AT&T System 85 manual Isdn 8503T Voice Terminal, Applications

ISDN 7507 Display Terminal

ISDN 8503T Voice Terminal

The 8503T voice terminal is a non-modular set used with the Integrated Services Digital Network (ISDN) communication system through a 4-wire ‘‘T’’-interface. This voice terminal offers the fol- lowing: 4 standard fixed feature buttons, a Message light, three call appearance/flexible feature buttons, each with a red and green light, 12 programmable memory-dialing locations on the dial pad keys, a PROGRAM button for storing numbers at the memory-dialing locations and a MEMORY button for dialing these programmed numbers or codes, the Redial feature, the Mute feature, eight possible personalized ringing patterns selected with the Select Ring feature, high fidelity audio capabilities (bandwidth from .3 to 3.8 kHz) with the K-type handset, and touch-tone dialing. This set does not provide data capabilities.

Applications

The 8503T voice terminal can be used with the DEFINITY G2 and G3. Typical applications of the 8503T voice terminal are users handling a low volume of voice-only calls, staff workers and lower level managers, as well as lobbies and conference rooms.

Physical Description

Dimensions

Note: The dimensions given here for the 8503T voice terminal are approximate.

Width = 7 3/4 inches

Depth (front to back) = 9 1/2 inches

Height (maximum with handset in place)

The desk-mounted model = 5 1/4 inches

The wall-mounted model = 4 1/2 inches

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