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Section 700 - Operation Chapter 5. Key Telephone Features
ICX-50-700 ICX (International) issued October 2000 179
Note: Message waiting/callback messages may also be cancelled by either the originator or the
receiver by calling the other party.
Hardware Requirements
•N/A
Considerations
• The System has priority message waiting for 3rd-party Voice Mail. See “Voice Mail Integration
(Third Party)” on page 72.
Mute Function
Description
Mute Function allows you to block outgoing audio to the other party while on a call.
With 44-Series phones, audio can be blocked through both the microphone and the handset. (For
handset mute, an FF key must first be assigned as a MIC key.)
Operation
To block outgoing audio using the Handset Mute (VB-D4,VB-D6/VB-442XX-Series
phones only):
To block outgoing audio using the Microphone Mute:
Hardware Requirements
•N/A
Action Result
1. During a handset call, press the MIC key. MIC LED blinks.
Outgoing audio is blocked through
phone’s handset
2. To turn Mute off, press the MIC key again.
Action Result
1. During a handset call, press the MIC FF key MIC LED off.
Outgoing audio is blocked through
phone’s microphone
2. To turn Mute off, press the MIC FF key again. MIC LED on.