[OpenSIPS-Users] Siptrace Issue

Seth Schultz sschultz at scholarchip.com
Wed Feb 6 21:35:40 CET 2013


loadmodule "db_mysql.so"
loadmodule "cfgutils.so"
loadmodule "avpops.so"
loadmodule "mi_fifo.so"
loadmodule "maxfwd.so"
loadmodule "nathelper.so"
loadmodule "tm.so"
loadmodule "dialplan.so"
loadmodule "sl.so"
loadmodule "rr.so"
loadmodule "dialog.so"
loadmodule "uri.so"
loadmodule "textops.so"
loadmodule "sipmsgops.so"
loadmodule "siptrace.so"
loadmodule "permissions.so"
loadmodule "load_balancer.so"
loadmodule "rtpproxy.so"
loadmodule "acc.so"
loadmodule "signaling.so"

On 2/6/2013 3:32 PM, Bogdan-Andrei Iancu wrote:
> I see...Could you send me the list of modules you are using ?
>
> Thanks!
>
> Bogdan-Andrei Iancu
> OpenSIPS Founder and Developer
> http://www.opensips-solutions.com
>
>
> On 02/06/2013 10:29 PM, Seth Schultz wrote:
>> I have seen this error occur on both 1.8.2 and 1.9.0.  Below is the 
>> output from opensips -V on both versions I am running.  The trace I 
>> provided came from 1.9.0-rc-notls.
>>
>> Thanks,
>> Seth
>>
>> (My development environment)
>> version: opensips 1.9.0-rc-notls (x86_64/linux)
>> flags: STATS: Off, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, 
>> SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
>> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
>> MAX_URI_SIZE 1024, BUF_SIZE 65535
>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>> svnrevision: 2:9753M
>> @(#) $Id: main.c 9329 2012-10-16 17:23:32Z bogdan_iancu $
>> main.c compiled on 17:29:59 Feb  5 2013 with gcc 4.6
>>
>> and
>>
>> (My production environment)
>> version: opensips 1.8.2-notls (x86_64/linux)
>> flags: STATS: Off, USE_IPV6, USE_TCP, DISABLE_NAGLE, USE_MCAST, 
>> SHM_MEM, SHM_MMAP, PKG_MALLOC, F_MALLOC, FAST_LOCK-ADAPTIVE_WAIT
>> ADAPTIVE_WAIT_LOOPS=1024, MAX_RECV_BUFFER_SIZE 262144, MAX_LISTEN 16, 
>> MAX_URI_SIZE 1024, BUF_SIZE 65535
>> poll method support: poll, epoll_lt, epoll_et, sigio_rt, select.
>> svnrevision: 2:9718M
>> @(#) $Id: main.c 9330 2012-10-16 17:25:38Z bogdan_iancu $
>> main.c compiled on 01:14:02 Feb  4 2013 with gcc 4.5.2
>>
>> On 2/6/2013 3:24 PM, Bogdan-Andrei Iancu wrote:
>>> Thanks !
>>>
>>> Looks like the actual socket structure is altered :
>>>      sock_str = {s = 0x7f4818da11b8 "udp:172.16.1.115", len = 21}
>>>
>>> length is 21, while only 16 chars are printed -> 5 are missing ( ':' 
>>> + 4 for port) .
>>>
>>> What exact opensips revision are you using ? I need to figure out a 
>>> way to see where in the code the sock_str is altered.
