Zapata.conf:
;
; Zapata telephony interface
;
; Configuration file

[channels]
;
; Default language
;
;language=en
;
; Default context
;
;
switchtype = euroisdn

; p2mp TE mode (for connecting ISDN lines in point-to-multipoint mode)
;signalling = bri_cpe_ptmp
; p2p TE mode (for connecting ISDN lines in point-to-point mode)
;signalling = bri_cpe
;p2mp NT mode (for connecting ISDN phones in point-to-multipoint mode)
signalling = bri_net_ptmp
; p2p NT mode (for connecting an ISDN pbx in point-to-point mode)
;signalling = bri_net

pridialplan = local
prilocaldialplan = local
nationalprefix = 0
internationalprefix = 00

echocancel = yes


context=internal
group = 1
; S/T port 1
channel => 1-2

group = 2
; S/T port 2
channel => 4-5

group = 3
; S/T port 3
channel => 7-8

group = 4
; S/T port 4
channel => 10-11


Zaptel:
loadzone=no
defaultzone=no
# qozap span definitions
# most of the values should be bogus because we are not really zaptel
span=1,1,3,ccs,ami
span=2,0,3,ccs,ami
span=3,0,3,ccs,ami
span=4,0,3,ccs,ami

bchan=1,2
dchan=3
bchan=4,5
dchan=6
bchan=7,8
dchan=9
bchan=10,11
dchan=12





Jun 13 18:38:09 DEBUG[7767]: Unable to find key '210' in family 'IAX/Registry'
Jun 13 18:38:09 VERBOSE[7767]:   == Registered channel type 'IAX2' (Inter Asterisk eXchange Driver (Ver 2))
Jun 13 18:38:09 VERBOSE[7767]:   == Using TOS bits 0
Jun 13 18:38:09 VERBOSE[7767]:   == IAX Ready and Listening on 0.0.0.0 port 4569
Jun 13 18:38:09 VERBOSE[7767]:   == Loaded firmware 'iaxy.bin'
Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/iaxprov.conf': Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/iaxprov.conf': Not found (No such file or directory)
Jun 13 18:38:09 NOTICE[7767]: No IAX provisioning configuration found, IAX provisioning disabled.
Jun 13 18:38:09 VERBOSE[7767]:  [chan_local.so]Jun 13 18:38:09 VERBOSE[7767]:  [chan_local.so] => (Local Proxy Channel)
Jun 13 18:38:09 VERBOSE[7767]:   == Registered channel type 'Local' (Local Proxy Channel Driver)
Jun 13 18:38:09 VERBOSE[7767]:  [chan_skinny.so]Jun 13 18:38:09 VERBOSE[7767]:  [chan_skinny.so] => (Skinny Client Control Protocol (Skinny))
Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/skinny.conf': Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/skinny.conf': Not found (No such file or directory)
Jun 13 18:38:09 NOTICE[7767]: Unable to load config skinny.conf, Skinny disabled
Jun 13 18:38:09 VERBOSE[7767]:   == Registered channel type 'Skinny' (Skinny Client Control Protocol (Skinny))
Jun 13 18:38:09 VERBOSE[7767]:  [skipping chan_oss.so]
Jun 13 18:38:09 VERBOSE[7767]:  [chan_phone.so]Jun 13 18:38:09 VERBOSE[7767]:  [chan_phone.so] => (Linux Telephony API Support)
Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/phone.conf': Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/phone.conf': Found
Jun 13 18:38:09 VERBOSE[7767]:   == Registered channel type 'Phone' (Standard Linux Telephony API Driver)
Jun 13 18:38:09 VERBOSE[7767]:  [skipping chan_alsa.so]
Jun 13 18:38:09 VERBOSE[7767]:  [chan_zap.so]Jun 13 18:38:09 VERBOSE[7767]:  [chan_zap.so] => (Zapata Telephony)
Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/zapata.conf': Jun 13 18:38:09 VERBOSE[7767]:   == Parsing '/etc/asterisk/zapata.conf': Found
Jun 13 18:38:09 WARNING[7767]: Ignoring switchtype
Jun 13 18:38:09 ERROR[7767]: Unknown signalling method 'bri_net_ptmp'
Jun 13 18:38:09 WARNING[7767]: Ignoring pridialplan
Jun 13 18:38:09 WARNING[7767]: Ignoring prilocaldialplan
Jun 13 18:38:09 WARNING[7767]: Ignoring nationalprefix
Jun 13 18:38:09 WARNING[7767]: Ignoring internationalprefix
Jun 13 18:38:09 ERROR[7767]: Signalling must be specified before any channels are.
Jun 13 18:38:09 WARNING[7767]: chan_zap.so: load_module failed, returning -1
Jun 13 18:38:09 VERBOSE[7767]:   == Unregistered channel type 'Tor'
Jun 13 18:38:09 VERBOSE[7767]:   == Unregistered channel type 'Zap'
Jun 13 18:38:09 WARNING[7767]: Loading module chan_zap.so failed!