The EXP20 is designed to match the style & feel of the T27P & T29G advance IP phone handsets. Equipped with a large user-friendly LCD interface & 20 physical dual-colour LED keys, the EXP20 off ers simplifi ed user navigation & streamlines essential operational functions such as speed dial, BLF, BLA, call forwarding, transfer & hold. Up to 6 EXP20 expansion modules can be connected making it the ideal solution for receptionists, administrative assistants or contact centre workers who need to monitor & manage a large volume of calls on a regular basis. More than two units need to be powered by a conventional power supply.