If These Messages AppearMessage Cause and SolutionCall FAILED. Encryptionsettings (On/Off) must match.Please change the encryptionsetting on one side and tryagain.• The encryption settings do not match those of the other party in a videoconference call.→ Change the encryption settings to match those of the other party(Page 89, Page 101).Call Failed due to wrongencryption key. Pleasecontact your installer.• The encryption key settings do not match those of the other party in avideo conference call.→ Ensure your encryption key setting matches the other party’s(Page 101).Check the Main Cameraconnection.• A cable or cord is not properly connected.→ Check that all cables to the unit are connected properly (Page 19).• The signal input from the main video camera is invalid.→ A valid signal cannot be received from the connected main videocamera. Contact your dealer.Unable to register, the contactlist is full.• The contact list has reached its maximum capacity.→ Delete unneeded contacts (Page 84).Invalid IP Address. • The format of the entered IP address is invalid.→ Enter the IP address correctly, in the format XXX.XXX.XXX.XXX(decimal values separated by periods). For values of only 1 or 2 digits,enter these numbers as they are. Do not enter like [.001].Example: The IP address is [192.168.0.1].– Correct entry: [192.168.0.1]– Wrong entry: [192.168.000.001]Multicast or broadcast addresses cannot be used.Invalid Subnet mask. • The input subnet mask is invalid.→ Enter a valid subnet mask. For values of only 1 or 2 digits, enter thesenumbers as they are. Do not enter like [.000].Example: The subnet mask is [255.255.255.0].– Correct entry: [255.255.255.0]– Wrong entry: [255.255.255.000]Invalid Default Gateway. • The input default gateway is invalid.→ Enter a valid default gateway. For values of only 1 or 2 digits, enterthese numbers as they are. Do not enter like [.001].Example: The default gateway is [192.168.0.1].– Correct entry: [192.168.0.1]– Wrong entry: [192.168.000.001]Invalid Date/Time. • Enter a date within the valid parameters.→ Enter a date between January 1, 2012, and December 31, 2035.136 User ManualAdditional Information