#0  0x00000000004cdb8d in ast_channel_dialed_causes_add (chan=0x0, cause_code=0x7fe89010e7b0, datalen=109) at channel_internal_api.c:1420
        ao2_cause_code = 0x5f1977
#1  0x00000000004b6c27 in ast_channel_hangupcause_hash_set (chan=0x0, cause_code=0x7fe89010e7b0, datalen=109) at channel.c:4355
        causevar = "\300\346\020\220\350\177\000\000\365\332J\000\000\000\000\000\360\346\020\220\350\177\000\000X\002\374\005\000\000\000\000\t\000\000\000\000\000\000\000\360\346\020\220\350\177\000\000\220\347\020\220\350\177\000\000\"\340J\000\000\000\000\000m\000\000\000\000\000\000\000\260\347\020\220\350\177\000\000 \347\020\220!\000\000\000X\002\374\005\000\000\000\000\004\000\000\000\000\000\000\000!", '\000' <repeats 23 times>, "m", '\000' <repeats 39 times>"\260, \347\020\220\350\177", '\000' <repeats 58 times>"\260, \244\275\263\350\177\000\000(\000\000\000\060\000\000\000h\aq\006\000\000\000"
        __PRETTY_FUNCTION__ = "ast_channel_hangupcause_hash_set"
#2  0x00007fe8a08733ac in chan_pjsip_incoming_response (session=0x6710768, rdata=<value optimized out>) at chan_pjsip.c:2242
        status = {code = 403, reason = {ptr = 0x7fe8c135c190 "ForbiddentryticaH\301\065\301\350\177", slen = 9}}
        cause_code = 0x7fe89010e7b0
        data_size = 109
        __PRETTY_FUNCTION__ = "chan_pjsip_incoming_response"
#3  0x00007fe8ba3ba0a8 in handle_incoming_response (session=0x6710768, rdata=0x7fe8c135ae28, type=<value optimized out>, response_priority=AST_SIP_SESSION_AFTER_MEDIA) at res_pjsip_session.c:2211
        supplement = 0x68a76a0
#4  handle_incoming (session=0x6710768, rdata=0x7fe8c135ae28, type=<value optimized out>, response_priority=AST_SIP_SESSION_AFTER_MEDIA) at res_pjsip_session.c:2225
        __PRETTY_FUNCTION__ = "handle_incoming"
#5  0x00007fe8ba3bc6ea in session_inv_on_tsx_state_changed (inv=0x6bb34c8, tsx=0x2d9cf58, e=0x7fe89010e990) at res_pjsip_session.c:2393
        cb = 0
        session = 0x6710768
        tdata = <value optimized out>
        __PRETTY_FUNCTION__ = "session_inv_on_tsx_state_changed"
#6  0x00007fe8b9c88443 in mod_inv_on_tsx_state () from /usr/lib64/libpjsip-ua.so.2
No symbol table info available.
#7  0x00007fe8b9859c58 in pjsip_dlg_on_tsx_state () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#8  0x00007fe8b9855f02 in tsx_set_state () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#9  0x00007fe8b9857396 in tsx_on_state_proceeding_uac () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#10 0x00007fe8b9857baa in pjsip_tsx_recv_msg () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#11 0x00007fe8b9858922 in mod_tsx_layer_on_rx_response () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#12 0x00007fe8b98437d3 in pjsip_endpt_process_rx_data () from /usr/lib64/libpjsip.so.2
No symbol table info available.
#13 0x00007fe8b18f5d24 in distribute (data=0x7fe8c135ae28) at res_pjsip/pjsip_distributor.c:439
        param = {start_prio = 0, start_mod = 0x7fe8b1b07bc0, idx_after_start = 1, silent = 0}
        handled = <value optimized out>
        rdata = 0x7fe8c135ae28
        is_request = 0
        is_ack = 0
        endpoint = <value optimized out>
#14 0x00000000005df482 in ast_taskprocessor_execute (tps=0x2a5f5b8) at taskprocessor.c:768
        local = {local_data = 0x7fe89010f9c0, data = 0x5f1a74}
        t = 0x7fe8c1355a60
        size = 0
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#15 0x00000000005e7cb7 in execute_tasks (data=0x2a5f5b8) at threadpool.c:1269
        tps = 0x2a5f5b8
#16 0x00000000005df482 in ast_taskprocessor_execute (tps=0x2a5d7e8) at taskprocessor.c:768
        local = {local_data = 0x7fe89010ec90, data = 0x0}
        t = 0x7fe8c1359e00
        size = 0
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#17 0x00000000005e6151 in threadpool_execute (pool=0x2a5b6f8) at threadpool.c:351
        __PRETTY_FUNCTION__ = "threadpool_execute"
#18 0x00000000005e763f in worker_active (worker=0x7fe8ec015e58) at threadpool.c:1075
        alive = 0
#19 0x00000000005e73ef in worker_start (arg=0x7fe8ec015e58) at threadpool.c:995
        worker = 0x7fe8ec015e58
        __PRETTY_FUNCTION__ = "worker_start"
#20 0x00000000005f325c in dummy_start (data=0x7fe8ec019770) at utils.c:1237
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {0, 7734170812343048133, 140637536242304, 140636826171840, 112228176, 3, 7734170812368213957, -7744946712402667579}, __mask_was_saved = 0}}, __pad = {0x7fe89010ee30, 0x0, 0x9010fa10, 0x0}}
        __cancel_routine = 0x450855 <ast_unregister_thread>
        __cancel_arg = 0x7fe89010f700
        not_first_call = 0
        ret = 0x7fe8f7d81858
        a = {start_routine = 0x5e7368 <worker_start>, data = 0x7fe8ec015e58, name = 0x7fe8ec015860 "worker_start         started at [ 1049] threadpool.c worker_thread_start()"}
#21 0x00007fe8f8757a51 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#22 0x00007fe8f7adf93d in clone () from /lib64/libc.so.6
No symbol table info available.