chan_dahdi.conf

[trunkgroups]
; No trunk groups are needed in this configuration.

[channels]
; The channels context is used when defining channels using the ; older deprecated method. Don't use this as a section name.

[pstn-trunk]
dahdichan = 1
group=1
callgroup=1
pickupgroup=1

usecallerid=yes
ukcallerid=yes
callerid=asreceived
cidsignalling=v23
cidstart=polarity
sendcalleridafter = 2
useincomingcalleridondahditransfer=yes

;rxwink=300
usedistinctiveringdetection=no
callprogress=yes
progzone=uk
hidecallerid = no
callwaiting = no
threewaycalling = yes
transfer = yes
;echocancel = yes
;echotraining = yes
immediate = no
context = from-pstn
signalling = fxs_ks
hanguponpolarityswitch=yes

[local-analogue]
callerid=asreceived
dahdichannel = 2
usecallerid = yes
hidecallerid = no
callwaiting = no
threewaycalling = yes
transfer = yes
echocancel = yes
echotraining = yes
immediate = no
context = from-local
signalling = fxo_ks