(gdb) thread apply all bt     

Thread 11 (Thread 163850 (LWP 19538)):
#0  0x401fb534 in ioctl () from /lib/i686/libc.so.6
#1  0x4163cd0c in __dso_handle () from /usr/lib/asterisk/modules/app_meetme.so
#2  0x416363d9 in conf_exec (chan=0x81696a0, data=0x140) at app_meetme.c:1417
#3  0x08073426 in pbx_exec (c=0x81696a0, app=0x8146c30, data=0x41b74c6c, newstack=1) at pbx.c:469
#4  0x0807b25e in pbx_extension_helper (c=0x81696a0, context=0x81697f8 "asterisk", exten=0x81696a0 "IAX2/asterisk@gw-mecosta/24", 
    priority=1, callerid=0x80ffb80 "\"Jeremy\" <Jeremy>", action=46) at pbx.c:1276
#5  0x080753fa in ast_pbx_run (c=0x2e) at pbx.c:1757
#6  0x0807b921 in pbx_thread (data=0xfffffe00) at pbx.c:1980
#7  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 10 (Thread 147465 (LWP 19535)):
#0  0x401cf186 in nanosleep () from /lib/i686/libc.so.6
#1  0x00000000 in ?? ()

Thread 9 (Thread 131080 (LWP 19531)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x4114936d in do_monitor (data=0x0) at chan_zap.c:5758
#2  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 8 (Thread 114695 (LWP 19530)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x41157294 in pri_dchannel (vpri=0x41167920) at chan_zap.c:7337
#2  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 7 (Thread 98310 (LWP 19529)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x08052214 in ast_io_wait (ioc=0x810e5a8, howlong=-4) at io.c:254
#2  0x40df72e2 in network_thread (ignore=0x0) at chan_iax2.c:6322
#3  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 6 (Thread 65541 (LWP 19527)):
#0  0x401fbd61 in select () from /lib/i686/libc.so.6
#1  0x409e642c in __dso_handle () from /usr/lib/asterisk/modules/res_features.so
#2  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 5 (Thread 49156 (LWP 19526)):
#0  0x40033a18 in accept () from /lib/i686/libpthread.so.0
#1  0x409dfe94 in ?? ()
#2  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 4 (Thread 32771 (LWP 19525)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x0809eb1d in listener (unused=0x0) at asterisk.c:331
#2  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 3 (Thread 81922 (LWP 19528)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x08052214 in ast_io_wait (ioc=0x810c320, howlong=-4) at io.c:254
---Type <return> to continue, or q <return> to quit--- 
#2  0x4058a835 in do_monitor (data=0x0) at chan_sip.c:7764
#3  0x4002ea21 in pthread_start_thread () from /lib/i686/libpthread.so.0

Thread 2 (Thread 32769 (LWP 19523)):
#0  0x401fa357 in poll () from /lib/i686/libc.so.6
#1  0x4002da3e in __pthread_manager () from /lib/i686/libpthread.so.0

Thread 1 (Thread 16384 (LWP 19522)):
#0  0x4003387b in read () from /lib/i686/libpthread.so.0
#1  0x00000000 in ?? ()
#0  0x4003387b in read () from /lib/i686/libpthread.so.0