Have you considered some sort of keep-alive packet? Usually the phones can be configured to send these, if not then you could write something up in Kamailio to send them every 5 minutes or so.
> On 9 Jun 2022, at 5:04 pm, Daniel-Constantin Mierla <[email protected]> wrote: > > Hello, > > there is no tight relation between sip traffic and transport > connections, meaning that you can can enforce any target address when > sending requests within dialog via config operation. > > By default kamailio.cfg processing, the connection is matched based on > Route or R-URI addresses. But you can set the target address in $du to > point to port 5060 and then relay. > >> On 08.06.22 12:41, Vitalii Krutsitskyi wrote: >> Hello >> >> General overview of the infrastructure: >> Client (Cisco Hardware) ---> AWS NLB ---> Kamailio Instances >> >> The client has a time limit for the opened TCP connections - 10 >> minutes. This is a hardcoded value that can't not be changed. >> Regardless of the traffic that flows through the connection, it is >> closed after 10 minutes. >> >> Problem: in case of long-running calls above 10 minutes it is not >> possible for Kamailio to send back SIP traffic back to the client >> using the original TCP connection. The client has been asked to either >> increase the time limit or send SIP reinvites - none of that is >> possible due to some client's infrastructure limitations. >> >> Question: is it possible to force Kamailio to open a new TCP >> connection and associate it with the call? Client has a 5060 port >> always opened which can accept incoming connections. >> >> __________________________________________________________ >> Kamailio - Users Mailing List - Non Commercial Discussions >> * [email protected] >> Important: keep the mailing list in the recipients, do not reply only to the >> sender! >> Edit mailing list options or unsubscribe: >> * 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 > Kamailio Advanced Training - Online: June 20-23, 2022 > * https://www.asipto.com/sw/kamailio-advanced-training-online/ > > > __________________________________________________________ > Kamailio - Users Mailing List - Non Commercial Discussions > * [email protected] > Important: keep the mailing list in the recipients, do not reply only to the > sender! > Edit mailing list options or unsubscribe: > * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users __________________________________________________________ Kamailio - Users Mailing List - Non Commercial Discussions * [email protected] Important: keep the mailing list in the recipients, do not reply only to the sender! Edit mailing list options or unsubscribe: * https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
