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

[Johan De Clercq]

2 different ones and I use 244

On Thu, 31 Jan 2019, 13:20 Răzvan Crainea, <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> 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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> >
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> >
>
> --
> Răzvan Crainea
> OpenSIPS Core Developer
>    http://www.opensips-solutions.com
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