sonusPktServProfileDefAudioEnable 1.3.6.1.4.1.2879.2.2.2.1.13.2.1.8

Specifies whether or not to allow default Audio (G.711). If enabled, allow use of G.711 if preferred audio resource is not available. If disabled, Do not use of G.711 if preferred audio resource is not available and the call is disconnected.