AT&T 8520T - Manual (Page 12)

The Fixed (Button) Features
For procedures for all of the Fixed (Button) Features described in What the
Features Do (such as Conference, Drop, Hold, and Transfer), refer to the
DEFINITY Communications System ISDN 8520T Voice/Data Terminal User’s
Manual, 555-021-758, shipped in the box with the voice/data terminal. You can also
order the user’s manual from the Customer Information Center (CIC) in
Indianapolis, IN. The address and telephone number of CIC appear in the front of
this user’s guide.
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