Program terminated with signal 11, Segmentation fault.
(gdb) bt full
#0  0x00007fd73d5b7ad4 in pjsip_inv_send_msg (inv=inv@entry=0x7fd70409ae28, tdata=tdata@entry=0x7fd702152b48)
    at ../src/pjsip-ua/sip_inv.c:3218
        cseq = 0x7fd702153610
        status = <optimized out>
#1  0x00007fd717585d2c in internal_pjsip_inv_send_msg (inv=0x7fd70409ae28, transport_name=<optimized out>, 
    tdata=tdata@entry=0x7fd702152b48) at res_pjsip_session.c:996
        selector = {type = PJSIP_TPSELECTOR_NONE, u = {transport = 0x0, listener = 0x0, ptr = 0x0}}
#2  0x00007fd717588f0a in ast_sip_session_send_response (session=session@entry=0x7fd704178278, tdata=0x7fd702152b48)
    at res_pjsip_session.c:1002
No locals.
#3  0x00007fd6f73dd2d5 in update_connected_line_information (data=0x7fd704178278) at chan_pjsip.c:1220
        packet = 0x7fd702152b48
        response_code = <optimized out>
        session = 0x7fd704178278
#4  0x000000000060bcbf in ast_taskprocessor_execute (tps=0x2e87028) at taskprocessor.c:967
        local = {local_data = 0x0, data = 0x61315e <ast_threadstorage_set_ptr+60>}
        t = 0x7fd738ea2b60
        size = 1
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#5  0x00000000006157e9 in execute_tasks (data=0x2e87028) at threadpool.c:1322
        tps = 0x2e87028
#6  0x000000000060bcbf in ast_taskprocessor_execute (tps=0x2637ae8) at taskprocessor.c:967
        local = {local_data = 0x7fd6e54e6dc0, data = 0x26376f0}
        t = 0x7fd703a854f0
        size = 40073000
        __PRETTY_FUNCTION__ = "ast_taskprocessor_execute"
#7  0x0000000000613870 in threadpool_execute (pool=0x2637748) at threadpool.c:351
        __PRETTY_FUNCTION__ = "threadpool_execute"
#8  0x000000000061503f in worker_active (worker=0x7fd708006578) at threadpool.c:1105
        alive = 32726
#9  0x0000000000614dd3 in worker_start (arg=0x7fd708006578) at threadpool.c:1024
        worker = 0x7fd708006578
        saved_state = ALIVE
        __PRETTY_FUNCTION__ = "worker_start"
#10 0x0000000000623b70 in dummy_start (data=0x7fd7080024c0) at utils.c:1235
        __cancel_buf = {__cancel_jmp_buf = {{__cancel_jmp_buf = {140560946853632, -6955969102892588927, 140561764727808, 0, 
                140560946854336, 0, -6955969102903074687, 6979071631784714369}, __mask_was_saved = 0}}, __pad = {0x7fd6e54e6ef0, 
            0x0, 0x0, 0x0}}
        __cancel_routine = 0x4532a0 <ast_unregister_thread>
        __cancel_arg = 0x7fd6e54e7700
        __not_first_call = 0
        ret = 0x0
        a = {start_routine = 0x614d3d <worker_start>, data = 0x7fd708006578, 
          name = 0x7fd708006690 "worker_start         started at [ 1079] threadpool.c worker_thread_start()"}
        lock_info = 0x7fd760002340
        mutex_attr = {__size = "\001\000\000", __align = 1}
        __PRETTY_FUNCTION__ = "dummy_start"
#11 0x00007fd77e771ce2 in start_thread () from /lib64/libpthread.so.0
No symbol table info available.
#12 0x00007fd77d9e98cd in clone () from /lib64/libc.so.6
No symbol table info available.