[OpenSIPS-Users] Topology_Hiding adding extra VIA header

[Răzvan Crainea]

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

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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