Classifications

• • H—ELECTRICITY
  • H04—ELECTRIC COMMUNICATION TECHNIQUE
  • H04W—WIRELESS COMMUNICATION NETWORKS
  • H04W36/00—Hand-off or reselection arrangements
  • H04W36/12—Reselecting a serving backbone network switching or routing node

Definitions

• the present invention relates to a service switching technology, and in particular, to a method, system, and central device for implementing service switching. Background technique
• Mobile Internet terminals include not only traditional PCs, laptops, mobile phones originating from mobile communication systems, netbooks, tablets, and Internet boxes that have appeared in recent years, but also handheld game consoles that have been introduced with new technologies. TV, mp4 player, etc.
• the field of mobile Internet terminals is a full-scale competition. From chip to operating system, there are a number of camps participating in the competition, occupying a considerable market share. The chips and operating systems of the camps are also frequently updated, resulting in massive mobile Internet terminal performance. Different and uneven, it poses a huge challenge to how to maintain the convenience of user operations.
• cloud computing technology can be adopted.
• the service provision mode is dynamically changed according to specific terminal characteristics, and the local resources of the terminal are fully utilized to ensure the convenience of operation and reduce the resource consumption of the server.
• various terminals are in a digital home environment, and various terminal devices in this environment constitute a communication subnet.
• this communication subnet there is usually a powerful central device to complete the interconnection and operation of each device and exercise network management control functions.
• the control capability of the central device is not utilized in the scenario of multi-terminal service switching. How to fully utilize the control capabilities of the central device, so that services are not interrupted when services are switched on different terminals, so as to ensure continuous service. Sex is an urgent problem to be solved. Summary of the invention
• the main purpose of the embodiments of the present invention is to provide a method and system for implementing service switching, and the service is not interrupted when the central device controls the service to switch on different terminals, so as to ensure continuity of services.
• a method for implementing service switching includes: the current terminal sends a service switching request to the central device, triggering a service switching; the central device submits a network service switching request to the server, and the server determines that the central device is allowed to perform network service switching.
• the service switching policy is determined by the central device; the central device controls the service switching according to the determined service switching policy.
• the at least one information included in the service switching request is a terminal capability, and further includes: at least one of the target terminal specified by the current terminal and the multi-terminal collaboration information;
• the terminal capability includes a terminal capability of the current terminal, a terminal capability of the designated target terminal, or a terminal capability of the terminal specified by the central device.
• the terminal capability is further obtained by the central device by means of a training target terminal.
• the server determines that the central device is allowed to perform network service switching, the party
• the method further includes: the central device acquiring a network service switching capability from the server; the network service switching capability at least includes: a terminal capability and a local service capability; the terminal capability includes a terminal capability of the current terminal, and a terminal of the designated target terminal The terminal capability of the terminal specified by the capability or central device.
• the local service capability is specifically:
• the central device has the capability of controlling the current terminal or the target terminal.
• the server determines a criterion for determining that the central device is allowed to perform network service switching, and includes at least one of the following methods:
• the current terminal and the target terminal are identified and verified, and the central device is allowed to perform network service switching when the identity identification and verification are passed;
• the local service capability of the central device supports the central device to perform network service switching when multi-terminal collaboration is supported.
• the service switching policy determined by the central device includes at least one of a service switching mode and a service running mode.
• the service switching mode includes: a local service switching, a network service switching, where the local service switching is specifically: the central device directly switches the service running on the current terminal to the target terminal through the central device;
• the network service switching is specifically as follows: After the target terminal establishes a service switching with the server by the central device, the central device then switches the service running on the current terminal to the target terminal through the central device.
• a system for implementing service switching comprising at least two terminal devices, the system further comprising: a central device and a server; wherein the type of the terminal device is classified into a current terminal for performing a service And the target terminal to which the service needs to be switched;
• the central device is configured to submit a network service switching request to the server after receiving the service switching request sent by the current terminal; after the network service switching is allowed, the central device determines the service switching policy; Describe the service switching policy, and control the service switching;
• the server is configured to determine whether to allow the central device to perform network service switching after receiving the network service switching request.
• the server is further configured to determine, according to the determining criterion, whether to allow the central device to perform network service switching, including at least one of the following manners:
• the current terminal and the target terminal are identified and verified, and the central device is allowed to perform network service switching when the identity identification and verification are passed;
• the local service capability of the central device supports the central device to perform network service switching when multi-terminal collaboration is supported.
