Toshiba V.90 - Manual (Page 50)

AT Commands
AT command formats
31
&Zn=x Store telephone number
This command is used to store up to four dialing strings in the
modem’s nonvolatile memory for later dialing. The format for the
command is &Zn=“stored number” where n is the location 0-3 to
which the number should be written. The dial string may contain
up to 40 characters. The ATDS=n command dials using the string
stored in location n.
Result codes:
\Nn Error control mode selection
This command determines the type of error control used by the
modem when sending or receiving data.
OK n = 0, 1, 2, 3
ERROR Otherwise
\N0 Buffer mode. No error control. (Also known as Normal
Mode.)
\N1 Same as \N0.
\N2 MNP or disconnect mode. The modem attempts to
connect using MNP2-4 error control procedures. If this
fails, the modem disconnects.
This is also known as MNP-reliable mode.
\N3 V.42, MNP, or buffer (default).
The modem attempts to connect in V.42 error control
mode. If this fails, the modem attempts to connect in
MNP mode. If this fails, the modem connects in buffer
mode and continues operation. This is also known as
V.42/MNP auto-reliable mode.
\N4 V.42 or disconnect. The modem attempts to connect in
V.42 error control mode. If this fails, the call will be
disconnected.