ADTRAN IP 501 - Manual (Page 7)

Disable Forwarding Press the Forward soft key, and
then select Disable.
Do Not Disturb Press the Do Not Disturb button to
enable or disable Do-Not-Disturb mode. Disable by
pressing the Do Not Disturb button again.
Hands-free Auto-Answer Intercom Dial ** in front
of any IP phone extension number to invoke hands-
free auto-answer intercom.
Hands-free Auto-Answer Intercom Do not Disturb
To Block hands-free intercom calls to your extension,
Dial *97x (where x = 1-Block, 0-Unblock. (This feature is
dependant upon users Class of Service.)
Access Call Lists To access the call lists, press the
Call Lists (IP501) or the Directories (IP601) button.
Use the up/down arrows to scroll through the call lists.
Press the Select soft key to select a call list. Press
the Exit soft key to exit the call lists.
System Speed Dial Dial *25 plus the two digit system
speed dial number (00 to 99).
Speed Dial Programming Press the Directories
button. Select Contact Directory from Directories menu.
Press the More soft key, then press Add. Using the keypad,
enter the First name, Last Name and Phone Number
(contact). Press the Save soft key to save. Press the
Exit soft key to exit the directory.
Speed Dialing Press the line key button that corresponds
to the number you wish to dial.
Last Number Redial Press the Redial button to dial
the last number that was dialed from the phone.
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Phone Feature Quick Reference Guide