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C450HD IP Phone
User's Manual
114
Document #: LTRT-13261
7.6 Making a Call in Discreet Mode
This feature answers a requirement for more security measures such as a silent mode call for
public institutions. If a call is made in discreet mode, it’s a one-way call to a remote phone. The
caller’s phone does not indicate audially that a call is in progress; the screen remains in idle mode
and the backlight is not activated. The only indication that a call is in progress is the presence
status of the caller changes to red (busy). The caller cannot end the call.
To configure the feature:
7.
Open the Function Key
It’s recommended that the called party’s phone be a dedicated phone to avoid the scenario of
being on another call when needed for the discreet call; the phone automatically answers the
discreet call; there is no need to pick up the handset. The called party then ‘listens’ to what’s
happening at the caller’s end. When the called party ends the call, the call ends on both sides.
Note:
•
Both caller and called party phones must be AudioCodes phones.
•
Device Lock must be disabled on the called party’s phone.
•
The call runs via the Skype for Business server as a regular call when the phone tunes the
behavior to match the required functionality.
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