exten => 1718,1,Set(GROUP()=CallCenterAgent)
exten => 1718,n,Set(GROUPCOUNT=${GROUP_COUNT(CallCenterAgent)})
exten => 1718,n,GotoIf($[{GROUPCOUNT] > 1]?104
exten => 1718,n,Macro(DID|${EXTEN}|20|otTwW|${EXTEN}@Progrexion_IT)
exten => 1718,104,Goto(1718-BUSY,1)
exten => 1718-BUSY,1,Busy(Busy)