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9.5 PBX Configuration—[1-1]
Configuration—Slot—UM Card Property
The properties of the Unified Messaging (UM) system can be specified.
Place the mouse cursor over the UM Property button on the Slot screen, and click the Card Property button
to open the UM Card Property screen.
Main
Echo Cancellation Ability
Specifies the echo canceller ability time.
Value Range
OFF, 64 ms, 128 ms
DSP Digital Gain (Down)
Specifies the DSP Digital Gain for the down voice path.
Value Range
-14–6 dB
DSP Digital Gain (Up)
Specifies the DSP Digital Gain for the up voice path.
Value Range
-14–6 dB
EC Gain
Specifies the Echo Canceller Gain.
Value Range
-14–6 dB
NLP Setting
Specifies the NLP (Non-Linear Processor) setting to control echo sound quality.
Value Range
Disable, Weak, Normal, Strong
FAX Detection Ability
Enables the use of the FAX Detection Ability feature. Since fax signals using a codec other than G.711 cannot
be received accurately at the destination, this feature automatically switches the codec to G.711 to enable
end-to-end fax signal relay over the network.
9.5 PBX Configuration—[1-1] Configuration—Slot—UM Card Property
PC Programming Manual
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