>>>
>>> Regards,
>>>
>>> Bogdan-Andrei Iancu
>>> OpenSIPS Founder and Developer
>>> http://www.opensips-solutions.com
>>>
>>>
>>> On 02/06/2013 09:59 PM, Seth Schultz wrote:
>>>> Here is the output:
>>>>
>>>> #0  0x00007f4820da1425 in raise () from 
>>>> /lib/x86_64-linux-gnu/libc.so.6
>>>> (gdb) f 5
>>>> #5  0x00007f4815ef8a61 in trace_msg_out (msg=0x7f4817464340, 
>>>> sbuf=<optimized out>, send_sock=<optimized out>, proto=1, 
>>>> to=<optimized out>) at siptrace.c:1053
>>>> 1053            if 
>>>> (save_siptrace(msg,avp,&avp_value,db_keys,db_vals) < 0) {
>>>> (gdb) p trace_local_ip
>>>> $1 = {s = 0x0, len = 0}
>>>> (gdb) p send_sock
>>>> $2 = <optimized out>
>>>> (gdb) p to
>>>> $3 = <optimized out>
>>>> (gdb) f 6
>>>> #6  0x00007f4815efbe5c in trace_onreq_out (t=<optimized out>, 
>>>> type=<optimized out>, ps=0x7fff9f5d43d0) at siptrace.c:937
>>>> 937                     trace_msg_out( ps->req, (str*)ps->extra1,
>>>> (gdb) p ((struct dest_info*)ps->extra2)->send_sock
>>>> $4 = (struct socket_info *) 0x7f4818d72e08
>>>> (gdb) p *((struct dest_info*)ps->extra2)->send_sock
>>>> $5 = {socket = 5, name = {s = 0x7f4818d72f10 "172.16.1.115", len = 
>>>> 12}, address = {af = 2, len = 4, u = {addrl = {1929449644, 0}, 
>>>> addr32 = {1929449644, 0, 0, 0}, addr16 = {4268, 29441, 0, 0, 0, 0, 0,
>>>>         0}, addr = "\254\020\001s", '\000' <repeats 11 times>}}, 
>>>> address_str = {s = 0x7f4818da1190 "172.16.1.115", len = 12}, 
>>>> port_no = 5060, port_no_str = {s = 0x7f4818da1170 "5060", len = 4},
>>>>   flags = SI_NONE, su = {s = {sa_family = 2, sa_data = 
>>>> "\023\304\254\020\001s\000\000\000\000\000\000\000"}, sin = 
>>>> {sin_family = 2, sin_port = 50195, sin_addr = {s_addr = 1929449644},
>>>>       sin_zero = "\000\000\000\000\000\000\000"}, sin6 = 
>>>> {sin6_family = 2, sin6_port = 50195, sin6_flowinfo = 1929449644, 
>>>> sin6_addr = {__in6_u = {__u6_addr8 = '\000' <repeats 15 times>,
>>>>           __u6_addr16 = {0, 0, 0, 0, 0, 0, 0, 0}, __u6_addr32 = {0, 
>>>> 0, 0, 0}}}, sin6_scope_id = 0}}, proto = 1, sock_str = {s = 
>>>> 0x7f4818da11b8 "udp:172.16.1.115", len = 21}, adv_sock_str = {s = 0x0,
>>>>     len = 0}, adv_name_str = {s = 0x0, len = 0}, adv_port_str = {s 
>>>> = 0x0, len = 0}, adv_address = {af = 0, len = 0, u = {addrl = {0, 
>>>> 0}, addr32 = {0, 0, 0, 0}, addr16 = {0, 0, 0, 0, 0, 0, 0, 0},
>>>>       addr = '\000' <repeats 15 times>}}, adv_port = 0, children = 
>>>> 8, next = 0x0, prev = 0x0}
>>>>
>>>> On 2/6/2013 2:56 PM, Bogdan-Andrei Iancu wrote:
>>>>> Cool :)
>>>>>
>>>>> In gdb, please do :
>>>>>
>>>>> f 5
>>>>> p trace_local_ip
>>>>> p send_sock
>>>>> p to
>>>>> f 6
>>>>> p ((struct dest_info*)ps->extra2)->send_sock
>>>>> p *((struct dest_info*)ps->extra2)->send_sock
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Bogdan-Andrei Iancu
>>>>> OpenSIPS Founder and Developer
>>>>> http://www.opensips-solutions.com
>>>>>
>>>>>
>>>>> On 02/06/2013 09:48 PM, Seth Schultz wrote:
>>>>>> Thanks for all your help.  I was finally able to get the system 
>>>>>> to dump a core file. Here is the output from the backtrace.
