E-20-IP - Self diagnostic reports via email (testing com, mic, speaker & switch) - Automatic polling and programming software included - 2 amp relay contacts for door/gate or SL-2 strobe light control - SIP compatible - PoE powered (class 1,

- Self diagnostic reports via email (testing com, mic, speaker &amp; switch)<br />- Automatic polling and programming software included<br />- 2 amp relay contacts for door/gate or SL-2 strobe light control<br />- SIP compatible<br />- PoE powered (class 1, <4 watts)<br />- Automatic Noise Canceling (ANC) feature for proper operation in noisy environments<br />- VoIP eliminates the need for "Push to Talk" mode<br />- Network downloadable firmware<br />- Handsfree operation<br />- Programmable to dial up to 5 numbers on busy or ring no answer<br />- Cycles through backup phone numbers on busy or no answer<br />- Hangs up on busy signal, time-out or touch tone command<br />- Remotely programmable<br />- Extended temperature range (-30?F to 130?F)<br />- 3 different chassis or board only available<br />- Volume adjustments for microphone and speaker <br />- Optional PB-100 polling system available<br />- Optional SL-2 or BLK-4-EWP strobe light kit available