(gdb) bt
#0  0x00b05479 in free () from /lib/tls/libc.so.6
#1  0x08058a18 in ast_frfree (fr=0xbc6ff4) at frame.c:281
#2  0xb7551432 in dial_exec_full (chan=0xb6ffd340, data=0x8705ec0, peerflags=0xb6db57f8)
    at app_dial.c:645
#3  0xb755432d in dial_exec (chan=0xbc87e4, data=0x0) at app_dial.c:1600
#4  0x080861fd in pbx_exec (c=0xb6ffd340, app=0xbc87e4, data=0xb6db5b4a, newstack=1) at pbx.c:483
#5  0xb7e12d7c in handle_exec (chan=0xbc87e4, agi=0xbc87e4, argc=3, argv=0xb6ffd340)
    at res_agi.c:1083
#6  0xb7e14ecb in agi_exec_full (chan=0xb6ffd340, data=0xb7e1b140, enhanced=0, dead=0)
    at res_agi.c:1817
#7  0x08091212 in pbx_extension_helper (c=0xb6ffd340, con=0x0, context=0xb6ffd490 "phones",
    exten=0xb6ffd584 "92351087", priority=2, label=0x0,
    callerid=0xb6dbb0b0 "HuntDial.agi|1|2010|2351087", action=0) at pbx.c:483
#8  0x08092586 in __ast_pbx_run (c=0xb6ffd340) at pbx.c:2182
#9  0x08093fec in pbx_thread (data=0xbc87e4) at pbx.c:2469
#10 0x00ce91d5 in start_thread () from /lib/tls/libpthread.so.0
#11 0x00b692da in clone () from /lib/tls/libc.so.6

(gdb) bt full
#0  0x00b05479 in free () from /lib/tls/libc.so.6
No symbol table info available.
#1  0x08058a18 in ast_frfree (fr=0xbc6ff4) at frame.c:281
No locals.
#2  0xb7551432 in dial_exec_full (chan=0xb6ffd340, data=0x8705ec0, peerflags=0xb6db57f8)
    at app_dial.c:645
        tmpchan = '\0' <repeats 100 times>, "\b¦¦¦", '\0' <repeats 51 times>, "\200", '\0' <repeats 99 times>
        stuff = 0xbc87e4 ""
        tech = 0xe80409bc <Address 0xe80409bc out of bounds>
        res = 0
        u = (struct localuser *) 0x83e18a8
        number = 0xbc87e4 ""
        rest = 0x0
        cur = 0x0
        privcid = "P\000\000\000\006W?(W?¦u\b\b@¦¦¦\000W?tC3¦XW¦\000d&¦\000\000\000\000\000\210\000\000\000\220¦.\b\000\210¦\000¦o¦\000\000\210¦\0000¦.\b,W?¦T¦\000\000\210¦\0000¦.\b¦o¦\000\r\000\000\000\016\000\000\000¦W?¦\0000¦.\b0¦.\b\r\000\000\0000¦.\b\000\000\000\000\r\000\000\000\000\200¦¦0¦.\b0¦.\b0¦.\b¦^¦\000¦o¦\000xW?¦¦\000¦¦¦¦\006\000\000\000¦W?¦^¦\000\230W?$¦¦\000!\000\000\000H\024¦\000H\001\000\000\000\220?\000\020\000\000"...
        privintro = "d&¦\000!N¦\000\210\000\000\000\220¦:\b\217j¦¦o¦\000\000\000\000\000\000\000\000\000\fS?¦T¦\000\000\210¦\0000¦:\b¦o¦\000\030\000\000\000\031\000\000\000¦S?¦\0000¦:\b0¦:\b\030\000\000\0000¦:\b\000\000\000\000\030\000\000\000\000\200¦¦0¦:\b0¦:\b0¦:\b0¦:\bH¦:\b\224¦:\b0¦:\b\224¦:\b\000\000\000\000!N¦", '\0' <repeats 13 times>, "¦\002V¦\000\000\000\000\000\000\000\000!\000\000\000\000\000\000\000\204\030V¦r¦U¦Zap\000R19\000¦¦¦¦\000\000\000\000K\000\000\000 U?@¦¦"...
