[dovid]

Exten => _X.,1,Set(__sending_channel=${CHANNEL})
Exten => _X.,2,Dial(SIP/${EXTEN}@fpp,60,gcU(do_dtmf_cc-take-call_2,s,1))
Exten => _X.,3,Noop(${FOO})
Exten => _X.,4,Playback(tt-monkeys)
Exten => _X.,5,Playback(tt-monkeys)

Exten => h,1,Noop(ABCDEFGHIJKLMNOPQRSTUVWXYZ)

[do_dtmf_cc-take-call]
Exten => s,1,AGI(agi://127.0.0.1:4579/update_call_status?status=60)
Exten => s,2,SendDtmf(123456)
Exten => s,3,Noop(>>>> SC >>>> ${sending_channel} <<<<)
Exten => s,4,Noop()
Exten => s,5,Background(/etc/cb/wav/incoming_cb_call)
Exten => s,6,Noop()
Exten => s,7,Goto(s,5)

Exten => _X,1,AGI(agi://127.0.0.1:4579/update_call_status?status=80)