(gdb) bt
#0  0xb7e13ffe in malloc_consolidate () from /lib/libc.so.6
#1  0xb7e13703 in _int_malloc () from /lib/libc.so.6
#2  0xb7e15152 in malloc_check () from /lib/libc.so.6
#3  0xb7e12fed in calloc () from /lib/libc.so.6
#4  0x080f7da0 in _ast_calloc (num=1, len=1296, file=0xb7a964b3 "chan_iax2.c", lineno=1187, func=0xb7a965e6 "new_iax")
    at utils.h:359
#5  0xb7a669db in new_iax (sin=0x81a7778, host=0xbe7ff924 "communiceer-outgoing") at chan_iax2.c:1187
#6  0xb7a67605 in find_callno (callno=0, dcallno=0, sin=0x81a7778, new=2, sockfd=17) at chan_iax2.c:1390
#7  0xb7a87738 in iax2_poke_peer (peer=0x81a76e8, heldcall=0) at chan_iax2.c:8652
#8  0xb7a7c130 in __iax2_poke_peer_s (data=0x81a76e8) at chan_iax2.c:6282
#9  0xb7a8655b in iax2_process_thread (data=0x81a79a0) at chan_iax2.c:8374
#10 0x080f8ca4 in dummy_start (data=0x819d298) at utils.c:852
#11 0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#12 0xb7e6aeca in clone () from /lib/libc.so.6

(gdb) bt full
#0  0xb7e13ffe in malloc_consolidate () from /lib/libc.so.6
No symbol table info available.
#1  0xb7e13703 in _int_malloc () from /lib/libc.so.6
No symbol table info available.
#2  0xb7e15152 in malloc_check () from /lib/libc.so.6
No symbol table info available.
#3  0xb7e12fed in calloc () from /lib/libc.so.6
No symbol table info available.
#4  0x080f7da0 in _ast_calloc (num=1, len=1296, file=0xb7a964b3 "chan_iax2.c", lineno=1187, func=0xb7a965e6 "new_iax")
    at utils.h:359
        p = (void *) 0xffffffff
#5  0xb7a669db in new_iax (sin=0x81a7778, host=0xbe7ff924 "communiceer-outgoing") at chan_iax2.c:1187
        tmp = (struct chan_iax2_pvt *) 0xb7a91df7
        jbconf = {max_jitterbuf = -1213458488, resync_threshold = 1, max_contig_interp = 0}
#6  0xb7a67605 in find_callno (callno=0, dcallno=0, sin=0x81a7778, new=2, sockfd=17) at chan_iax2.c:1390
        res = 0
        x = 2
        now = {tv_sec = 1198082444, tv_usec = 596398}
        host = "communiceer-outgoing\000û\177¾Lù\177¾±\035©·H\027ª·\200ó©·üù\177¾c\234¦·P\177\036\b", '\0' <repeats 16 times>, "p\036ñ·\000\000\000\0001 ñ·"
#7  0xb7a87738 in iax2_poke_peer (peer=0x81a76e8, heldcall=0) at chan_iax2.c:8652
No locals.
#8  0xb7a7c130 in __iax2_poke_peer_s (data=0x81a76e8) at chan_iax2.c:6282
        peer = (struct iax2_peer *) 0x81a76e8
#9  0xb7a8655b in iax2_process_thread (data=0x81a79a0) at chan_iax2.c:8374
        _buffer = {__routine = 0xb7a8615d <iax2_process_thread_cleanup>, __arg = 0x81a79a0, __canceltype = -1098909028, 
  __prev = 0xbe7ffab4}
        thread = (struct iax2_thread *) 0x81a79a0
        tv = {tv_sec = 135438106, tv_usec = -1208913932}
        ts = {tv_sec = 135438067, tv_nsec = -1208956112}
        put_into_idle = 1
#10 0x080f8ca4 in dummy_start (data=0x819d298) at utils.c:852
        _buffer = {__routine = 0x8068a88 <ast_unregister_thread>, __arg = 0x1c007, __canceltype = -1208937477, __prev = 0x0}
        ret = (void *) 0xb7f16ff4
        a = {start_routine = 0xb7a861b4 <iax2_process_thread>, data = 0x81a79a0, 
  name = 0x81a6640 "iax2_process_thread  started at [ 8889] chan_iax2.c start_network_thread()"}
#11 0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
No symbol table info available.
