Re: [SR-Users] Switching form UDP to TCP causes authentication errors

Thank you for your response. I do not have this issue with UDP, it is when I switch to TCP that an INVITE is sending the Unauthorized. If I attempt something like , the code below, the INVITE is not sent out again (as I thought it would be). I see the ACK being relayed after the Authentication error, and that is it. if (t_check_status("401")) { if (!auth_check("$fd", "sipusers", "1")) { auth_challenge("$fd", "0"); exit; } } I did attempt the uac_auth() as you suggested, but I got no further. Thanks again! -----Original Message----- From: sr-users [mailto:sr-users-bounces@lists.kamailio.org] On Behalf Of Daniel Tryba Sent: Friday, May 25, 2018 9:47 AM To: Kamailio (SER) - Users Mailing List <sr-users(a)lists.kamailio.org> Subject: Re: [SR-Users] Switching form UDP to TCP causes authentication errors On Thu, May 24, 2018 at 11:29:54PM +0000, Wilkins, Steve wrote: Did you get 401 responses using UDP? Do you have any logic in place to respond to the 401? By default kamailio does nothing. What does "stops near" mean? What does WITH_BLOCK401407 do? The name suggest to block/do nothing with 401 and 407s. What you need to do is call uac_auth() with the correct credentials to respond to the challenge: https://www.kamailio.org/docs/modules/stable/modules/uac.html#uac.f.uac_auth Or is the problem Asterisk challenges INVITEs using TCP? _______________________________________________ Kamailio (SER) - Users Mailing List sr-users(a)lists.kamailio.org https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users