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

[Răzvan Crainea]

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> On Behalf Of vasilevalex
> Sent: Wednesday, January 30, 2019 8:13 AM
> To: 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
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