You'll be thinking of either 3gp format for older phonesor MP4s on the newer fangled devices. Best bet is to look for the software designed for the phone. Although there is a Nokia Multimedia Developers kit available somewhere on teh interweb.
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Lazlo Woodbine Panowie!,
Tue 28 Feb 2006, 12:35,
archived)
Got something up there /\Thanks for the info...
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@stephenshortt Jaysus it's been a while!,
Tue 28 Feb 2006, 12:38,
archived)