exten => 229,1,Set(i=${EPOCH})
exten => 229,n(next),Set(test=${MATH(0+${i},int)})
exten => 229,n,Set(test2=$[0+${i}])
exten => 229,n,GotoIf($[${test} != ${test2}]?print)
exten => 229,n,Set(i=$[${i} + 1])
exten => 229,n,GotoIf($[${i} < $[${EPOCH} + 100000]]?next)
exten => 229,n,Hangup
exten => 229,n(print),Verbose(1,${test} != ${test2})
exten => 229,n,Hangup