AT&T 8510T manual Fixed Button Features

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 AT&T DEFINITY Communications System ISDN 8510T Voice Terminal User’s Manual, 555-021-736, shipped in the box with the voice terminal. You can also order this 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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