• a central device that implements service switching, and the central device is configured to determine a service switching policy after triggering a service switching, and after performing the network service switching, and control the service switching according to the determined service switching policy.
• the central device is further configured to trigger the service switching by using a service switching request sent by the current terminal.
• the at least one information included in the service switching request is a terminal capability, and further includes: at least one of the target terminal specified by the current terminal and the multi-terminal collaboration information;
• the terminal capability includes a terminal capability of the current terminal, a terminal capability of the designated target terminal, or a terminal capability of the terminal specified by the central device.
• the central device is further configured to acquire the terminal capability by means of a training target terminal.
• the central device is further configured to determine the service switching policy, and at least one of a service switching mode and a service running mode.
• the central device is further configured to directly switch the service running on the current terminal to the target terminal by using the central device when the service switching mode is the local service switching; or
• the central device is further configured to: after the service switching mode is the network service switching, the target terminal first switches the service running on the current terminal to the server through the central device after the service switching is established between the central device and the server. On the target terminal.
• the current terminal sends a service switching request to the central device to trigger a service switching; the central device submits a network service switching request to the server, and after the server determines that the central device is allowed to perform the network service switching, the central device determines the service switching policy.
• the central device controls the switching of the service according to the determined service switching policy.
• the interaction between the central device and the server and the terminal, the division of labor and cooperation, and the control of the service switching, so that the services controlled by the central device are not interrupted when the services are switched on different terminals, and the continuity of the service can be ensured.
• FIG. 1 is a structural diagram of a multi-terminal service switching scenario according to an embodiment of the present invention
• FIG. 2 is a schematic diagram of an implementation process of an embodiment of a method according to an embodiment of the present invention. detailed description
• the current terminal sends a service switching request to the central device to trigger the service switching; the central device submits a network service switching request to the server, and after the server determines that the central device is allowed to perform the network service switching, the central device determines the service switching policy; Central equipment based The determined service switching policy controls the switching of the service.
• the embodiment of the present invention fully utilizes the control capability of the central device, works in cooperation with the server and the terminal device, reduces the pressure on the server and the terminal device, ensures the convenience of operation, and reduces the resource consumption of the server;
• the center device can also be fully utilized to ensure continuity of services when switching between different terminals.
• a service switching scenario of a multi-terminal includes three devices: a server, a central device, and at least two terminals, as shown in FIG. 1.
• the server and the central device may be servers in a traditional sense, or may be virtual servers adopting cloud computing technologies.
• a terminal refers to a device with a user interface (such as input and output) and communication capabilities, which can be a mobile phone, a game console, a PC, a laptop, a television, a music player, etc., or even a server, its main task. It is to interact directly with the user and present the business to the user.
• the terminal that is running the service is called “current terminal”, as shown in Figure 1 of the terminal 1; it is expected to switch the service to another terminal, which is called the “target terminal”, as shown in Figure 1.
• Terminal 2 the terminal that is running the service is called "current terminal”, as shown in Figure 1 of the terminal 1; it is expected to switch the service to another terminal, which is called the “target terminal”, as shown in Figure 1. Terminal 2.
• the current terminal and the target terminal may be one or more.
• the current terminal communicates with the server through the first network.
• the current terminal and the target terminal communicate with the central device through a local communication network, and the local communication network may be a local area network having a central device such as a home gateway or a WIFI hotspot.
• the server and the central device communicate through the second network.
• the second network may implement communication between servers based on any type and/or form of network, and may include any of the following networks: point-to-point network, broadcast network, wide area network, local area network, telecommunications network, data communication network, computer Network, Asynchronous Transfer Mode (ATM) networks, Synchronous Optical Network (SONET) networks, Synchronous Digital Hierarchy (SDH) networks, wireless networks, and wired networks.
• ATM Asynchronous Transfer Mode
• SONET Synchronous Optical Network
• SDH Synchronous Digital Hierarchy
• the server provides services for the current terminal, and when the service is switched, the central device is configured to perform service switching.
• the server includes mandatory and optional feature operations.
• a business module refers to a module that has a unique identifier (such as name, version number, etc.) that can perform a specific function.
• a service list is a summary of information about a service module, including the identity of the service module (such as a unique number), the service type, the name of the service module, the corresponding production company, the module version number, and the service level (security level, copyright protection level, The service priority, etc., the requirements of the service to run the carrier, etc., the service list shall follow a specific format, which is agreed in advance by the relevant parties such as the service provider, the server manufacturer, and the terminal manufacturer.
