Configure a Mediatrix 4124 with Ring Central I am looking to test a Mediatrix 4124 (SIP 5) with Ring Central. I am struggling to identify the proper configuration to bring the system online.I have the manual provisioning that Ring Central provides for the line I am attempting to test, but I have not been able to register the device with Ring Central. (SIP Domain, Outbound Proxy, Username, Password, AuthorizationID)The mediatrix is currently on a public IP (for testing purposes only, to ensure that NAT'ing is not a problem). The unit is configured for the following DNS (1.1.1.1 & 8.8.8.8).Below are the SIP configurations availableConfiguration Options:SIP PortSIP DomainRegistrar HostRegistrar PortProxy HostProxy PortOutbound Proxy HostOutbound Proxy PortPresence Compositor HostPresence Compositor PortSIP User Configuration Options:UsernameFriend NameOther Accepted UsernameAuthentication Options:RealmUsernamePasswordI am using the following configuration and have been unable to connectConfiguration Options:SIP Port: 5060SIP