You should be able to pull syslogs off the HT802 and see what it’s trying to connect to on boot. If it ends up not being a network or firewall issue then you can always put a ticket in with logs to Grandstreams support. They respond pretty quick usually once every 24 hours and seem to be active during European daytime hours
You should be able to pull syslogs off the HT802 and see what it’s trying to connect to on boot. If it ends up not being a network or firewall issue then you can always put a ticket in with logs to Grandstreams support. They respond pretty quick usually once every 24 hours and seem to be active during European daytime hours