• the module's requirements for the ability to run the carrier refer to the most basic hardware and software resources required to run the carrier when running the module.
• the central device may be a service server, or may be a home gateway, a WIFI base station, or the like.
• the central equipment mainly obtains the terminal capability, the network service conversion capability, the local service capability, and completes the service switching decision and execution according to the current terminal requirements.
• the center device includes mandatory function operations and optional function operations.
• the terminal list is a summary of information about each terminal, including the terminal identifier, the model number of the terminal, the corresponding manufacturer, the terminal version number, the terminal level (security level, operation priority, etc.), the terminal capability, etc., and the terminal list must follow the specific The format, which is agreed in advance by the relevant parties such as service providers, server manufacturers, and terminal manufacturers.
• the terminal capability refers to the software and hardware resources that the terminal can provide for the running service, and the communication link form and transmission bandwidth between the terminals in the internal network.
• the current terminal/target terminal mainly performs the following functions:
• the central device can conveniently obtain the terminal capability of the current terminal through the interface of the internal network, or can obtain the terminal capability of all terminals by rotating the target terminal.
• the local service capabilities of the central device such as internal network communication capabilities, screen switching capabilities, codec capabilities, and online upgrade capabilities, enable local service switching.
• the central device is more convenient to organize resources and perform effective and flexible service switching.
• the central device is used as the main control for service switching.
• the central device can interact with the server first, and then obtain the network service switching capability, and then perform service switching decision and switch execution.
• the local service switching and network service switching of the central device can be taken into consideration, the service switching function is better provided, the switching process is optimized, the load of the server is reduced, and the switching efficiency is improved.
• Step 101 The current terminal is directed to the central device. Send a service switch request.
• the current terminal starts the service switching function to trigger the service switching request.
• the current terminal communicates with the server through the first network and communicates with the central device through the internal network.
• the service switching function includes switching the service from the first network to the second network and the internal network, or/and switching from the current terminal to the target terminal.
• the manner of starting the service switching function includes, but is not limited to: using any one of a program menu on the terminal, a physical entity button on the terminal, a virtual keyboard button on the terminal, and terminal voice control.
• the current terminal sends a service switching request to the central device, including terminal capabilities and services. Description.
• the terminal capability refers to software and hardware resources that the terminal can provide for running services, and communication link information between terminals in the internal network.
• the service description information refers to a description of related information of a certain service, and the information may be a pre-agreed service identifier, or detailed information such as a service name and a service type.
• the service switching request may further include a target terminal specified by the terminal.
• a terminal that wishes to switch the service can be selected in the candidate terminal list.
• the service switching request may also include multi-terminal collaboration information.
• Step 102 The central device submits a network service switching capability request to the server.
• the network service switching capability means that the central device can switch the service provided by the current terminal/target terminal from the first network to the second network.
• the central device submits a network service switching capability request to the server, and the server makes a decision according to the pre-set judgment criterion, and then the server notifies the center device of the decision result.
• the network service switching capability application includes at least the foregoing terminal capabilities and local service capabilities.
• the terminal capabilities include: current terminal information, specified target terminal information, or terminal information specified by the central device. It can be obtained by reporting the terminal capability of the current terminal, or by means of the central device rotating the target terminal.
• the local service capability refers to the ability of the central device to control the current terminal or target terminal, such as internal network communication capability, screen switching capability, codec capability, and online upgrade capability.
• the server determines whether to allow the central device to perform network service switching according to the first judgment criterion set in advance, that is, whether to allow the network service switching capability application submitted by the central device to provide the network service switching capability to the central device.
• the first criterion includes but is not limited to:
• Step 103 The server determines, by using the first determining criterion, that the central device is allowed to perform network service switching. After the central device obtains the network service switching capability from the server, the central device determines the service switching policy according to the second determining criterion set in advance.
• Business switching strategies include but are not limited to:
• the service switching mode can be divided into local service switching and network service switching.
• the network service switching refers to that the target terminal establishes a service switching with the server through the central device.
• Local service switching means that the central device does not change the existing business process, so that the current terminal service is switched to the target terminal through the central device.
• the service switching policy further includes:
• the central device has the network service switching capability, a new service connection can be established with the server, and the current terminal service can all be switched to the target terminal on the newly established service connection. Then, the target terminal re-establishes a service connection with the server through the central device, and the server transmits the service to the internal network through the central device, and then forwards the packet to the corresponding target terminal. The current terminal releases the original service link after the handover is completed.
• the central device has the network service switching capability, a new service connection can be established with the central device.
