972 Matrix ETERNITY NE System Manual
LED Lamp
When the extension user has a SLT with 'Message Wait' lamp, you can set this type of Message Wait Indication.
When Message Wait is set, the lamp will blink continuously either using High Voltage or Polarity Reversal. The
lamp will be turned off when the extension user has retrieved all the waiting messages.
Ring
• When a new Message Wait is set on the extension, the system will play Message Wait Ring (Short, Fast)
on the extension. See “Distinctive Rings”.
• The extension will ring for the duration of the Message Wait Ring Timer (configurable; default: 30
seconds). If the call is not answered within this timer, the system will ring on the extension again for as
many times as the Message Wait Ring Count (configurable; default: 10 times), and at the interval set as
the Message Wait Ring Timer Interval (configurable; default: 30 minutes).
• When the extension user answers the call, the user gets connected to the VMS or the extension that set
Message Wait.
Message Wait Signal generated by SARVAM UCS
How to configure
To provide this feature to extensions, you must do the following configuration on the extensions:
• Enable the Message Wait feature in the “Class of Service (CoS)” of extensions. This allows the extensions
to set and cancel Message Wait on other extensions. Only those extensions that have this feature in their
CoS can set or cancel Message Wait on other extensions. See “Basic Settings” for instructions on
configuring the CoS of different Extension types: SLT, SIP. By default, this feature is enabled in the CoS of
all extension types for the Day and Night/Break.
• Select the desired Message Wait Indication for each extension in its Voice mail Settings. See “Basic
Settings” for instructions on configuring the different Extension types: SLT, SIP.
• If you have selected Voice Message as Message Wait Indication Type for an extension, you must also
record the desired Voice Message in a Voice Module and assign it to the Message Wait application. See
“Voice Message Applications” for instructions.
• If you selected Ring as Message Wait Indication Type for an extension, you may configure the following
Ring Parameters:
• Message Wait Ring Timer (default: 30 seconds)
• Message Wait Ring Count (default: 10 attempts)
• Message Wait Ring Timer Interval (default: 30 minutes).
See “System Timers and Counts” for instructions.
You may also configure the features ‘Message Wait’ and ‘Retrieve Message Wait’ on Extended IP Phone
extensions. For instructions, see Phone Key Settings under “Configuring SIP Extension Settings as per
the Device Type” in SIP Extensions.
Particulars Value
Peak Voltage 82-85 V
ON Time 100ms
OFF Time 150ms
Frequency 4Hz
DC Offset 48V
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