送文本格式的呈现信息。
步骤 110, 呈现服务器对该呈现信息请求鉴权成功后， 呈现服务器将被叫 用户呈现信息发送给回铃音设备 RBTS。
步骤 111 , RBTS获得被叫用户呈现信息后， 将该呈现信息以主叫用户终 端可以理解的形式发送给主叫用户终端， 如语音格式、 文本格式、 图像格式和 多媒体格式中的任意一种或多种的组合。 其中， RBTS中可以保存由被叫用户 终端设置的回铃音呈现业务的各种播放策略 , 至少可包括：
1 ) RBTS在发送完预订时间段（例如 30秒）的呈现信息或者发送完若干 遍呈现信息（例如 3遍）后， 若仍未接收到被叫用户终端的摘机信号， 停止播 放该回铃音， 此可限制播放含呈现信息的回铃音的合理时间。
2 ) RBTS接收到被叫用户终端的摘机信号， 判断当前呈现信息是否未发 送完毕， 如果是， 则继续执行所述的将呈现信息发送至主叫用户终端， 再进入 主、被叫正常通话。 这样可避免因为呈现信息播放得不完整， 而影响主叫用户 的通信体验。 3 )被叫用户终端为普通定制回铃音的用户终端； RBTS 在发送完预订时 间段的呈现信息或者若干遍呈现信息后 ,判断是否未接收到被叫用户终端的摘 机信号，如果未收到摘机信号， 则将本次呼叫用户终端对应的普通定制回铃音 发送至主叫用户终端。
4 )所述 RBTS 4巴被叫用户呈现信息和背景音合成在一个语音文件中， 背 景音例如是优美的音乐， 再向主叫用户终端播放。
需要说明的是， 在实际的业务实现中， 方式 1至方式 4可任意组合。
步驟 112, 当被叫用户终端摘机应答后， VMSC将应答消息 ANM发送给 MSC。
步骤 113 ~步骤 114, MSC向 RBTS发送幹放消息 REL ( elease：)信令， 立即切断 MSC和 RBTS之间的路由， 从而停止向主叫用户终端播放含呈现信 息的回铃音。
步银 115, 通过 MSC和 VMSC建立主、 被叫用户终端间正常话路连接。 另夕卜， 本实施例的方案为被叫定制方案， 其实本发明还可包括主叫定制方 案， HLR 中保存有主叫用户终端的回铃音呈现业务定制记录及回铃音设备的 路由地址， HLR才艮据主叫用户终端号码得知该主叫用户终端为回铃音呈现业 务签约用户； 不过， 该回铃音呈现业务须得到被叫用户终端的授权确认。 在 RBTS 中设置主叫用户终端号码与一个或多个被叫用户终端号码的笫三对应 关系； 在 RBTS获取被叫用户呈现信息之前， RBTS判断所获取的本次呼叫的 主叫用户终端号码与被叫用户终端号码之间是否满足所设置的第三对应关系， 如果是，则继续执行所述获取所述呈现信息的步骤；如果否，则进行传统流程， 如向主叫用户终端播放普通回铃音。至于主叫定制方案其他的流程与被叫定制 方案基本相同， 在此不作赘述。
通过本发明的技术，主叫用户可以通过回铃音方便地获得被叫用户设置的 呈现信息， 了解被叫用户此时的状态、 心情等， 提高了用户的个性化体验， 从 而便于主叫用户选择合适的通信方式或者时间与被叫用户通信，进一步丰富了 电信运营商的业务种类； 另外， 由于本发明利用回铃音向主叫用户提供被叫用 户的呈现信息,故不论主叫用户终端是否支持呈现业务或者是否打开呈现客户 端， 都可以获得被叫用户的呈现信息， 从而提高了呈现业务的普及率。
图 5为本发明实施例二的信令流程图，其为由被叫定制回铃音呈现业务的 智能网方案， 本方案无需对交换中心等进行改造， 因而成本较低， 易于实现及 迅速推广。 具体包括如下步骤：
步驟 2Q1 , 被叫用户定制了回铃音呈现业务后， 呈现服务器将最新的被叫 用户呈现信息自动发给回铃音设备 RBTS, 并由 RBTS保存呈现信息。 利用本 方案， 日后 RBTS可依据被叫用户终端号码，从自身获取被叫用户呈现信息发 送给主叫用户终端， 而不需每都要一次请求呈现服务器提供，该方案可在一定 程度上减少信令交互， 节省话路资源。