• the terminal service part is switched to the target terminal on the newly established service connection.
• the terminal re-establishes a service connection with the server through the central device, and the server transmits the service to the internal network through the central device, and then forwards the service to the corresponding current terminal or target terminal.
• the current terminal and the destination The target terminal synchronization is coordinated by the central device.
• the current terminal determines whether to release the original service link after the handover is completed according to service requirements.
• the server verifies that the terminal is legal or the central device does not have the network service switching capability.
• the central device performs service switching according to local capabilities, such as multi-screen applications such as video forwarding. For example, the mobile phone screen is displayed on the target terminal designated by the user through the forwarding of the center device.
• the server or the central device finds that the current capability of the target terminal is insufficient to support the handover of the service, the capability of the target terminal may be upgraded, and then it is determined whether the handover can be accepted.
• the central device or the server finds that the current remaining resources of the target terminal are insufficient to support the handover of the service, the resource usage of the target terminal may be adjusted, and then it is determined whether the handover can be accepted.
• Step 104 The central device completes the service switching according to the determined service switching policy.
• the central device forwards the service according to the local capability and performs the cross-screen application. For example, the mobile phone screen is displayed on the target terminal designated by the user through the forwarding of the center device.
• the central device needs to initiate a network service switching request to the server, and the server transmits the service to the internal network through the central device, and then forwards the message to the corresponding target terminal.
• the terminal service is switched to the target terminal in whole or in part.
• the server passes the service to the internal network through the central device and forwards it to the corresponding target terminal.
• the current terminal also needs to perform corresponding service switching; otherwise, the original service link is released after the handover is completed.
• the advantages of using the embodiment of the present invention are: being controlled by the central device, and the interaction between the central device, the terminal, and the server may be determined according to various conditions such as server service requirements, terminal capabilities, and terminal resource usage.
• the criterion is to determine whether the service can be switched from the current terminal to the target terminal. In the case that the target terminal capability or resources are insufficient, the capability or resource of the target terminal may be upgraded or adjusted in an instant to maximize the service switching of the user. Demand.
• the system for implementing service switching includes at least two terminal devices, and the system further includes: a central device and a server; wherein the type of the terminal device is divided into a current terminal that performs a service and a target terminal that needs to switch the service to .
• the central device is configured to submit a network service switching request to the server after receiving the service switching request sent by the current terminal; after the network service switching is allowed, the central device determines the service switching policy; The service switching policy controls the switching of services.
• the server is configured to determine whether to allow the central device to perform network service switching after receiving the network service switching request.
• the server is further configured to determine, according to the criterion, whether to allow the central device to perform network service switching, including at least one of the following:
• the current terminal and the target terminal are identified and verified, and the central device is allowed to perform network service switching when the identity identification and verification are passed;
• the local service capability of the central device supports the central device to perform network service switching when multi-terminal collaboration is supported.
• the central device that implements the service switching according to the embodiment of the present invention is configured to: after triggering the service switching, and allowing the network service to be switched, determining the service switching policy, and controlling the service switching according to the determined service switching policy.
• the central device is further configured to trigger the service switching by using a service switching request sent by the current terminal;
• the at least one information included in the service switching request is a terminal capability, and further includes: at least one of the target terminal specified by the current terminal and the multi-terminal collaboration information;
• the terminal capability includes a terminal capability of the current terminal, a terminal capability of the designated target terminal, or a terminal capability of the terminal specified by the central device.
• the central device is further configured to acquire the terminal capability by means of a training target terminal.
• the central device is further configured to determine the service switching policy, at least one of a manner of a service switching mode and a service running manner.
• the central device is further configured to directly switch the service running on the current terminal to the target terminal through the central device in the case that the service switching mode is the local service switching;
• the central device is further configured to: after the service switching mode is the network service switching, the target terminal first switches the service running on the current terminal to the server through the central device after the service switching is established between the central device and the server. On the target terminal.
• the user uses an Android smartphone
• the mobile phone manufacturer is A
• the mobile phone model is B100
• the terminal identification number is 3314570002
• a movie is being watched.
• the movie production company is N
• the movie name is FGH. The movie can only be streamed on the phone over the wireless cellular network.
• the user has a TV set at home, the manufacturer of the TV is RST, the TV model is T-S40, and the terminal identification number is 6868465342.
• the TV capability information CPU: Nvidia T30, RAM: 1G Byte, ROM: 32G Byte, Operating System: Android 4.0, Screen Resolution: 1920 x 1080, Resource Usage: No task running.
