Grandstream Networks GRP2602 - EHS HEADSET; RESTORE FACTORY DEFAULT SETTINGS; Restore factory settings using LCD menu; Restore to Factory Default via Web GUI

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GRP260x User Guide
Version 1.0.1.41
EHS HEADSET
The GRP260x supports normal RJ9 headset jack (allowing EHS with Plantronics & Jabra & Sennheiser
headsets).
Connect EHS Headset (Plantronics) to the GRP260x. To use headset mode, press headset button
on the phone. A headset icon will show on status bar. The EHS headset will ring when there is an
incoming call.