[SR-Users] Call Preservation Mode in Kamailio

[varun pratapsingh]

Happy New Year 2022 Everyone. Wish you a lot of innovation this year!

I was just curious to know if any of us had handled the mid-call failures
using the Kamailio. I am writing a SIP Client to handle the failures by
using the DNS SRV based failover and Fallback approach where I am using two
Kamailio instances as Outbound Proxy resolved by DNS SRV lookup. Everything
is fine except for on-going calls. How to handle the mid-call failovers? Is
there any way in Kamailio like Call Preservation mode or something?

Any suggestions or ideas to handle midcall failover so that if a current
Outbound Proxy goes down then all the ongoing calls can be seamlessly
routed through another Kamailio (secondary).

Thanks and Regards
Varun
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