Electronic Hook Switches (EHS) communicate electronically with your phone giving your wireless headset answer/end and ring alerts remotely.
The use of an EHS cable eliminates the need for an HL10 handset lifter.
Compatible with the following headsets:
CS500 Series: CS510, CS520, CS530, CS540, and all -XD variants
Savi Series: W710, W720, W730, W730, W740, W745 and all -M variants
Savi Series: W8210, W8220 and all -M variants
Compatible with the following phones:
Grandstream GXP 2124, 2200, 2130, 2130v2, 2140, 21604 & GXV 3240, 3275 and NEC DT820
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