WO2011035682A1 - 来电提示方法及装置 - Google Patents
来电提示方法及装置 Download PDFInfo
- Publication number
- WO2011035682A1 WO2011035682A1 PCT/CN2010/076600 CN2010076600W WO2011035682A1 WO 2011035682 A1 WO2011035682 A1 WO 2011035682A1 CN 2010076600 W CN2010076600 W CN 2010076600W WO 2011035682 A1 WO2011035682 A1 WO 2011035682A1
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- WIPO (PCT)
- Prior art keywords
- color image
- terminal
- user
- call
- local
- Prior art date
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/414—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance
- H04N21/41407—Specialised client platforms, e.g. receiver in car or embedded in a mobile appliance embedded in a portable device, e.g. video client on a mobile phone, PDA, laptop
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/02—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone
- H04M19/04—Current supply arrangements for telephone systems providing ringing current or supervisory tones, e.g. dialling tone or busy tone the ringing-current being generated at the substations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/16—Communication-related supplementary services, e.g. call-transfer or call-hold
Definitions
- an incoming call prompting method which implements a color image service of an IMS (IP Multimedia Subsystem), that is, when a called user receives a color image service user (calling user)
- IMS IP Multimedia Subsystem
- various media representations such as text, pictures, audio, and video set by the calling user are displayed on the called terminal.
- the basic process of color image service playback is:
- the request message arrives from the calling terminal through the core network packet domain to the color image service server, and then The core network packet domain arrives at the called terminal, and the color image server sends the color image service data to the terminal.
- a terminal supported by a packet switch (PS) domain service and a circuit switch (CS) domain service may need to switch between a PS domain session and a CS domain session.
- PS packet switch
- CS circuit switch
- a terminal device has both LTE (Long Term Evolution), WCDMA (Wide Band Code Division Multiple Access), GSM (Global System for Mobile Communications) / EDGE (Global System for Mobile Communications) Enhanced Data Rate for GSM Evolution (Enhanced Data Rate GSM Evolution) access capability.
- LTE Long Term Evolution
- WCDMA Wide Band Code Division Multiple Access
- GSM Global System for Mobile Communications
- EDGE Global System for Mobile Communications
- Enhanced Data Rate for GSM Evolution Enhanced Data Rate GSM Evolution
- the inventor has found that the incoming call prompting method in the related art occurs when the terminal continues to receive the color image resource data from the network and plays the access switch, which causes the reception of the terminal color image data to be interrupted, and the terminal has no sound when the access is switched.
- the phenomenon of the image which causes the called user to fail to recognize the calling user and even miss the incoming call because the caller P is not available.
- the present invention is directed to a method and an apparatus for prompting an incoming call, which can solve the call prompting method in the related art, if an access switch occurs when the terminal continues to receive the color image resource data from the network and plays.
- an incoming call prompting method including the following steps: A User Equipment (UE) receives a customized ringing signal from a CRS AS (Customized Ringing Signal Application Server) Signaling the color image data of the server, and playing the color image according to the color image data; the UE determines whether the UE completes the access switching; if the access switching has been completed, the UE stops playing the color image and rings locally Prompt the user to call.
- UE User Equipment
- the UE determining whether the UE completes the access handover specifically includes: determining, by the UE, whether a call processing state of the UE changes.
- the stopping the playing of the color image by the UE specifically includes: the UE disconnects the service connection with the CRS AS; and the UE stops playing the color image.
- the UE prompts the user to call by local ringing, specifically: the UE plays a local ring tone file for prompting the user to call.
- the prompting the user to call the local ringing by the UE specifically includes: the UE prompting the user to invoke the call by vibration.
- the UE prompting the user to call the local ringing specifically includes: the UE playing the local ring tone file while vibrating to prompt the user to call.
- an incoming call prompting apparatus including: a color image playing module, configured to receive color image data from a CRS AS by a UE, and play a color image according to the color image data;
- the determining module is configured to determine, by the UE, whether the UE completes the access switching, and the local ringing module is configured to: if the access switching is completed, the UE stops playing the color image, and prompts the user to call by local ringing.
- the determining module is specifically configured to: a state determining unit, configured to determine, by the UE, whether a call state of the UE is changed.
- the local ringing module specifically includes: a disconnecting unit, configured to: the UE disconnects the service connection with the CRS AS; a color image stopping unit, configured to stop the playing of the color image by the UE; and the local ringing unit, The UE prompts the user to call in local ringing.
- the local ringing unit is one of the following: a ring tone unit, configured for the UE to play a local ringtone file for prompting the user to call, and a vibration unit for prompting the user to call by vibration;
- the vibration unit is used for the UE to play the local ring tone file while vibrating to prompt the user to call.
- the terminal when the terminal performs the access handover when receiving and playing the color image, the terminal stops the color image service after determining that the local end access handover is completed, and then provides the caller information to the user by local ringing, because the terminal is connected.
- the terminal After the switchover is completed, the terminal actively stops the color image service, and starts to provide the caller information to the user in the prompt mode of the local ringing, so that the user still knows the correct caller information even when the terminal performs the access switch, thereby improving the reliability of the call alert. Sexuality, the user experience is improved, so the caller prompting method in the related art is overcome. If the terminal continuously receives the color image resource data of the packet domain from the network and plays the access switch, the reception of the terminal color image data is interrupted. There is no sound or image phenomenon when the terminal switches in the access, which causes the called user to be unable to recognize the calling user or even miss the incoming call because the caller is not notified.
