Section 700 - Operation
Chapter 5. Key Telephone Features
S-ICX-64-700
S-ICX (International) issued April 2002
175
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
Considerations
The fixed MIC key works both for handset mute and microphone mute. But only VB-D4,VB-D6/VB-
442XX-Series
phones have the fixed MIC key, so others must assign an FF key as a MIC key.
Offhook Monitor
Description
Offhook Monitor lets you put a call on speaker while the handset is offhook. You can still
communicate with the other party via the handset, but you will also be able to hear the other party on
the phone’s speaker. The other party can only hear what is transmitted through your handset however,
because audio is not transmitted through your microphone.
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.
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