[scopserv-agent]
exten           => _X.,1,Set(GROUPCOUNT=$[${GROUP_COUNT(INCOMING@${EXTEN})} + ${GROUP_COUNT(OUTGOING@${EXTEN})}])
exten           => _X.,2,GotoIf($[${GROUPCOUNT} >= 1]?10)
exten           => _X.,3,Set(GROUP(${EXTEN})=INCOMING)
exten           => _X.,4,Set(TRANSFER_CONTEXT=scopserv-local-devices)
exten           => _X.,5,Goto(scopserv-local-devices,${EXTEN},1)
exten           => _X.,6,Hangup()
exten           => _X.,10,Congestion()
exten           => _X.,11,Hangup()