        outgoing = (struct localuser *) 0x84165f8
        tmp = (struct localuser *) 0x84165f8
        to = 50826
        numbusy = 0
        numcongestion = 0
        numnochan = 0
        cause = 0
        numsubst = "83/w2351087\0003\r\006\b¦R?", '\0' <repeats 16 times>, "i\000\000\000¦us\b\000\000\000\000Zap/83-1", '\0' <repeats 23 times>
        restofit = '\0' <repeats 32 times>, "\n\000\000\000\000\000\000\000\t", '\0' <repeats 19 times>, "\001\000\000\0008X?\030W?\214j¦\r\000\000"
        cidname = "¦o¦\000\001\000\000\000\000\210¦\000\030R?Fo¦\000\000\210¦\000\016\000\000\000\000\000\000\000¦¦¦\000\016\000\000\000¦us\b¦\030>\by¦¦\000¦\030>\b\210R?\232¦d \000\000\000\000\001\000\000\000\000\000\000\000\000\000\000"
        toast = '\0' <repeats 76 times>, "\030\000\000"
        l = 0x8705ec0 "H\210¦"
        privdb_val = 0
        calldurationlimit = 0
        config = {features_caller = {flags = 0}, features_callee = {flags = 0}, start_time = {
    tv_sec = 0, tv_usec = 0}, feature_timer = 0, timelimit = 11403029,
  play_warning = -1227139304, warning_freq = -1227140376, warning_sound = 0x0, end_sound = 0x0,
  start_sound = 0x0, firstpass = 0, flags = 0}
        timelimit = 0
        play_warning = 0
        warning_freq = 0
        warning_sound = 0xbc87e4 ""
        end_sound = 0x0
        start_sound = 0x0
        dtmfcalled = 0x0
        dtmfcalling = 0x0
        var = 0xbc87e4 ""
        status = "NOANSWER", '\0' <repeats 140 times>, "¦'¦\000¦S¦\000\000\000\000\000Q?\000\000\000\000\000¦o¦\000\000\000\000\000\216j¦,W?\027¦\000LW?\216j¦\001", '\0' <repeats 58 times>
        play_to_caller = 141582016
        play_to_callee = 0
        sentringing = 1
        moh = 0
        outbound_group = 0x0
        macro_result = 0x8705ec0 "H\210¦"
        macro_transfer_dest = 0x8705ec0 "H\210¦"
        digit = 0
        result = 0
        start_time = 1135411876
        answer_time = 0
        end_time = 0
        app = (struct ast_app *) 0xe80409bc
        parse = 0xb6db47c0 "Zap"
        args = {argc = 3, argv = 0xb6db5034, peers = 0xb6db47c0 "Zap",
  timeout = 0xb6db47d0 "60", options = 0xb6db47d3 "Crg", url = 0x0}
        opts = {flags = 131106}
        opt_args = {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}
        __PRETTY_FUNCTION__ = "dial_exec_full"
#3  0xb755432d in dial_exec (chan=0xbc87e4, data=0x0) at app_dial.c:1600
        peerflags = {flags = 32}
#4  0x080861fd in pbx_exec (c=0xb6ffd340, app=0xbc87e4, data=0xb6db5b4a, newstack=1) at pbx.c:483
        res = 12355556
        saved_c_appl = 0x812ca50 "AGI"
        saved_c_data = 0xb6dbb0b0 "HuntDial.agi|1|2010|2351087"
        execute = (int (*)(struct ast_channel *, void *)) 0xb7554310 <dial_exec>
        __PRETTY_FUNCTION__ = "pbx_exec"
#5  0xb7e12d7c in handle_exec (chan=0xbc87e4, agi=0xbc87e4, argc=3, argv=0xb6ffd340)
    at res_agi.c:1083
        res = -1224748224
        app = (struct ast_app *) 0x0
        __PRETTY_FUNCTION__ = "handle_exec"
#6  0xb7e14ecb in agi_exec_full (chan=0xb6ffd340, data=0xb7e1b140, enhanced=0, dead=0)
    at res_agi.c:1817
        c = (struct ast_channel *) 0xbc87e4
        ms = -1
        returnstatus = 0
        buf = "EXEC\000Dial\000Zap/83/w2351087|60|Crg\000\000 (1), Number (2351087), Using Group (19), Now Using Channel (83), \000\"", '\0' <repeats 294 times>, "d&¦\000\000\000\000\000\000\000\000\000¦o¦\000,]?\b]?q9¦\000,]?¦^?}n¦2\000\000\000\000}n?¦o¦\000\024¦\017\b¦n?\030^?v¦\000,]?\024¦\017\b\030o?¦^?\000\000\000\000"...
