Connecting Older Wireless Headsets to Polycom Phones with a 2.5mm Plug to Modular Cable
Over a year ago, Plantronics designed a couple of electronic hook switch (EHS) cables to connect their wireless headsets to many of the Polycom phones instead of using the traditional handset lifter. Unfortunately, there are a few models (IP320, 321, 330, 331) where it’s impossible to connect the headset or EHS cable directly to the … Continued