[VoIP] Asterisk, Pulse dial and ZAP channel

Russ Price kxt at fubegra.net
Tue Mar 20 17:00:37 CST 2007


Lee Spenadel wrote:
> To answer John's question on the DTMF delay, the answer is yes - at least on
> my switch.  When I was testing the pulse/dtmf problem between my * box and
> SxS, when I monitored the channel via my butt set, the last dtmf digit was
> also delayed.

By listening very carefully, it's clear to me that the delay is the echo 
training sequence.  I can hear the very faint background noise go away 
during the echo training, and return immediately afterwards, when it's 
about to pulse the last digit.

	Russ
	CNET: 1-442-7877
	FWD: 699408


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