步驟 202， 当移动交换中心 MSC接收到来自主叫用户终端的电话呼叫请 求， 向被叫用户终端归属的 HLR发送获取被叫用户终端的路由信息的请求 SRI, 该请求包含被叫用户终端号码 MSISDN等信息。
步骤 203 , HLR根据被叫用户终端号码获知被叫用户是一个智能网用户， 从而将被叫用户的签约信息发送给 MSC。 这里， 由于在本实施例中通过智能 网方式触发， 因此将被叫用户注册为智能网用户，这样被叫用户的签约信息保 存为 T-CSI信息。
步骤 204 , MSC在获取到被叫用户的 T-CSI信息之后， 获知被叫用户是一 个智能网用户， 因此将呼叫信息上报给 SCP。这里的呼叫信息至少包括主叫用 户终端号码和被叫用户终端号码等。
步骤 205， SCP根据自身保存的被叫用户的回铃音呈现业务定制记录和 本次呼叫的被叫用户终端号码来判断被叫用户是否是回铃音呈现业务签约用 户。 如果是， 执行如图 5所示的步骤 206及其后续流程。 否则执行传统流程， 筒单地说， 就是建立 MSC和 VMSC之间的连接。
步骤 206 209, SCP向被叫用户终端归属的 HLR发送传送路由信息请求 ( SRI ), HLR在接收到该请求消息之后， 向 VMSC发送获取被叫漫游号码的 请求， VMSC为被叫用户终端分配一个漫游号码 MSRN, 然后将该 MSRN发 送给 HLR, HLR然后通过 SRI响应信令 SRI—ack将 VMSC为被叫用户终端分 配的 MSRN发送给 SCP。 步驟 210 , SCP 将被叫漫游号码和被叫用户终端号码通过连接操作 ( CONNECT )指令发送给 MSC。 这里的被叫漫游号码为前面加有带有路由 前缀的 MSRN, 其中路由前缀就是 RBTS路由地址。
步骤 211， MSC在接收到来自 SCP的 CONNECT指令后， 根据其中的路 由前缀将呼叫路由到 RBTS, 同时以前转方式向 RBTS发送一个起始地址消息 ( IAM )o这里的 IAM包括主叫用户终端号码、被叫用户终端号码和含路由前 缀的被叫漫游号码 MSRN。
步骤 212, RBTS在接收到来自 MSC的 IAM后， 去掉 MSR 前的路由前 缀，并取出被叫用户终端号码，将主叫用户终端号码和被叫的 MSRN通过 IAM 发送给 VMSC。
步骤 213, VMSC寻呼被叫， 判断被叫当前的状态是否为空闲， 如果是， VMSC向 RBTS发送地址全消息（ ACM ), 如果被叫的当前状态不是空闲， 例 如忙、 关机或不在服务区， 则通过 MSC向主叫用户终端透传 VMSC播放的表 示用户忙、 关机或不在服务区的语音提示。
步骤 214, RBTS收到 VMSC的 ACM消息后，将该 ACM消息发送给 MSC， 同时根据被叫用户终端号码查找被叫用户的回铃音呈现业务定制记录，然后通 过 MSC向主叫用户终端播放被叫用户定制的含呈现业务的回铃音， 同时屏蔽 VMSC播放的传统的回铃音。例如 , RBTS根据收到的被叫用户呈现信息是 "旅 游，，， 则向主叫用户终端播放 "我正外出旅游， 您有什么急事吗" 等。
步骤 215 218, 当被叫用户摘机应答， VMSC向 RBTS发送一个应答消 息 （A M ), RBTS在接收到该 ANM后， 在步骤 216中停止向主叫用户终端 播放回铃音， 同时在步骤 217中将 ANM发送给 MSC， 并经过自己的中继建 立 MSC和 VMSC之间的话路，从而使主叫用户终端和被叫用户终端正常通话。
综上所述, 本发明将回铃音业务和呈现业务有效地结合起来， 其根据用户 业务定制记录，由回铃音设备从呈现服务器中获取被叫用户动态设置的呈现信 息并送给主叫用户， 提高了用户的个性化体^ r及呈现业务的普及率。
可以理解的是，对于本领域的普通技术人员来说，可以根据本发明的技术 方案和技术构思作出其它各种相应的改变和变形，而所有这些改变和变形都应 属于本发明的权利要求的保护范围。

Claims

权 利 要 求