- FIG. 1 is a flow chart showing an incoming call prompting method according to a first embodiment of the present invention
- FIG. 2 is a flow chart showing an access switching method according to a second embodiment of the present invention
- a flowchart of a method of playing a color image according to a third embodiment of the present invention is shown;
- FIG. 4 is a flow chart showing a method of prompting an incoming call in accordance with a fourth embodiment of the present invention
- FIG. 5 is a view showing a fifth embodiment of the present invention.
- Step 101 The UE receives the color image data from the CRS AS, and plays the color image according to the color image data.
- Step 102 The UE determines whether the UE completes the access handover.
- Step 103 If the access handover is completed, the UE stops playing the color image. Like, and prompt the user to call by local ringing.
- the terminal stops the color image service after determining that the local end access handover is completed, and then provides local call ringing to provide the caller information to the user, because the access is
- the terminal actively stops the color image service, and starts to provide the caller information to the user in the prompt mode of the local ringing, so that the user still knows the correct caller information even when the terminal performs the access switch, thereby improving the reliability of the call alert.
- the user experience is improved, so the caller prompting method in the related art is overcome.
- FIG. 2 is a flowchart of an access handover method according to a second embodiment of the present invention.
- the UE in this embodiment is a called terminal, and the UE first accesses in a packet domain, and access occurs during ringing.
- the handover includes the following steps: Steps 201 ⁇ 204, a standard SIP (Session Initiation Protocol) session, at which time the UE is ringing, prompting the user to have a voice call session, where I/S-CSCF (Interrogating/Serving) Call Session Control Function) is to check the session/call session control function; Step 205, at this time, the UE receives a network test report indicating that the CS network signal is better due to the location change, and the PS session access needs to be switched to CS network.
- SIP Session Initiation Protocol
- I/S-CSCF Interrogating/Serving Call Session Control Function
- the access layer network element such as the MME (Mobility Management Entity), notifies the MSC (Mobile Switching Center) that an access handover is required, and the MSC initiates an access handover request to the IMS network, and the MSC Server is in the session.
- the access switch indicates its ability to support the intermediate call service, such as the SIP INVITE message;
- Step 206 the standard SIP routing process, the S-CSCF forwards the access handover request to the SCC AS (Service Centralization and Continuity Application Server, business centralization and continuity application server);
- Step 207 After receiving the access handover request, the SCC AS finds the ongoing voice call of the UE to update according to the content in the request, and mainly updates the media support type and address of the UE.
- the SCC AS may also negotiate according to the media.
- the remote media description is not updated; it is assumed that the initial media negotiation is completed before the access handover is triggered, so that the SCC AS can update the remote end;
- the SCC AS provides the session state information of the incoming call: ringing Status, the session state information in this step may be part of the content of the message that the SCC AS responds to the INVITE;
- the S-CSCF forwards the session state information to the MSC Server;
- Step 210 the MSC switches to the corresponding CS call Receiving the call;
- Step 210b concurrent with step 210, the UE receives the HO (Hand Over) command, and determines the local state of the SIP session, and then creates a corresponding CS call state: After receiving the call, the UE continues to prompt
- the user has an incoming call;
- Step 211 the user presses a response;
- Step 211b the UE transition state is an active state;
- Step 212 the UE
- step 102 specifically includes: determining, by the UE, whether a call processing state of the UE is changed.
- the UE determines whether the access handover is completed by determining whether the call processing state of the UE changes. As shown in each step in FIG. 2, when the UE completes the access handover, the UE performs the call.
- the processing status must change, so it is feasible to judge the completion of the access handover by the call processing status. For example, the UE originally provides a PS session for the user.
- step 103 specifically includes: if the access handover is not completed, the UE continues to play the color image. In this embodiment, in order to determine that the handover is not performed, the UE continues to receive and play the color image.
- FIG 3 is a flowchart of a method for playing a color image according to a third embodiment of the present invention.
- the UE does not need to perform an access handover.
- the UE always prompts to play the color image before the user presses the button.
- Step 301 The calling terminal UE 1 sends a session request message, and the request message reaches a core network CN (Core Network), where the session request message is, for example, a SIP INVITE message, the core
- the network is, for example, an IMS server device such as an x-CSCF, an HSS (Home Subscriber Server, a Home Subscriber Server), and usually sets a color image related parameter in the user data on the HSS, and the S-CSCF determines the route according to the user data in the HSS.
- the INVITE message is first delivered to the color image server CRS AS; Step 302, the CN forwards the session request message to the CRS AS, and the CRS AS executes the local service logic, and delivers the session request message to the called terminal UE2 via the CN, the color image resource.
- the media description data may also be carried in the session request message to the UE2 in this step; Step 303, when the UE2 is idle, return the called idle to the CN.
- the message arrives at the server, where the called idle message is, for example, a 180 ringing message of the SIP protocol, where the message carries the media description data of the UE2; Step 304, the CRS AS establishes a media data transmission connection with the UE2, the color image.
- the data is sent to the UE2.
- the device that sends the color image data in this step may be a special media device in the color image server system, such as a media server that exclusively stores the color image resource, and is established with the UE2 under the instruction of the color image control system.
- UE2 displays the color image medium;
- Step 306 After the called user receives the button, the UE2 sends a called response message, and the called response message is, for example, a 200 OK message of the SIP protocol.
