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 <[email protected]> On Behalf Of vasilevalex
Sent: Wednesday, January 30, 2019 8:13 AM
To: [email protected]
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
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--
Răzvan Crainea
OpenSIPS Core Developer
  http://www.opensips-solutions.com
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