[OpenSIPS-Users] Topology_Hiding adding extra VIA header

[Răzvan Crainea]

Hi, Samy!

Can you make sure you are not calling topology_hiding() twice on the 
same request? Can you put an xlog just before each topology_hiding() 
apearence in your code to make sure?

Best regards,

Răzvan Crainea
OpenSIPS Solutions
www.opensips-solutions.com

On 11/14/2016 08:30 PM, SamyGo wrote:
>
> Hi Razvan,
>
>
> Here is the requested data.
>
>
> *INITIAL INVITE:
> *Via: SIP/2.0/TLS 123.123.212.123:5061;branch=z9hG4bK442.8373b213.0;i=35f5
>
> *
> *
> *200 OK from the B party as received by OpenSIPS:
> *
> Via: SIP/2.0/TLS 118.151.101.64:5061;branch=z9hG4bK442.9a584727.0;i=11
>
>
> *200 OK as sent out by OpenSIPS:
> *
> Via: SIP/2.0/TLS 
> 123.123.212.123:5061;received=123.123.212.123;rport=48664;branch=z9hG4bK442.8373b213.0;i=35f5
> Via: SIP/2.0/TLS 
> 123.123.212.123:5061;received=123.123.212.123;rport=48664;branch=z9hG4bK442.8373b213.0;i=35f5
>
>
> Here is the portion of debug log where the destination Answers the 
> call and topology Hiding restore VIA twice.
>
> http://pastebin.com/z7pt7cwM
>
>
> Thanks for your response and time looking at this for me.
>
>
> Regards,
> Sammy.
>
>
> On Nov 14, 2016 3:49 AM, "Răzvan Crainea" <razvan at opensips.org 
> <mailto:razvan at opensips.org>> wrote:
>
>     Hi, Samy!
>
>     Can you post on pastebin debugging logs related to this call?
>     Also, can you also post the Via headers of the initial INVITE and
>     for the 200 OK received by OpenSIPS?
>
>     Best regards,
>
>     Răzvan Crainea
>     OpenSIPS Solutions
>     www.opensips-solutions.com <http://www.opensips-solutions.com>
>
>     On 11/12/2016 12:33 AM, SamyGo wrote:
>>     Hi,
>>
>>     I'm using OpenSIPS 2.2.1 version and I'm facing a weird situation
>>     where OpenSIPS is adding a duplicated VIA header to the 200 OK,
>>     This only happens when I've topology_hiding() engaged into the call.
>>
>>     The scenario is very simple; two users making call to each other
>>     on the same OpenSIPS but with topology_hiding(). As a consequence
>>     of this double VIA the caller device doesn't trigger the ACK and
>>     hence we don't get media stream established between devices.
>>
>>
>>     *WITH TOPOLOGYHIDING:*
>>     SIP/2.0 200 OK
>>     Via: SIP/2.0/TLS
>>     10.1.10.51:59231;received=7X.XX.XX.X7;rport=59231;branch=z9hG4bK-607165482-63
>>     Via: SIP/2.0/TLS
>>     10.1.10.51:59231;received=7X.XX.XX.X7;rport=59231;branch=z9hG4bK-607165482-63
>>     CSeq: 1 INVITE
>>     ...
>>
>>     *WITHOUT TOPOHIDING:
>>     *
>>     SIP/2.0 200 OK
>>     Via: SIP/2.0/TLS
>>     10.1.10.51:59223;received=7X.XX.XX.X7;rport=59223;branch=z9hG4bK-607166212-58
>>     CSeq: 1 INVITE
>>
>>
>>     The only difference between the two scenarios is the function
>>     topology_hiding(); is commented out.
>>
>>     It seems like a bug to me, can anyone guide me here validate this.
>>     *
>>     OpenSIPS Version:*
>>     version: opensips 2.2.1 (x86_64/linux)
>>     flags: STATS: On, DISABLE_NAGLE, USE_MCAST, 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.
>>     git revision: 68ace2e
>>     main.c compiled on 18:34:37 Sep 28 2016 with gcc 4.8
>>
>>
>>     Thanks,
>>     Sammy
>>
>>
>>
>>
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