- Step 307 After receiving the called response message of the UE2, the CRS AS stops the UE2 to transmit the color. Like the media data, the CN sends a called response message to the UE1, and the called response message is a 200 OK message of the SIP protocol.
- the UE1 receives the called response message, sends a session establishment confirmation message, and arrives at the CRS AS via the CN.
- the session establishment confirmation message is, for example, an ACK message of the SIP protocol.
- Step 309 The CRS AS receives the session establishment confirmation message of the UE1, and forwards the message to the UE2 via the CN.
- the session establishment confirmation message is an ACK message of the SIP protocol.
- Step 310 Color image The business ends, the calling party is called.
- the message interaction between the terminal and the network side is realized, and the data is transmitted to the user in the manner of playing the color image.
- the server transmits the link URL (Uniform Resource Locator) of the color image resource to the terminal in the session message, and the color image resource is downloaded and displayed by the terminal.
- the stopping the playing of the color image by the UE specifically includes: the UE disconnects the service connection with the CRS AS; and the UE stops playing the color image.
- the UE prompting the user to call the local ringing specifically includes: the UE playing a local ring tone file for prompting the user to call.
- the UE prompts the user by playing a local ring tone file. Since the local ring tone file is inherent in the UE, when the network access handover occurs and the network-dependent color image service is affected, the local play is played. Ringtone files improve the reliability of incoming call alerts.
- the prompting the user to call the local ringing by the UE specifically includes: the UE prompting the user to invoke the call by vibration.
- the UE uses the vibration method to prompt the user, due to the vibration The motion is inherent in the UE, so when the network access handover occurs and the network-dependent color image service is affected, the vibration mode is used to improve the reliability of the incoming call prompt.
- the UE prompting the user to call the local ringing specifically includes: the UE playing the local ring tone file while vibrating to prompt the user to call.
- the UE uses the method of vibrating and ringing to prompt the user.
- FIG. 4 is a flowchart of an incoming call prompting method according to a fourth embodiment of the present invention.
- UE1 is a calling party
- UE2 is a called party
- the UE2 is first accessed by a packet domain, and the process of playing a color image is performed.
- Steps 401 ⁇ 407 which are standard color image service SIP sessions, the UE is receiving the color image data and playing, prompting the user to have a voice incoming call session, and it is assumed that the initial media negotiation has already been performed.
- Step 408 The access handover occurs, the MSC and the UE2 respectively change the state, and the SCC AS is responsible for completing the related functions of the corresponding anchored session; Step 409, the UE2 disconnects the media data with the CRS AS at this time, and no longer receives the media from the network, meaning UE2 no longer plays/displays the color image.
- UE2 In order to prompt the user to have the effect of the incoming call, UE2 opens the local ringtone file, plays the local ringtone, and prompts the user. The UE may also prompt the user to vibrate or vibrate the ring tone according to a preset setting; Step 410, the SCC AS updates the remote end; Step 411, the CRS AS stops sending the color image media data; Step 412, the called user answers In response, UE2 sends a CS connect message, which is converted into a SIP message by the MSC to reach the SCC AS; Steps 413 ⁇ 416 are standard SIP session procedures, and the color image is ended before the called party responds because of the handover; Step 417: The SCC AS forwards the session establishment confirmation message, and the MSC converts to the CS connect ACK message to reach the UE2.
- FIG. 5 is a structural diagram of an incoming call prompting apparatus according to a fifth embodiment of the present invention.
- the apparatus includes: a color image playing module 501, configured to receive color image data from a CRS AS, and play a color image according to the color image data.
- the determining module 502 is configured to determine, by the UE, whether the UE completes the access handover, and the local ringing module 503 is configured to: if the access handover is completed, the UE stops playing the color image, and prompts the user to call by local ringing.
- the color image playing module 501 firstly receives and plays the color image, and then the UE uses the determining module 502 to determine whether the UE completes the access switching. If the access switching has been completed, the local ringing module 503 stops.
- the color image service provides the caller information to the user by local ringing.
- the UE when the UE performs the access handover when receiving and playing the color image, the UE stops the color image service after determining that the local end access handover is completed.
- the caller information is provided to the user. Since the terminal actively stops the color image service after the access switch is completed, the caller information is provided to the user in the local ringing prompt mode, so that the user is connected even in the terminal. The caller information is still known during the switchover, which improves the reliability of the caller's prompt and improves the user experience. Therefore, the caller alert method in the related art is overcome. If the terminal continuously receives the color image resource data of the packet domain from the network and plays it.
- the determining module 502 may specifically include: a state determining unit, configured to determine, by the UE, whether a call state of the UE is changed. The UE in this embodiment determines whether the access handover is completed by determining whether the call state of the UE is changed. As shown in each step in FIG. 2, when the UE completes the access handover, the call state is performed.
- the UE originally provides a PS session for the user.
- the current network test result shows that the CS network signal is better than the PS network signal, and the session needs to be switched from the PS network to the CS network.
- the UE detects itself.
- the call state is switched from the original PS call state to the CS call state, and the access switch is considered completed. In this way, the judgment of the UE on whether the access handover is completed is simpler and more reliable.
- the local ringing module 503 may include: a disconnecting unit, configured to disconnect the service connection with the CRS AS, a color image stopping unit, configured to stop the playing of the color image by the UE, and a local ringing unit, Used by the UE to prompt the user to call in local ringing.
