21.5.3. Key Modules 
It is not possible to connect a key module to the OpenScape
Desk Phone IP 35G HFA.
Up to two key modules with electronic labels can be connected to the
OpenScape Desk Phone IP 55 G HFA.
Table 89. OpenScape key module 55
|
Device Type
|
Function
|
AMO Parameter
|
|
OpenScape Key Module 55
|
Key module with 12 free programmable function
keys (on 2 levels max.)
|
BEIGER
|