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OnCell G2150I AT Command Set Data Commands
8-7
V42 bis Data Compression Report: +DR
Description: This command determines whether or not the use of V42bis is allowed for an
incoming or outgoing data call, if the feature is provided by the product. The intermediate result
code represents current DCE-DCE data compression type. The format of this result code is as
follows:
+DR: NONE Data compression is not in use
+DR: V42B Rec. V.42 bis is in use in both directions
+DR: V42B RD Rec. V.42 bis is in use in receive direction only
+DR: V42B TD Rec. V.42 bis is in use in transmit direction only
The +DR intermediate result code, if enabled, is issued before the final result code, after the
service report control +CR and before the +ILRR intermediate report.
Command syntax: AT+DR=<status>
Command Possible responses
AT+DR=?
Note: Test command
+DR: (0,1) OK
AT+DR= 1
Note: Reporting enabled
OK
Note: Command valid
AT+DR?
Note: Current value
+DR: 1
OK
Note: Command valid
Defined values: <status>: state of the V42bis enabling
0: disabled (default value)
1: enabled
Select Data Error Correcting Mode: \N
Description: This command controls the preferred error correcting mode for a data connection,
if the feature is provided by the product. It can only be used for transparent data transmission. If
the MNP2 feature is provided, the product authorizes MNP error correction mode.
Command syntax: AT\N<n>
Command Possible responses
AT\N0
Note: no error correction
OK
AT\N?
Note: Current value
0
OK
Note: Command valid
AT\N4 +CME ERROR: 3
Defined values: <n>
0: Disables error correction mode (default value)
5: Selects MNP error correction mode
Note: +E prefixed commands of V.25 ter are not used.