S E C U R I T Y F E AT U R E S
5 -52
DT820 Phone User Guide
• Illegal parameter
• Unknown CA
• Access denied
• Decode error
• Decrypt error
• Export restriction
• Protocol version
• Insufficient security
• Internal error
• User canceled
If any of the above errors are encountered, an error message displays on the phone.
The most common error messages are:
Table 5.4
TLS Errors
8 0 2 . 1 X S T A T U S & D E B U G G I N G M E S S A G E S
The current 802.1X status of the phone is displayed on the Network Information
status screen (Menu\Status\Network Information).
If 802.1X status enabled, the phone displays the current Authentication state as
“Authenticated”, “Held” or “Connecting”.
Error Message
Cause(s)
TLS Bad Certificate.
•
Bad certificate
TLS Certificate Expired.
•
Certificate expired
TLS Certificate Revoked.
•
Certificate revoked
TLS Decrypt Error.
•
Signature Failure
TLS Handshake Failure.
•
Handshake failure
TLS Internal Error.
•
Internal error
TLS Unknown CA.
•
Unknown CA
TLS Unknown Certificate.
•
Certificate unknown
TLS Unsupported Cert.
•
Unsupported certificate
Summary of Contents for DT820 ITY-6D
Page 1: ...DT820 Phone User Manual For UNIVERGE 3C Communications and SIP Net Platforms ...
Page 2: ......
Page 8: ...viii P N 540 441r3 DT820 Phone User Guide ...
Page 20: ...LI ST O F FI G URES 2 List of Figures DT820 Phone User Guide ...
Page 22: ...O VERVI EW 1 2 DT820 Phone User Guide ...
Page 46: ...I NTRO DUCTI O N TO T HE DT 8 2 0 PHONES ITY 6D 1 Phone Specifics 2 26 DT820 Phone User Guide ...
Page 52: ...I NSTALLATI O N 3 32 DT820 Phone User Guide ...
Page 212: ...SI P NET SYSTEM F EAT URES B 192 DT820 Phone User Guide ...
Page 232: ...NO TI CES WEEE Product Disposal Information D 212 DT820 Phone User Guide ...
Page 233: ......
Page 234: ......
