Out of 17 Ratings

Owner's of the AT&T Conference Phone ATT993 gave it a score of 3.8 out of 5. Here's how the scores stacked up:
  • Reliability

    3.82 out of 5
  • Durability

    3.81 out of 5
  • Maintenance

    3.88 out of 5
  • Performance

    3.76 out of 5
  • Ease of Use

    3.56 out of 5
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Important product information
Especially about corded telephones
Electrical power: The telephone base must be connected to a working
electrical outlet. The electrical outlet should not be controlled by a wall switch.
Calls cannot be made from the handset if the telephone base is unplugged
or switched off, or if the electrical power is interrupted.
Power adapter: The power adapter is intended to be correctly oriented in a
vertical or floor mount position.