- the UE stops receiving the color image data by disconnecting the service connection with the CRS AS, and then stops playing the color image. In this way, the UE does not need to process the color image data after determining the access switching, thereby saving the UE. The resources have realized the timely stop of the color image.
- the local ringing unit is one of the following: a ring tone unit, configured for the UE to play a local ringtone file for prompting the user to call, and a vibration unit for prompting the user to call by vibration;
- the vibration unit is used for the UE to play the local ring tone file while vibrating to prompt the user to call.
- the UE selects a ring tone, a vibration, or a ring tone plus a vibration according to a predetermined policy of the user to perform an incoming call prompting. Since the local ring tone file and the vibration are inherent in the UE, the network connection occurs.
- the local ring tone file is played or vibrated, which improves the reliability of the incoming call prompt.
- the method included is performed by a computer, device or machine, and the method can be stored as machine readable instructions, which can be stored on a defined medium, such as a computer storage device, including but not limited to ROM (read only memory) Storage, FLASH memory, transfer device, etc.), magnetic storage media (eg, magnetic tape, disk drive, etc.), optical storage media (eg, CD-ROM, DVD-ROM, paper cards, tape, etc.) and other well-known types Program memory.
- ROM read only memory
- FLASH memory FLASH memory
- magnetic storage media eg, magnetic tape, disk drive, etc.
- optical storage media eg, CD-ROM, DVD-ROM, paper cards, tape, etc.
- the method can be performed by a human operator using the selection of software tools without the need for human or creative judgment.
- modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices.
- they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
- the invention is not limited to any specific combination of hardware and software.
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Description
来电提示方法 ^^置
技术领域 本发明涉及通信领域, 具体而言, 涉及一种来电提示方法及装置。 背景技术 相关技术中提供了一种来电提示方法,该方法实现了 IMS ( IP Multimedia Subsystem, IP 多媒体子***) 的彩像业务, 即当被叫用户接到彩像业务用 户 (主叫用户) 的来电时, 在被叫终端上显示主叫用户事先设置的文字、 图 片、 音频、 视频等多种媒体表示。 在分组网络***, 如 IMS***中, 彩像业 务播放的基本流程是: 当主叫发起会话请求时, 请求消息从主叫终端经核心 网分组域到达彩像业务月艮务器, 然后再经核心网分组域到达被叫终端, 由彩 像月艮务器向终端发送彩像业务数据。 