EP2817961A1 - Système et procédé pour partager un contenu multimédia au moyen d'un récepteur de télévision pendant un appel vocal - Google Patents

Système et procédé pour partager un contenu multimédia au moyen d'un récepteur de télévision pendant un appel vocal

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Publication number
EP2817961A1
EP2817961A1 EP13717063.5A EP13717063A EP2817961A1 EP 2817961 A1 EP2817961 A1 EP 2817961A1 EP 13717063 A EP13717063 A EP 13717063A EP 2817961 A1 EP2817961 A1 EP 2817961A1
Authority
EP
European Patent Office
Prior art keywords
multimedia
terminal
server
television receiver
application server
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.)
Withdrawn
Application number
EP13717063.5A
Other languages
German (de)
English (en)
Inventor
Frederico ALEIXO DINIS LOPES
Nuno Emanuel FIGUEIREDO CARVALHO
Luís Alexandre SERRAS DE MOURA E SILVA
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.)
Wit-Software Consultoria e Software Para A Internet Movel SA
Original Assignee
Wit-Software Consultoria e Software Para A Internet Movel SA
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 Wit-Software Consultoria e Software Para A Internet Movel SA filed Critical Wit-Software Consultoria e Software Para A Internet Movel SA
Priority claimed from PCT/IB2013/051427 external-priority patent/WO2013124814A1/fr
Publication of EP2817961A1 publication Critical patent/EP2817961A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1069—Session establishment or de-establishment
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1073—Registration or de-registration
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/237—Communication with additional data server
    • 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]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/239—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests
    • H04N21/2393—Interfacing the upstream path of the transmission network, e.g. prioritizing client content requests involving handling client requests
    • 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
    • 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
    • H04N21/422—Input-only peripherals, i.e. input devices connected to specially adapted client devices, e.g. global positioning system [GPS]
    • H04N21/4223—Cameras
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6106—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network
    • H04N21/6137—Network physical structure; Signal processing specially adapted to the downstream path of the transmission network involving transmission via a telephone network, e.g. POTS
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/61—Network physical structure; Signal processing
    • H04N21/6156—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network
    • H04N21/6187—Network physical structure; Signal processing specially adapted to the upstream path of the transmission network involving transmission via a telephone network, e.g. POTS
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/632—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing using a connection between clients on a wide area network, e.g. setting up a peer-to-peer communication via Internet for retrieving video segments from the hard-disk of other client devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/14—Systems for two-way working
    • H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
    • H04N7/148—Interfacing a video terminal to a particular transmission medium, e.g. ISDN

