Mine
public text v1 · immutable[callme]
exten => s,1,Wait(3)
exten => s,2,TxFax(${FAXFILE}|caller)
Channel: Zap/1/604xxxxxxx
MaxRetries: 1
RetryTime: 60
WaitTime: 40
Context: callme
Extension: s
Priority: 1
==============================================================
extentions.conf
[callme]
exten => s,1,Wait(3)
exten => s,2,TxFax(${FAXFILE}|caller)
Channel: Zap/1/604xxxxxxx
MaxRetries: 2
RetryTime: 60
WaitTime: 30
Context: callme
Extension: 800
Priority: 2
What is the extnetion part for?