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DT900/DT900S Series Phone User Guide
E R R O R S A N D D E B U G G I N G
T L S E R R O R S
The phone closes the TLS connection and logs an appropriate error on sending or
receiving any of the following fatal alert messages defined in RFC 2246.
• Close notify
• Unexpected message
• Bad record mac
• Decryption failed
• Record overflow
• Decompression failure
• Handshake failure
• Bad certificate
• Unsupported certificate
• Certificate revoked
• Certificate expired
• Certificate unknown
• 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
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
Summary of Contents for DT900 Series
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