Snom VoIP Phone - Manual (Page 51)

Settings
51
Type of Answering
If auto answer is on, you can select how you would like to receive the
incoming call, i.e., in hands free mode or on the handset.
PRIVACY SETTINGS:
Presence Inactivity Timeout
This is the time after which, if there is no activity, presence is set to
“closed”. The default is 15 minutes. If it is set to 0, the presence stays
closed and nothing is published. In other words, presence is disabled
for all practical purposes.
Call Line Identification Presentation (CLIP)
Show or hide your own phone number when making a call.
Call Line Identification Restriction (CLIR)
Reject or accept anonymous incoming calls.
Setup Speed Dial
Speed Dial Table
Set up your speed dial numbers via this webpage.