AT&T 518-455-317 manual Learning About Telephones, Combination Extensions Using Telephones

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

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