Getting to know your telephone
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8.14.1 Add a contact to a speed-dial key
8.14.2 Delete programmed speed dial keys
Switching between calls (Broker call)
Diverting calls to your voice message service
Customizing and adjusting your telephone
8.27.2 Adjusting the ringer volume
How to dock your phone on the desk support
Presentation of the battery pack
Place or remove the battery in the telephone
Headphone / external microphone
Cleaning and disinfecting your telephone