[root@elastix asterisk]# more zapata.conf
[trunkgroups]

[channels]
language=en
echocancel=yes
echocancelwhenbridged=no
faxdetect=both

; Including file containing the suggested configuration
; generated by the hardware detector tool
; Remove this line if you don't want this feature
#include zapata-channels.conf;


and here:

[root@elastix asterisk]# more zapata-channels.conf
; Autogenerated by /usr/sbin/genzaptelconf -- do not hand edit
; Zaptel Channels Configurations (zapata.conf)
;
; This is not intended to be a complete zapata.conf. Rather, it is intended
; to be #include-d by /etc/zapata.conf that will include the global settings
;

; Span 1: WCTDM/0 "Wildcard TDM400P REV I Board 1"
;;; line="1 WCTDM/0/0"
signalling=fxs_ks
callerid=asreceived
group=0
context=from-pstn
channel => 1
context=default