[OpenSIPS-Users] Register with TO Tag

Bogdan-Andrei Iancu bogdan at opensips.org
Tue Jun 7 12:41:21 CEST 2016

Hi John,

Assuming you do not do REGISTER relay (but you act as a registrar), you 
should handle the REGISTER requests (with or without to-tag) in the same 
way. IF they have a Route hdr , it may be because they do pre-loaded 
route (the Route points to your SIP server) to be sure the REGISTER gets 
to the registrar server.


Bogdan-Andrei Iancu
OpenSIPS Founder and Developer

On 07.06.2016 10:56, John Nash wrote:
> I am dealing with In-dialog requests using
> ------------------------------------------------------------------------------------------------------
>     if (has_totag() && (is_domain_local("$rd") || $Ri== "") 
> && is_method("INVITE|ACK|BYE|UPDATE"))
>     {
>         # sequential request within a dialog should
>         # take the path determined by record-routing
>         if (topology_hiding_match())
> -----
> ---------------------------------------------------------------------------------------------------------
> at the top of my script. After that I process initial requests, but I 
> see some REGISTER messages with TO-Tag and "Route" header and they are 
> being discarded by my script because Initial request cannot have Route 
> header.
> Do i also need to pass REGISTER messages also through same block?...or 
> i need to call loose_route after has_to_tag check.
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