i have a problem，
in a cluster,sometimes 5550 ip console register on MXE call the extension on AX，return “OUT OF SERVICE”，after 2 or 3 mins ，it can call again. the IP trunk is OK when the problem is happen.
i found the logs,but i do not konw what is mean,and what would cause this?
thx!
Software 822 Warning 2015/Jun/11 7:33:24 Call Control - Software MSG_FUNC_CODE: $1, MSG_TX_PID: ($3, $2), MSG_TX_PROG_NAME: dispatchMSG_DATA: $1 $1 Main log_outputs_util_en.c;1622
Software 821 Warning 2015/Jun/11 7:33:24 Call Control - Software INVALID MESSAGE, OFFSET 2:$1926, PC: $363130LOG_ID: onsclass#9, PROCEDURE: onsclass_class_messaging, SEVERITY: cp_minorPID: ($5, $172), PLID: 2 1 6 23SWID: station 206PARTY: term, DAM: seize_no_callFEATURE_ACTIVE: nilfeature Main log_outputs_util_en.c;1622
Software 820 Warning 2015/Jun/11 7:33:18 ViPER CONSLine::HandleSeizeMessage( dx ) -> UAPI error: UAPI_FAILURE Device plid: 2/1/6/23 Main ViPERONSLine.cpp;2111
