Electronic Hook Switch- communicates electronically with the phone, eliminating the need for a HL10 lifter.
For The Office, Headset Accessories, Home Office/SOHO, Other Headsets
APU-7 (Cisco) EHS 83017-01
$79.95
Works with the following products
CS70N
CS50
CS55
Voyager 510S
SupraPlus Wireless
WH210