Typically received parameter to Via is added when the IP address in that header is different than the source IP of the request.
Cheers, Daniel On 29.09.20 12:06, Duarte Rocha wrote: > Thank you for your answers. > > I have a old SBC with opensips and it always adds received to Via. > However, in my Kamailio it only adds in NAT scenarios. I would like to > understand why that happens. > > A segunda, 28/09/2020, 17:35, Duarte Rocha <duarteroch...@gmail.com > <mailto:duarteroch...@gmail.com>> escreveu: > > Greetings, > > When NAT is detected in my Kamailio, the proxy add the parameter > "received" to the Via header which includes the source IP. > > What is the mechanic or function responsible for this behaviour? > Does it come from the NATHELPER module? > > Best Regards, > > > _______________________________________________ > Kamailio (SER) - Users Mailing List > sr-users@lists.kamailio.org > https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users -- Daniel-Constantin Mierla -- www.asipto.com www.twitter.com/miconda -- www.linkedin.com/in/miconda Funding: https://www.paypal.me/dcmierla
_______________________________________________ Kamailio (SER) - Users Mailing List sr-users@lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
