[macro-snap-catch]
          exten     =>   s,          1,            GotoIf($[ "${CALLERID(num)}" = "" ] ? noforward)
          exten     =>   s,          n,            GotoIf($[ ${ISNULL(${DB(${CALLERID(num)}/ForwardLimit)})} = 1 ] ? noforward)
          exten     =>   s,          n,            GotoIf($[ ${DB(${CALLERID(num)}/ForwardLimit)} == 0 ] ? noforward)
          exten     =>   s,          n,            GotoIf($[ ${DB(${CALLERID(num)}/ForwardUntil)} > ${EPOCH}] ? noforward)
          exten     =>   s,          n,            NoOp(Call caught)
          exten     =>   s,          n,            GotoIf($[${DB(${CALLERID(num)}/ForwardLimit)} == -1] ? calluser)
          exten     =>   s,          n,            Set(DB(${CALLERID(num)}/ForwardLimit) = $[ ${DB(${CALLERID(num)}/ForwardLimit)} - 1 ])
          exten     =>   s,          n,            Set(channel=${DB(${DB(${CALLERID(num)}/ForwardTo)}/Channel)})
          exten     =>   s,          n(calluser),  Dial(${channel},14,tT) ; maybe a goto instead?
          exten     =>   s,          n(noforward), NoOp(Caller not found in database, continuing dialplan)