Snom D305 Instructions page 4

9. Forward Call
i. To set up All Call Forward Mode
Press the Navigation Key UP
Press
Press
Press
Comfirm
ii. To set up Busy Call Forward Mode
Press the Navigation Key UP
Press
Press
Press
Comfirm
iii. To set up Time Limited / No Answer Mode
Press the Navigation Key UP
Press
Press
Press
(or choose "Call Forwarding")
(or choose "Target")
until the screen shows "Activate"
Press
(or choose "Call Forwarding")
(or choose "Target when Forwarding")
until the screen shows "Activate"
Press
(or choose "Call Forwarding")
(or choose "Call Forwarding Time")
(or choose "Target for Forwarding")
(or choose "Call Features")
Press
(or choose "Forward All")
Press
Input the target extension Number (e.g. 108)
(or choose "Call Features")
Press
Press
Input the target extension Number (e.g. 108)
(or choose "Call Features")
Press
Press
Input the No Answer Time (e.g. 20 seconds)
Input the target extension Number (e.g. 108)
(or choose "Forward when Busy")
(or choose "Forward after Timeout")