[Freeswitch-users] originate command sofia behaviour

I will like to update the wiki to spell out clearly the differences between this three commands I have a IVR running in 4600 and the FS box has IP address 192.168.46.15 originate sofia/192.168.46.15/1001 4600 originate sofia/internal/1001@192.168.46.15 4600 originate sofia/internal/1001%192.168.46.15 4600 The first originate places a call as a external gateway, not until registered phone 1001 answers the call is transfer to 4600 The second and third originate command triggers extension 4600 Javascript IVR although 1001 has not answer Can anyone clarify me if this is the intended behavior also including the difference between % and @ /aep