1、 一种利用回铃音提供呈现信息的方法， 其特征在于：
A、 始发呼叫时， 网络侧获取本次呼叫的用户终端对应的回铃音呈现业务 定制记录以及回铃音设备的路由地址，根据所述回铃音设备的路由地址将本次 呼叫接续到回铃音设备；
B、 回铃音设^据本次呼叫的用户终端号码， 获取被叫用户呈现信息；
C、 回铃音设备将被叫用户呈现信息发送至主叫用户终端。
2、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 所述与用 户终端对应的回铃音呈现业务定制记录及回铃音设备的路由地址设置在网络 侧的归属位置寄存器中；
由网络侧的交换设备从归属位置寄存器中获取与用户终端对应的回铃音 呈现业务定制记录和回铃音设备的路由地址。
3、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 所述与用 户终端对应的回铃音呈现业务定制记录及回铃音设备的路由地址设置在网络 侧的业务控制点中；
始发呼叫时， 网络侧的交换设备将该呼叫上报给业务控制点， 业务控制点 获取本次呼叫的用户终端对应的回铃音呈现业务定制记录以及回铃音设备的 路由地址， 并将所述回铃设备的路由地址发送给交换设备。
4、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 在步骤 A 中，所述将本次呼叫接续到回铃音设备的步骤进一步包括： 将在网络侧预先设 置的回铃音呈现业务标识发送至回铃音设备；
回铃音设备接收到回铃音呈现业务标识后，触发执行获取由呈现服务器提 供的被叫用户呈现信息的步骤。
5、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 回铃音设 备判断当前时间是否在所设置的回铃音呈现业务时间段之内，并获取被叫用户 呈现信息。
6、根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 所述获取被 叫用户呈现信息的步骤包括： 回铃音设备将携带被叫用户终端号码的呈现信息请求发送至呈现服务器； 呈现服务器对该请求进行鉴权，鉴权成功后，呈现服务器将被叫用户呈现信息 发送给回铃音设备。
7、根据权利要求 1所述的提供呈现信息的方法，其特征在于，该方法包括： 所述用户终端定制了回铃音呈现业务后，呈现服务器将最新的被叫用户呈现信 息发送给回铃音设备， 并由回铃音设备保存该呈现信息；
所述步骤 B进一步包括： 回铃音设备依据被叫用户终端号码， 获取所述已 保存的被叫用户呈现信息。
8、根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 所述回铃音 设备中保存由用户自置或 /和系统预置的回铃音内«莫板对应于特定的回铃 音， 且回铃音设备设置被叫用户呈现信息与回铃音内容模板的第一对应关系； 所述回铃音设备将被叫用户呈现信息发送至主叫用户终端进一步包括：当 获取被叫用户呈现信息后，回铃音设备根据第一对应关系找出与所述呈现信息 对应的回铃音内 莫板，并将该回铃音内容模板对应的回铃音发送至主叫用户 终端。
9、根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 该方法还包 括： 回铃音设备接收到被叫用户终端的摘机信号，判断当前呈现信息是否未发 送完毕， 如果是， 则继续执行所述的将呈现信息发送至主叫用户终端的步骤。
10、根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 该方法还 包括： 回铃音设备在发送完预订时间段的呈现信息或至少一遍呈现信息后， 若 仍未接收到被叫用户终端的摘机信号， 停止播放回铃音。
11、根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 所述本次 呼叫的用户终端为普通定制回铃音的用户终端；
