Specifications

Learning About Telephones
3
Contents
System Telephones
Buttons and Indicators
Lights
Ringing Patterns
Dial Tones
Using the Speaker and Microphone
Hands-Free Answer on Intercom (HFAI)
Speakerphone Performance Tips
3-1
3-2
3-4
3-5
3-5
3-5
3-6
3-7
Standard Telephones
3-7
Ringing Patterns
3-8
Dial Tones
3-8
Using the Switchhook
3-8
Limitations
3-9
Feature Phones
3-9
Combination Extensions
3-10
3-i