This MIB defines the enterprise-specific objects needed
to support performance management of the AudioCodes product.
Performance measurements are grouped into the following MIB trees:
acPerfIvr - performance measurements related to the IVR service
acPerfBct - performance measurements related to the BCT service
acPerfConf - performance measurements related to the Conferencing service
acPerfTt - performance measurements related to the Test Trunk service