Definitions

  • a system and a method for sharing multimedia content i.e. video, images, pictures, maps, positioning coordinates, contacts, calendars, events and alike
  • a multimedia call e.g. RCS, Rich Communications Suite
  • the method further includes the use of a Television receiver to display the multimedia content during the voice call with the legacy terminal.
  • the RCS specifications delivers an experience beyond voice and SMS by providing consumers with instant messaging or chat, live video sharing and file transfer across any device, on any network, with anyone in their mobile address book.
  • the RCS specifications are implemented on top of 3GPP IMS. Both the 3GPP IMS and RCS are heavily based on the SIP and SDP and protocol [7] [8]. Also, [1] and [5] further details how the SIP and SDP are implemented in IMS and RCS.
  • the disclosure comprises a method for exchanging multimedia content with a Television Receiver, during a voice call from a Multimedia Terminal to a Legacy Terminal, said Multimedia Terminal being able to exchange multimedia content, said method comprising:
  • Some embodiments, for receiving multimedia content with the Television Receiver, in the step above of receiving, by the Television Application Server, of an user command, further comprise:
  • the Communications Server receiving a request from the user of the Multimedia Terminal to exchange multimedia content between the Multimedia Terminal and the Legacy Terminal;
  • the Television Application Server notifying the Television Receiver to display the request for multimedia exchange request; - the Television Application Server receiving, through the Television Receiver, of the acceptance by the Legacy Terminal user of the request for multimedia exchange request.
  • the Television Application Server notifying the Television Receiver to display the request for multimedia exchange request through a Notification Server that provides a display of the request, either interrupting or in overlay or side-by- side of the current video being displayed by the Television;
  • the Notification Server notifying the Television Application Server of the acceptance by the Legacy Terminal user of the request for multimedia exchange request.
  • Some embodiments, in the step of establishing, by the Communications Server, of a multimedia channel, further comprise:
  • the Communications Server establishing the routing of the multimedia channel between the Multimedia Terminal and the Television Receiver through a Multimedia Distribution Server, wherein the Multimedia Distribution Server is connected to the Television Application Server;
  • the Television Application Server indicating the Multimedia Distribution Server to relay the multimedia channel between the Multimedia Terminal and the Television Receiver.
  • Some embodiments comprise when the Television Receiver detects being powered-on:
  • Some embodiments comprise when the Television Application Server detects the Television Receiver being powered-off:
  • the Communications Server no longer exposing availability for establishing multimedia calls between the Multimedia Terminal and said public identity of the Legacy Terminal and associated Television Receiver.
  • the voice call and the multimedia cha nnel share the same connection between the Multimedia Terminal and the Communications Server.
  • the multimedia channel is routed through the Communications Server;
  • the multimedia channel is routed from the Multimedia Terminal to the Television Receiver through a Multimedia Distribution Server connected to the Television Receiver.
  • the disclosure comprises a system for exchanging multimedia content with a Television Receiver, during a voice call from a Multimedia Terminal to a Legacy Terminal, said Multimedia Terminal being able to exchange multimedia content, the system comprising: - a Television Application Server being configured to associate the Television Receiver with the Legacy Terminal, and to store said association in an Association Table, the Television Application Server being connected to the Television Receiver;
  • Communications Server being configured to register said association, within the same public identity, the Communications Server being connected to the Multimedia Terminal and to the Legacy Terminal, said Communications Server being also connected to the Television Application Server;
  • the Communications Server being configured to expose availability for establishing multimedia calls between the Multimedia Terminal and the Legacy Terminal, in particular a Rich Communication Suite multimedia call availability;
  • the Television Application Server being configured to receive, during a voice call between the Terminal and the Legacy Terminal, of an user command to exchange multimedia content between the Multimedia Terminal and the Legacy Terminal, by way of the Television Receiver associated with the Legacy Terminal, said association having been previously stored in the Association Table of the Television Application Server;
  • the Television Application Server being configured to indicate to the Communications Server to establish a multimedia channel with the Multimedia Terminal when said user command is received;
  • the Communications Server being configured to establish a multimedia channel between the Multimedia Terminal and the Television Receiver whose association was previously registered to the Legacy Terminal, when said indication for the Television Application Server is received.
  • system is further configured to carry out any one of the above methods.
  • Some embodiments comprises a computer readable medium comprising the computer program comprising computer program code adapted to perform any of the above methods when said program is run on a data processor.
  • Figure 1 Schematic representation of a first preferred embodiment for multimedia sharing to a TV receiver during a voice call.
  • Figure 2 Schematic representation of method(s) for multimedia share during voice call in accordance with one or more embodiments.
  • Figure 3 Schematic representation of method(s) of the functional blocks for multimedia share during voice call in accordance with one or more embodiments.
  • Figure 4 Example notification for an authorization request to receive a video sharing
  • Figure 5 Example video captured from the camera of a Multimedia Terminal to a TV Receiver.
  • Figure 6 Schematic representation of method(s) for call interception between Household Terminal and Multimedia Sender
  • Figure 7 Schematic representation of signaling, voice and direct multimedia channels.
