EWP products feature foam rubber gaskets and boots, sealed connections, gel-filled butt connectors, as well as urethane or thermal plastic potted circuit boards with internally sealed, field-adjustable trim pots and DIP switches for easy on-site programmingSelf diagnostic reports via email (testing com, mic, speaker & switch)Automatic polling and programming software includedSIP compatible (see pg 2 for list of compatible IP-PBX phone systems)PoE powered (class 1, <4 watts)Automatic Noise Canceling (ANC) fe