(gdb) bt
#0  0x00bd4bfe in _int_malloc () from /lib/tls/libc.so.6
#1  0x00bd6796 in calloc () from /lib/tls/libc.so.6
#2  0x0810fe3b in _ast_calloc (num=1, len=180, file=0x535a7ab "iax2-parser.c", lineno=972, func=0x535b789 "iax_frame_new")
    at /usr/src/asterisk-trunk/1.4/r105409/asterisk-1.4/include/asterisk/utils.h:359
#3  0x053524c3 in iax_frame_new (direction=2, datalen=0, cacheable=0) at iax2-parser.c:972
#4  0x0532b9b4 in iax2_send (pvt=0xb702fcc8, f=0x11e41b0, ts=0, seqno=-1, now=0, transfer=0, final=0) at chan_iax2.c:4169
#5  0x0532e697 in __send_command (i=0xb702fcc8, type=6 '\006', command=30, ts=0, data=0x0, datalen=0, seqno=-1, now=0, 
    transfer=0, final=0) at chan_iax2.c:4856
#6  0x0532e6f8 in send_command (i=0xb702fcc8, type=6 '\006', command=30, ts=0, data=0x0, datalen=0, seqno=-1)
    at chan_iax2.c:4861
#7  0x05344d5e in iax2_poke_peer (peer=0xb7d24f28, heldcall=0) at chan_iax2.c:8678
#8  0x05337135 in __iax2_poke_peer_s (data=0xb7d24f28) at chan_iax2.c:6282
#9  0x05342af1 in iax2_process_thread (data=0xb7d31b78) at chan_iax2.c:8372
#10 0x08111e80 in dummy_start (data=0xb7d265c8) at utils.c:865
#11 0x00d223cc in start_thread () from /lib/tls/libpthread.so.0
#12 0x00c3b1ae in clone () from /lib/tls/libc.so.6
(gdb) bt full
#0  0x00bd4bfe in _int_malloc () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x00bd6796 in calloc () from /lib/tls/libc.so.6
No symbol table info available.
#2  0x0810fe3b in _ast_calloc (num=1, len=180, file=0x535a7ab "iax2-parser.c", lineno=972, func=0x535b789 "iax_frame_new")
    at /usr/src/asterisk-trunk/1.4/r105409/asterisk-1.4/include/asterisk/utils.h:359
        p = (void *) 0x9f59438
        __PRETTY_FUNCTION__ = "_ast_calloc"
#3  0x053524c3 in iax_frame_new (direction=2, datalen=0, cacheable=0) at iax2-parser.c:972
        fr = (struct iax_frame *) 0x0
        iax_frames = (struct iax_frames *) 0x9f59438
        __PRETTY_FUNCTION__ = "iax_frame_new"
#4  0x0532b9b4 in iax2_send (pvt=0xb702fcc8, f=0x11e41b0, ts=0, seqno=-1, now=0, transfer=0, final=0) at chan_iax2.c:4169
        fh = (struct ast_iax2_full_hdr *) 0x81100dd
        mh = (struct ast_iax2_mini_hdr *) 0x11e41a8
        vh = (struct ast_iax2_video_hdr *) 0x1
        frb = {fr2 = {sockfd = 0, callno = 0, dcallno = 0, data = 0x0, datalen = 0, retries = 0, ts = 1048608, retrytime = 0, 
    outoforder = 0, sentyet = 1, transfer = 1, final = 0, direction = 1, cacheable = 0, oseqno = 5, iseqno = 0, retrans = 0, 
    list = {next = 0xb70b9858}, af = {frametype = 0, subclass = 0, datalen = 0, samples = 0, mallocd = 0, 
      mallocd_hdr_len = 0, offset = 0, src = 0x0, data = 0x0, delivery = {tv_sec = 0, tv_usec = 0}, frame_list = {
        next = 0x0}, flags = 0, ts = 0, len = 0, seqno = 0}, afdatalen = 4096, 
    unused = '\0' <repeats 45 times>, "\020", '\0' <repeats 17 times>, afdata = 0x11e3164 ""}, 
  buffer = '\0' <repeats 264 times>, "¥\2203\005", '\0' <repeats 172 times>, "\001", '\0' <repeats 951 times>, "\224\027½\000\000D=¼\000\000\234=\036\001\0207\036\001mµ\000\234=\036\001<>\036\001|>\036\001\000\000\000\000|>\036\001\000?024\025\b\000\000\000\00047\036\001\000D=¼\000P?\036\001(\000\000\000\000\000\000\000\000\000\000\000\000?024\025\bx=\036\001·?\000\234=\036\001", '\0' <repeats 24 times>, "\001?5\005v\2155\005¨=\036\001·?\000?\036\001v\2155\005\001", '\0' <repeats 35 times>, "d=\036\001¸?\000"...}
        fr = (struct iax_frame *) 0xb7042298
        res = 0
        sendmini = 0
        lastsent = 0
        fts = 11
        __PRETTY_FUNCTION__ = "iax2_send"
#5  0x0532e697 in __send_command (i=0xb702fcc8, type=6 '\006', command=30, ts=0, data=0x0, datalen=0, seqno=-1, now=0, 
    transfer=0, final=0) at chan_iax2.c:4856
        f = {frametype = AST_FRAME_IAX, subclass = 30, datalen = 0, samples = 0, mallocd = 0, mallocd_hdr_len = 0, 
  offset = 0, src = 0x535697e "__send_command", data = 0x0, delivery = {tv_sec = 0, tv_usec = 0}, frame_list = {next = 0x0}, 
  flags = 0, ts = 0, len = 0, seqno = 0}
        __FUNCTION__ = "__send_command"
#6  0x0532e6f8 in send_command (i=0xb702fcc8, type=6 '\006', command=30, ts=0, data=0x0, datalen=0, seqno=-1)
    at chan_iax2.c:4861
No locals.
#7  0x05344d5e in iax2_poke_peer (peer=0xb7d24f28, heldcall=0) at chan_iax2.c:8678
        __PRETTY_FUNCTION__ = "iax2_poke_peer"
#8  0x05337135 in __iax2_poke_peer_s (data=0xb7d24f28) at chan_iax2.c:6282
        peer = (struct iax2_peer *) 0xb7d24f28
#9  0x05342af1 in iax2_process_thread (data=0xb7d31b78) at chan_iax2.c:8372
        _buffer = {__routine = 0x534249c <iax2_process_thread_cleanup>, __arg = 0xb7d31b78, __canceltype = 75, 
  __prev = 0x11e4370}
        thread = (struct iax2_thread *) 0xb7d31b78
        tv = {tv_sec = 167010648, tv_usec = 13778679}
        ts = {tv_sec = 18760520, tv_nsec = 12433158}
        put_into_idle = 1
        __PRETTY_FUNCTION__ = "iax2_process_thread"
#10 0x08111e80 in dummy_start (data=0xb7d265c8) at utils.c:865
        _buffer = {__routine = 0x806a1bb <ast_unregister_thread>, __arg = 0x11e4ba0, __canceltype = 0, __prev = 0x0}
        ret = (void *) 0x0
        a = {start_routine = 0x5342562 <iax2_process_thread>, data = 0xb7d31b78, 
  name = 0xb7d26670 "iax2_process_thread  started at [ 8883] chan_iax2.c start_network_thread()"}
        lock_info = (struct thr_lock_info *) 0x9f49f48
        mutex_attr = {__mutexkind = 1}
#11 0x00d223cc in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#12 0x00c3b1ae in clone () from /lib/tls/libc.so.6
---Type <return> to continue, or q <return> to quit--- 
No symbol table info available.