Hear every nuance on the Poly VVX 250 IP desk phone with quality audio featuring Poly HD Voice. And reduce distracting background noise at the source with Poly Acoustic Fence technology. Your phones stay cleaner for longer with integrated Microban® antimicrobial product protection [1] actively reducing the growth of bacteria 24/7. For todays office Quality sound is standard on the Poly VVX 250 IP desk phone. Youll appreciate all the smart features on non-stop call days, but equally love the color display. Its a win-win for todays office environments. Design Product colour Black Handset type Wired handset Product type IP Phone Phone features SIP registrar server Yes Full duplex Yes Number of VoIP accounts 16 Call park Yes Caller ID Yes Call hold Yes Call forwarding Yes Call pick up Yes Lines quantity 16 lines Display Backlight display Yes Touchscreen No Display resolution 320 x 240 pixels Display diagonal 7.11 cm (2.8") Display LCD Audio Voice activity detection Yes Comfort noise ge