        outfd = 328
        f = (struct ast_frame *) 0xb7e1b140
        readf = (FILE *) 0x83f59a0
        retry = 3
        res = -1227135808
        u = (struct localuser *) 0x82a8ed8
        argv = {0xb6db64d0 "HuntDial.agi", 0xb6db64dd "1", 0xb6db64df "2010",
  0xb6db64e4 "2351087", 0x0 <repeats 104 times>, 0x6c6c6163 <Address 0x6c6c6163 out of bounds>,
  0x6c6c612c <Address 0x6c6c612c out of bounds>, 0x0 <repeats 13 times>, 0xb7e1543e "\201¦¦,",
  0x0, 0x0, 0x0, 0x0}
        buf = "HuntDial.agi\0001\0002010\0002351087", '\0' <repeats 2020 times>
        tmp = 0x0
        argc = 4
        fds = {328, 335}
        efd = -1
        pid = 14158
        agi = {fd = 335, audio = -1, ctrl = 328}
        __PRETTY_FUNCTION__ = "agi_exec_full"
#7  0x08091212 in pbx_extension_helper (c=0xb6ffd340, con=0x0, context=0xb6ffd490 "phones",
    exten=0xb6ffd584 "92351087", priority=2, label=0x0,
    callerid=0xb6dbb0b0 "HuntDial.agi|1|2010|2351087", action=0) at pbx.c:483
        e = (struct ast_exten *) 0x82540c0
        sw = (struct ast_switch *) 0x0
        data = 0x0
        foundcontext = 0x82f0b87 "huntgroups"
        newstack = 1
        res = 0
        status = 5
        incstack = {0x8220ae0 "phones", 0x8222b30 "vservices", 0x81e2990 "phonesextens",
  0x8253e30 "hotextens", 0xb02664 "\201¦\220I\f", 0x0, 0x0, 0xbc6ff4 "<m¦",
  0xb6dbd120 "\001\200¦¦`¦?`¦?`¦?`¦?u¦?¦¦?`¦?¦¦?", 0xb6dbd0fc "\f¦?v¦",
  0xb03971 "\211~\020\213U\024\211~\f\211~\004\205¦t6\213U\024\213}¦\211V\024\211V\b1¦\211~\030\211\226\230", 0xb6dbd120 "\001\200¦¦`¦?`¦?`¦?`¦?u¦?¦¦?`¦?¦¦?",
  0xb6dbd260 "\"Support\" <2010>", 0xb6dbd2af "", 0x0, 0xb6dbd2af "", 0xbc6ff4 "<m¦",
  0x80f93be "\"%s\" <%s>", 0xb6dbd23c "\2108¦¦A?", 0xb6dbd20c "(¦?¦f¦",
  0xafe176 "\213\215\f¦¦¦\211¦9\2150¦¦¦t\t\213¦(¦¦¦¦\006",
  0xb6dbd120 "\001\200¦¦`¦?`¦?`¦?`¦?u¦?¦¦?`¦?¦¦?", 0x80f93be "\"%s\" <%s>",
  0xb6dbd244 "", 0xb6dbd260 "\"Support\" <2010>", 0x0, 0xb6dbd1c0 "",
  0xb6dbd120 "\001\200¦¦`¦?`¦?`¦?`¦?u¦?¦¦?`¦?¦¦?",
  0xfbad8001 <Address 0xfbad8001 out of bounds>, 0xb6dbd260 "\"Support\" <2010>",
  0xb6dbd260 "\"Support\" <2010>", 0xb6dbd260 "\"Support\" <2010>",
  0xb6dbd260 "\"Support\" <2010>", 0xb6dbd275 "", 0xb6dbd2af "",
  0xb6dbd260 "\"Support\" <2010>", 0xb6dbd2af "", 0x0 <repeats 14 times>,
  0xffffffff <Address 0xffffffff out of bounds>, 0x0 <repeats 13 times>, 0xbc6a20 "", 0x0, 0x0,
  0x0, 0xb04a31 "\201¦¦%\f", 0x0, 0x88 "", 0x48 "", 0xbc8848 "", 0x0, 0xbc8834 "", 0xbc8838 "",
