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Description of the Polycom 550D EX (2305-06375-001)
For Definity 6400/7400/8400 Ports
The Polycom SoundStation Premier 550D Ex gives users the ability to experience Polycom's Acoustic Clarity Technology without the need from an analog port, adapter, or complicated connections. To use this device you only need to connect the SoundStation Premier 550D directly into a Definity ECS wall jack.
Acoustic Clarity Technology
Full Duplex System
Addition of two optional external microphones provides greater room coverage and expand-ability.
Direct access to your Avaya Definity's conferencing feature with ECS conferencing which allows quick and easy connections of up to 5 endpoints in a single conference call without using a conference bridging service.
The Premier 550D plugs directly into any voice port that supports the 6400, 7400, or 8400 series phones (with exception of the Call Master series).