For Nortel Meridian Systems
The Soundstation Premier 550D with external mics will provide crystal clear communication at the touch of a button. Just connect a SoundStation Premier 550D directly into a Meridian PBX digital wall jack. There is no need for an analog port, analog adapter, or complicated connections to take advantage of natural two-way conversations with Polycom's breakthrough, Acoustic Clarity Technology.
* Dependent upon Meridian configuration