Someone

pioneer:~# cat /etc/zaptel.conf
span=1,0,0,ccs,hdb3,crc4
bchan=1-12
dchan=16
defaultzone=us
[trunkgroups]
[channels]
language=en
context=default
switchtype=euroisdn
nsf=none
pridialplan=unknown
prilocaldialplan=unknown
internationalprefix =
nationalprefix =
unknownprefix =
resetinterval = 3600
overlapdial=yes
priindication = inband
signalling = pri_cpe
rxwink=300
usedistinctiveringdetection=yes
usecallerid=yes
useincomingcalleridonzaptransfer=yes
cidsignalling=bell
cidstart=ring
hidecallerid=no
callwaiting=yes
restrictcid=no
usecallingpres=yes
sendcalleridafter=0
callwaitingcallerid=yes
threewaycalling=yes
transfer=yes
canpark=yes
cancallforward=yes
callreturn=yes
echocancel=yes
echocancelwhenbridged=yes
echotraining=yes
relaxdtmf=yes
rxgain=2.0
txgain=4.0
immediate=no
adsi=yes
busydetect=no
busycount=6
callprogress=no
pulsedial=no
faxdetect=no
musiconhold=default
jitterbuffers=16
stripmsd=0
callgroup=2
pickupgroup=1
group=1
usecallingpres=yes
channel => 1-12
group=2
;usecallingpres=yes
;channel => 17-24
;group=3
;usecallingpres=yes
pioneer:~#