the problem:
.[Mar  7 12:49:51] ERROR[8193]: chan_zap.c:9357 start_pri: Unable to open D-channel 55 (No such device or address)
[Mar  7 12:49:51] ERROR[8193]: chan_zap.c:11268 setup_zap: Unable to start D-channel on span 2


zaptel_hardware output:
Argument "IRQ" isn't numeric in numeric comparison (<=>) at /usr/share/perl5/Zaptel/Span.pm line 114.
pci:0000:00:09.0     wcte11xp+    e159:0001 Digium Wildcard TE110P T1/E1 Board
driver should be 'zaphfc' but is actually 'vzaphfc'
pci:0000:00:0b.0     zaphfc+      1397:2bd0 HFC-S ISDN BRI card

zaptel.conf:

span=1,1,0,ccs,hdb3,crc4
bchan=4-18,20-34
dchan=19
#bchan=17-31
#clear=1-24
loadzone=nl
#loadzone=be
defaultzone=nl

span=2,2,0,cas,ami
bchan=1-2
dchan=3
defaultzone=nl

zapata.conf:
[channels]
language=nl                             ; play dutch sound files if possible
context=incoming                        ; default context is incoming
;musiconhold=default                    ; uncomment to enable music on hold
switchtype=euroisdn                     ; euroisdn is used in the netherlands
pridialplan=unknown                     ; unknown is needed for the netherlands
prilocaldialplan=unknown                ; unknown is needed for the netherlands
signalling=pri_cpe
nationalprefix=0
internationalprefix=00
faxdetect=incoming

localprefix=010
privateprefix=24360

callwaiting=yes
callwaitingcallerid=yes
cancallforward=yes
usecallerid=yes
hidecallerid=no
usecallingpres=yes
echocancel=yes
echocancelwhenbridged=no
echotraining=yes
group=1
immediate=no
busydetect=no
busycount=3
callerid=asreceived
channel=>4-18
txgain=-3.0
;rxgain=6.5
;channel => 17-31

switchtype=euroisdn
signalling=pri_cpe
group = 2
context=misdn
channel=>32-33