回铃音设备在发送完预订时间段的呈现信息或者若干遍呈现信息后，判断 是否未接收到被叫用户终端的摘机信号，如果未接到， 则将本次呼叫用户终端 对应的普通定制回铃音发送至主叫用户终端。
12、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 在步骤 C 中， 所述回铃音设备向主叫用户终端发送的呈现信息为语音格式、 文本格式、 图像格式和多媒体格式中的任意一种或多种的组合。
13、 根据权利要求 1所述的提供呈现信息的方法， 其特征在于， 回铃音设备获取由呈现服务器提供的文本格式的被叫用户呈现信息； 回铃音设备将文本格式的被叫用户呈现信息转换为语音格式；回铃音设备 向被叫用户发送的呈现信息为语音格式的呈现信息。
14、根据权利要求 1 ~ 13任一项所述的提供呈现信息的方法，其特征在于， 所述网络侧设置与被叫用户终端对应的回铃音呈现业务定制记录及回铃音设 备的路由地址；
所述步骤 A 包括： 主叫用户终端呼叫被叫用户终端时， 网络侧确定被叫 用户终端存在对应的回铃音呈现业务定制记录后，根据回铃音的路由地址将本 次呼叫接续到回铃音设备。
15、 根据权利要求 14所述的提供呈现信息的方法， 其特征在于， 该方法 进一步包括：在回铃音设备中设置被叫用户终端号码与至少一个主叫用户终端 号码的第二对应关系；
在将呼叫接续到回铃音设备时， 所述步骤 A进一步包括： 回铃音设备从 本次呼叫中获取主叫用户终端号码与被叫用户终端号码；
在回铃音设备获取被叫用户呈现信息之前， 所述步骤 B 进一步包括： 回 铃音设备判断所获取的本次呼叫的主叫用户终端号码与被叫用户终端号码之 间是否满足所设置的第二对应关系，如果是，则继续执行所述的获取所述被叫 用户呈现信息的步骤。
16、根据权利要求 1 ~ 13任一项所述的提供呈现信息的方法，其特征在于， 所迷网络侧设置与主叫用户终端对应的回铃音呈现业务定制记录及回铃音设 备的路由地址， 且该回铃音呈现业务得到被叫用户终端的授权；
所述步骤 A 包括： 主叫用户终端呼叫被叫用户终端时， 网络侧确定主叫 用户终端存在对应的回铃音呈现业务定制记录后，根据回铃音设备的路由地址 将本次呼叫接续到回铃音设备。
17、 根据权利要求 16所述的提供呈现信息的方法， 其特征在于， 该方法 进一步包括：在回铃音设备中设置主叫用户终端号码与至少一个被叫用户终端 号码的第三对应关系；
在将呼叫接续到回铃音设备时， 所述步骤 A进一步包括： 回铃音设备从 本次呼叫中获取主叫用户终端号码与被叫用户终端号码；
在回铃音设备获取被叫用户呈现信息之前， 所述步骤 B 进一步包括： 回 铃音设备判断所获取的本次呼叫的主叫用户终端号码与被叫用户终端号码之 间是否满足所设置的第三对应关系，如果是，则继续执行所述获取所述被叫用 户呈现信息的步骤。
18、 一种利用回铃音提供呈现信息的系统， 其特征在于， 包括有交换控制 系统、 回铃音设备及呈现服务器， 其中：
所述交换控制系统，用于保存与用户终端对应的回铃音呈现业务定制记录 和回铃音设备的路由地址，在接收到呼叫后获取用户终端存储的回铃音业务定 制记录和回铃音设备的路由地址，根据所述回铃音设备的路由地址将本次呼叫 接续到回铃音设备；
呈现服务器， 用于获取被叫用户呈现信息， 并将该呈现信息提供给回铃音 设备；
回铃音设备， 用于在接收到所述呼叫后，根据用户终端号码获取由呈现服 务器提供的被叫用户呈现信息， 并将该呈现信息发送至主叫用户终端。
19、 根据权利要求 18所述的提供呈现信息的系统， 其特征在于， 所述交 换控制系统包括归属位置寄存器和交换设备， 其中：
归属位置寄存器，用于保存与用户终端对应的回铃音呈现业务定制记录和 回铃音设备的路由地址；
交换设备，用于从归属位置寄存器处获取所述回铃音呈现业务定制记录和 回铃音设备的路由地址，根据所获取的回铃音设备的路由地址将呼叫接续到回 铃音设备。
