Unify OpenScape 4000 - Permanently Displayed Programmable Keys

26 Getting to know the OpenScape Desk Phone CP700/CP700X
Permanently displayed programmable keys
Key Function when key is pressed
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Activates the function shown next to the key on the display or dials a phone.
If there is no description next to the key, the key has not been programmed.
Long press activates key programming.