I am wondering if the ringcentral service has the ability to add an incoming call rule to prompt for a user defined password & authenticate it before continuing to route the call to an extension or forward to an external number.
This 4psa voipnow service has this functionality.
https://www.youtube.com/watch?v=-hoWNX...
This 4psa voipnow service has this functionality.
https://www.youtube.com/watch?v=-hoWNX...