  • Figure 8 Schematic representation of signaling, voice and indirect multimedia channels.
  • the object of this invention is to provide a system and a method for sharing multimedia content with a television receiver during an active voice call between a multimedia terminal and a legacy terminal with no multimedia capabilities, for example an household terminal (home phone).
  • the multimedia terminal initiating the voice call can be any device like a mobile phone, tablet or Personal Computer that supports multimedia content sharing.
  • the originator user is able to send multimedia content to be displayed on the television of the household.
  • the mobile phone user is watching his son on a football match.
  • the user can initiate a voice call to his mother home phone and then request a video share from the mobile's terminal camera video feed to the grandmother's TV allowing the grandmother to watch her grandson playing while still taking with her son in realtime.
  • the mobile phone user is stuck in traffic trying to reach a friend's house in time for dinner.
  • the user can initiate a voice call to his friend and then request a GPS location share from his mobile's terminal to the friend's TV allowing the friend to track the user location on a map and redirecting him on an alternative route.
  • FIG. 1 illustrates an example system where a mobile multimedia terminal 500 establishes a voice call with a legacy phone 700 through a communications server 400 such as a mobile network operator server.
  • the call setup follows the 3GPP standards included in [1][2][3][4].
  • the mobile multimedia terminal 500 requests a video sharing session with the TV receiver 100 located on the same household of the legacy phone 700 through a TV application server 200.
  • the household TV then displays a notification allowing the user of the legacy phone 700 to accept the video sharing request on the TV receiver 100 triggering the mobile multimedia terminal 500 camera's video feed to be sent to the TV receiver 100 through the Multimedia Distribution server 300 while maintaining the voice channel between the mobile multimedia terminal 500 and the legacy phone 700.
  • the mobile phone can initiate image sharing, video sharing, location sharing while maintaining two separate media channel: voice channel and multimedia channel.
  • voice channel During the call setup between the Household Terminal 700 and the Multimedia Sender 500 a voice channel is established allowing both endpoints to transmit and receive audio.
  • multimedia content e.g. video
  • a different channel is setup and established to allow the Multimedia Sender 500 to send multimedia to the TV Receiver 100 as illustrated in the example figure 7 and in example figure 8.
  • FIG 7 and figure 8 illustrates an embodiment where the different signaling, voice and multimedia channels are established upon voice session and multimedia session setup.
  • the voice data is routed through the Media Gateway of the Mobile Network Operator while the multimedia data is routed through the Multimedia Distribution Server 300 deployed in communication network.
  • a different method is illustrated on figure 8, where the voice data and multimedia data are routed to the Media Gateway of a Mobile Network Operator and then split.
  • the voice channel is routed to the House Terminal 700 while the multimedia channel is routed to the Multimedia Distribution Server 200.
  • the signaling channel is used in the same way but is through signaling control data that the multimedia data can either be routed to the Media Gateway on the Mobile Network Operator or routed directly to the Multimedia Distribution Server 300.
  • the multimedia channel is requested by the Multimedia Sender 500 using SIP session setup [6] on what can be call Mobile Initiation Multimedia Channel.
  • the TV receiver can also notify the TV Application Server to establish a multimedia channel to the Multimedia Sender 500 on what can be called Network Initiation Multimedia Channel where the TV Application Server behaves as second Multimedia Terminal but instructs the Multimedia Sender 500 to transmit multimedia to the Multimedia Distribution Server 300.
  • the multimedia sharing can occur in the reverse direction, i.e. from a web camera or TV app through use of the TV receiver 100, to the mobile multimedia terminal 500.
  • the multimedia sharing is thus unidirectional, in either direction, but in other embodiments it may be bidirectional, when multimedia is exchanged simultaneously in both directions. In some embodiments, all directions are possible, depending on user preference, device capability, etc.
  • the illustrated example can be implemented in various embodiments that include more than one TV Application Server, more than one Multimedia Distribution Server and one or more Notification Server.
  • the Servers can communicate to any number of various TV receivers or any number of various multimedia senders.
  • the communication network(s) and communication network(s) server(s) 400 includes any type of data network, voice network, broadcast network, an IP-based network, a wide area network (e.g. the Internet), and/or a wireless network that facilities data and/or voice communications between any number of various media terminals.
  • Fig.2 illustrates example method(s) 215 for multimedia sharing to a TV receiver during a voice call and the order in which the method is described in not intended to be construed as a limitation, and any number of the described method blocks can be combined in any sensible order to implement the method, or an alternate method with the same result.
  • the method and system for multimedia sharing to a TV receiver during a voice call starts out from the status of the Multimedia Sender 500, or also referred as multimedia terminal, initiating a multimedia session while on voice call with the Household Terminal 700, or also referred as legacy terminal, as described in 201 and 202. While the voice call is routed through the telecommunications network, or also referred as communications network, to the Household Terminal 700, the multimedia session is established between the Multimedia Sender 500 and a Communications Server 400 through Session Initiation Protocol (SIP) and through Session Description Protocol (SDP) or any other session oriented transport protocol.
  • SIP Session Initiation Protocol
  • SDP Session Description Protocol
