[asterisk-dev] ztscan checks __ZT_SIG_DACS for a digital span

Kevin P. Fleming kpfleming at digium.com
Thu Jan 31 11:25:58 CST 2008

Tzafrir Cohen wrote:

> However, I wonder if there's not a better and more direct check. I don't
> think that the BRI module should even have that capability.

I could find any other way of reliably detecting a digital span. I'm
fine with adding some sort of flag to the span that ztscan can use; now
that ztscan is in the Zaptel tree it's easy to upgrade them together.

On the subject of supporting DACS; any digital span with more than one
channel should support DACS mode if at all possible. It's the only way
to do zero- (or minimal) latency digital switching between channels.

Kevin P. Fleming
Director of Software Technologies
Digium, Inc. - "The Genuine Asterisk Experience" (TM)

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