---- zaptel.conf ----

span=1,1,0,ccs,hdb3,crc4
bchan=1-15,17-31
dchan=16


---- zapata.conf ----

[channels]
  2 
  3 language=it
  4 context=default
  5 switchtype=euroisdn
  6 pridialplan=unknown
  7 signalling=pri_cpe
  8 usecallerid=yes
  9 hidecallerid=no
 10 callwaiting=yes
 11 usecallingpres=yes
 12 callwaitingcallerid=yes
 13 threewaycalling=yes
 14 transfer=yes
 15 cancallforward=yes
 16 callreturn=yes
 17 echocancel=yes
 18 echocancelwhenbridged=yes
 19 echotraining=yes
 20 callprogress=no
 21 relaxdtmf=yes
 22 rxgain=7.0
 23 txgain=7.0
 24 callerid=asreceived
 25 group=1
 26 callgroup=1
 27 pickupgroup=1
 28 overlapdial=yes
 29 immediate=no
 30 nationalprefix=0
 31 internationalprefix=00
 32 
 33 group = 1
 34 
 35 channel => 1-15
 36 channel => 17-31