{TAIL ~ The VMS} will be responsible for its normal function of telling {HEAD ~ the caller} that the called extension was not available and recording a message for the extension called 
{ TAIL ~ The VMS } will be responsible for its normal function of telling { HEAD ~ the caller } that the called extension was not available and recording a message for the extension called
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH