Description The AVer Expansion Speakerphone for VC520 Pro and VC540 gives you configuration flexibility. Regardless of your room design or seating arrangements, the daisy-chained expansion speakerphone can handle it. The Expansion Speakerphone’s full-duplex speakerphone ensures no more crowding around one speakerphone, now you can daisy-chain an additional speakerphone which can cover up to a 30ft diameter. The Speakerphone’s touch controls allow easy muting and volume control for the perfect audio experience while using echo cancellation. Daisy-chain Configuration Configure up to 3 Speakerphones (1 included in the VC520 Pro/VC540 bundle 2 expansion speakerphones) Flexible Design Use within a full-range of seating and table configuration: long single/multiple table, U-shaped seating/table, square seating/table Control Speakerphone Operation from Any Unit Full speakerphone controls available on all units within the chain, including mute/unmute, volume up/down, call answer, call hang-up