• the central device is the user's home gateway, and both the mobile phone and the television can communicate with the central device through the WIFI network.
• the service switching button After the user performs indoors from the outdoor, the user user presses the service switching button on the side of the mobile phone to switch the movie from the mobile phone to the television.
• the service switching process includes the following steps:
• Step 101 The mobile phone sends a handover request message to the central device.
• the message includes service description information (production company N, movie name FGH), current terminal description information (terminal identification: 3314570002, manufacturer A, terminal type: mobile phone, model: B100), designated target terminal identifier: (6868465342) .
• Step 102 The central device acquires the network service switching capability, and the server makes a decision according to the pre-set judgment criterion, and then the server notifies the central device of the decision result.
• the central device submits a network service switching capability application message to the server, where the message includes service description information (production company N, movie name FGH), current terminal description information (terminal identification: 3314570002, manufacturer A, terminal type: mobile phone, model: B100) ), target terminal description information (terminal identification: 6868465342, manufacturer RST, terminal type: TV, model: T-S40), local service capability (internal network communication capability: WIFI, codec capability: 1080P)
• the terminal capability meets the business requirements.
• a new service connection can be established with the central device, and the current terminal service can all be switched to the target terminal on the newly established service connection.
• Step 103 After the central device obtains the network service switching capability, the central device reads and stores the information according to the target terminal description information.
• the local TV capability information confirms that the hardware capability of the TV can support the playback of the movie, can be switched, and the playback resolution of the movie on the TV can be increased from 720P to 1080P.
• Step 104 The central device sends a service switching application to the server, requesting the server to increase the resolution to 1080P after the movie playing time T, and transmit the service to the central device, and the central device, the movie video and the sound are simultaneously transmitted to the television. .
• Step 105 After accepting the service switching application, the server agrees to perform service switching, and notifies the central equipment center equipment. After the server plays the time T from the movie, the resolution is increased to 1080P, and the service is transmitted to the central device, and the movie video and sound are simultaneously transmitted to the television by the central device. Machine.
• Step 106 The central device notifies the television to prepare to receive the service switching, and the center device determines to switch at the movie playing time T according to the current movie playing progress; the central device simultaneously transmits the movie video and sound to the television, and starts playing from the playing time T. .
• Step 107 After the TV switch is completed, the center device sends a service switching confirmation message to the mobile phone to release the original service link.
• Step 108 The server stops transmitting movie video and sound to the mobile phone, and the service switching is completed.
• Application example 2
• the user uses an Android smartphone
• the mobile phone manufacturer is A
• the mobile phone model is C100
• the terminal identifier is 3314258924
• a document Docl stored on the server is edited.
• the phone accesses the server over a cellular network.
• the user has a computer at home, the computer manufacturer is OPE, the computer model is T520, and the terminal identification number is 9377502589.
• the business switching process includes the following steps:
• Step 201 The mobile phone sends a service switching message to the central device, where the message includes service description information (service type: document editing, document name: Docl), current terminal description information (terminal identifier: 3314258924, manufacturer A, terminal type: Mobile phone, model: C100) and target terminal description information (terminal identification: 9377502589).
• service description information service type: document editing, document name: Docl
• current terminal description information terminal identifier: 3314258924, manufacturer A, terminal type: Mobile phone, model: C100
• target terminal description information terminal identification: 9377502589
• the user can click on the business cut option in the phone menu, and pop up the menu on the screen through the mobile phone to display the target terminal to be selected: computer, and select the computer as the target terminal.
• Step 202 The central device submits a network service switching capability application message to the server, where the message includes service description information (service type: document editing, document name: Docl), current terminal description information (terminal identifier: 3314258924, manufacturer A, terminal type) : Mobile phone, model: C100) and target terminal description information (manufacturer OPE, terminal type: computer, model: T520, Terminal identification: 9377502589).
• service description information service type: document editing, document name: Docl
• current terminal description information terminal identifier: 3314258924, manufacturer A, terminal type
• target terminal description information manufactured by manufacturer A.
• the server determines that the service cannot establish a new service connection through the central device.
• Step 203 The central device performs judgment according to the local capability, and performs service forwarding, and performs cross-screen application.
• the content of the mobile phone screen is displayed on the user-designated computer through the forwarding of the central device.
• Step 204 The central device reads the local computer capacity information according to the target terminal description information, and confirms that the computer does not support editing of the document format.
• Step 205 The central device pushes the module that supports the editing of the document format to the computer, and asks the computer to install the module.
