HIS cable - HIS cable (for use with AVAYA 96xx phones)
HIC-1 cable - HIC-1 cable
The main difference between the AVAYA branded Wireless Headsets and the Plantronics branded Wireless Headsets is that the EHS Adapter is build in on the AVAYA branded Headsets. The Plantronics branded Wireless Headsets need the APT-3 Adapter to enable the EHS function on AVAYA phones.
There is no technical difference between the AVAYA and Plantronics branded Wired Headsets.
Warranty Information: The AVAYA branded Headsets have 2 years warranty