/mcppktSizeMs Packet size in milliseconds. If value 0 (zero) is specified a default value (20) is used. Return Value If no error occurs, this function returns true. If an error occurs, false is returned, and a specific error code can be retrieved by calling EpApiGetLastError. Description Error code EpAPI is not initialized. EP_ERR_INIT Specified stream handle is invalid. EP_ERR_HANDLE_INVALID EpApiTraceLevelSet Sets EpApi (Rtp Library) trace level. Syntax CMAPI bool EpApiTraceLevelSet ( int traceLevel ); Parameters traceLevel Required Rtp Library trace level. This parameter can be one of the following values: Table 25: Error Codes for EpApiTraceLevelSet Description Trace level Output only error messages (reported in Windows Event Log). 0 -Error Output alarms and error messages (reported in Windows Event Log). 1 -Alarm Output warnings, alarms and error messages (reported in Windows Event Log). 2 -Warning Output informational messages, alarms, warnings, and error messages (not reported in Windows Event Log). 3 -Info Output debug information, informational messages, alarms, warnings, and error messages (not reported in Windows Event Log). 4 -Debug Cisco Unified TAPI Developers Guide for Cisco Unified Communications Manager, Release 15 and SUs 440 Cisco TSP Media Driver EpApiTraceLevelSet