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Section 700 - Operation Chapter 6. DSLT Features
ICX-50-700 ICX (International) issued June 2000 247
Intercom Calling
Description
The System provides two methods of intercom calling:
• Voice Calling: Extension calls are connected immediately, without a ringing tone.
• Tone Calling: A ringing tone is sent to the called extension.
Extension Class of Service (COS) programming determines whether the default for the originating
extension is voice or tone calling. Regardless of the default, you can toggle between voice or tone
calling by entering the Tone-Voice Call feature code. For example, if the extension default is tone
calling, you can make a voice call to another extension by entering the Tone-Voice Call feature access
code.
Operation
To make a call using Intercom Calling:
Hardware Requirements
•N/A
Considerations
• Both the called and calling parties must belong to an Extension COS that allows Voice Calling.
• You cannot change from voice call to tone call.
Last Number Redial
Description
Last Number Redial allows you to automatically redial the last number dallied by pressing the
REDIAL key.
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Dial the extension number.
3. If your extension is set for tone calling and you want to
make a voice call, enter 1.
Or, if your extension is set for voice call and you want to
make a tone call, enter 1.
4. Speak when your call is answered
5. Replace the handset or press the ON/OFF key.