[general]
static=yes
writeprotect=no

include => cellip-in

[globals]

[default]
include => cellip-out

exten => 200,1,Dial(SIP/200)
exten => 201,1,Dial(SIP/201)

[cellip-in]
exten => 1000,1,Dial(SIP/200&SIP/201)
exten => 1000,2,Hangup()

[cellip-out]
exten => _.,1,Dial(SIP/${EXTEN}@mysecretary)
exten => _.,2,Playback(invalid)
exten => _.,3,Hangup()