为了提高通信可靠性, 对分组交换(Packet Switch, 简称为 PS )域业务 和电路交换 ( Circuit Switch, 简称为 CS ) 域业务都支持的终端可能需要在 PS域会话与 CS域会话之间进行切换,例如一台终端设备同时具备 LTE( Long Term Evolution, 长期演进)、 WCDMA ( Wide band Code Division Multiple Access, 宽带码分多址)、 GSM ( Global System for Mobile Communications , 全球移动通信*** ) /EDGE ( Enhanced Data Rate for GSM Evolution, 增强型 数据速率 GSM演进技术)接入能力, 当这样的终端先使用一种接入方式连 接到网络中并为用户提供 PS 域会话之后, 又根据测量到的信号判断出需要 切换到另一种接入网络上, 则与网络共同完成这种接入网络间的切换, 同时 保持会话不中断。 发明人发现相关技术中的来电提示方法若在终端正持续从网络接收彩像 资源数据并播放时发生接入切换, 则会造成终端彩像数据的接收中断, 出现 终端在接入切换时没有声音、 图像的现象, 从而导致被叫用户由于得不到来 电通 P , 而无法 认主叫用户, 甚至漏接来电。 发明内容 本发明旨在提供一种来电提示方法及装置, 能够解决相关技术中的来电 提示方法若在终端正持续从网络接收彩像资源数据并播放时发生接入切换,
则会造成终端彩像数据的接收中断, 出现终端在接入切换时没有声音、 图像 的现象, 从而导致被叫用户由于得不到来电通知, 而无法辨认主叫用户, 甚 至漏接来电的问题。 为了实现上述目的, 居本发明的一个方面,提供了一种来电提示方法, 包括以下步骤: 终端 ( User Equipment, 简称为 UE )接收来自彩像服务器 CRS AS ( Customized Ringing Signal Application Server, 定制振铃信号应用月艮 务器)的彩像数据, 并根据彩像数据播放彩像; UE判断该 UE是否完成接入 切换; 若已完成接入切换, 则 UE停止播放彩像, 并以本地振铃提示用户来 电。 优选地, 在上述方法中, UE 判断本 UE是否完成接入切换具体包括: UE判断 UE的呼叫处理状态是否发生改变。 优选地,在上述方法中, UE停止播放彩像具体包括: UE断开与 CRS AS 的业务连接; UE停止播放彩像。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体为: UE播放 用于提示用户来电的本地铃音文件。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体包括: UE以 振动来提示用户来电。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体包括: UE在 振动的同时播放本地铃音文件来提示用户来电。 为了实现上述目的, 根据本发明的另一方面, 还提供了一种来电提示装 置, 包括: 彩像播放模块, 用于 UE接收来自 CRS AS的彩像数据, 并根据 彩像数据播放彩像; 判断模块, 用于 UE判断 UE是否完成接入切换; 本地 振铃模块, 用于若已完成接入切换, 则 UE停止播放彩像, 并以本地振铃提 示用户来电。 优选地, 在上述装置中, 判断模块具体为: 状态判断单元, 用于 UE判 断本 UE的呼叫状态是否发生改变。 优选地, 在上述装置中, 本地振铃模块具体包括: 断开单元, 用于 UE 断开与 CRS AS的业务连接; 彩像停止单元, 用于 UE停止播放彩像; 本地 振铃单元, 用于 UE以本地振铃提示用户来电。
优选地, 在上述装置中, 本地振铃单元为以下之一: 铃音单元, 用于 UE 播放用于提示用户来电的本地铃音文件; 振动单元, 用于以振动来提示用户 来电; 铃音加振动单元, 用于 UE在振动的同时播放本地铃音文件来提示用 户来电。 本发明中, 当终端在接收并播放彩像时发生接入切换, 则终端在判断本 端接入切换完成后停止彩像业务, 转而以本地振铃来向用户提供来电信息, 由于在接入切换完成后终端主动停止了彩像业务, 而开始以本地振铃的提示 方式向用户提供来电信息, 使得用户即使在终端发生接入切换时仍然获知正 确的来电信息, 提高了来电提示的可靠性, 改善了用户体验, 所以克服了相 关技术中的来电提示方法若在终端持续从网络接收分组域的彩像资源数据并 播放的情况下进行接入切换, 会造成终端彩像数据的接收中断, 出现终端在 接入切换时没有声音、 图像的现象,从而导致被叫用户由于得不到来电通知, 而无法辨认主叫用户, 甚至漏接来电的问题。 附图说明 此处所说明的附图用来提供对本发明的进一步理解, 构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1示出了根据本发明第一实施例的来电提示方法的流程图; 图 2示出了才艮据本发明第二实施例的接入切换方法的流程图; 图 3示出了根据本发明第三实施例的彩像播放方法的流程图; 图 4示出了 居本发明第四实施例的来电提示方法的流程图; 图 5示出了根据本发明第五实施例的来电提示装置的结构图。 具体实施方式 下面将参考附图并结合实施例, 来详细说明本发明。 图 1示出了根据本发明第一实施例的来电提示方法的流程图, 该方法包 括以下步 4聚:
步骤 101 , UE接收来自 CRS AS的彩像数据,并根据彩像数据播放彩像; 步骤 102, UE判断本 UE是否完成接入切换; 步骤 103 , 若已完成接入切换, 则 UE停止播放彩像, 并以本地振铃提 示用户来电。 本实施例当终端在接收并播放彩像时发生接入切换, 则终端在判断本端 接入切换完成后停止彩像业务, 转而以本地振铃来向用户提供来电信息, 由 于在接入切换完成后终端主动停止了彩像业务, 而开始以本地振铃的提示方 式向用户提供来电信息, 使得用户即使在终端发生接入切换时仍然获知正确 的来电信息, 提高了来电提示的可靠性, 改善了用户体验, 所以克服了相关 技术中的来电提示方法若在终端持续从网络接收分组域的彩像资源数据并播 放的情况下进行接入切换, 会造成终端彩像数据的接收中断, 出现终端在接 入切换时没有声音、 图像的现象, 从而导致被叫用户由于得不到来电通知, 而无法辨认主叫用户, 甚至漏接来电的问题。 