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Our online glossary is here to help you make sense of the terminology used in the cell phone industry. It covers mobile technologies, such as 3G and 4G, and even includes a bit of information on smartphone operating systems and the companies that make the cell phones and other mobile technology devices we all use.

What is "H.263"?

H.263 is a compressed video codec that is often used for videoconferencing because of its low bitrate, and has become a standard to stream video over mobile networks. H.263 is a video only codec, with a separate codec needed to deal with audio.

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