Specifications
Learning About Telephones
3
Contents
System Telephones
■
Buttons and Indicators
■
Lights
■
Ringing Patterns
■
Dial Tones
■ Using the Handset, Speaker, and Microphone
Hands-Free Answer on Intercom (HFAI)
Voice Interrupt on Busy Calls
Speakerphone Performance Tips
Standard Telephones
■
Ringing Patterns
■
Dial Tones
■
Using the Switchhook
■
Limitations
■
Feature Phones
Combination Extensions
Using Telephones
■
Basic Call Handling Features
■
Dial-Code Features
3-1
3-2
3-4
3-5
3-5
3-5
3-6
3-7
3-7
3-8
3-9
3-9
3-9
3-10
3-11
3-11
3-13
3-13
3-13
3-i