3
Introduction
» Mechanisms to remotely control the hook switch when using a wireless
headset:
– RHL (Remote Handset Lifter): Motor based,
works with almost all phones, no special
requirements on the phone side
– EHS (Electronic Hook Switch)
Requires common protocol to be supported by the phone & headset.
Different standard exists
– Bluetooth Connectivity
Requires native BT support in the phone, headset connects directly to phone
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