rapid:/home/leonardo# cat /etc/zaptel.conf
# Autogenerated by /usr/sbin/genzaptelconf -- do not hand edit
# Zaptel Configuration File
#
# This file is parsed by the Zaptel Configurator, ztcfg
#

# It must be in the module loading order


# Global data
fxsks=1
loadzone=es
defaultzone=us
rapid:/home/leonardo#


Please note, this is not the entire configuration. I cut some of the commented info to show in releation where chanells was located in the file.
--------------/etc/asterisk/zapata.conf--------------------------


;        trunkgroup  is the trunkgroup (specified above) for the mapping
;        logicalspan is the logical span number within the trunk group to use.
;                    if unspecified, no logical span number is used.
;
;spanmap => 1,1,1
;spanmap => 2,1,2
;spanmap => 3,1,3
;spanmap => 4,1,4

[channels]
context=default

signalling=fxs_ks
language=en

channel => 1
;
; Default context
;
;
;
; Switchtype:  Only used for PRI.
;
; national:       National ISDN 2 (default)
; dms100:         Nortel DMS100