(gdb) bt full
#0  0x00007f13a981bb3e in try_calling (qe=0x7f13fff2df70, opts=..., opt_args=0x7f13fff2df50,
    announceoverride=0x7f13fff2decb "", url=0x7f13fff2deca "", tries=0x7f13fff2f164, noption=0x7f13fff2f160,
    agi=0x7f13fff2decf "", macro=0x7f13fff2ded0 "", gosub=0x7f13fff2ded1 "", ringing=0) at app_queue.c:6698
        blob = 0x0
        cur = 0x0
        outgoing = 0x7f13f4011630
        to = 13777
        orig = 15000
        oldexten = '\000' <repeats 79 times>
        oldcontext = '\000' <repeats 79 times>
        queuename = "debcomainbtn-reception", '\000' <repeats 233 times>
        interfacevar = '\000' <repeats 255 times>
        peer = 0x7f13f4012170
        which = 0xfffffffffff2dc50
        lpeer = 0x7f13f4011630
        member = 0x6ace9b
        application = 0x7f13a982bf0b
        res = 0
        bridge = 0
        numbusies = 0
        x = 1

        announce = 0x0
        digit = 0 '\000'
        now = 1495727558
        bridge_config = {features_caller = {flags = 4}, features_callee = {flags = 2}, start_time = {
            tv_sec = 0, tv_usec = 0}, 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 = 0, end_bridge_callback = 0,
          end_bridge_callback_data = 0x0, end_bridge_callback_data_fixup = 0}
        nondataquality = 1 '\001'
        agiexec = 0x0
        macroexec = 0x0
        gosubexec = 0x0
        monitorfilename = 0x7f13a98328a5 "is_our_turn"
        tmpid = "\000\375&Y\000\000\000\000@/\000\364\023\177\000\000\220\332\362\377\023\177\000\000x\rT\000\000\000\000\000\001\000\000\000\023\177\000\000\001\000\000\000\000\000\000\000\305\375&Y\000\000\000\000\031\335\b\000\000\000\000\000@\316k\000\000\000\000\000\250\262\061\003\000\000\000\000\060\021l\000\000\000\000\000\060s\321\002\231\r\000\000\v\262k\000\000\000\000\000LN]\000\000\000\000\000`\330\362\377\023\177\000\000H\332E\000\000\000\000\000\000\000\000\000\001\000\000\000Hs\321\002\000\000\000\000\350BJ\003\377\377\377\377\060s\321\002\000\000\000\000\340r\321\002\000\000\000\000LN]\000\001\000\000\000\260\331\362\377\023\177\000\000u\361E\000\000\000\000\000\340\330\362\377\023\177\000\000\060\036\322\002\024\177\000\000\000\000\000\000\000\000\000\000\220\332\362\377\023\177\000\000F\001\000\000G\001\000\000P\000\000\000\000\000\000\000\340\330\362\377\023\177"...

        forwardsallowed = 1
        block_connected_line = 0
        memi = {c = 0x0, last_node = 0x0, complete = 0, flags = 0}
        queue_end_bridge = 0x0
        callcompletedinsl = 0
        starttime = 206158430248
        __PRETTY_FUNCTION__ = "try_calling"
#1  0x00007f13a9821d5d in queue_exec (chan=0x3def250,
    data=0x7f13fff2f430 "debcomainbtn-reception,tH,,,60,,,,,,") at app_queue.c:8102
        res = 0
        ringing = 0
        user_priority = 0x7f13f400a1db "0"
        max_penalty_str = 0x0
        min_penalty_str = 0x0
        prio = 0
        qcontinue = 0
        max_penalty = 2147483647
        min_penalty = 2147483647
        reason = QUEUE_UNKNOWN
        tries = 0
        noption = 0

        parse = 0x7f13fff2deb0 "debcomainbtn-reception"
        makeannouncement = 1
        position = 0
        args = {argc = 10, argv = 0x7f13fff2f100, queuename = 0x7f13fff2deb0 "debcomainbtn-reception",
          options = 0x7f13fff2dec7 "tH", url = 0x7f13fff2deca "", announceoverride = 0x7f13fff2decb "",
          queuetimeoutstr = 0x7f13fff2decc "60", agi = 0x7f13fff2decf "", macro = 0x7f13fff2ded0 "",
          gosub = 0x7f13fff2ded1 "", rule = 0x7f13fff2ded2 "", position = 0x7f13fff2ded3 ","}
        qe = {parent = 0x3a55ab0, moh = "debcomainbtn_default", '\000' <repeats 59 times>,
          announce = '\000' <repeats 4095 times>, context = '\000' <repeats 79 times>,
          digits = '\000' <repeats 79 times>, valid_digits = 0, pos = 1, prio = 0, last_pos_said = 0,
          ring_when_ringing = 0, last_periodic_announce_time = 1495727557, last_periodic_announce_sound = 0,
          last_pos = 0, opos = 1, handled = 0, pending = 1, max_penalty = 2147483647, min_penalty = 2147483647,
          linpos = 0, linwrapped = 0, start = 1495727557, expire = 1495727617, cancel_answered_elsewhere = 0,
          chan = 0x3def250, qe_rules = {first = 0x0, last = 0x0}, pr = 0x0, next = 0x0}
        opts = {flags = 8224}
        opt_args = {0x7f13fff2e210 ""}
        max_forwards = 20
        __PRETTY_FUNCTION__ = "queue_exec"
#2  0x00000000005887e9 in pbx_exec (c=0x3def250, app=0x3a58c40,
    data=0x7f13fff2f430 "debcomainbtn-reception,tH,,,60,,,,,,") at pbx_app.c:484
        res = 32531