>>>>>>
>>>>>> #0  0x00007f4820da1425 in raise () from 
>>>>>> /lib/x86_64-linux-gnu/libc.so.6
>>>>>> #1  0x00007f4820da4b8b in abort () from 
>>>>>> /lib/x86_64-linux-gnu/libc.so.6
>>>>>> #2  0x00007f4815ee2d30 in pipport2su (pipport=<optimized out>, 
>>>>>> tmp_su=0x7fff9f5d4230, proto=<optimized out>) at siptrace.c:1798
>>>>>> #3  0x00007f4815ee4ba3 in trace_send_hep_duplicate 
>>>>>> (toip=0x7f48160ff9e0 "udp:xxx.xxx.xxx.xxx:5060", 
>>>>>> fromip=0x7f4818da11b8 "udp:172.16.1.115", body=<optimized out>) 
>>>>>> at siptrace.c:1619
>>>>>> #4  save_siptrace (avp=0x7f4794ebf600, first_val=0x7fff9f5d4300, 
>>>>>> vals=0x7f48160ffdc0, keys=0x7f48160ffcc0, msg=<optimized out>) at 
>>>>>> siptrace.c:533
>>>>>> #5  0x00007f4815ef8a61 in trace_msg_out (msg=0x7f4817464340, 
>>>>>> sbuf=<optimized out>, send_sock=<optimized out>, proto=1, 
>>>>>> to=<optimized out>) at siptrace.c:1053
>>>>>> #6  0x00007f4815efbe5c in trace_onreq_out (t=<optimized out>, 
>>>>>> type=<optimized out>, ps=0x7fff9f5d43d0) at siptrace.c:937
>>>>>> #7  0x00007f481721e8b2 in run_trans_callbacks (type=1024, 
>>>>>> trans=0x7f4794eba310, req=<optimized out>, rpl=<optimized out>, 
>>>>>> code=<optimized out>) at t_hooks.c:212
>>>>>> #8  0x00007f481721d76d in t_forward_nonack (t=0x7f4794eba310, 
>>>>>> p_msg=0x7f4817464340, proxy=<optimized out>) at t_fwd.c:753
>>>>>> #9  0x00007f481723c248 in w_t_relay (p_msg=0x7f4817464340, 
>>>>>> proxy=0x0, flags=<optimized out>) at tm.c:1160
>>>>>> #10 0x0000000000418b47 in do_action (a=0x7f4818d8ea88, 
>>>>>> msg=0x7f4817464340) at action.c:1714
>>>>>> #11 0x000000000041deee in run_action_list (a=<optimized out>, 
>>>>>> msg=0x7f4817464340) at action.c:170
>>>>>> #12 0x0000000000499d9e in eval_elem (e=0x7f4818d8eb60, 
>>>>>> msg=0x7f4817464340, val=0x0) at route.c:1499
>>>>>> #13 0x00000000004998bd in eval_expr (e=0x7f4818d8eb60, 
>>>>>> msg=0x7f4817464340, val=0x0) at route.c:1844
>>>>>> #14 0x0000000000499974 in eval_expr (e=0x7f4818d8ebb0, 
>>>>>> msg=0x7f4817464340, val=0x0) at route.c:1860
>>>>>> #15 0x00000000004998aa in eval_expr (e=0x7f4818d8ec00, 
>>>>>> msg=0x7f4817464340, val=0x0) at route.c:1865
>>>>>> #16 0x000000000041875a in do_action (a=0x7f4818d8eef0, 
>>>>>> msg=0x7f4817464340) at action.c:992
>>>>>> #17 0x000000000041deee in run_action_list (a=<optimized out>, 
>>>>>> msg=0x7f4817464340) at action.c:170
>>>>>> #18 0x000000000041b7f0 in do_action (a=0x7f4818d8f418, 
>>>>>> msg=0x7f4817464340) at action.c:1009
>>>>>> #19 0x000000000041deee in run_action_list (a=<optimized out>, 
>>>>>> msg=0x7f4817464340) at action.c:170
>>>>>> #20 0x000000000041b7f0 in do_action (a=0x7f4818d8f4f0, 
>>>>>> msg=0x7f4817464340) at action.c:1009
>>>>>> #21 0x000000000041deee in run_action_list (a=<optimized out>, 
>>>>>> msg=0x7f4817464340) at action.c:170
>>>>>> #22 0x000000000041e420 in run_actions (msg=0x7f4817464340, 
>>>>>> a=0x7f4818d8c3c0) at action.c:136
>>>>>> #23 run_actions (msg=0x7f4817464340, a=0x7f4818d8c3c0) at 
>>>>>> action.c:189
>>>>>> #24 run_top_route (a=0x7f4818d8c3c0, msg=0x7f4817464340) at 
>>>>>> action.c:210
>>>>>> #25 0x00007f4817232f22 in run_failure_handlers (t=0x7f4794eba310) 
>>>>>> at t_reply.c:657
>>>>>> #26 t_should_relay_response (Trans=0x7f4794eba310, 
