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SERIES II INTELLIGENT DATA/FAX MODEMS
V.25bis Responses (Result Codes)
When in V.25bis mode (the AT$V1 command executed), your modem
provides you with several responses which can help you follow the
progress of V.25bis operations. These are similar to the Result Codes
associated with AT Command mode operation. The V.25bis responses
are in the form of three-character mnemonics as listed below:
INC Incoming Call (same as RING indicator)
VAL A valid V.25bis command has been attempted
DLCt Call delayed for t minutes (number on Delayed list)
CFlrr Call failure indicator where rr equals:
et - Engaged tone (same as BUSY)
nt - Call Answered but No Answer Tone
ab - Call Not Answered
fc - Number on Forbidden List
ns - Number not stored in memory
ua - User Abort
nd - No Dialtone
ff - Forbidden List full
LSNmm;dd...dd Phone number in V.25bis memory
LSDmm;dd...dd Phone number on the Delay list
LSFmm;dd...dd Phone number on the forbidden list
CON ssss Connection at ssss speed (if X1 in effect)
V.25bis AT Commands
The AT commands associated with V.25bis mode are described as
follows. Note that one command enables and disables V.25bis mode and
the rest are only operable in the V.25bis mode.