AASTRA 4223 Professional for BusinessPhone User Guide - Manual (Page 52)

Call Forwarding
BusinessPhone — Dialog 4223 Professional / Dialog 3213 52
Program Fixed Diversion address
If you need to program a new diversion address:
prog
Press (see display).
diversion
Press (see display).
z
Dial new diversion address.
ì
In case of a typing error, press the Volume Down key to delete
the latest entered digit.
store
Press (see display).
í
Press to finish the procedure.
12 May 10:35 +15°
PHONE PROGRAMMING
key short-no. diversion ringing