Aastra 53i IP Phone User Manual page 121

For Per-Line Call Forward Settings
Aastra Web UI
1. Click on Basic Settings->Call Forward.
2. Select a line to set Call Forwarding on.
3. In the "Mode" field, select the mode you want to set on this line.
Notes:
1.To disable call forwarding in the Aastra Web UI, set the mode to OFF and
remove the phone number in the "Forward Number" field.
2.To force a line to use the global settings, set the "Mode" field to Global.
4. In the "Forward Number" field, enter the call forward number for which you
want your calls on this line to be call forwarded.
5. In the "Number of Rings" field, select the number of rings on the line before the
call is forwarded. Valid values are 1 to 9.
6. Click
are immediately applied to the phone.
to save the Call Forward settings. The changes are dynamic and
Model 53i IP Phone User Guide 113