These below is sample diagram, where kamailio/rtpengine act as an SBC

There is an active call carrier, kamailio/rtpngine and Asterisk1
Asterisk1 went down (power shortage, or network ..)
What I want is kamailio self-redirect the call to Asterisk2

Describe the solution you'd like
Ideally, kamailio provide the command line to tell which call will be self-redirect to the new destination, eg:
kamcmd -x sefl_redirect_callid <call-id> <destionation-ip>

Noted: I read the https://blog.opensips.org/2021/06/09/media-re-anchoring-using-opensips-3-2/ but re-INVITE to carrier seem not appropriate in my case due to call rate limit. I'm looking for a new solution where I don't need to use re-INVITE when Asterisk down.

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