[Nov 16 13:40:11] WARNING[16224] pbx.c: Already have an application 'ZapSendKeypadFacility'
[Nov 16 13:40:11] VERBOSE[16224] logger.c:   == Parsing '/etc/asterisk/zapata.conf':
[Nov 16 13:40:11] VERBOSE[16224] logger.c: Found
[Nov 16 13:40:11] ERROR[16224] chan_zap.c: Signalling must be specified before any channels are.

---------------------

/etc/asterisk/zapata.conf


[trunkgroups]

[channels]

usecallerid=yes
hidecallerid=no
callwaiting=no

threewaycalling=no
transfer=yes
echocancel=yes
echotraining=yes


context=incoming
signaling=fxs_ks
immediate=no

channel => 4

----------------------------


/etc/asterisk/extensions.conf

[globals]

[general]
autofallthrough=yes


[default]
exten => s,1,Answer()
exten => s,2,SayDigits(987654)
exten => s,3,Echo()

[incoming]

exten => s,1,Answer()
exten => s,2,Echo()