{TAIL ~ The called extension number}, as it is dial pulsed to the PBX by the Central Office or sent on an E&M tie line as {HEAD ~ dial pulse} or DTMF, is monitored and accumulated by the adapter 
{ TAIL ~ The called extension number } , as it is dial pulsed to the PBX by the Central Office or sent on an E&M tie line as { HEAD ~ dial pulse } or DTMF , is monitored and accumulated by the adapter
TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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