[callback]
exten => s,1,Set(CALLREF=${CUT(DIALOUT|_|1)})
exten => s,n,Set(ANUMBER=${CUT(DIALOUT|_|2)})
exten => s,n,Set(NUMBER=${CUT(DIALOUT|_|3)})
exten => s,n,Set(ACCNO=${CUT(DIALOUT|_|4)})
exten => s,n,Set(RATEORIGIN=${CUT(DIALOUT|_|7)})
exten => s,n,Set(CALLNUMBER=${ODBC_FREE(select formatnumberdial(\'${ANUMBER}\'))})
exten => s,n,Set(CALLSTATUS=CONGESTION)
exten => s,n,Set(DIALGROUP=1)
exten => s,n,While($[${CALLSTATUS}=CONGESTION])
exten => s,n,Dial(Zap/g${DIALGROUP}/${CALLNUMBER}||M(callbackanswer^${CALLREF}^${ACCNO}^${ANUMBER}^${NUMBER}^${RATEORIGIN}))
exten => s,n,Set(CALLSTATUS=${DIALSTATUS})
exten => s,n,Set(CALLSTATUS=${IF($[${CALLSTATUS} = CHANUNAVAIL]?CONGESTION:${DIALSTATUS})})
exten => s,n,Set(DIALGROUP=${MATH(${DIALGROUP}+1,i)})
exten => s,n,GotoIf($[${DIALGROUP}>4]?h,1)
exten => s,n,EndWhile

[macro-callbackanswer]
exten => s,1,Set(CALLREF=${ARG1})
exten => s,n,Set(ACCNO=${ARG2})
exten => s,n,Set(ANUMBER=${ARG3})
exten => s,n,Set(NUMBER=${ARG4})
exten => s,n,Set(RATEORIGIN=${ARG5})
exten => s,n,NoOp(${ACCNO})
exten => s,n,Set(CHANA=${CUT(CHANNEL|/|2)})
exten => s,n,Set(TCA=${CUT(CHANA|-|1)})
exten => s,n,Set(TGA=${CUT(CHANA|-|2)})
exten => s,n,AGI(updatecall.agi)
exten => s,n,Goto(Stage2,dial,1)

[Stage2]

exten => dial,1,Set(NUMBER=${ODBC_FREE(select formatnumberdial(\'${NUMBER}\'))})
exten => dial,n,Set(CALLSTATUS=CONGESTION)
exten => dial,n,Set(DIALGROUP=1)
exten => dial,n,While($[${CALLSTATUS}=CONGESTION])
exten => dial,n,Dial(Zap/g${DIALGROUP}/${NUMBER}||HgM(callconnect^${CALLREF}^${ACCNO}^${NUMBER}^${RATEORIGIN}))
exten => dial,n,Set(CALLSTATUS=${DIALSTATUS})
exten => dial,n,Set(DIALGROUP=${MATH(${DIALGROUP}+1,i)})
exten => dial,n,GotoIf($[${DIALGROUP}>4]?dial,10)
exten => dial,n,EndWhile


[macro-callconnect]
exten => s,1,Set(CHANB=${CUT(CHANNEL|/|2)})
exten => s,n,Set(TCB=${CUT(CHANB|-|1)})
exten => s,n,Set(TGB=${CUT(CHANB|-|2)})
exten => s,n,Set(CALLREF=${ARG1})
exten => s,n,Set(ACCNO=${ARG2})
exten => s,n,Set(NUMBER=${ARG3})
exten => s,n,Set(RATEORIGIN=${ARG4}
exten => s,n,AGI(updatecall2.agi)