Thread 1 (Thread 0x7f0fb7d7d700 (LWP 1888)):
#0  pjsip_hdr_print_on (hdr_ptr=0x7f3133322e36, buf=0x7f0fbc1f3430 "Content-Type: application/sdprnContent-Length:   261rnrnv=0rno=- 572496747 572496749 IN IP4 8.2.6.2rns=Asteriskrnc=IN IP4 8.2.6.2rnt=0 0rnm=audio 10422 RTP/AVP 8 0 101rna=rtpmap:8 PCMA/800"..., len=31096) at ../src/pjsip/sip_msg.c:584
        hdr = 0x7f3133322e36
#1  0x00007f1034e4ac85 in pjsip_msg_print (msg=0x7f0f180bff30, buf=0x7f0fbc1f30a8 "SIP/2.0 183 Session ProgressrnVia: SIP/2.0/UDP 8.2.6.2:8065;rport=8065;received=8.2.6.2;branch=z9hG4bKae82.685ed4967b968321b2cd627a784b36ba.0rnVia: SIP/2.0/UDP 8.2.6.2:8060;branch=z9"..., size=<optimized out>) at ../src/pjsip/sip_msg.c:464
        p = 0x7f0fbc1f3430 "Content-Type: application/sdprnContent-Length:   261rnrnv=0rno=- 572496747 572496749 IN IP4 8.2.6.2rns=Asteriskrnc=IN IP4 8.2.6.2rnt=0 0rnm=audio 10422 RTP/AVP 8 0 101rna=rtpmap:8 PCMA/800"...
        end = 0x7f0fbc1fada8 "250255037274017177" 
        len = <optimized out>
        hdr = 0x7f3133322e36
        clen_hdr = {ptr = 0x7f1034ed8eef "Content-Length: ", slen = 16}
#2  0x00007f1034e588e4 in pjsip_tx_data_encode (tdata=0x7f0f180bf9f8) at ../src/pjsip/sip_transport.c:556
        size = <optimized out>
#3  0x00007f1034e527ce in endpt_on_tx_msg (endpt=<optimized out>, tdata=0x7f0f180bf9f8) at ../src/pjsip/sip_endpoint.c:1088
        status = 0
        mod = 0x7f1035121a00 <mod_msg_print>
#4  0x00007f1034e59270 in pjsip_transport_send (tr=0x38913e8, tdata=tdata@entry=0x7f0f180bf9f8, addr=addr@entry=0x7f10202c6584, addr_len=16, token=token@entry=0x7f10202c64a8, cb=cb@entry=0x7f1034e65fb0 <transport_callback>) at ../src/pjsip/sip_transport.c:833
        status = <optimized out>
#5  0x00007f1034e66bc3 in tsx_send_msg (tsx=0x7f10202c64a8, tdata=0x7f0f180bf9f8) at ../src/pjsip/sip_transaction.c:2132
        status = <optimized out>
        tdata = 0x7f0f180bf9f8
        tsx = 0x7f10202c64a8
#6  0x00007f1034e67735 in tsx_on_state_proceeding_uas (tsx=0x7f10202c64a8, event=<optimized out>) at ../src/pjsip/sip_transaction.c:2892
No locals.
#7  0x00007f1034e66896 in tsx_timer_callback (theap=<optimized out>, entry=0x7f10202c6628) at ../src/pjsip/sip_transaction.c:1189
        event = {prev = 0xbc05b610, next = 0x1, type = PJSIP_EVENT_TIMER, body = {timer = {entry = 0x7f10202c6628}, tsx_state = {src = {rdata = 0x7f10202c6628, tdata = 0x7f10202c6628, timer = 0x7f10202c6628, status = 539780648, data = 0x7f10202c6628}, tsx = 0x7f0fb7d7cd80, prev_state = 0, type = 1104006501}, tx_msg = {tdata = 0x7f10202c6628}, tx_error = {tdata = 0x7f10202c6628, tsx = 0x7f0fb7d7cd80}, rx_msg = {rdata = 0x7f10202c6628}, user = {user1 = 0x7f10202c6628, user2 = 0x7f0fb7d7cd80, user3 = 0x41cdcd6500000000, user4 = 0x3b9aca00}}}
        tsx = 0x7f10202c64a8
#8  0x00007f1034ed22df in pj_timer_heap_poll (ht=0x35fd1b0, next_delay=next_delay@entry=0x7f0fb7d7ce40) at ../src/pj/timer.c:644
        node = 0x7f10202c6628
        grp_lock = 0x7f10240e0188
        now = {sec = 5009253, msec = 720}
        count = 1
#9  0x00007f1034e53274 in pjsip_endpt_handle_events2 (endpt=0x35fcec8, max_timeout=max_timeout@entry=0x7f0fb7d7ce90, p_count=p_count@entry=0x0) at ../src/pjsip/sip_endpoint.c:715
        timeout = {sec = 0, msec = 0}
        count = 0
        net_event_count = 0
        c = <optimized out>
#10 0x00007f1034e53387 in pjsip_endpt_handle_events (endpt=<optimized out>, max_timeout=max_timeout@entry=0x7f0fb7d7ce90) at ../src/pjsip/sip_endpoint.c:776
No locals.
#11 0x00007f102ec50078 in monitor_thread_exec (endpt=<optimized out>) at res_pjsip.c:4444
        delay = {sec = 0, msec = 10}
#12 0x00007f1034ec0390 in thread_main (param=0x3827e48) at ../src/pj/os_core_unix.c:541
        rec = 0x3827e48
        result = <optimized out>
#13 0x00007f103343d6ba in start_thread (arg=0x7f0fb7d7d700) at pthread_create.c:333
        __res = <optimized out>
        pd = 0x7f0fb7d7d700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139705485612800, -9004285080337376459, 0, 140732346467263, 139705485613504, 58883488, 9013169338871716661, 9019088182550862645}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
        not_first_call = <optimized out>
        pagesize_m1 = <optimized out>
        sp = <optimized out>
        freesize = <optimized out>
        __PRETTY_FUNCTION__ = "start_thread" 
#14 0x00007f1032a2641d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109
No locals.