[OpenSIPS-Users] Topology_Hiding adding extra VIA header

[SamyGo]

Hi Razvan,

I just noticed that since Topo hiding function gives error, the calls using
this do not show any changes in CallID or Contact or any other details ,
seems like topohiding is not doing it's job for such calls anymore. !

Kindly let me know of anything further required to get this resolved.

Thanks,
Sammy.



On Mon, Nov 14, 2016 at 1:30 PM, SamyGo <govoiper at gmail.com> 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> 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 Solutionswww.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.X
>> X.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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>>
>>
>>
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