How to set up Polycom VVX Phone electronic hook switch for Sennheiser EPOS wireless headsets? Setting up a Polycom VVX phone electronic hook switch or "EHS" lead for EPOS / Sennheiser wireless headsets...
Best wireless headset for Yealink T53,T54,T55,T56,T57,T58 Finding the best wireless headset for a Yealink T5 SIP phone has just got easier! Mainly because Yealink... bluetooth DECT usb headsets wireless headsets