Anthony Baxter (anthony@interlink.com.au)
Tue, 12 Dec 2000 09:50:17 +0000
>>> "Brian Cruickshank" wrote
> Glenn, I understand that MS-GSM is currently viewed as the codec of choice
> for VPIM but has this decision been finalized yet? I think a good case can
> be made for adopting the 'audio / basic' G.711 codec as a baseline VPIM
> codec.
I also have some concerns about the choice of MS-GSM as the default
codec.
G.711 is also supported on a far wider range of systems and devices. The
only system I can see that supports MS-GSM is Windows. G.711 is supported
out of the box on pretty much everything I can find. While the larger
file size is a nuisance, we're not talking about real-time communications
here - it's voicemail, and is batched.
Aside from the voice quality side, there's also the resource issue -
converting to MS-GSM is relatively expensive, and if the systems are
just going to convert it back again at the other end, this seems
somewhat foolish.
Has the patent/IP issue with GSM been resolved yet? Is MS-GSM a
published standard?
Anthony
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