Toshiba TECRA A4 User Manual page 218

Result Code
DELAYED
*2
BLACKLISTED
*2
BLACKLIST FULL
EC only appears when the Extended Result Codes configuration option is
*1:
enabled. EC is replaced by one of the following symbols, depending upon the
error control method used:
V.42bis - V.42 error control and V.42bis data compression.
V.42 - V.42 error control only.
MNP 5 - MNP class 4 error control and MNP class 5 data compression.
MNP 4 - MNP class 4 error control only.
NoEC - No error control protocol.
*2: In some countries/regions, these result codes may not appear.
Numeric Description
88
89
90
*2
Appendix D
Delay is in effect for the dialed
number
Dialed number is blacklisted
Blacklist is full
D-7