The adapter will then go off hook to {HEAD ~ the PBX}, and the adapter will then dial pulse or DTMF the desired extension number that will call one of {TAIL ~ the group} of extensions connected to the VMS 
The adapter will then go off hook to { HEAD ~ the PBX } , and the adapter will then dial pulse or DTMF the desired extension number that will call one of { TAIL ~ the group } of extensions connected to the VMS
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 OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH