Unify L30250-F600-C282 IP add-on module

OpenScape Key Module 55 - 12 additional freely programmable keys with LEDs; function, speed dial or line keys (multiple layers).
- Graphical LCD display for automatic key labeling.
- Available colors: dark grey.
- At most two Key Modules per telephone are possible.
- Wall mount operation with an additional kit for wall mount kit available für the OpenScape Desk Phone IP 55G.