Snom M10 KLE User Manual page 61

General Call Settings
Setting
Anonymous Call Reject
Enable Anonymous Call
Do Not Disturb Settings
Setting
Enable DND
Call Forward Settings
Setting
Enable Call Forward
Always
Target Number
Enable Call Forward
Busy
Target Number
Enable Call Forward No
Answer
Target Number
Delay
Description
Select to block incoming calls that have no caller ID
Select to make outgoing calls that remove your own caller
ID information
Description
Turns Do Not Disturb on or off.
Description
Select to enable call forwarding for all calls on that account
Enter a number to which all calls will be forwarded
Select to enable call forwarding for calls when you are on
another call on that account
Enter a number to which calls will be forwarded when the
account is busy
Select to enable call forwarding for unanswered calls on that
account
Enter a number to which unanswered calls will be forwarded
Select the number of rings before
unanswered calls are forwarded
61
Range: 1 to 10 rings
Default: 6 rings