AT&T 8520T manual The Fixed Button Features

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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