3GP and 3G2 are 3G Mobile Phones Video formats designed for transmitting multimedia files on cellular phones. The 3G2 format is basically an updated version of the .3GP format used by cell phones for saving video files. The format is an audio/video format developed by the 3rd Generation Partnership Project 2 (3GPP2). 3G2 has some extensions and limitations in comparison to 3GP.
3GP is a required file format for video and associated speech/audio media types and timed text in ETSI 3GPP technical specifications for IP Multimedia Subsystem (IMS), Multimedia Messaging Service (MMS), Multimedia Broadcast/Multicast Service (MBMS) and Transparent end-to-end Packet-switched Streaming Service (PSS).
Key words: Cell Phone