Message Cause and SolutionFailed to obtain the WAN IPAddress.• There was an error in receiving the WAN address from the externalserver.→ Contact your dealer.Administrative rights arerequired for this operation.• The operation has been restricted in the administrator menu.→ Contact your network administrator.Invalid Operation. • A menu option that cannot be executed is selected.→ During a one-to-one connection video conference, operations for amultiple-party video conference call cannot be performed.Invalid Operation. • A menu option that cannot be executed is selected.→ When contents are being shared using single-stream communicationduring a multiple-party video conference call using a built-in MCU, atthe Main Site the communication menu items "Make a call" and "MainPosition set." cannot be selected.Registration Page of KX-VC Series NAT Traversal ServiceBasic OperationProblem Cause and SolutionThe language displayed onthe screen is a foreignlanguage.• The language setting is incorrect.→ In the upper right of the login screen, select your preferred languagefrom the drop-down list (Page 134).I cannot log in to the deviceapplication screen.• The characters displayed in the image were not entered correctly.→ Check that the capitalization of characters is correct, and then tryentering them again.→ Check that you have not entered any unused characters, and then tryentering them again. The following characters are not used.– Uppercase letters: I O– Lowercase letters: c i j l o s u v w x zIf These Messages AppearMessage Cause and SolutionInvalid Activation Keyentered.• The Activation Key No. or the Registration ID you entered is incorrect.→ Check the information written on the activation key to ensure it isentered correctly.Activation Key alreadyregistered.• The Activation Key No. and Registration ID you entered is already inuse by another HD Visual Communication Unit.• You entered an Activation Key No. and Registration ID that have beenused for registration in the past.→ Enter the information written on an activation key that has not beenused yet. If the message still appears, contact your dealer.Document Version 2015-03 User Manual 167Additional Information
