# Create the call on group 2 dial lines and set up
#  some re-try timers
#
Channel: SIP/trunk/18005551212
MaxRetries: 2
RetryTime: 60
WaitTime: 30
#
# Assuming that your local extensions are kept in the
#  context called [extensions]
#
Context: trycall
Extension: 15125551212
Priority: 1
Set: CONFNUM=1234


[trycall]
exten => s,1,Wait(20)
;press 1 to accept 2 to reject 3 to transfer
exten => s,n,Playback(menu)
exten => s,n,Read(ACCEPT)
exten => s,n,Gotoif($[${ACCEPT} = 1] ?acceptGrpCall) ;connect
exten => s,n,Gotoif($[${ACCEPT} = 2] ?donotacceptGrpCall:donotacceptGrpCall) ;any thing else hangup
exten => s,n(acceptGrpCall),MeetMe(${CONFNUM}|Mcdp)
exten => s,n(donotacceptGrpCall),Hangup