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\N3 enables auto-reliable mode{xe "auto-reliable mode"}. During the
handshaking procedures at the start of the online connection, the modem queries
whether the other modem is using V.42{xe "V.42"} error correction{xe "error
correction:automatic"}. If the modem determines that the other modem is using
V.42, it switches itself into reliable (V.42) mode and enables error correction. If it
determines that the other modem is not using V.42, the modem remains in non-error
correction mode. (This is the same as \N5 and \N7.)
\N4 enables reliable mode{xe "reliable mode"}, in which the modem uses its V.42
error correction capabilities for all transmissions. In reliable mode, the modem must
be connected to a modem with a V.42 protocol (MNP or LAP-M).
The V.42 standard includes MNP Class 3 and 4 and LAP-M error correction methods.
\N5 enables auto-reliable mode{xe "auto-reliable mode"}. During the
handshaking procedures at the start of the online connection, the modem queries
whether the other modem is using V.42{xe "V.42"} error correction{xe "error
correction:automatic"}. If the modem determines that the other modem is using
V.42, it switches itself into reliable (V.42) mode and enables error correction. If it
determines that the other modem is not using V.42, the modem remains in non-error
correction mode. (This is the same as \N3 and \N7.)
\N7 enables auto-reliable mode. During the handshaking procedures at the start of
the online connection, the modem queries whether the other modem is using V.42
error correction. If the modem determines that the other modem is using V.42, it
switches itself into reliable (V.42) mode and enables error correction. If it
determines that the other modem is not using V.42, the modem remains in non-error
correction mode. (This is the same as \N3 and \N5.)
%C n
Data Compression{xe "AT commands:%C"}{xe "Data Compression
command"}
n = 0 or 1
Default: %C1
The %C command allows you to disable data compression. Data compression is
normally enabled.
%C0 disables V.42bis/MNP 5 data compression.
%C1 enables V.42bis/MNP 5 data compression.
Immediate Action Commands
Use these commands to get information about AT commands and the current settings
of the modem.
A/
Repeat Last Command{xe "AT commands:A/"}{xe "Repeat Last
Command command"}
Default: None
Type A/ to repeat the previous command. Do not precede this command with AT or
press E
CommPlete Communications Server
to execute it.
NTER
3 AT Commands
31
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