AT&T DEFINITY Generic 2 User Manual page 4

Select Ring (and Ringer Volume)
Send All Calls
Speaker
Speakerphone
Test
Transfer
Display Feature Procedures
Call Information
Exit (Normal)
Inspect
Message Retrieval
Normal (Exit)
Time/Date
Timer
Tones and Their Meanings
Ringing Tones
Feedback Tones
Troubleshooting
Key Words to Know
Quick Reference Lists
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RingCentral Ex-1012, p. 4
RingCentral v. Estech
IPR2021-00573