Display:

4.3in LCD (480x272 pixel) resolution

GUI with animation Feature keys:

28 multifunctional line keys configurable as line registration, call appearance, speed dial, DSS, or BLF

Dual-color (red or green) illuminated LEDs for line status information

3 page keys in total for additional line appearances

Compatible VVX phone models:

• VVX 300/310
• VVX 400/410
• VVX 500
• VVX 600

Communication with host phone and/or other modules:

2x Auxiliary ports; SPI bus Expandability

Up to three VVX Expansion Modules can be attached to a host phone