ITU-T V.25bis Dialing Commands and Responses
F-53821-A2-GB20-30 February 1998
Table F-2 lists V.25bis response messages supported by
the 3821Plus modem.
Table F-2
V.25bis Response Messages
V.25bis Command
Description AT Command/Result Code Equivalent
CALL RESPONSE
CFI Call Failure Indication BUSY, NO ANSWER, NO CARRIER,
NO DIAL TONE, ERROR
CNX Call Connecting Indication CONNECT
LIST RESPONSE
LSN List Stored Number NONE
COMMAND RESPONSE
VAL Valid Command OK
INV Invalid Command ERROR