  0xbc8800 "", 0xbc6ff4 "<m¦", 0x0, 0xfffffff0 <Address 0xfffffff0 out of bounds>,
  0xb6dbd28c "", 0xb0575d "\215v", 0x0, 0xbc6ff4 "<m¦", 0x50 "", 0x80f93be "\"%s\" <%s>",
  0xb6dbd228 "\200\203V\b\234_\n\b`¦?P",
  0xae66d2 "\203¦\020[]¦\220\220\220\220\220\220\220\220U\211¦\215M\020S\203¦\f\213U\f\211L$\b\213E\b¦x%¦¦\201¦¦\b\016", 0xb6dbd260 "\"Support\" <2010>", 0x50 "", 0x80f93be "\"%s\" <%s>",
  0xb6dbd23c "\2108¦¦A?", 0xb6ffd340 "SIP/2010-30c5", 0x8568380 "\"Support\" <2010>",
  0x80a5f9c "¦o¦¦¦\211D$\024¦¦\006\020\b¦¦\v\020\b\211T$\020¦^\002",
  0xb6dbd260 "\"Support\" <2010>", 0x50 "", 0x80f93be "\"%s\" <%s>",
  0xb6fc3888 "Support", 0xb6ca41c0 "2010", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xb6ca41c0 "2010",
  0x72614d22 <Address 0x72614d22 out of bounds>, 0x207a616b <Address 0x207a616b out of bounds>,
  0x61796150 <Address 0x61796150 out of bounds>, 0x3c20226d <Address 0x3c20226d out of bounds>,
  0x30313032 <Address 0x30313032 out of bounds>, 0x3e "", 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
  0x0, 0xb1e616 "\211¦=\001¦¦¦s\001¦¦I6\b", 0x80a52fa "\213L$\030\213t$\034\211\213\200\002",
  0xb6dbd2b8 "¦\002¦C\002", 0x0, 0x0, 0x0}
        passdata = "HuntDial.agi|1|2010|2351087", '\0' <repeats 8164 times>
        stacklen = 4
        tmp = '\0' <repeats 79 times>
        tmp2 = '\0' <repeats 79 times>
        tmp3 = '\0' <repeats 6808 times>, "$U¦\000\000\000\000\000[¦¦Cv¦\000\000\000\000\000\000[¦
¦Cv¦\000\000[¦¦Ch\204\221¦E]\005\bh\204\221¦[¦¦Cv¦\000\000\001", '\0' <repeats 11 times>, "H\210¦\000\000\000\000\000IncomingCall.agi|2354603", '\0' <repeats 1287 times>
        atmp = '\0' <repeats 79 times>
        atmp2 = '\0' <repeats 5236 times>, "¦'¦\000¦S¦\000\000\000\000\000Q?\000\000\000\000\000¦o¦\000\000\000\000\000¦'¦\000¦S¦\000\\¦\017\bQ?\000\000\000\000\000¦o¦\000\000\000\000\000x¦\017\b(\212?¦'¦\000¦S¦\000x¦\017\bQ?\000\000\000\000\000¦o¦\000\000\000\000\000¦'¦\000¦S¦\000\027¦\000Q?\000\000\000\000\000¦o¦\000\000\000\000\000\203¦?h\212?\027¦\000\214\212?\203¦?\005", '\0' <repeats 15 times>, "\025¦¦\000??¦\205?", '\0' <repeats 20 times>, "t¦?\025¦¦\0008\212?\b\206?", '\0' <repeats 16 times>...
        __PRETTY_FUNCTION__ = "pbx_extension_helper"
#8  0x08092586 in __ast_pbx_run (c=0xb6ffd340) at pbx.c:2182
        digit = 0
        exten = '\0' <repeats 255 times>
        pos = 0
        waittime = 2
        res = 0
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#9  0x08093fec in pbx_thread (data=0xbc87e4) at pbx.c:2469
No locals.
