• Display - 160 x 320 graphic LCD, 16-level grayscale, LCD backlight
• Keys - 20 physical dual-color LED keys, 20 additional keys through page switch, 2 independent control keys
• Physical - Stand with 2 adjustable angles, wall mountable
• Programmable - Up to 40 features
• Expandable - Supports up to 6 expansion modules, up to 240 additional buttons
• Compatibility - Designed to work with Yealink SIP-T46G IP Phone

The EXP40 expands the functional capability of your Yealink SIP-T46G IP Phone. Productivity-enhancing features include BLF/BLA, speed dialing, call forward, transfer, park, and pickup. Revolutionary new design coordinates seamlessly with the look and feel of the T46G. Rubber covers on the feet help prevent sliding. Note: a conventional power supply (5V/1.2A) is required if 3 connectioned units exceeded.