#12 0xb7e6aeca in clone () from /lib/libc.so.6
No symbol table info available.

(gdb) thread apply all bt
Thread 23 (process 22201):
#0  0xb7f13f1b in read () from /lib/libpthread.so.0
#1  0x56b90000 in ?? ()
#2  0x00000000 in ?? ()
#3  0x08101144 in read_char (el=0x817afe8, cp=0xbf9f1787 "\bÿÿÿÿàÊ\022") at read.c:296
#4  0x0810126c in el_getc (el=0x817afe8, cp=0xbf9f1787 "\bÿÿÿÿàÊ\022") at read.c:347
#5  0x08101043 in read_getcmd (el=0x817afe8, cmdnum=0xbf9f178f "", ch=0xbf9f1787 "\bÿÿÿÿàÊ\022") at read.c:243
#6  0x08101491 in el_gets (el=0x817afe8, nread=0xbf9f195c) at read.c:443
#7  0x080706d7 in main (argc=4, argv=0xbf9f1b44) at asterisk.c:2982
#8  0xb7dc6469 in __libc_start_main () from /lib/libc.so.6
#9  0x08057bf1 in ?? () at ../sysdeps/i386/elf/start.S:119

Thread 22 (process 22204):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0xb7f0d9f0 in __pthread_manager () from /lib/libpthread.so.0
#3  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 21 (process 22206):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x0806a640 in listener (unused=0x0) at asterisk.c:980
#3  0x080f8ca4 in dummy_start (data=0x817c308) at utils.c:852
#4  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 20 (process 22207):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x080b5d92 in accept_thread (ignore=0x0) at manager.c:2338
#3  0x080f8ca4 in dummy_start (data=0x8188350) at utils.c:852
#4  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 19 (process 22208):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0x08095279 in ast_cond_wait (cond=0x815cce0, t=0x81556c8) at lock.h:733
#4  0x0809515e in do_devstate_changes (data=0x0) at devicestate.c:367
#5  0x080f8ca4 in dummy_start (data=0x8188388) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 18 (process 22209):
#0  0xb7e645f1 in select () from /lib/libc.so.6
#1  0xb7d9e9f0 in ?? () from /usr/lib/asterisk/modules/res_features.so
#2  0xbebff8e4 in ?? ()
#3  0xbebffa04 in ?? ()
#4  0x00000000 in ?? ()
#5  0xb7d9b90f in ast_select (nfds=0, rfds=0xbebffa04, wfds=0x0, efds=0xbebff984, tvp=0x0) at channel.h:1303
#6  0xb7d98b85 in do_parking_thread (ignore=0x0) at res_features.c:1801
#7  0x080f8ca4 in dummy_start (data=0x818ceb0) at utils.c:852
#8  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#9  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 17 (process 22210):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x080a8fca in ast_io_wait (ioc=0x819e6e0, howlong=1000) at io.c:266
#3  0xb7c16a54 in do_monitor (data=0x0) at chan_sip.c:15571
#4  0x080f8ca4 in dummy_start (data=0x819d0a0) at utils.c:852
#5  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#6  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 16 (process 22212):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81a9b54, t=0x81a9b3c) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81a8aa8) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d2f8) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 15 (process 22213):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81aac5c, t=0x81aac44) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81a9bb0) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d298) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 14 (process 22214):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81abd64, t=0x81abd4c) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81aacb8) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x81a66e0) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 13 (process 22215):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81ace6c, t=0x81ace54) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81abdc0) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d310) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 12 (process 22216):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81adf74, t=0x81adf5c) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81acec8) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d328) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 11 (process 22217):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81af07c, t=0x81af064) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81adfd0) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d340) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 10 (process 