EXPANSION MODULE FOR POLY EDGE E400/E500 SERIES IP DESK PHONES Poly Edge E Expansion Module Previous Next Handles calls faster and makes contact management a breeze Large, high-res color 5-inch screen with programmable line keys Displays up to 66 possible contacts per module Fast, easy setup on Poly Edge E400 & E500 Series phones
22 Keys x 3 Pages = 66 Contacts on E400 - E550