Hear ring tones, answer and end calls, adjust the volume or mute a call up to 350 ft. from your desk with this electronic hook switch adapter. Simple plug-and-play solution that converts from the DHSG standard used in Polycom phones to the DHSG standard used in Jabra headsets and vice versa. Improve work efficiency and ergonomics throughout the day with wireless freedom. For Use With: Jabra GN9350; Jabra GN9120 EHS; Jabra GN9120 DUO EHS; Polycom SoundPoint IP Phones 430, 550, 560, 650, 670.
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