(gdb) bt
#0  0x00000000 in ?? ()
#1  0xb7ab1656 in PFactory<H323Capability, PString>::~PFactory () from /usr/lib/asterisk/modules/chan_h323.so
#2  0xb72fe4cb in PFactoryBase::FactoryMap::~FactoryMap () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#3  0xb72fe53d in PFactoryBase::FactoryMap::~FactoryMap () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#4  0xb7cfd6c8 in __cxa_finalize () from /lib/libc.so.6
#5  0xb71221d6 in ?? () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#6  0xb7385580 in ?? () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#7  0xb7aba658 in ?? () from /usr/lib/asterisk/modules/chan_h323.so
#8  0xbfbc75d8 in ?? ()
#9  0xb7a9c607 in ?? () from /usr/lib/asterisk/modules/chan_h323.so
#10 0xb701f000 in ?? ()
#11 0xb7383008 in ?? () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#12 0xbfbc75e8 in ?? ()
#13 0xb72ff242 in _fini () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#14 0xb72ff242 in _fini () from /usr/lib/libpt_linux_x86_r.so.1.10.1
#15 0xb7dbc756 in _dl_close () from /lib/libc.so.6
#16 0xb7f9ee3a in dlclose () from /lib/libdl.so.2
#17 0xb7fbea1f in _dl_catch_error () from /lib/ld-linux.so.2
#18 0xb7f9f1dd in dlvsym () from /lib/libdl.so.2
#19 0xb7f9ee0a in dlclose () from /lib/libdl.so.2
#20 0x0809f0fe in load_dynamic_module (resource_in=0xbfbc78e0 "/usr/lib/asterisk/modules/chan_h323.so", global_symbols_only=1) at loader.c:387
#21 0x0809fb16 in load_resource (resource_name=0x8172b70 "chan_h323.so", global_symbols_only=1) at loader.c:603
#22 0x0809ff04 in load_modules (preload_only=0) at loader.c:795
#23 0x0806d287 in main (argc=2, argv=0xbfbc8124) at asterisk.c:2683