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- Peer-to-peer video sharing is a basic service on top of the IP Multimedia Subsystem (IMS).Early proprietary implementations might also run a simple SIP infrastructure, too. The GSM Association calls it "Video Share". The peer-to-peer video sharing functionality is defined by the Phase 1 of the GSMA Video Share service.For a more detailed description of the full GSMA Video Share service, please see the Wikipedia entry for Video Share. The most basic form is typically connected to a classical circuit-switched (CS) telephone call.While talking on the CS line the speaker can start in parallel a multimedia IMS session. The session is normally a video stream, with audio being optional (since there is an audio session already open on the CS domain). It is also possible to share photos or files. Actually, P2P video sharing does not require a full IMS implementation. It could work with a pure IETF Session Initiation Protocol (SIP) infrastructure and simple HTTP Digest authentication.However, mobile operators may want to use it without username/password provisioning and the related frauds problems. One possible solution is the Early IMS Authentication method.In the future USIM/ISIM based authentication could be introduced, too.So the IMS adds up extra security and management features that are normally required by a mobile operator by default. (en)
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- Peer-to-peer video sharing is a basic service on top of the IP Multimedia Subsystem (IMS).Early proprietary implementations might also run a simple SIP infrastructure, too. The GSM Association calls it "Video Share". The peer-to-peer video sharing functionality is defined by the Phase 1 of the GSMA Video Share service.For a more detailed description of the full GSMA Video Share service, please see the Wikipedia entry for Video Share. (en)
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- Peer-to-peer video sharing (en)
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