English Tech/Engineering Telecom(munications)

Lines from the mobile phone software localization resources:

...........
Keypad is locked. Press unlock key
Unlock and then OK
Trasient Failure
Trasient Sending Address Unresolved
Trasient Message Not Found
Trasient Network problem
Permanent Failure
Permanent Service Denied
Permanent Message Format Corrupt
..........

Please explain what does "trasient" mean? Maybe “transient”?