Subject: RE: re: [ipcdn] Re: IETF IPCDN Signaling MIB - Draft 3 - Last Cal l for Comments

From: Beacham Gordon-CGB005 <[email-masked]>
Date: Mon, 26 Jan 2004 16:21:08 -0800

Regarding statement (6):

According to the PC Codec spec:

4.4.3 Voice Activity Detection (VAD) 
A vendor MAY employ VAD to reduce bandwidth consumption. If employed, this capability MUST be optional, allowing disabling. Some codecs have associated VAD implementations (e.g. G.729B), while many others do not (e.g. G.711 and G.728). In the latter cases, the VAD implementation MUST adhere to the IMTC Voice-Over-IP Forum Service Interoperability Implementation Agreement 1.0, dated December 1, 1997 [5]. 

If you are proposing a PC spec change, please raise the issue on the appropriate PC reflector and via the ECN process as necessary.

>(6) pktcSigDevSilenceSuppression: per codec is better
>>> snip

Gordon Beacham
Digital Core Gateways, BCS
Motorola, Inc.
858-404-2335
[email-masked]

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