>>>>>> new_code=<optimized out>, branch=0, should_store=0x7fff9f5d6480, 
>>>>>> should_relay=<optimized out>, cancel_bitmap=<optimized out>,
>>>>>>     reply=0xffffffffffffffff) at t_reply.c:956
>>>>>> #27 0x00007f4817232fb9 in relay_reply (t=0x7f4794eba310, 
>>>>>> p_msg=0xffffffffffffffff, branch=0, msg_status=408, 
>>>>>> cancel_bitmap=0x7fff9f5d6520) at t_reply.c:1170
>>>>>> #28 0x00007f4817237a75 in fake_reply (branch=<optimized out>, 
>>>>>> t=0x7f4794eba310, code=<optimized out>) at timer.c:259
>>>>>> #29 final_response_handler (fr_tl=<optimized out>) at timer.c:370
>>>>>> #30 timer_routine (ticks=84, attr=<optimized out>) at timer.c:1011
>>>>>> #31 0x00000000004d8cf2 in timer_ticker (drift=<synthetic 
>>>>>> pointer>, timer_list=<optimized out>) at timer.c:384
>>>>>> #32 run_timer_process (tpl=<optimized out>) at timer.c:500
>>>>>> #33 start_timer_processes () at timer.c:610
>>>>>> #34 0x000000000041523a in main_loop () at main.c:945
>>>>>> #35 main (argc=<optimized out>, argv=<optimized out>) at main.c:1541
>>>>>>
>>>>>> On 2/6/2013 2:27 PM, Bogdan-Andrei Iancu wrote:
>>>>>>> That's because you need to have "root" permissions to write into 
>>>>>>> /proc/sys/kernel/core_pattern (used for forcing the core file 
>>>>>>> pattern). You should comment in the init.d file the line for 
>>>>>>> writting into that file.
>>>>>>>
>>>>>>> Regards,
>>>>>>>
>>>>>>> Bogdan-Andrei Iancu
>>>>>>> OpenSIPS Founder and Developer
>>>>>>> http://www.opensips-solutions.com
>>>>>>>
>>>>>>>
>>>>>>> On 02/06/2013 08:52 PM, Seth Schultz wrote:
>>>>>>>> Unfortunately I am having trouble getting the system to dump a 
>>>>>>>> core file. Here is the error message I am getting once I enable 
>>>>>>>> core dumps.
>>>>>>>>
>>>>>>>> /etc/init.d/opensips: 103: /etc/init.d/opensips: cannot create 
>>>>>>>> /proc/sys/kernel/core_pattern: Permission denied
>>>>>>>>
>>>>>>>> I have also tried starting opensips as the root user, but it 
>>>>>>>> still throws this error.
>>>>>>>>
>>>>>>>> Here is my /etc/defaults/opensips:
>>>>>>>> RUN_OPENSIPS=yes
>>>>>>>> USER=opensips
>>>>>>>> GROUP=opensips
>>>>>>>> S_MEMORY=1024
>>>>>>>> P_MEMORY=32
>>>>>>>> DUMP_CORE=yes
>>>>>>>>
>>>>>>>> And here are the relevant lines in /etc/init.d/opensips:
>>>>>>>> if test "$DUMP_CORE" = "yes" ; then
>>>>>>>>     # set proper ulimit
>>>>>>>>     ulimit -c unlimited
>>>>>>>>
>>>>>>>>     # directory for the core dump files
>>>>>>>>     COREDIR=/home/corefiles
>>>>>>>>     [ -d $COREDIR ] || mkdir $COREDIR
>>>>>>>>     chmod 777 $COREDIR
>>>>>>>>     echo "$COREDIR/core.%e.sig%s.%p" > 
>>>>>>>> /proc/sys/kernel/core_pattern
>>>>>>>> fi
>>>>>>>>
>>>>>>>> Thanks,
>>>>>>>> Seth
>>>>>>>> On 2/6/2013 12:27 PM, Bogdan-Andrei Iancu wrote:
>>>>>>>>> yes, you have to, if using the debian init.d files.
>>>>>>>>>
>>>>>>>>> The core will be dumped into the opensips working directory - 
>>>>>>>>> if not configured one, it will be in root file system "/".
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>>
>>>>>>>>> Bogdan-Andrei Iancu
>>>>>>>>> OpenSIPS Founder and Developer
>>>>>>>>> http://www.opensips-solutions.com
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> On 02/06/2013 07:02 PM, Seth Schultz wrote:
>>>>>>>>>> I assume I also need to set the following variable in 
>>>>>>>>>> /etc/default/opensips.
