Top Five Plantronics Headsets/Headset Accessories – August 2012 1) A10- Direct Cable – The A10 cable is one of several quick disconnect cables that are necessary for your Plantronics H-Series headset to work with your specific phone. If you aren’t sure which cable to buy, give us a call at 800-914-7996, and we will do a compatibility check for you. 2) HL10 Handset … Continued