(gdb) bt full
#0  0x0000000000464a06 in ast_cdr_specialized_reset (cdr=0x0, _flags=0x0) at cdr.c:1199
        __p = 64
        __x = 0
        flags = {flags = 0}
#1  0x00000000004c327d in ast_bridge_call (chan=0x7fcc3c0009a8, peer=0x7fcc600046c8, config=0x7fcc132e5b80) at features.c:4540
        chan_ptr = 0x0
        f = 0x0
        who = 0x7fcc600046c8
        chan_featurecode = '\000' <repeats 11 times>
        peer_featurecode = '\000' <repeats 11 times>
        orig_channame = "IAX2/2121-2242", '\000' <repeats 65 times>
        orig_peername =
    "2101@2101-0\000\000\000\000\000\003\000\000\000\000\000\000\000PI.\023\000\000\000\000\300I.\023\314\177\000\000$-M\000\000\000\000\000\340J.\023\314\177\000\000\070\020\000<\314\177\000\000\243\206\001", '\000' <repeats 12 times>
        res = -1
        diff = 1610632672
        hasfeatures = 0
        hadfeatures = 0
        autoloopflag = 32716
        sendingdtmfdigit = 0
        we_disabled_peer_cdr = 0
        aoh = 0x47b0ec
        bridge_cdr = 0x7fcc60003d60
        chan_cdr = 0x7fcc3c003390
        peer_cdr = 0x7fcc60006d10
        new_chan_cdr = 0x7fcc18013620
        new_peer_cdr = 0x0
        silgen = 0x0
        h_context = 0x0
        __PRETTY_FUNCTION__ = "ast_bridge_call"
#2  0x00007fcc3ade84c4 in dial_exec_full (chan=0x7fcc3c0009a8, data=0x7fcc132e8490 "USTM/2101@2101,,tT", peerflags=0x7fcc132e62a0,
    continue_exec=0x0) at app_dial.c:2953
        number = 0x7fcc600010e1 "2101@2101"
        res = 0
        rest = 0x0
        cur = 0x0
        outgoing = 0x0
        peer = 0x7fcc600046c8
        to = -1
        num = {chan = 0x7fcc3c0009a8, busy = 0, congestion = 0, nochan = 0}
        cause = 0
        numsubst =
    "2101@2101\000.\023\314\177\000\000\000\000\000\000\000\000\000\000@\\.\023\314\177\000\000\b\000\000\000\000\000\000\000\371\000\000\000\000\000\000\000\t\000\000\000\000\000\000\000 \000\000`\314\177\000\000\200\356\030/5\000\000\000?\347.5\000\000\000\320\340\001\000\000\000\000\000\000\001\000\000\000\000\000\000\360\\.\023\314\177\000\000\320c.\023\314\177\000\000\300\271.\023\314\177\000\000\000\000\000\000\000\000\000\000\003\000\000\000\061\064\000\000\350hW\000\000\000\000\000\000\000\000\000\377\377\377\377\000\001\000\000\000\000\000\000\200].\023\314\17---Type <return> to continue, or q <return> to quit---
7\000\000\320c.\023\314\177\000\000\300\271.\023\314\177\000\000\000\001\000\000\000\000\000\000\200].\023\314\177\000\000\320c.\023\314\177\000\000\260?", '\000' <repeats 13 times>"\367, \246`/5\000\000\000\371HV\000\000\000\000\000\320\003"...
