Call forward - end chaining, Call forward - override, To override call forward and ring a station – Mitel M3820 User Manual
Page 16: Messaging - advisory, To turn messaging - advisory on, To turn messaging - advisory off

M3820 Phone User Guide
Call Forward - End Chaining
To ensure that calls do not get forwarded again by the destination number:
1.
Lift the handset.
2. Dial
64.
3. Hang
up.
To again allow calls to be forwarded by the destination number:
1.
Lift the handset.
2. Dial
**73.
3. Hang
up.
Call Forward - Override
To override Call Forward and ring a station:
1.
Lift the handset.
2. Dial
*1*.
3.
Dial the extension number.
Messaging - Advisory
To turn Messaging - Advisory on:
1. Press
SUPERKEY.
2. Press
MENU RIGHT (No) until "Advisory Msgs?" appears.
3. Press
MENU LEFT (Yes).
4. Press
MENU RIGHT (Next) until the desired message appears.
5. Press
MENU RIGHT (TurnOn).
To turn Messaging - Advisory off:
1. Press
SUPERKEY.
2. Press
MENU RIGHT (No) until "Advisory Msgs?" appears.
3. Press
MENU LEFT (Yes).
4. Press
MENU RIGHT (TurnOff).
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