  • the standardized SIP and SDP protocols provide an application-layer control (signaling) protocol for creating, modifying, and terminating sessions with one or more participants. These sessions include Internet telephone calls, multimedia distribution, and multimedia conferences. SIP invitations used to create sessions carry session descriptions through SDP that allow participants to negotiate on a set of compatible media types. SIP makes use of elements called proxy servers to help route requests to the user's current location, authenticate and authorize users for services, implement provider call-routing policies, and provide features to users. SIP also provides a registration function that allows users to upload their current locations for use by proxy servers such the Communications Server.
  • the Communications Server 400 is deployed in the household terminal telecommunications home domain or in any server with internet connectivity. Furthermore, both the TV Receiver 100, through the Application Server TV, and the Household Terminal 700 can be registered and authenticated within the Communications Server 400.
  • the Multimedia Sender 500 informs the Communications Server 400 regarding the destination number of the active call, thus enabling the Communications Server 400 to discover the TV Receiver 100 identification associated with the Household Terminal 700 as detailed on the summary below.
  • the method for association between the Household Terminal 700 and the TV Receiver 200 can be implemented through call interception by the TV Application Server 200 between the Household Terminal 700 and the Multimedia Sender 500. Either terminal can initiate the voice call.
  • the process begins by the TV Receiver 100 requests the TV Application Server 200 to initiate the interception of incoming calls to the Household Terminal 700. This can be originated at the startup process of the TV Receiver 100 as described in 601 or based on a user event from the TV Application Server 200.
  • An example of such user event can be implemented through a configuration option on the TV or other device for the user to activate the multimedia sharing feature on the TV.
  • the TV Application Server 200 can be implemented by lookups services to provide information regarding the association between the TV Receiver 100 and the geographical landline number or, generically, the phone number of the Household Terminal 700.
  • the lookup service can consult an association table where the association between both devices, the Household Terminal 700 and the TV Receiver 100 was provisioned manually.
  • the lookup service can be implemented automatically by external sources.
  • the TV Receiver 100 can be provisioned with the ASDL ID or Device ID which can be directly mapped to the number of the Household Terminal 700.
  • the ADSL ID and Device ID are unique identifiers common on the telecommunications network operators systems.
  • the TV Application Server 200 will request the Communications Server 400 to intercept the voice calls between the Household Terminal 700 and the Multimedia Sender 500 as described in 604.
  • This can be implemented as an example using an IMS network as described in 605 where the TV Application Server 200 registers the correspondent geographical landline number or, generically, the phone number of the Household terminal 700 in the IMS network effectively exploring the IMS capabilities for identity sharing between different devices th rough the use of IP Multimedia Public Identities (IMPU).
  • IMPU IP Multimedia Public Identities
  • the TV Application Server 200 When the TV Application Server 200 successfully registers the correspondent phone number of the Household Terminal 700, it is ready to act as a multimedia device to intercept voice calls and negotiate the multimedia content to be delivered on the TV Receiver 100 summarized in 203.
  • the TV Application Server 200 can be implemented to act as a RCS client.
  • the TV Receiver 100 which is already registered and authenticated with the Communications Server (400) through the TV Application Server 200, then receives a request for multimedia sharing from the TV Application Server 200 through the Notifications Server 600 as described in 204 and 205. The request is then displayed on the Television, waiting for the household user to accept it as described in 206,
  • Figure 4 illustrates an example visual notification on the Television whenever a voice call is initiated from the Multimedia Sender (e.g. mobile phone, laptop PC) to the Household Terminal (e.g. fixed telephone).
  • This notification can be informative only (e.g. provide the contact information), but also allow the viewer to reject the call or reply with an SMS message, or any other feedback.
  • the TV Receiver 100 sends the response back to the TV Application Server 200 as described in 208 that in turn forwards it to the Communications Server 400 until it reaches the Multimedia Sender 500 as described in 209.
  • the Multimedia Sender 500 is ready to start sending multimedia content to the Multimedia Distribution Server 300 as described in 210 and 211.
  • the Multimedia Distribution Server 300 relays the media content to the TV Receiver 100 that in turn displays the content on the TV as described in 212 and 213.
  • the Multimedia Distribution Server 300 might need to change multimedia content in order to adapt it to the appropriate format supported by the TV Receiver 100.
  • sending multimedia content to the TV Receiver 100 can be further detailed through a process whereas once the user accepts an authorization request notification on the TV then a multimedia channel can be established between the Multimedia Server 500, or referred as the Multimedia Terminal, and the TV Receiver 100.
  • the multimedia content such as photos, videos and other media content, is delivered by the Multimedia Sender 500 to the Communications Server 400 which in turn relays the content to the TV Application Server 200.
  • the TV Application Server 200 forwards the multimedia content to the Multimedia Distribution Server 300 that can adapt the receiving content to an appropriate format through transcoding, for example converting PNG to JPEG, or converting MP4 to MPEG2 or other combinations).
  • the Multimedia Distribution Server 300 needs to know the characteristics of the TV Receiver 100 in order to generate the appropriate multimedia format to be sent to the TV Receiver 100. In the specific case of video content, the Multimedia Distribution Server 300 might need to do video transcoding in almost real-time. At this point, the Multimedia Distribution Server 300 informs the TV Application Server 200 regarding the location where the formatted content is available. The TV Application Server 200 then requests the Notification Server 600 to notify the TV Receiver 100 in order to launch the appropriate TV application and use the location containing the formatted content available from the Multimedia Distribution Server 300. As an example, Figure 5 illustrates a TV application where the video feed from the camera of the Multimedia Sender 500 is being displayed on the TV.