22218):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81b0184, t=0x81b016c) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81af0d8) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x81a68a8) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 9 (process 22219):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81b128c, t=0x81b1274) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81b01e0) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x81a6910) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 8 (process 22220):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7a91eb4 in ast_cond_wait (cond=0x81b2394, t=0x81b237c) at lock.h:733
#4  0xb7a86494 in iax2_process_thread (data=0x81b12e8) at chan_iax2.c:8346
#5  0x080f8ca4 in dummy_start (data=0x819d340) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 7 (process 22221):
#0  0xb7f148b6 in nanosleep () from /lib/libpthread.so.0
#1  0x00000001 in ?? ()
#2  0xb7f104ca in __pthread_timedsuspend_new () from /lib/libpthread.so.0
#3  0xb7f0d115 in pthread_cond_timedwait_relative () from /lib/libpthread.so.0
#4  0xb7a91ee5 in ast_cond_timedwait (cond=0xb7aa1700, t=0xb7a9f938, abstime=0xbd3ffa7c) at lock.h:738
#5  0xb7a87ffa in sched_thread (ignore=0x0) at chan_iax2.c:8797
#6  0x080f8ca4 in dummy_start (data=0x81a6a50) at utils.c:852
#7  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#8  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 6 (process 22222):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x080a8fca in ast_io_wait (ioc=0x819f9a0, howlong=-1) at io.c:266
#3  0xb7a88314 in network_thread (ignore=0x0) at chan_iax2.c:8866
#4  0x080f8ca4 in dummy_start (data=0x81a6ad8) at utils.c:852
#5  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#6  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 5 (process 22223):
#0  0xb7e39076 in nanosleep () from /lib/libc.so.6
#1  0x00000000 in ?? ()
#2  0xb7e38ebf in sleep () from /lib/libc.so.6
#3  0xb7a21c39 in scan_thread (unused=0x0) at pbx_spool.c:437
#4  0x080f8ca4 in dummy_start (data=0x81d4088) at utils.c:852
#5  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#6  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 4 (process 22224):
#0  0xb7f109f3 in __pthread_sigsuspend () from /lib/libpthread.so.0
#1  0xb7f0ff88 in __pthread_wait_for_restart_signal () from /lib/libpthread.so.0
#2  0xb7f0ccd8 in pthread_cond_wait@GLIBC_2.0 () from /lib/libpthread.so.0
#3  0xb7990fa8 in ast_cond_wait (cond=0xb7997560, t=0xb7997548) at lock.h:733
#4  0xb7982510 in device_state_thread (data=0x0) at app_queue.c:658
#5  0x080f8ca4 in dummy_start (data=0x81c20d8) at utils.c:852
#6  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#7  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 3 (process 22226):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x0806ee7e in monitor_sig_flags (unused=0x0) at asterisk.c:2524
#3  0x080f8ca4 in dummy_start (data=0x81e5ac8) at utils.c:852
#4  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 2 (process 23430):
#0  0xb7e620c1 in loser_poll () from /lib/libc.so.6
#1  0xb7e62049 in poll () from /lib/libc.so.6
#2  0x0806a401 in netconsole (vconsole=0x816e440) at asterisk.c:929
#3  0x080f8ca4 in dummy_start (data=0x81e7e90) at utils.c:852
#4  0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#5  0xb7e6aeca in clone () from /lib/libc.so.6

Thread 1 (process 22211):
#0  0xb7e13ffe in malloc_consolidate () from /lib/libc.so.6
#1  0xb7e13703 in _int_malloc () from /lib/libc.so.6
#2  0xb7e15152 in malloc_check () from /lib/libc.so.6
#3  0xb7e12fed in calloc () from /lib/libc.so.6
#4  0x080f7da0 in _ast_calloc (num=1, len=1296, file=0xb7a964b3 "chan_iax2.c", lineno=1187, func=0xb7a965e6 "new_iax")
    at utils.h:359
#5  0xb7a669db in new_iax (sin=0x81a7778, host=0xbe7ff924 "communiceer-outgoing") at chan_iax2.c:1187
#6  0xb7a67605 in find_callno (callno=0, dcallno=0, sin=0x81a7778, new=2, sockfd=17) at chan_iax2.c:1390
#7  0xb7a87738 in iax2_poke_peer (peer=0x81a76e8, heldcall=0) at chan_iax2.c:8652
#8  0xb7a7c130 in __iax2_poke_peer_s (data=0x81a76e8) at chan_iax2.c:6282
#9  0xb7a8655b in iax2_process_thread (data=0x81a79a0) at chan_iax2.c:8374
#10 0x080f8ca4 in dummy_start (data=0x819d298) at utils.c:852
#11 0xb7f0e54e in pthread_start_thread () from /lib/libpthread.so.0
#12 0xb7e6aeca in clone () from /lib/libc.so.6