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AT%U V.42 Response Codes
The %U command allows you to change the response codes issued by your modem when a V.42
connection is established. Compression & encryption messages will be added if active.
After the %U1 command is issued, if your modem establishes a connection with V.42 error
correction, a CONNECT/LAP-M message will be sent to your computer. If an MNP connection
is established, a CONNECT/REL message will be sent to your compuuter.
After the %U2 command is issued, a CONNECT/REL-10 or CONNECT/ LAP-M message will
be sent to your computer to indicate an MNP 10 or V.42 connection has been established.
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The %U command does not revert to the default setting after an ATZ, AT&F or
modem power off is performed. The %U command has no effect on numeric
response codes issued by the modem.
Options
AT%U0 ■ Standard error correction response codes
AT%U1 V.42 response codes sent when a V.42 error corrected connection is
established
AT%U2 Append /LAP-M or/REL (2,4,10) or /MNP-5 or /V.42bis or /DES messages
to the CONNECT message when established
See Also
\V command Error Correction Response Codes
X command Extended Response Codes
Range
0-2