1. Call Indicator lamp
Easier to see which phone is ringing, used for message wait as well.
2. Alphanumeric display
Assists the caller by providing visual information relating to the calling number and party's
name, number dialed, call status, feature activation and user prompts, as well as a clock and
3. Line/feature access keys
8/16/24 keys/lamps (dual colour) can be used in any combination for the line (extension or
exchange) selection, speed dialing or features you can access. Example features:
• Call Forward.
• Save and Repeat.
• Message Reminder.
• Call Back.
ATEL Communications, Inc.
Dterm Series III User Guide