The Nortel T7100 single line Norstar telephone comes equipped with: (1) programmable button, (1) feature button, tilt-display with integrated visual ring/message waiting indicator enables optimum viewing, one-line sixteen-character LCD window and is supported on all Norstar phone systems. The Nortel T7100 (NT8B25-C) single line phone is new in manufacturer's original box with a 2 year advanced replacement warranty.