AASTRA 4225 for MX-ONE Telephony Switch - Manual (Page 102)

Settings
Dialog 4223 Professional/Dialog 4225 Vision 102
Programming of ring signals
You have 6 programmable ring signals on your phone. The different
signals can be programmed on lines, additional lines and multiple
represented lines.
Enter programming mode
Dialog 4223 Professional:
Program Press (see display).
If
Program
is not shown, press
more...
until it appears.
Select Press (see display).
Continue with “Program or change a ring signal”.
Dialog 4225 Vision:
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Select Program in the top menu (see display).
Select Press to select
Programming of keys
(see display).
Continue with “Program or change a ring signal”.