P Entry Phone is designed to provide quick and reliable handsfree communication for SIP Vo - IP phone systems with Po - The E-30-IP entry phone can be programmed from any Touch Tone phone or PC on the same LAN, and dial up to 5 programmable numbers. - The E-30-IP entry phone will flash the "Call” LED during dialing and automatically light the LED when the call is answered. All programming parameters, including phone numbers and location numbers, are stored in non-volatile memory, requiring no batteries. All units are Po - E powered. - E powered (class 1, <4 watts) Automatic Noise Canceling (ANC) feature for proper operation in noisy environments