[channels]
; Wildcard TDM04B (inbound / outbound POTS to PSTN)
  signalling=fxs_ks
  context=from-external
  echocancel=yes
  echocancelwhenbridged=yes
  busydetect=yes
  musiconhold=default
  group=1
  channel => 1-4
  callprogress=no

; Sangoma A102 port 1 (internal T1 to stations)
  context=from-internal
  group=2
  signalling=fxo_ks
  channel => 5-28

; Sangoma A102 port 2 (outbound T1 to PSTN)
  context=from-internal
  group=3
  signalling=e&m
  channel => 29-52

  context=default
  usecallerid=yes
  hidecallerid=no
  callwaiting=yes
  usecallingpres=yes
  callwaitingcallerid=yes
  threewaycalling=yes
  transfer=yes
  canpark=yes
  cancallforward=yes
  callreturn=yes
  echocancel=yes
  echocancelwhenbridged=yes
  rxgain=0.0
  txgain=0.0
  callgroup=1
  pickupgroup=1
  immediate=no