        config = {features_caller = {flags = 2}, features_callee = {flags = 2}, start_time = {tv_sec = 1347586780, tv_usec = 859891},
          nexteventts = {tv_sec = 0, tv_usec = 0}, feature_start_time = {tv_sec = 0, tv_usec = 0}, feature_timer = 0, timelimit = 0,
          play_warning = 0, warning_freq = 0, warning_sound = 0x0, end_sound = 0x0, start_sound = 0x0, flags = 3, end_bridge_callback =
    0x7fcc3ade23bb <end_bridge_callback>, end_bridge_callback_data = 0x7fcc3c0009a8, end_bridge_callback_data_fixup =
    0x7fcc3ade250e <end_bridge_callback_data_fixup>}
        calldurationlimit = {tv_sec = 0, tv_usec = 0}
        dtmfcalled = 0x0
        dtmfcalling = 0x0
        dtmf_progress = 0x0
        pa = {sentringing = 1, privdb_val = 0, privcid = '\000' <repeats 255 times>, privintro = '\000' <repeats 1023 times>, status =
    "ANSWER\000R\000GS", '\000' <repeats 244 times>}
        sentringing = 0
        moh = 0
        outbound_group = 0x0
        result = 0
        parse = 0x7fcc132e4c40 "USTM"
        opermode = 0
        delprivintro = 0
        args = {argc = 3, argv = 0x7fcc132e5530, peers = 0x7fcc132e4c40 "USTM", timeout = 0x7fcc132e4c4f "", options = 0x7fcc132e4c50 "tT",
          url = 0x0}
        opts = {flags = 1572864}
        opt_args = {0x7fcc60000dc0 "mixmonitor_thread    started at [  598] app_mixmonitor.c launch_monitor_thread()",
    0x50 <Address 0x50 out of bounds>, 0x3 <Address 0x3 out of bounds>, 0x352ee6eec3 "H\205\300H\211\003tp\306D(\377",
    0xfbad8000 <Address 0xfbad8000 out of bounds>, 0x352ee7410e "H\211E(\353\273\017\037@", 0x0, 0x7fcc132e5ba0 "",
    0x80 <Address 0x80 out of bounds>, 0x7fcc132e5d40 "x\020", 0x5ba891 "", 0x352ee443e9 "f\203;", 0x80 <Address 0x80 out of bounds>, 0x0,
    0x0, 0x0, 0x0}
        datastore = 0x7fcc60000ff0
        fulldial = 0
        num_dialed = 1
        ignore_cc = 1
        device_name =
    "2101@2101\000\060\000\314\177\000\000Q\000\000\000\000\000\000\000\260\r\000`\314\177\000\000`\000\000\000\000\000\000\000?\347.5\000\000\000d\000\000\000\000\000\000\000\260T.\023\314\177\000\000\300\r\000`\314\177\000\000\200\020\000`\314\177\000"
        forced_clid_name =
    '\000' <repeats 32 times>, "\a\000\000\000\000\000\000\000\001", '\000' <repeats 15 times>"\220, ", '\000' <repeats 22 times>
        stored_clid_name = "\000\000\000\000\060\000\000\000\260V.\023\314\177\000\000\360U.\023\314\177", '\000' <repeats 57 times>
        force_forwards_only = 0
        forced_clid = {name = {str = 0x0, char_set = 1, presentation = 0, valid = 0 '\000'}, number = {str = 0x0, plan = 0, presentation = 1,
            valid = 0 '\000'}, subaddress = {str = 0x0, type = 0, odd_even_indicator = 0 '\000', valid = 0 '\000'}, tag = 0x0}
        stored_clid = {name = {str = 0x0, char_set = 1, presentation = 0, valid = 0 '\000'}, number = {str = 0x7fcc132e4c20 "2101", plan = 0,
            presentation = 0, valid = 1 '\001'}, subaddress = {str = 0x0, type = 0, odd_even_indicator = 0 '\000', valid = 0 '\000'}, tag =
    0x0}
        caller = {id = {name = {str = 0x0, char_set = 1, presentation = 0, valid = 1 '\001'}, number = {str = 0x0, plan = 0, presentation = 0,
              valid = 1 '\001'}, subaddress = {str = 0x0, type = 0, odd_even_indicator = 0 '\000', valid = 0 '\000'}, tag = 0x0}, ani = {
---Type <return> to continue, or q <return> to quit---
            name = {str = 0x0, char_set = 1, presentation = 0, valid = 0 '\000'}, number = {str = 0x0, plan = 0, presentation = 0, valid =
    0 '\000'}, subaddress = {str = 0x0, type = 0, odd_even_indicator = 0 '\000', valid = 0 '\000'}, tag = 0x0}, ani2 = 0}
        __PRETTY_FUNCTION__ = "dial_exec_full"
#3  0x00007fcc3ade8e2b in dial_exec (chan=0x7fcc3c0009a8, data=0x7fcc132e8490 "USTM/2101@2101,,tT") at app_dial.c:3055
        peerflags = {flags = 1572864}
#4  0x000000000050e3c0 in pbx_exec (c=0x7fcc3c0009a8, app=0x1a61550, data=0x7fcc132e8490 "USTM/2101@2101,,tT") at pbx.c:1567
