I am trying to create a sandbox account, but all attempts to access https://service.devtest.ringcentral.com with Chrome, Firefox or Edge all fail. It just shows a JSON payload with an error message:
{
"errorCode" : "CMN-201",
"message" : "Service Temporary Unavailable",
"errors" : [ {
"errorCode" : "CMN-201",
"message" : "Service Temporary Unavailable"
} ]
}