h3cVoiceIfCfgNonLinearSwitch 1.3.6.1.4.1.43.45.1.10.2.39.13.1.1.1.2

This object expresses the nonlinear processing is enable or disable for the voice interface. It is applicable to FXO, FXS, E&M subscriber lines and E1/T1 voice subscriber line. Currently, only digital voice subscriber lines can be set disabled.