Sure, it’s a workaround. It probably could be fixed in the ts_append(..) function, or in one of the functions that its uses (like from tm).
Cheers, Henning From: Ihor Olkhovskyi <igorolhovs...@gmail.com> Sent: Freitag, 4. Oktober 2024 10:09 To: Henning Westerholt <h...@gilawa.com>; Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org> Subject: Re: [SR-Users] t_append_branches() and "dead" tcp connections Henning, That's what I did for the moment, but sometimes, especially with Android endpoints, I'm getting a situation where there is a "dead" TCP connection, cause some devices not really taking care about closing them properly. And on TCP timeout expiry time the device is literally unreachable. Le 04/10/2024 à 09:52, Henning Westerholt a écrit : Hello Ihor, what just about setting handle_lost_tcp to 1 to remove dead TCP connection and to prevent this error? Cheers, Henning From: Ihor Olkhovskyi via sr-users <sr-users@lists.kamailio.org><mailto:sr-users@lists.kamailio.org> Sent: Donnerstag, 3. Oktober 2024 21:04 To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org><mailto:sr-users@lists.kamailio.org> Cc: Ihor Olkhovskyi <igorolhovs...@gmail.com><mailto:igorolhovs...@gmail.com> Subject: [SR-Users] t_append_branches() and "dead" tcp connections Hello, Recently encountered an issue with tsilo (that is using t_append_branches), but not sure found a root cause. So, I have a call, but aparently there are some "dead" TCP connections in a "location" table modparam("usrloc", "handle_lost_tcp", 0) On call initialtion, INVITE's are sent to "last seen" location, but aparently there is no answer and I assume it's in a state "trying to establish TCP connection" Obviously, there is no "100 Trying" answer on any outgoing INVITE. Than, a REGISTER comes from a contact, that is supposed to be called. Usual ts_append("location", "$tu"); is called, but in the logs I see [REGISTER] tm [t_append_branches.c:208]: t_append_branches(): failure to add branches (-1) If there is an active TCP connection, branches are added as expected. I'm getting this only in a case of trying to establish a call to a "dead" TCP connection. What am I missing here or it sounds like a bug? -- Best regards, Ihor (Igor)
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