10 Jan
2022
10 Jan
'22
9:05 a.m.
On 9 Jan 2022, at 11:48, varun pratapsingh
<varunps2003(a)gmail.com> wrote:
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?
The SIP standards document setting up a call successfully with DNS
support - NAPTR and SRV. But mid-call failover is not specified anywhere. There are some
hints in RFC 3263 on using SRV names in route headers that could be interesting.
/O
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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