图 2示出了根据本发明第二实施例的接入切换方法的流程图, 本实施例 中的 UE为被叫终端, 该 UE首先以分组域接入, 在振铃的过程中发生接入 切换, 具体包括以下步骤: 步骤 201 ~ 204, 标准的 SIP ( Session Initiation Protocol, 会话初始协议 ) 会话, 此时 UE 正在振铃, 提示用户有语音来电会话, 其中 I/S-CSCF ( Interrogating/Serving Call Session Control Function )为查 i句 /月艮务呼叫会话控 制功能; 步骤 205 , 此时 UE由于位置发生改变, 收到网络的测试报告表明 CS网 络信号更好, 需要将 PS对话接入切换到 CS网络。 接入层网元, 比如 MME ( Mobility Management Entity , 移动性管理实体), 通知 MSC ( Mobile Switching Center, 移动交换中心 ) 需要接入切换, 由 MSC向 IMS网络发起 接入切换请求, MSC Server在会话接入切换其间指明它支持中间呼叫业务的 能力, 该接入切换请求比如是 SIP的 INVITE消息; 步骤 206,标准的 SIP路由过程, S-CSCF把接入切换请求转发到 SCC AS ( Service Centralization and Continuity Application Server, 业务集中制与连续 性应用服务器);
步骤 207, SCC AS收到接入切换请求后, 才艮据请求中的内容找到 UE正 在进行的语音呼叫进行更新, 主要更新 UE的媒体支持类型和地址; 此步骤 中 SCC AS也可根据媒体协商不更新远端媒体描述; 此时假设初始的媒体协 商在触发接入切换之前就完成了, 这样 SCC AS就能对远端进行更新; 步骤 208 , SCC AS提供来电的会话状态信息: 正在振铃状态, 此步骤中 会话状态信息可作为 SCC AS对 INVITE响应的消息的内容的一部分; 步骤 209, S-CSCF转发会话状态信息给 MSC Server; 步骤 210, MSC切换到相应的 CS呼叫 ^1犬态: 接收到呼叫; 步骤 210b, 与步骤 210同时进行, UE接收 HO ( Hand Over, 接入切换 ) 命令, 并判定 SIP会话的本地状态, 然后创建相应的 CS呼叫状态: 接收到 呼叫, UE继续提示用户有来电; 步骤 211 , 用户按键应答; 步骤 211b, UE转变状态为活动状态; 步骤 212, UE使用标准的 CS 过程, 发送 CS connect (连接) 消息到 MSC Server; 步骤 212b, MSC Server也转变状态为活动状态; 步骤 213 , MSC Server通知 SCC AS: 用户接听了呼叫; 步骤 214, 为标准过程: S-CSCF转发通知消息给 SCC AS; 步骤 215 , SCC AS创建相应的 SIP消息请求发给远端、 更新远端媒体描 述。 本实施例实现了在 UE振铃过程中的接入切换, 使得 UE始终与更适于 当前网络情况的网络连接, 保证了通信质量。 优选地, 在上述方法中, 步骤 102具体包括: UE判断本 UE的呼叫处理 状态是否发生改变。 本实施例中的 UE通过判断本 UE的呼叫处理状态是否发生改变来判断 接入切换是否完成, 如图 2中各步骤所示, 当 UE完成接入切换时, 其呼叫
处理状态必然改变, 故通过呼叫处理状态来判断接入切换的完成情况是可行 的。 比如 UE原本为用户提供 PS会话, 然而由于 UE的位置发生改变, 故当 前的网络测试结果显示 CS网络信号比 PS网络信号更好, 需要将会话从 PS 网络切换到 CS网络, 当 UE检测到自己的呼叫状态从原来的 PS呼叫状态切 换到 CS呼叫状态, 则认为接入切换已经完成。 这样做, 使得 UE对接入切 换是否完成的判断更加简单、 可靠。 优选地, 在上述方法中, 步骤 103具体包括: 若未完成接入切换, 则 UE 继续播放彩像。 本实施例为判断不进行切换接入的情况, 此时 UE仍继续接收并播放彩 像。 图 3示出了根据本发明第三实施例的彩像播放方法的流程图, 本实施例 为 UE无需进行接入切换的情况, 此时 UE在用户按键接听之前始终以播放 彩像的方式提示用户来电, 具体流程如下所示: 步骤 301 , 主叫终端 UE 1发出会话请求消息, 该请求消息到达核心网络 CN ( Core Network ), 其中所述会话请求消息比如是 SIP的 INVITE消息, 所 述核心网络比如是 x-CSCF, HSS ( Home Subscriber Server, 归属用户服务器 ) 等 IMS服务器设备, 通常在 HSS上的用户数据中设置彩像相关的参数, 由 S-CSCF根据 HSS中的用户数据, 判断路由, 把 INVITE消息先传递到彩像 服务器 CRS AS; 步骤 302, CN转发会话请求消息到 CRS AS, CRS AS执行本地的业务 逻辑, 并将会话请求消息经过 CN传递到被叫终端 UE2, 彩像资源的媒体描 述数据也可在此步骤中携带在会话请求消息中传递给 UE2; 步骤 303 , UE2在空闲时, 向 CN返回被叫空闲消息, 该消息到达服务 器, 其中所述被叫空闲消息比如是 SIP协议的 180正在振铃消息, 消息中携 带有 UE2的媒体描述数据; 步骤 304, CRS AS与 UE2建立媒体数据传送连接, 彩像数据被发送到 UE2, 此步骤中发送彩像数据的设备可以是彩像服务器***中的专门的媒体 设备,如专门存储彩像资源的媒体服务器,在彩像控制***的指示下,与 UE2 建立连接、 传递彩像媒体数据, UE2显示彩像媒体; 步骤 305 , CRS AS经 CN向 UE1发送被叫空闲消息, 该被叫空闲消息 比如是 SIP协议的 180消息;
