DE700 IP PRO Expansion Module, the Gigaset ZY700 offers : 14 progarmmable function keys per Expansion Module, expandable with maximum 3 modules for up to 42 function keys, each key can be programmed as Line, Speed Dial, Park + Orbit, Call Divert, Busy Lamp Field. Expand the IP Gigaset DE700 IP PRO system phone by up to 3 modules. Each module has 14 programmable function keys that can be programmed via Web interface for commonly used functions and short dial numbers. The white keyboard lighting is complemented by red functional LED's.