>>>>>>>>>>
>>>>>>>>>> change
>>>>>>>>>> DUMP_CORE=no
>>>>>>>>>> to
>>>>>>>>>> DUMP_CORE=yes
>>>>>>>>>>
>>>>>>>>>> This may be a silly question, but where will it dump the core 
>>>>>>>>>> file to?
>>>>>>>>>>
>>>>>>>>>> Thanks,
>>>>>>>>>> Seth
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On 2/6/2013 11:56 AM, Bogdan-Andrei Iancu wrote:
>>>>>>>>>>> Where you changed the LM_ERR() in code, after it, simply put 
>>>>>>>>>>> : abort(); . Recompile and run again -> when you get the 
>>>>>>>>>>> error, opensips should stop by itself with a core dump. Once 
>>>>>>>>>>> you get the core file, use gdb to get a backtrace  (run "bt" 
>>>>>>>>>>> on gdb).
>>>>>>>>>>>
>>>>>>>>>>> Regards,
>>>>>>>>>>>
>>>>>>>>>>> Bogdan-Andrei Iancu
>>>>>>>>>>> OpenSIPS Founder and Developer
>>>>>>>>>>> http://www.opensips-solutions.com
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> On 02/06/2013 06:23 PM, Seth Schultz wrote:
>>>>>>>>>>>> Bogdan-Andrei,
>>>>>>>>>>>>
>>>>>>>>>>>> Thank you for the reply.  I have seen this error occur in 
>>>>>>>>>>>> both 1.8.2 and 1.9.0.  Would you please explain exactly how 
>>>>>>>>>>>> I can catch the error and call abort()? Also, is there 
>>>>>>>>>>>> anything else I can enable which would help us track down 
>>>>>>>>>>>> the cause?
>>>>>>>>>>>>
>>>>>>>>>>>> Thanks,
>>>>>>>>>>>> Seth
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On 2/6/2013 11:09 AM, Bogdan-Andrei Iancu wrote:
>>>>>>>>>>>>> Hi Seth,
>>>>>>>>>>>>>
>>>>>>>>>>>>> That is really strange - using 1.9 or 1.8 ?
>>>>>>>>>>>>>
>>>>>>>>>>>>> Do make it short, could you put an "abort()" when the 
>>>>>>>>>>>>> error is triggered ? -> we could look into backtrace to 
>>>>>>>>>>>>> see where the faulty string comes from.
>>>>>>>>>>>>>
>>>>>>>>>>>>> Regards,
>>>>>>>>>>>>>
>>>>>>>>>>>>> Bogdan-Andrei Iancu
>>>>>>>>>>>>> OpenSIPS Founder and Developer
>>>>>>>>>>>>> http://www.opensips-solutions.com
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> On 02/06/2013 01:09 AM, Seth Schultz wrote:
>>>>>>>>>>>>>> Hello,
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Could someone please help me resolve the following error 
>>>>>>>>>>>>>> message "ERROR:siptrace:pipport2su: no port specified". 
>>>>>>>>>>>>>> This error only happens on some of the sip packets, but I 
>>>>>>>>>>>>>> can't determine why. When this error occurs, the trace 
>>>>>>>>>>>>>> for those packets never make it to my homer capture 
>>>>>>>>>>>>>> server (I have to use ngrep to see them).
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Furthermore, I modified siptrace.c to output the value of 
>>>>>>>>>>>>>> pipport and the error message returned this 
>>>>>>>>>>>>>> "ERROR:siptrace:pipport2su: udp:172.16.1.115 no port 
>>>>>>>>>>>>>> specified".  I am just not sure where it is getting the 
>>>>>>>>>>>>>> udp:172.16.1.115 value from.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Thanks in advance,
>>>>>>>>>>>>>> Seth
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Here are my module parameters.
>>>>>>>>>>>>>> ...
>>>>>>>>>>>>>> port=5060
>>>>>>>>>>>>>> listen=udp:172.16.1.115:5060
>>>>>>>>>>>>>> ...
