; Zapata telephony interface
;
; Configuration file

[trunkgroups]

[channels]
context=default
switchtype=national
rxwink=300              ; Atlas seems to use long (250ms) winks
usecallerid=yes
hidecallerid=no
callwaiting=yes
usecallingpres=yes
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
group=1
callgroup=1
pickupgroup=1
signalling=pri_net ; pri_cpe = PRI slave ; pri_net = PRI master
switchtype=national
echocancel=yes ; You can set this to 32, 64, or 128, tweak to your needs.
echocancelwhenbridged=yes
echotraining=400 ; Asterisk trains to the beginning of the call, number is in milliseconds
callerid=asreceived
group=1
;context=default ; Points to the default context of your extensions.conf
channel =>  1-15,17-31 ; Set this to 1-15,17-31 for E1











[root@asterisk1 asterisk-1.0.9]#  ztcfg -v

Zaptel Configuration
======================

SPAN 1: CCS/HDB3 Build-out: 0 db (CSU)/0-133 feet (DSX-1)

31 channels configured.






zaptel.conf
span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16 
loadzone        = us
defaultzone     = us