Aastra Dialog 4223 Professiona User Manual page 102

Settings
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102
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Select ringing character
Select ringing character (0 — 4).
See section "Function codes and required data" on page 103.
Press (see display).
Press to finish programming.
After approximately 10 seconds, the Function key is active.
Example:
Program Supervision of extension 204 on key A, with ringing
character 1. For available Function codes, see section "Function
codes and required data" on page 103.
Press (see display).
Press (see display).
Press the desired programmable key.
Press (see display).
Press until Supervision is shown (see display).
Press (see display).
Enter extension number.
1
Press (see display).
Press to select ringing character.
Press (see display).
Press to finish programming.
BusinessPhone — Dialog 4223 Professional / Dialog 3213