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Technical Configuration (Analog/BRI)	MultiVOIP User Guide

Voice/Fax Parameter Definitions (cont’d)

Coder Parameters
Coder	Manual or	Determines whether selection of
	Auto-	coder is manual or automatic.
	matic	When Automatic is selected, the
		local and remote voice channels will
		negotiate the voice coder to be used
		by selecting the highest bandwidth
		coder supported by both sides
		without exceeding the Max
		Bandwidth setting. G.723, G.729, or
		G.711 are negotiated.

Selected	G.711 a/u	Select from a range of coders with
Coder	law 64	specific bandwidths. The higher the
	kbps;	bps rate, the more bandwidth is
	G.726, @	used. The channel that you are
	16/24/32	calling must have the same voice
	/40 kbps;	coder selected.
	G.727, @
	nine bps	Default = G.723.1 @ 6.3 kbps, as
	rates;	required for H.323. Here 64K of
	G.723.1 @	digital voice are compressed to
	5.3 kbps,	6.3K, allowing several simultaneous
	6.3 kbps;	conversations over the same
	G.729,	bandwidth that would otherwise
	8kbps;	carry only one.
	Net Coder
	@	To make selections from the
	6.4, 7.2, 8,	Selected Coder drop-down list, the
	8.8, 9.6	Manual option must be enabled.
	kbps

Max	11 – 128	This drop-down list enables you to
bandwidth	kbps	select the maximum bandwidth
(coder)		allowed for this channel. The Max
		Bandwidth drop-down list is
		enabled only if the Coder is set to
		Automatic.
		If coder is to be selected
		automatically (“Auto” setting), then
		enter a value for maximum
		bandwidth.