步骤 306, 被叫用户按键接听后, UE2发送被叫应答消息, 该被叫应答 消息比如是 SIP协议的 200 OK消息; 步骤 307, CRS AS收到 UE2的被叫应答消息后, 停止 UE2传递彩像媒 体数据,经 CN向 UE1发送被叫应答消息,该被叫应答消息是 SIP协议的 200 OK消息; 步骤 308, UE1 接收到被叫应答消息, 发出会话建立确认消息, 经 CN 到达 CRS AS, 该会话建立确认消息比如是 SIP协议的 ACK消息; 步骤 309, CRS AS收到 UE1的会话建立确认消息,经由 CN转发给 UE2, 该会话建立确认消息是 SIP协议的 ACK消息; 步骤 310, 彩像业务结束, 主叫被叫通话。 本实施例通过终端与网络侧的消息交互与数据传输实现了以播放彩像的 方式向用户提示来电。 在 IMS***中, 播放彩像还有其它方法, 例如, 服务器将彩像资源的链 接 URL ( Uniform Resource Locator, 统一资源定位符 )在会话消息中传送给 终端, 由终端下载彩像资源并显示播放。 优选地,在上述方法中, UE停止播放彩像具体包括: UE断开与 CRS AS 的业务连接; UE停止播放彩像。 本实施例为判断接入切换已完成的情况, ;^时 UE通过断开与 CRS AS 的业务连接来停止接收彩像数据, 进而停止播放彩像, 这样做, 使得 UE在 确定进行接入切换后, 无需再处理彩像数据, 节约了 UE的资源, 实现了彩 像的适时停止。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体包括: UE播 放用于提示用户来电的本地铃音文件。 本实施例中 UE釆用播放本地铃音文 件的方式来提示用户, 由于本地铃音文件是 UE中固有的, 所以在发生网络 接入切换、 依赖于网络的彩像业务受影响时, 播放本地铃音文件, 提高了来 电提示的可靠性。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体包括: UE以 振动来提示用户来电。 本实施例中 UE釆用振动的方式来提示用户, 由于振
动是 UE中固有的, 所以在发生网络接入切换、 依赖于网络的彩像业务受影 响时, 釆用振动方式提高了来电提示的可靠性。 优选地, 在上述方法中, UE以本地振铃提示用户来电具体包括: UE在 振动的同时播放本地铃音文件来提示用户来电。 本实施例中 UE釆用振动加 铃音的方式来提示用户, 由于振动与铃音均是 UE中固有的, 所以在发生网 络接入切换、 依赖于网络的彩像业务受影响时, 釆用振动加铃音的方式提高 了来电提示的可靠性。 终端可 居用户预定的策略选择铃音、 振动、 或铃音加振动其中的一种 方式来进行来电提示。 图 4示出了根据本发明第四实施例的来电提示方法的流程图, 本实施例 中的 UE1为主叫, UE2为被叫, 该 UE2首先以分组域接入, 在播放彩像的 过程中发生接入切换, 具体包括以下步骤: 步骤 401 ~ 407, 为标准的有彩像业务 SIP会话, UE正在接收彩像数据 并播放, 提示用户有语音来电会话, 此时假设初始的媒体协商已经完成并且 终端已经开始播放彩像; 为达到彩像业务效果, 终端须播放来自网络的彩像 如声音、 文字、 图片、 视频等, 这时候终端本地的振铃音被抑制; 步骤 408 , 此时发生接入切换, MSC、 UE2各自变换状态, SCC AS负 责完成相应的锚定的会话的相关功能; 步骤 409 , UE2此时断开与 CRS AS的媒体数据连接, 不再从网络接收 媒体, 意味着 UE2不再播放 /显示彩像了, 为了达到提示用户有来电的效果, UE2打开本地铃音文件, 播放本地铃声、 提示用户, UE也可根据预先设定, 以振动方式或振动加铃音的方式来提示用户; 步骤 410, SCC AS更新远端; 步骤 411 , CRS AS停止发送彩像媒体数据; 步骤 412, 被叫用户接听应答, UE2发送 CS connect消息, 经 MSC转 换为 SIP消息到达 SCC AS; 步一像 413 ~ 416, 为标准的 SIP会话过程, 因为发生切换, 彩像在被叫应 答之前就已经结束了;
步骤 417, SCC AS转发会话建立确认消息, 经 MSC转换为 CS connect ACK消息到达 UE2; 步骤 418 , 主叫与被叫通话。 本实施例实现了 UE在接收彩像媒体、 发生接入切换时, 终端在接入切 换成功后, 转而播放本地的铃声提示用户, 既实现了彩像的正确播放, 也保 证了接入切换并能够提示用户来电。 图 5示出了根据本发明第五实施例的来电提示装置的结构图, 该装置包 括: 彩像播放模块 501 , 用于 UE接收来自 CRS AS的彩像数据, 并根据彩像 数据播放彩像; 判断模块 502 , 用于 UE判断本 UE是否完成接入切换; 本地振铃模块 503, 用于若已完成接入切换, 则 UE停止播放彩像, 并 以本地振铃提示用户来电。 本实施例中首先釆用彩像播放模块 501接收并播放彩像, 然后 UE釆用 判断模块 502判断本 UE是否完成接入切换, 若已完成接入切换, 则釆用本 地振铃模块 503停止彩像业务, 转而以本地振铃来向用户提供来电信息, 本 实施例当 UE在接收并播放彩像时发生接入切换, 则 UE在判断本端接入切 换完成后停止彩像业务, 转而以本地振铃来向用户提供来电信息, 由于在接 入切换完成后终端主动停止了彩像业务, 而开始以本地振铃的提示方式向用 户提供来电信息, 使得用户即使在终端发生接入切换时仍然获知正确的来电 信息, 提高了来电提示的可靠性, 改善了用户体验, 所以克服了相关技术中 的来电提示方法若在终端持续从网络接收分组域的彩像资源数据并播放的情 况下进行接入切换, 会造成终端彩像数据的接收中断, 出现终端在接入切换 时没有声音、 图像的现象, 从而导致被叫用户由于得不到来电通知, 而无法 辨认主叫用户, 甚至漏接来电的问题。 优选地, 在上述装置中, 判断模块 502具体可以包括: 状态判断单元, 用于 UE判断本 UE的呼叫状态是否发生改变。 本实施例中的 UE通过判断本 UE的呼叫状态是否发生改变来判断接入 切换是否完成, 如图 2中各步骤所示, 当 UE完成接入切换时, 其呼叫状态
