[OpenSIPS-Users] topology_hiding : ACK has extra via header.

[Răzvan Crainea]

Can you upload somewhere a SIP trace, so we can understand the setup and 
SIP flow.
Also, is the VIA appearing only in ACK, or in INVITE too?

Best regards,
Razvan

On 1/31/19 2:21 PM, Johan De Clercq wrote:
> 2 different ones and I use 244
> 
> On Thu, 31 Jan 2019, 13:20 Răzvan Crainea, <razvan at opensips.org 
> <mailto:razvan at opensips.org>> wrote:
> 
>     Hi, Johan!
> 
>     Are there two identical via headers, or only one?
>     What is the OpenSIPS version you are using?
> 
>     Best regards,
>     Răzvan
> 
>     On 1/30/19 9:27 PM, johan de clercq wrote:
>      > Hi,
>      >
>      > I found it :
>      >
>      > 1. This code results in having only one VIA header:
>      >      ##initial INVITE
>      >      if (is_method("INVITE") && !has_totag())
>      >      {
>      >          xlog("callid=$ci: Route[0]: initial INVITE is coming in
>     from A: $fU to B: $rU");
>      >          xlog("callid=$ci: Route[0]: let's do accounting first");
>      >          do_accounting("db","cdr");
>      >          topology_hiding();
>      >
>      > 2. The code resulting in 2 VIA headers:
>      >      ##initial INVITE
>      >      if (is_method("INVITE") && !has_totag())
>      >      {
>      >          xlog("callid=$ci: Route[0]: initial INVITE is coming in
>     from A: $fU to B: $rU");
>      >          xlog("callid=$ci: Route[0]: let's do accounting first");
>      >          topology_hiding();
>      >          do_accounting("db","cdr");
>      >
>      > Is this now a bug or can somebody please explain why the code in
>     2 results in 2 VIA headers ?
>      >
>      > -----Original Message-----
>      > From: Users <users-bounces at lists.opensips.org
>     <mailto:users-bounces at lists.opensips.org>> On Behalf Of vasilevalex
>      > Sent: Wednesday, January 30, 2019 8:13 AM
>      > To: users at lists.opensips.org <mailto:users at lists.opensips.org>
>      > Subject: Re: [OpenSIPS-Users] topology_hiding : ACK has extra via
>     header.
>      >
>      > Hi Johan,
>      >
>      > We are using topology_hiding in tm mode.
>      > I've checked your case, ACK has only one VIA header.
>      >
>      > What about BYE from the phone (if phone ends call)? Does it has
>     extra VIA?
>      > Do you use dialog or tm mode for topology hiding?
>      >
>      >
>      >
>      > -----
>      > ---
>      > Alexey Vasilyev
>      > --
>      > Sent from:
>     http://opensips-open-sip-server.1449251.n2.nabble.com/OpenSIPS-Users-f1449235.html
>      >
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> 
>     -- 
>     Răzvan Crainea
>     OpenSIPS Core Developer
>     http://www.opensips-solutions.com
>     Meet the OpenSIPS team at the next OpenSIPS Summit:
>     https://www.opensips.org/events
> 
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-- 
Răzvan Crainea
OpenSIPS Core Developer
   http://www.opensips-solutions.com
Meet the OpenSIPS team at the next OpenSIPS Summit:
   https://www.opensips.org/events