signaling said {HEAD ~ PBX} to connect said adapter through said {TAIL ~ PBX} to said voice message system, 
signaling said { HEAD ~ PBX } to connect said adapter through said { TAIL ~ PBX } to said voice message system ,
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH