[asterisk-users] E&M signalling

Norbert Phillipps Norbert.Phillipps at twosigma.com
Sat Mar 14 13:46:17 CDT 2009


I'm trying to implement E&M type V over a T1 and have not had much luck. 

Type V sends 1's when on-hook and 0's when off-hook (for a little background) which is the reverse of type II, which is what the e&m keyword in zaptel.conf gives.

The closest I have gotten is to set the channels to cas or user in zaptel.conf (cas = 42-71:1111) which will send all 1's on-hook, but I can't find any keyword for Zapata.conf that will work with this.

Help is much appreciated

--Norbert



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