20、 根据权利要求 18所述提供呈现信息的系统， 其特征在于， 所述交换 控制系统包括业务控制点和交换设备， 其中，
业务控制点，用于保存与用户终端对应的回铃音呈现业务定制记录和回铃 音设备的路由地址，并根据接收到的呼叫信息确定本次呼叫的用户终端存在对 应的回铃音呈现业务定制记录以及回铃音设备的路由地址，并将所述回铃设备 的路由地址发送给交换设备；
交换设备， 用于接收所述呼叫， 并将该呼叫信息上报给业务控制点， 并在 接收到业务控制点发来的回铃音设备的路由地址后， 将呼叫接续到回铃音设 备。
21、根据权利要求 18所述的提供呈现信息的系统， 其特征在于， 所述回铃 音设备将携带被叫用户终端号码的呈现信息请求发送至呈现服务器；
所述呈现服务器对该呈现信息请求进行鉴权，鉴权成功则将被叫用户呈现 信息发送给回铃音设备。
22、 根据权利要求 18所述的提供呈现信息的系统， 其特征在于， 用户终 端定制回铃音呈现业务后，呈现服务器将最新的被叫用户呈现信息发送给回钤 音设备；
回铃音设备保存该被叫用户呈现信息， 当回铃音设备在接收到所述呼叫 后，依据被叫用户终端号码，获取所述已保存的被叫用户呈现信息并发送至主 叫用户终端。
23、 根据权利要求 18 - 22任一项所述的提供呈现信息的系统， 其特征在 于，
所述交换控制系统保存有被 /主叫用户终端对应的回铃音呈现业务定制记 录及回铃音设备的路由地址， 在接收到呼叫并判断出该呼叫的被 /主叫用户终 端存在对应的回铃音呈现业务定制记录后，根据回铃音设备的路由地址将本次 呼叫接续到回铃音设备；
所述呈现服务器保存有被叫用户终端对该回铃音呈现业务的授权记录。
24、 一种回铃音设备， 其特征在于， 包括：
回铃音控制模块， 用于接收网絡侧的交换控制系统所接续的呼叫， 并依据 被叫用户终端号码，获取由呈现信息接收模块提供的被叫用户呈现信息， 以及 将该被叫用户呈现信息作为回铃音发送至主叫用户终端；
呈现信息接收模块， 用于接收被叫用户呈现信息， 并将该呈现信息提供给 回铃音控制模块。
25、 根据权利要求 24所述的回铃音设备， 其特征在于，
还包括格式转换模块，用于将由呈现信息接收模块接收的被叫用户呈现信 息转换为主叫用户可以理解的格式；
所述回铃音控制模块用于将格式转换后的呈现信息发送给主叫用户终端。
26、 根据权利要求 25所述的回铃音设备， 其特征在于，
所述格式转换模块具体将呈现信息接收模块接收到的文本格式的呈现信 息转换为语音格式。
27、 根据权利要求 24 26任一项所述的回铃音设备， 其特征在于， 所述回铃音控制模块用于在接收网络侧所接续的呼叫后，依据呼叫信息中 的被叫用户终端号码向呈现信息接收模块发送获取被叫用户呈现信息的请求； 所述呈现信息接收模块用于将该请求发送至外部的呈现服务器，并接收呈 现服务器所返回的被叫用户呈现信息， 再将该呈现信息提供给回铃音控制模 块。
28、 根据权利要求 24 ~ 26任一项所述的回铃音设备， 其特征在于， 所述 回铃音设备进一步包括呈现信息存储模块， 其中：
所述呈现信息存储模块用于保存由呈现信息接收模块接收到的，外部呈现 服务器提供的被叫用户呈现信息；
所述回铃音控制模块用于依据呼叫信息中的被叫用户终端号码，从所述呈 现信息存储模块中获取由被叫用户呈现信息，以及将获取该呈现信息作为回铃 音发送至主叫用户终端。
PCT/CN2007/000352 2006-04-06 2007-02-01 A method, a system and a ring back tone apparatus for offering the presence information using ring back tone Ceased WO2007115463A1 (en)

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