exten => *66,1,Answer
exten => *66,n,Wait(.2)
exten => *66,n,Macro(user-callerid,)
exten => *66,n(startread),Read(toext,speed-enternumber,,,,)
exten => *66,n,GotoIf($["foo${toext}"="foo"]?startread)
exten => *66,n,Wait(1)
exten => *66,n,Set(fromext=${AMPUSER})
exten => *66,n,Set(DB(AMPUSER/${fromext}/followme/grplist)=${fromext}-${toext}#)
exten => *66,n(hook_1),Playback(followme&for&extension)
exten => *66,n,SayDigits(${fromext})
exten => *66,n,Playback(is-set-to)
exten => *66,n,SayDigits(${toext})
exten => *66,n,Macro(hangupcall,)