Echolink
I currently use Echolink for VOIP-Ham radio operations.
VOIP-Ham websites:
https://www.repeaterbook.com/repeaters/echolink/index.php
http://www.ccars.org/EGC/ (Georgia Echolink conference)
Georgia Echolink repeaters
https://www.repeaterbook.com/repeaters/feature_search.php?state_id=13&loc=%&call=%&type=EchoLink
https://echolink.g4eid-km8h.net/status/all_conferences.html
https://echolink.g4eid-km8h.net/status/all_nonconferences.html
https://dodropin.net/index.php/net-schedule