#0 0x00a1c612 in malloc_trim () from /lib/tls/libc.so.6
#1 0x00a1ce3a in free () from /lib/tls/libc.so.6
#2 0x003a3b01 in memHeapFreeAll () from /usr/lib/asterisk/modules/chan_h323.so
#3 0x003a3b76 in memHeapRelease () from /usr/lib/asterisk/modules/chan_h323.so
#4 0x0039d208 in freeContext () from /usr/lib/asterisk/modules/chan_h323.so
#5 0x003bc024 in ooCleanCall () from /usr/lib/asterisk/modules/chan_h323.so
#6 0x003bbbcc in ooEndCall () from /usr/lib/asterisk/modules/chan_h323.so
#7 0x003a6058 in ooMonitorChannels () from /usr/lib/asterisk/modules/chan_h323.so
#8 0x00396ce8 in ooh323c_stack_thread () from /usr/lib/asterisk/modules/chan_h323.so
#9 0x00b28341 in __pthread_initialize_minimal () from /lib/tls/libpthread.so.0
#10 0x00a81fee in clone () from /lib/tls/libc.so.6