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> loadmodule "siptrace.so"
>>>>>>>>>>>>>> modparam("siptrace", "enable_ack_trace", 1)
>>>>>>>>>>>>>> modparam("siptrace", "trace_flag", "TRACE")
>>>>>>>>>>>>>> modparam("siptrace", "trace_on", 1)
>>>>>>>>>>>>>> modparam("siptrace", "trace_to_database", 0)
>>>>>>>>>>>>>> modparam("siptrace", "traced_user_avp", "$avp(called)")
>>>>>>>>>>>>>> modparam("siptrace", "hep_version", 2)
>>>>>>>>>>>>>> modparam("siptrace", "hep_capture_id", 338)
>>>>>>>>>>>>>> modparam("siptrace", "duplicate_uri", 
>>>>>>>>>>>>>> "sip:172.16.1.99:9060")
>>>>>>>>>>>>>> modparam("siptrace", "duplicate_with_hep", 1)
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> and here is how I am using siptrace in my script.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> route{
>>>>>>>>>>>>>> ...
>>>>>>>>>>>>>>     setflag(TRACE);
>>>>>>>>>>>>>>     sip_trace();
>>>>>>>>>>>>>> ...
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> }
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Below is a capture (from ngrep) of a packet that through 
>>>>>>>>>>>>>> this error.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> INVITE sip:12063430011 at yyy.yyy.yyy.yyy SIP/2.0.
>>>>>>>>>>>>>> Record-Route: 
>>>>>>>>>>>>>> <sip:xxx.xxx.xxx.xxx;lr;ftag=0m15597FNecKe;schip=d4c.b840a454>. 
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Via: SIP/2.0/UDP 
>>>>>>>>>>>>>> xxx.xxx.xxx.xxx:5060;branch=z9hG4bK0533.69b5df66.1.
>>>>>>>>>>>>>> Via: SIP/2.0/UDP 
>>>>>>>>>>>>>> 172.16.1.105;received=172.16.1.105;rport=5060;branch=z9hG4bK3Uj0ye5ve15SK.
>>>>>>>>>>>>>> Max-Forwards: 69.
>>>>>>>>>>>>>> From: "Unknown" 
>>>>>>>>>>>>>> <sip:9999999999 at 172.16.1.115>;tag=0m15597FNecKe.
>>>>>>>>>>>>>> To: <sip:19999999999 at 172.16.1.115>.
>>>>>>>>>>>>>> Call-ID: a7747eca-ea88-1230-e489-57cd493474a3.
>>>>>>>>>>>>>> CSeq: 39716116 INVITE.
>>>>>>>>>>>>>> Contact: 
>>>>>>>>>>>>>> <sip:gw+opensips at 172.16.1.105:5060;transport=udp;gw=opensips>. 
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> User-Agent: FS.
>>>>>>>>>>>>>> Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, 
>>>>>>>>>>>>>> UPDATE, INFO, REGISTER, REFER, NOTIFY.
>>>>>>>>>>>>>> Supported: timer, precondition, path, replaces.
>>>>>>>>>>>>>> Allow-Events: talk, hold, refer.
>>>>>>>>>>>>>> Session-Expires: 120;refresher=uac.
>>>>>>>>>>>>>> Min-SE: 120.
>>>>>>>>>>>>>> Content-Type: application/sdp.
>>>>>>>>>>>>>> Content-Disposition: session.
>>>>>>>>>>>>>> Content-Length: 247.
>>>>>>>>>>>>>> P-Call-Type: Notification.
>>>>>>>>>>>>>> X-FS-Support: update_display,send_info.
>>>>>>>>>>>>>> Remote-Party-ID: "Unknown" 
>>>>>>>>>>>>>> <sip:9999999999 at 172.16.1.115>;party=calling;screen=yes;privacy=off.
>>>>>>>>>>>>>> .
>>>>>>>>>>>>>> v=0.
>>>>>>>>>>>>>> o=FreeSWITCH 1360080758 1360080759 IN IP4 zzz.zzz.zzz.zzz.
>>>>>>>>>>>>>> s=FreeSWITCH.
>>>>>>>>>>>>>> c=IN IP4 zzz.zzz.zzz.zzz.
>>>>>>>>>>>>>> t=0 0.
>>>>>>>>>>>>>> m=audio 29516 RTP/AVP 0 8 3 101.
>>>>>>>>>>>>>> a=rtpmap:101 telephone-event/8000.
>>>>>>>>>>>>>> a=fmtp:101 0-16.
>>>>>>>>>>>>>> a=silenceSupp:off - - - -.
>>>>>>>>>>>>>> a=ptime:20.
>>>>>>>>>>>>>> a=schipmangled:yes.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> _______________________________________________
>>>>>>>>>>>>>> Users mailing list
>>>>>>>>>>>>>> Users at lists.opensips.org
>>>>>>>>>>>>>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>
>>>>>>
>>>>
>>




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