  • Some embodiments implement a method for multimedia sharing to a TV receiver during a voice call where two separate channels are identified; i) a signaling channel for session setup and ii) a multimedia channel for media content such video stream, audio stream, images and other media content.
  • Such example represents and out-of-band communication where call control information is in a separate channel from the data or voice stream and is a characteristic of the SIP and SDP protocols.
  • this example can also be implemented using other protocols with in-band communication (signaling and data using the same channel), or any other in-band protocol.
  • Figure 3 shows a household terminal device 700 that is able to register with the Communications Server 400 in order to receive voice calls through an IP Network 401. This device might have limited capabilities for receiving multimedia content, such as voice capabilities only, or the user might prefer to receive multimedia content on the TV Receiver 100.
  • the registration process allows the Communication Server to identify the device's IP address (location), its status (on call or ready to receive calls), its capabilities and other information required to maintain and manage a media session.
  • the Communications Server 400 is a device that receives the registrations requests over SIP protocol, or any other session oriented transport protocol from: (i) the Household Terminal Device 700, (ii) the Multimedia Sender 500 (iii) and the TV Receiver 100 through the TV Application Server 200.
  • the TV Receiver (100) is associated with the household terminal device 700.
  • the Communications Server 400 relays signaling and notifications between the TV Application Server (200) and the Multimedia Sender (500) also through SIP protocol or any other session oriented transport protocol.
  • the Multimedia Sender 500 is a device that registers with the Communications Server 400 and is able to share multimedia content.
  • the TV Receiver 100 is a device providing audio/video signals to the Television. This device can be detached from the Television through a wired/wireless connection or become integrated/built-in in the Television itself. This device uses an IP network 201; and it is able to run local and/or networked interactive applications that are sent by the Application Server 200, or also referred as TV Application Server. These interactive TV applications retrieve multimedia content (302), from the Multimedia Distribution Server 300, which is displayed on the Television. Multimedia content includes text, video, sound, images, pictures, maps, positioning, contacts, calendars, events and alike. [0063] Regarding the 201 interface between the TV Application Server 200 and the TV Receiver 100, it carries the following types of data:
  • Application logic either binary or text content (e.g. markup language like HTML-CE, MRML, HTML5), that is provided by the TV Application Server (200). Afterwards, it is processed and rendered by the TV Receiver 100.
  • binary or text content e.g. markup language like HTML-CE, MRML, HTML5
  • Data Application which includes user-data related (e.g. photo from the user that is sharing multimedia content) and application-specific data such as the application's User Interface.
  • user-data related e.g. photo from the user that is sharing multimedia content
  • application-specific data such as the application's User Interface.
  • the Notifications Server 600 is responsible for informing the TV Receiver 100 that Multimedia Sender 500 requested to share multimedia content.
  • the 601 interface carries the notification information about the incoming multimedia content. It can use a push and/or pull notification model.
  • the Notifications Server 600 can be implemented as a system that provides the capability to push messages to TV Receiver 100 but a polling method whereas the TV Receiver is periodically inquiring the 600 is also a valid alternative.
  • the 203 interface is used to handshake configurations (e.g. media format, IP port, capabilities, network resources, and all relevant information for multimedia data transmission) and allocate the appropriate resources on the Multimedia Distribution Server 300.
  • handshake configurations e.g. media format, IP port, capabilities, network resources, and all relevant information for multimedia data transmission
  • the Multimedia Distribution Server 300 is responsible for receiving the multimedia content from the Multimedia Sender (500) and delivering it to the TV Receiver 100 through the 302 interface.
  • the Multimedia Distribution Server 300 might require adapting multimedia content to be correctly displayed on the TV Receiver 100.
  • the content adaptation includes changes on containers, codec and delivery mode (i.e. transport). Additionally, it can also act as a proxy server for another Multimedia Distribution Server or any multimedia server.
  • the 302 interface delivers the multimedia content to the TV Receiver 100 taking into account the multimedia and network capabilities.
  • This interface can use any multimedia transport like HTTP, HLS, RTP (and variations), RTMP (and variations), Microsoft Smooth Streaming or other transport protocols.
  • the multimedia content formats, containers and codecs might be the following:
  • Text plain-text (with or without encoding).
  • Audio WMA, AC-3, AAC, MPEG-1 L2, MPEG-1 L3, MPEG2 LI, MPEG2 L2.
  • Video support for different containers and codecs such as:
  • the TV Application Server 200 and the Notifications Server 600 can be merged, depending on the underlying technology.
  • TV Receiver capabilities are negotiated with the Multimedia Sender 500 through the Communications Server 400 during the multimedia session setup.
  • This interface also carries the response for multimedia sharing authorization request by the Multimedia Sender 500 and notifications about availability of the multimedia content ready to be sent from the Communications Server 400 to the TV Application Server (200).
  • the preferred communication protocol for (204) interface is SIP but it can be any session oriented transport protocol.
  • IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3 IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3