        res = 32716
        u = 0x7fcc60001070
        saved_c_appl = 0x0
        saved_c_data = 0x0
        __PRETTY_FUNCTION__ = "pbx_exec"
#5  0x000000000051850e in pbx_extension_helper (c=0x7fcc3c0009a8, con=0x0, context=0x7fcc3c001278 "intphones", exten=0x7fcc3c0012c8 "2101",
    priority=3, label=0x0, callerid=0x7fcc3c0030c0 "2121", action=E_SPAWN, found=0x7fcc132eab80, combined_find_spawn=1) at pbx.c:4407
        e = 0x1b08df0
        app = 0x1a61550
        res = 1006647744
        q = {incstack = {0x1b078b0 "intphones", 0x0 <repeats 127 times>}, stacklen = 1, status = 5, swo = 0x0, data = 0x0, foundcontext =
    0x1479249 "internal"}
        passdata =
    "USTM/2101@2101,,tT\000\060\061\062\060\071\061\064\061\061\063\071-2121-2101.wav", '\000' <repeats 6236 times>, "\016A\347.5\000\000\000\020\244.\023\314\177\000\000\000\244.\023\314\177\000\000*\000\000\000\000\000\000\000\240\245.\023\314\177\000\000\221\250[\000\000\000\000\000\351C\344.5\000\000\000*\000\000\000\000\000\000\000\016A\347.5\000\000\000P\244.\023\314\177\000\000@\244.\023\314\177\000\000.\000\000\000\000\000\000\000\340\245.\023\314\177\000\000\221\250[\000\000\000\000\000\351C\344.5\000\000\000.", '\000' <repeats 15 times>"\217, \250[\000\000\000\000\000\\\243.\023\314\177\000\000\000\000\000\000\000\000\000\000\060\243.\023\314\177\000\000\000\000\000\000\000\000\000\000?.\023\314\177\000\000\270"...
        matching_action = 0
        __PRETTY_FUNCTION__ = "pbx_extension_helper"
#6  0x000000000051a233 in ast_spawn_extension (c=0x7fcc3c0009a8, context=0x7fcc3c001278 "intphones", exten=0x7fcc3c0012c8 "2101", priority=3,
    callerid=0x7fcc3c0030c0 "2121", found=0x7fcc132eab80, combined_find_spawn=1) at pbx.c:5070
No locals.
#7  0x000000000051aad2 in __ast_pbx_run (c=0x7fcc3c0009a8, args=0x0) at pbx.c:5163
        digit = 0
        invalid = 0
        timeout = 0
        dst_exten =
    "\000\000\000\000\000\000\000\000\340\024\302.5\000\000\000p\252.\023\314\177\000\000\000\253.\023\314\177\000\000\220\251.\023\314\177\000\000\226\222\240.5\000\000\000\000\000\000\000\341\001\000\000\260\252.\023\314\177\000\000\022D\034\062\000\000\000\000\260\252.\023\314\177\000\000*\000\000\000\000\000\000\000`GC\001\000\000\000\000\027e\230$\000\000\000\000\247\233\240.5\000\000\000@\f\000`\314\177\000\000\224a\222\000\000\000\000\000\027\000\000\000\314\177\000\000\224\r`/5", '\000' <repeats 11 times>, "0\254.\023\314\177\000\000\000\017`/5\000\000\000\360$`/5\000\000\000\001\000\000\000\230\004\000\000\377\377\377\377\000\000\000\000\240\253.\023\314\177\000\000\000\000\000\000\n\026\000@P\t\000`\314\177\000\000\000\000\000\000.\000\000\000\210\021\302.5", '\000' <repeats 11 times>, " \236\324q\314\177\000\000\000\300"...
        pos = 0
        found = 1
        res = 0
        autoloopflag = 0
        error = 0
---Type <return> to continue, or q <return> to quit---
        __PRETTY_FUNCTION__ = "__ast_pbx_run"
#8  0x000000000051c818 in pbx_thread (data=0x7fcc3c0009a8) at pbx.c:5504
        c = 0x7fcc3c0009a8
#9  0x00000000005780db in dummy_start (data=0x7fcc3c003a00) at utils.c:1014
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, -85568165963933653, 140514483541216, 140514471885248, 0, 3,
    -85568165989099477, 92366426579359787}, __mask_was_saved = 0}}, __pad = {0x7fcc132eae90, 0x0, 0x7fcc132eba10, 0x0}}
        __cancel_routine = 0x439488 <ast_unregister_thread>
        __cancel_arg = 0x7fcc132eb700
        not_first_call = 0
        ret = 0x352f189860
        a = {start_routine = 0x51c7f3 <pbx_thread>, data = 0x7fcc3c0009a8, name =
    0x7fcc3c003a20 "pbx_thread", ' ' <repeats 11 times>, "started at [ 5530] pbx.c ast_pbx_start()"}
#10 0x000000352f607851 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#11 0x000000352eee811d in clone () from /lib64/libc.so.6
No symbol table info available.
(gdb)