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

Standard Telephones

Ringing Patterns
Dial Tones
Using the Switchhook
Limitations
Feature Phones

Combination Extensions

3-1
3-2
3-4
3-5
3-5
3-6
3-6
3-7
3-7
3-8
3-8
3-8
3-9
3-9
3-10

3-i