Abstract

L'invention concerne un procédé et un système permettant d'échanger un contenu multimédia avec un récepteur de télévision, pendant un appel vocal d'un terminal multimédia à un terminal patrimonial, comprenant les étapes consistant à associer préalablement le récepteur de télévision au terminal patrimonial, stocker ladite association dans un serveur d'application de télévision connecté au récepteur de télévision et enregistrer ladite association, dans la même identité publique, par un serveur de communications connecté au terminal multimédia et au terminal patrimonial; le serveur de communications exposant une disponibilité pour établir des appels multimédia entre le terminal multimédia et ladite identité publique, en particulier une disponibilité d'appel multimédia de type "Rich Communication Suite". Lorsqu'un terminal IMS multimédia établit un appel vocal avec un terminal patrimonial exempt de capacité multimédia, il perd la possibilité, par exemple, de démarrer un appel vidéo ou une session de partage vidéo, en dépit de la conformité avec un réseau IMS. Un objectif est de trouver une solution à ce problème.
EP13717063.5A 2012-02-21 2013-02-21 Système et procédé pour partager un contenu multimédia au moyen d'un récepteur de télévision pendant un appel vocal Withdrawn EP2817961A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
PT2012106172 2012-02-21
PCT/IB2013/051427 WO2013124814A1 (fr) 2012-02-21 2013-02-21 Système et procédé pour partager un contenu multimédia au moyen d'un récepteur de télévision pendant un appel vocal

Publications (1)

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EP2817961A1 true EP2817961A1 (fr) 2014-12-31

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EP13717063.5A Withdrawn EP2817961A1 (fr) 2012-02-21 2013-02-21 Système et procédé pour partager un contenu multimédia au moyen d'un récepteur de télévision pendant un appel vocal

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EP (1) EP2817961A1 (fr)

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013124814A1 *

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