[SR-Users] handle_ruri_alias() question or issue?

[Wilkins, Steve]

Thank you Joel,

My issue is that, given the Incoming Request: [[BYE sip:2406506175 at 20.20.20.20:5060<http://sip:2406506175@20.20.20.20:5060>;alias=10.10.10.5~55157~2 SIP/2.0.  I want to route the BYE to the alias 10.10.10.5:55157.  I have tried the combination you spoke of and it always still get routed to 20.20.20.20.5060.

I have even tried storing the original Via from the INVITE and using that in the BYE, however, I get a variable to maintain it’s state.

Thanks again,
-Steve

From: sr-users <sr-users-bounces at lists.kamailio.org> On Behalf Of Joel Serrano
Sent: Saturday, September 1, 2018 10:43 AM
To: Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
Subject: Re: [SR-Users] handle_ruri_alias() question or issue?

I think you are mixing 2 different approaches of achieving the same:

1- Use: fix_nated_contact() --> Will *modify* the contact header and *replace* current ip:port with correct ip:port.

2- Use: set_contact_alias() in conjunction with handle_ruri_alias() --> set_contact_alias will *add an alias* with correct ip:port but will not *modify* the current ip:port sent by the UAC.  handle_ruri_alias will search for an alias in the RURI and if found, it will remove it and *set $du accordingly*.You will not see the contact with correct ip:port in RURI but routing will be sent to correct ip:port ($du).

This is a high level explanation, but I hope it helps you understand what is going on. If you print $du in the logs after calling handle_ruri_alias() you should see what you expect (if you previously called set_contact_alias)... Or you can call set_contact_alias on not call handle_ruri_alias. Two ways of doing the same.

On Sat, Sep 1, 2018 at 04:47 Wilkins, Steve <swwilkins at mitre.org<mailto:swwilkins at mitre.org>> wrote:
Good Morning All,

The following Incoming request came in =>
SIP Incoming Request: [[BYE sip:2406506175 at 20.20.20.20:5060<http://sip:2406506175@20.20.20.20:5060>;alias=10.10.10.5~55157~2 SIP/2.0

I called handle_ruri_alias(), and expected the destination and port to be set to 10.10.10.5:55157<http://10.10.10.5:55157>, but it was not.
It was left 20.20.20.20:5060<http://20.20.20.20:5060>.

Is my thinking correct or is there another way to set the destination and port to the alias?

Thanks All!,
-Steve
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