This high-quality phone works with "1A2" electromechanical key phone systems. It has nine buttons that can be used for intercom or outside lines, plus a hold button. The base is wedge shaped, for easy operation on a desk. A wall-mount bracket may be available. Comes with 25-pair connectorized cable. Internal mechanical ringer. 90-day warranty. Ash body and handset, with brown faceplate. FREE "ground" shipping in the USA.