User`s guide

Dialogic
®
1000 and 2000 Media Gateway Series User’s Guide — September 2007 115
Dialogic Corporation
Parameter Reference
INI File Parameter Name = dspIPtoPbxGain
3.10.2.3 Line Echo Cancellation (DMG1000 Only)
Description: Enables or disables the echo canceller on the PBX (TDM) side.
Allowed Values:
• On = Enables the echo canceller.
• Off = Disables the echo canceller.
Default Value = On
INI File Parameter Name = dspEc
3.10.2.4 Line Echo Cancellation NLP (DMG1000 Only)
Description: Enables or disables the echo canceller non-linear processor (NLP) on the PBX
(TDM) side.
Allowed Values:
• On = Enables the echo canceller NLP.
• Off = Disables the echo canceller NLP.
Default Value = On
INI File Parameter Name = dspEcNlp
3.10.2.5 Line Echo Cancellation NLP Aggressiveness
Description: This parameter controls the aggressiveness of the echo canceller NLP.
Allowed Values for DMG1000: -32768 to +32767
Default Value = 0
Allowed Values for T1/E1 Media Gateway:
• Normal = G.168 compliant
• Increased = Maximum non-linear echo protection
• Reduced = Provides the least double talk distortion
Default Value = Normal
INI File Parameter Name = dspEcNlpAgg
Note: Unit requires a restart if this parameter value is changed.