Polycom IP 4000 Conference Phone is designed for offices or small to medium sized conference rooms, the Sound Station IP 4000 SIP provides remarkable room coverage. The optional extension micro-phones offer an increased pickup for larger rooms. Plus, with gated microphone technology, echo and background noise is almost entirely eliminated.
The Sound Station IP 4000 SIP also provides familiar features that are easy to use. The menu driven user interface, viewable on a high-resolution backlit LCD, offers convenient access to business telephony functions you use most including transfer, hold, redial, and conference.