必然改变, 故通过呼叫状态来判断接入切换的完成情况是可行的。 比如 UE 原本为用户提供 PS会话, 然而由于 UE的位置发生改变, 故当前的网络测试 结果显示 CS网络信号比 PS网络信号更好,需要将会话从 PS网络切换到 CS 网络, 当 UE检测到自己的呼叫状态从原来的 PS呼叫状态切换到 CS呼叫状 态, 则认为接入切换已经完成。 这样做, 使得 UE对接入切换是否完成的判 断更加简单、 可靠。 优选地, 在上述装置中, 本地振铃模块 503可以包括: 断开单元, 用于 UE断开与 CRS AS的业务连接; 彩像停止单元, 用于 UE停止播放彩像; 本 地振铃单元, 用于 UE 以本地振铃提示用户来电。 本实施例中 UE通过断开 与 CRS AS的业务连接来停止接收彩像数据, 进而停止播放彩像, 这样做, 使得 UE在确定进行接入切换后, 无需再处理彩像数据, 节约了 UE的资源, 实现了彩像的适时停止。 优选地, 在上述装置中, 本地振铃单元为以下之一: 铃音单元, 用于 UE 播放用于提示用户来电的本地铃音文件; 振动单元, 用于以振动来提示用户 来电; 铃音加振动单元, 用于 UE在振动的同时播放本地铃音文件来提示用 户来电。 本实施例中 UE根据用户预定的策略选择铃音、 振动、 或铃音加振动其 中的一种方式来进行来电提示, 由于本地铃音文件与振动均是 UE中固有的, 所以在发生网络接入切换、 依赖于网络的彩像业务受影响时, 播放本地铃音 文件或进行振动, 提高了来电提示的可靠性。 从以上的描述中, 可以看出, 本发明上述的实施例使得即使在 UE发生 接入切换时用户仍然获知正确的来电信息, 提高了来电提示的可靠性, 改善 了用户体险。 为了清楚起见, 这里没有示出和描述设备的所有的常规特征。 当然, 应 当理解, 在任何实际设备的研制中, 必需做出特定实现方式的决定以便实现 研制者的特定目标, 例如符合与应用及业务相关的约束, 这些特定的目标随 着不同的实现方式而变化, 并且随着不同的研制者而变化。 而且, 应当理解, 这种研制工作是复杂和耗时的, 但是尽管如此, 对于受到本发明公开内容启 发的普通技术人员而言所进行的技术工作是常规的。
根据这里描述的主题, 能够利用各种类型的操作***、 计算平台、 计算 机程序、 和 /或通用机器来制造、 操作和 /或执行各种部件、 ***、 装置、 处 理步骤和 /或数据结构。 此外, 本领域的普通技术人员将会明白, 也可以利用 不太通用的装置, 而不脱离这里公开的发明构思的范围和精神实质。 其中, 所包含的方法由计算机、 装置或机器执行, 并且该方法可以被存储为机器可 读的指令, 它们可以存储在确定的介质上, 例如计算机存储装置, 包括但不 限于 ROM (只读存贮器、 FLASH存储器、 转移装置等)、 磁存储介质(例如, 磁带、 磁盘驱动器等)、 光学存储介质(例如, CD-ROM、 DVD-ROM, 纸卡、 纸带等)以及其他熟知类型的程序存储器。 此外, 应当认识到, 该方法可以利 用软件工具的选择由人类操作者执行, 而不需要人或创造性的判断。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 或 者将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制 作成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软 件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领 i或的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的 ^"神和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。
Claims
1. 一种来电提示方法, 其特征在于, 包括以下步^
终端接收来自彩像服务器的彩像数据, 并根据所述彩像数据播放彩 像;
所述终端判断所述终端是否完成接入切换;
若已完成接入切换, 则所述终端停止播放彩像, 并以本地振铃提示 用户来电。
2. 根据权利要求 1所述的方法, 其特征在于, 所述终端判断所述终端是否 完成接入切换包括:
所述终端判断所述终端的呼叫处理状态是否发生改变, 如果是, 则 确定完成接入切换。
3. 根据权利要求 1所述的方法, 其特征在于, 所述终端停止播放彩像包括: 所述终端断开与所述彩像艮务器的业务连接;
所述终端停止播放彩像。
4. 根据权利要求 1所述的方法, 其特征在于, 所述终端以本地振铃提示用 户来电包括:
所述终端播放用于提示用户来电的本地铃音文件。
5. 根据权利要求 1所述的方法, 其特征在于, 所述终端以本地振铃提示用 户来电包括:
所述终端以振动来提示用户来电。
6. 根据权利要求 1所述的方法, 其特征在于, 所述终端以本地振铃提示用 户来电包括:
所述终端在振动的同时播放本地铃音文件来提示用户来电。
7. 一种来电提示装置, 其特征在于, 包括:
彩像播放模块, 用于终端接收来自彩像服务器的彩像数据, 并根据 所述彩像数据播放彩像; 判断模块, 用于所述终端判断所述终端是否完成接入切换; 本地振铃模块, 用于若已完成接入切换, 则所述终端停止播放彩像, 并以本地振铃提示用户来电。
8. 根据权利要求 7所述的装置, 其特征在于, 所述判断模块包括:
状态判断单元, 用于所述终端判断所述终端的呼叫状态是否发生改 变。
9. 根据权利要求 7所述的装置, 其特征在于, 所述本地振铃模块包括: 断开单元, 用于所述终端断开与所述彩像艮务器的业务连接; 彩像停止单元, 用于所述终端停止播放彩像;
本地振铃单元, 用于所述终端以本地振铃提示用户来电。
10. 根据权利要求 9所述的装置, 其特征在于, 所述本地振铃单元为以下之 铃音单元, 用于所述终端播放用于提示用户来电的本地铃音文件; 振动单元, 用于以振动来提示用户来电;
铃音加振动单元, 用于所述终端在振动的同时播放本地铃音文件来 提示用户来电。
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