Hi, I would appreciate if anyone has any suggestions regarding the following?
On Thu, Mar 24, 2022 at 3:38 PM Koray Vatansever <[email protected]> wrote: > Hi everyone, > > I'm facing the following situation. > > Clients are connected over TLS. Therefore there is no retransmission in > Kamailio. > > How can I prevent this call drop? > > > > +---+ +-----------+ +-----+ > +-----+ > | A | | Kamailio | | B1 | > | B2 | > +---+ +-----------+ +-----+ > +-----+ > | | | > | > | INVITE | | > | > |------------------------------------>| | > | > | | -------------------\ | > | > | |-| Parallel forking | | > | > | | |------------------| | > | > | | | > | > | | INVITE | > | > | |---------------------->| > | > | | | > | > | | INVITE | > | > | > |--------------------------------------------------->| > | | | > | > | | 180 Ringing | > | > | |<----------------------| > | > | | | > | > | | | > 180 Ringing | > | > |<---------------------------------------------------| > | | | > ------------------------\ | > | | |-| User > answers the call | | > | | | > |-----------------------| | > | | | > | > | | 200 OK | > | > | |<----------------------| > | > | | | > | > | 200 OK | | > | > |<------------------------------------| | > | > | | | > | > | ACK | | > | > |------------------------------------>| | > | > | | | > | > | | ACK | > | > | |---------------------->| > | > | ------------------------------\ | | > | > |-| Session established with B1 | | | > | > | |-----------------------------| | | > | > | | | > | ----------------------------\ > | | | > |-| Client changes network | > | | | > | | LTE to Wifi or vice versa | > | | | > | | Temporary connection lost | > | | CANCEL | > | |---------------------------| > | > |----------------------------------------------X | > | | | > | -------------------------------------------------\ > | | | > |-| Reconnected with different IP | > | | | > | | CANCEL is missed and client continues ringing. | > | | | > | | User answers the call. | > | | | > 200 OK | |------------------------------------------------| > | > |<---------------------------------------------------| > | | | > | > | 200 OK | | > | > |<------------------------------------| | > | > | | | > | > | | | > BYE | > | > |<---------------------------------------------------| > | | | > | > | BYE | | > | > |<------------------------------------| | > | > | ---------------------------\ | | > | > |-| Session terminated by B2 | | | > | > | | Call Drop | | | > | > | |--------------------------| | | > | >
__________________________________________________________ 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
