=======================================================
CLUSTERING PART
IN DB Server
Copy All proxy SSL file to the proper path
like
/etc/letsencrypt/live/proxy1.com/.pem
/etc/letsencrypt/live/proxy2.com/.pem
and create template for each and every proxy and mention the above path
like
dtlscertfile=/etc/letsencrypt/live/proxy1.com/.pem
dtlsprivatekey=/etc/letsencrypt/live/proxy1.com/.pem
dtlscertfile=/etc/letsencrypt/live/proxy2.com/.pem
dtlsprivatekey=/etc/letsencrypt/live/proxy2.com/.pem
In SIP.conf of DB
realm=DBWEB1.com
go to Admin -> Phone -> Use External IP -> N
go to Admin -> Server -> Server DB Web -> Web Socket URL -> wss://db-web-DOMAIN.com:8089/ws
IN Proxy Server
In SIP.conf of Proxy1
realm=DBWEB1.com (mention DBWEB URL)
externip = proxy1
go to Admin -> Phone -> Use External IP -> Y
go to Admin -> Server -> Proxy1 -> External Server IP -> db-web-IP
go to Admin -> Server -> Proxy1 -> Web Socket URL -> wss://proxy1.com:8089/ws