#10 0x00ce91d5 in start_thread () from /lib/tls/libpthread.so.0
No symbol table info available.
#11 0x00b692da in clone () from /lib/tls/libc.so.6
No symbol table info available.

(gdb) frame 1
#1  0x08058a18 in ast_frfree (fr=0xbc6ff4) at frame.c:281
281     frame.c: No such file or directory.
        in frame.c

(gdb) p *fr
$1 = {frametype = 12348732, subclass = 11242390, datalen = 0, samples = 12193264,
  mallocd = 11563360, offset = 11562608, src = 0xb07610 "U\211¦\203¦4\211]¦¦S\026¦¦\201¦¦¦\v",
  data = 0xb07440, delivery = {tv_sec = 11114272, tv_usec = 11555888}, prev = 0x0, next = 0x0}

(gdb) frame 2
#2  0xb7551432 in dial_exec_full (chan=0xb6ffd340, data=0x8705ec0, peerflags=0xb6db57f8)
    at app_dial.c:645
645     app_dial.c: No such file or directory.
        in app_dial.c

(gdb) p *chan
$2 = {name = "SIP/2010-30c5", '\0' <repeats 66 times>, tech = 0xb7ce52a0, tech_pvt = 0xb6fbd058,
  language = "en", '\0' <repeats 17 times>, type = 0xb7ce4340 "SIP", fds = {186, 276, 293, 324,
    -1, -1, 327, -1}, musicclass = "default", '\0' <repeats 12 times>, music_state = 0x0,
  generatordata = 0x0, generator = 0x0, _bridge = 0x0, masq = 0x0, masqr = 0x0, cdrflags = 0,
  _softhangup = 0, whentohangup = 0, blocker = 3067861936, lock = {__m_reserved = 0,
    __m_count = 0, __m_owner = 0x0, __m_kind = 1, __m_lock = {__status = 0, __spinlock = 0}},
  blockproc = 0x80f56c4 "ast_waitfor_nandfds", appl = 0xb74095d0 "Dial",
  data = 0xb6db5b4a "Zap/83/w2351087|60|Crg", fdno = 0, sched = 0xb70f7198, streamid = -1,
  stream = 0x0, vstreamid = 0, vstream = 0x0, oldwriteformat = 0, timingfd = 327,
  timingfunc = 0, timingdata = 0x0, _state = 4, rings = 0, nativeformats = 4, readformat = 4,
  writeformat = 4, cid = {cid_dnid = 0xb70109e0 "92351087", cid_num = 0xb6ca41c0 "2010",
    cid_name = 0xb6fc3888 "Support", cid_ani = 0x0, cid_rdnis = 0x0, cid_pres = 0,
    cid_ani2 = 0, cid_ton = 0, cid_tns = 0}, context = "phones", '\0' <repeats 73 times>,
  macrocontext = '\0' <repeats 79 times>, macroexten = '\0' <repeats 79 times>,
  macropriority = 0, exten = "92351087", '\0' <repeats 71 times>, priority = 2,
  dtmfq = '\0' <repeats 79 times>, dtmff = {frametype = 0, subclass = 0, datalen = 0,
    samples = 0, mallocd = 0, offset = 0, src = 0x0, data = 0x0, delivery = {tv_sec = 0,
      tv_usec = 0}, prev = 0x0, next = 0x0}, pbx = 0x86f5298, amaflags = 3,
  accountcode = '\0' <repeats 19 times>, cdr = 0x8568380, adsicpe = 2,
  call_forward = '\0' <repeats 79 times>, zone = 0x0, monitor = 0x0, insmpl = 0, outsmpl = 0,
  fin = 0, fout = 0, uniqueid = "1135411876.26504", '\0' <repeats 15 times>, hangupcause = 0,
  varshead = {first = 0x83dfc28, last = 0xb6efdb70}, callgroup = 0, pickupgroup = 0,
  flags = 512, transfercapability = 0, readq = 0x0, alertpipe = {-1, -1}, writetrans = 0x0,
  readtrans = 0x0, rawreadformat = 4, rawwriteformat = 4, spies = 0x0, next = 0x844d358}

(gdb) p (char *)data
$3 = 0x8705ec0 "H\210¦"

(gdb)