This AT&T TR1909 Trimline with caller ID/call waiting can be used either in tabletop or wall installation position. The telephone can still operate with limited features when there are no batteries installed. The TR1909 also features a 13-number memory for fast dialing and has a call log which can store up to 80 additional numbers with names. This telephone has a caller ID feature which supports caller ID with call waiting service.

• Flash
  Allow easy access to call waiting and other similar services.
• Last number redial
  Store the last number dialed at the handset for easy redialing. Redial numbers can be stored in memory or deleted.
• Mute
  Provide privacy by allowing you the hear your caller, but prevents the caller from hearing you.
• Table/wall mountable
  Easily use the telephone on tabletop or wall.
• Telephone line powered
  No AC power needed to operate telephone.