CUCM 12.5I feel like this is something I should already know. But for some reason I do not. I'm curious whether SIP phones (78XX, 88XX) in a production environment will suddenly unregister with CUCM if DNS becomes unreachable. Does it store the DNS e...
Very helpful. Thank you. Good info here on how to find out the DNS configured name cache TTL. https://www.cyberciti.biz/faq/how-to-see-time-to-live-ttl-for-a-dns-record/
