Polycom 400 - Manual (Page 23)

16 VocalData Telephone Features Polycom Telephone User Guide
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3. Press the Abbreviated Dial code you wish to verify.
The phone number you entered for this Abbreviated Dial
number is repeated back.
4. Program or verify another Abbreviated Dial code or hang up to
exit.
Anonymous Call Rejection
When enabled, this feature rejects calls from callers who block the
display of their caller ID information.
Enabling Anonymous Call Rejection
1. Press *77 on the telephone keypad.
2. Hang up.
On the next incoming call, the calling party gets a message that
the party they are calling does not accept anonymous calls.
Disabling Anonymous Call Rejection
1. Press *87 on the telephone keypad.
2. Hang up.
Authorization Code Calling
This feature is available system-wide to allow/deny long distance
dialing and does not appear as a button on your telephone.
If you are required to enter an authorization code for a call, follow
these steps:
1. Access an outside line.
2. Press #.