Mitel Single-Line User Manual page 29

Call Features
5.
Page 18
To turn on Call Forwarding:
a. Enter one of the following Call Forward feature codes:
o 355: All Calls
o 356: If No Answer
o 357: If Busy
o 358: If No Answer or Busy
b. Enter an extension number, or enter an outside line access code followed by a
telephone number.
To turn off Call Forwarding:
Lift the handset, and then dial 355.
Hang up.
Mitel ® Single-Line Phone User Guide – Issue 13, September 2009