# Setting up tracing and monitoring functionality

Use the following functions to set up tracing and monitoring functionality for the 3G-324M Interface:

Function | Description | Associated Events
h324SetTrace | Defines the level of tracing for the 3G-324M library. | None
h324LineErrorReporting | Turns on error reporting statistics in the H.223 demultiplexer. Use these statistics to determine the quality of the inbound radio link from the H.324 terminal to the demultiplexer. | MSPEVN_DEMUX_CRC_ERR_REPORT MSPEVN_DEMUX_PERIODIC_STATS