        u = 0x7f13f4001950
        saved_c_appl = 0x0
        saved_c_data = 0x0
        __PRETTY_FUNCTION__ = "pbx_exec"
#3  0x00000000005752aa in pbx_extension_helper (c=0x3def250, con=0x0,
    context=0x3defc08 "debcomainbtn-application-acd-reception", exten=0x3defc58 "s", priority=19, label=0x0,
    callerid=0x3516c70 "debcomainbtn213", action=E_SPAWN, found=0x7f13fff31b10, combined_find_spawn=1)
    at pbx.c:2884
        e = 0x36dfda0
        app = 0x3a58c40
        substitute = 0x7f13fff2f390 "debcomainbtn-reception,tH,,,${QUEUE_TIMEOUT},,,,,,${QUEUE_RULE}"
        res = -845520
        q = {incstack = {0x0 <repeats 128 times>}, stacklen = 0, status = 5, swo = 0x0, data = 0x0,
          foundcontext = 0x3defc08 "debcomainbtn-application-acd-reception"}
        passdata = "debcomainbtn-reception,tH,,,60,,,,,,\000te\000\000ainbtn_default\000\061", '\000' <repeats 8134 times>
        matching_action = 0
        __PRETTY_FUNCTION__ = "pbx_extension_helper"
#4  0x0000000000578948 in ast_spawn_extension (c=0x3def250,
    context=0x3defc08 "debcomainbtn-application-acd-reception", exten=0x3defc58 "s", priority=19,
    callerid=0x3516c70 "debcomainbtn213", found=0x7f13fff31b10, combined_find_spawn=1) at pbx.c:4109

No locals.
#5  0x00000000005796e6 in __ast_pbx_run (c=0x3def250, args=0x0) at pbx.c:4284
        digit = 0
        invalid = 0
        timeout = 0
        dst_exten = "\000\033\363\377\023\177\000\000\000\000\000\000\001\000\000\000\360\031\363\377\023\177\000\000\t\203]\001\024\177\000\000\000\000\000\000\000\000\000\000 (\v\000\000\000\000\000\340W\000\354\023\177\000\000\b\000\000\000\000\000\000\000 \301\216\001\a\000\000\000\001", '\000' <repeats 15 times>"\360, \016\000\364\023\177", '\000' <repeats 18 times>"\220, \000\000\000\000\000\000\000\a\000\000\000\061\000\000\000[\000\000\000|\000\000\000w\000\000\000n\000\000\000`\033\363\377\023\177\000\000 \000\000\354\023\177\000\000 \033\363\377\023\177\000\000 (\v\000\000\000\000\000\340W\000\354\023\177\000\000`\000\000\000\000\000\000\000 \301\216\001\024\177\000\000\020A\316\002\000\000\000\000\320\032\363\377\001\000\000\000\330\016\000\364\023\177\000\000\220\033\363\377\023\177\000\000t\334E\000\000\000\000\000\300)\363\377\023\177\000\000\000\000\000\000\000\000\000"
        pos = 0
        found = 1
        res = 0
        autoloopflag = 0
        error = 0
        pbx = 0x7f13f4000b90
        callid = 0x0
        __PRETTY_FUNCTION__ = "__ast_pbx_run"

#6  0x000000000057b092 in pbx_thread (data=0x3def250) at pbx.c:4604
        c = 0x3def250
#7  0x0000000000600b02 in dummy_start (data=0x33a71b0) at utils.c:1235
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, -2302743615294408642, 139722056389824,
                139723875232192, 139723674751136, 3, -2302743615269242818, 2174391754739546174},
              __mask_was_saved = 0}}, __pad = {0x7f13fff31e30, 0x0, 0x0, 0x20}}
        __cancel_routine = 0x451c80 <ast_unregister_thread>
        __cancel_arg = 0x7f13fff32700
        not_first_call = 0
        ret = 0x7f14018e8850
        a = {start_routine = 0x57b06d <pbx_thread>, data = 0x3def250,
          name = 0x3b03130 "pbx_thread", ' ' <repeats 11 times>, "started at [ 4630] pbx.c ast_pbx_start()"}
#8  0x00007f14022beaa1 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#9  0x00007f1401646bcd in clone () from /lib64/libc.so.6
No symbol table info available.