• Step 206 The computer downloads the module according to the instructions of the central device and installs it. After the installation is successful and started, the central device is notified.
• Step 207 The central device notifies the computer to accept the service switching, and sends a service switching confirmation message to the mobile phone.
• Step 208 The central device pushes the document to the computer.
• Step 209 After the computer finishes editing, it is sent to the mobile phone through the central device.
• the online device can be forwarded through the central device to perform the cross-screen application, and the mobile phone screen service is forwarded to the user-specified computer through the central device.
• the user uses an Android smartphone, the mobile phone manufacturer is A, the mobile phone model is B100, and the terminal identification number is 3314570002. It is participating in the live selection of the TV program.
• the terminal can watch TV programs or switch. We watch the player's information and conduct on-site voting business.
• the phone accesses the server over a cellular network.
• the user has a TV set in his home.
• the manufacturer of the TV is RST
• the TV model is T-S40
• the terminal ID 6868465342.
• the TV capability information CPU: Nvidia T30, RAM: 1G Byte, ROM: 32G Byte, Operating System: Android 4.0, Screen Resolution: 1920 x 1080, Resource Usage: No task running.
• the central device is the user's home gateway, and both the mobile phone and the television can communicate with the central device through the WIFI network.
• the service switching process includes the following steps:
• Step 301 The mobile phone sends a handover request message to the central device.
• the message includes service description information (television channel N, program name), current terminal description information (terminal identification: 3314570002, manufacturer A, terminal type: mobile phone, model: B100), and target terminal description information (terminal identification: 6868465342 ).
• the user can click on the business cut option in the phone menu, and pop up the menu on the screen through the mobile phone to display the target terminal to be selected: TV, and select the TV as the target terminal.
• Step 302 The central device submits a network service switching capability application message to the server, where the message includes service description information (television channel N, program name), current terminal description information (terminal identifier: 3314570002, manufacturer A, terminal type: mobile phone, model) : B100 ), and target terminal description information (terminal identification: 6868465342, manufacturer RST, terminal type: TV, model: T-S40), local service capability (internal network communication capability: WIFI, screen switching capability: TV screen transfer Mobile phone screen, codec capability: 1080P,).
• the central device acquires the network service switching capability.
• the server verifies that the terminal is legal and can establish a new service connection with the central device.
• the WIFI network meets the business requirements and supports the TV screen to mobile phone screen function. It can realize multi-terminal cooperation work, switch audio and video content to the TV, and transmit the on-site voting service to the mobile phone.
• Step 303 The central device reads the local TV capability information according to the target terminal description information, confirms that the hardware capability of the television can support the playback of the movie, can be switched, and the playback clarity of the movie on the television can be The 720P of the mobile phone is increased to 1080P.
• Step 305 After accepting the service switching application, the server agrees to perform service switching, and sends a service switching confirmation to the central device.
• the server plays the time T from the movie, the resolution is increased to 1080P, and the service is transmitted to the center device, and the movie video and sound are simultaneously transmitted to the television set by the center device.
• the voting service is also transmitted to the central device, and transmitted to the mobile phone through the TV screen to the mobile phone screen function.
• Step 306 The central device notifies the television that it is ready to receive the service handover, and sends a service handover message to the mobile phone.
• Step 307 The mobile phone prepares to receive the service from the internal network, and performs switching at the movie playing time T to release the original service link.
• Step 308 The center device determines to switch at the movie playing time T according to the current movie playing progress; the center device simultaneously transmits the movie video and the sound to the television, starts playing at the playing time T; and at the same time, the corresponding player information and the game tidbits , the selection information is transmitted to the mobile phone.
• Step 309 The server stops transmitting movie video and sound to the mobile phone.
• the user views the program through the television and performs a voting operation through the mobile phone to complete the service switching.
• control of the central device causes the audio and video service to switch to the large-screen TV, and the information or voting is performed on the original small-screen mobile phone, ensuring business continuity and improving during the service switching process.
• the convenience of user operation is performed.
• the current terminal sends a service switching request to the central device to trigger a service switching.
• the central device submits a network service switching request to the server. After the server determines that the central device is allowed to perform network service switching, the central device determines the service switching policy. ; Central equipment is determined according to The business switching strategy controls the business switching.

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• 2013
  • 2013-01-11 CN CN201310011285.4A patent/CN103079241B/zh active Active
  • 2013-07-22 WO PCT/CN2013/079832 patent/WO2013167069A2/fr not_active Ceased

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