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Commands for Host-Processed Modems Reference Manual
3-48 Conexant 100498E
+DR: <type> Intermediate Result Code
The +DR: <type> reported represents the current (negotiated or renegotiated) modem-modem
data compression type. If enabled, the intermediate result code is transmitted at the point after
error control negotiation (handshaking) at which the modem has determined which data
compression technique will be used (if any) and the direction of operation. The +DR
intermediate result code, if enabled, is issued after the Error Control Report (+ER) and before
the final result code (e.g., CONNECT).
The format of this result code is:
Result Code Syntax
+DR: <type>
Defined Values
<type> An alphanumeric code corresponding to the selected option:
NONE Data compression is not in use.
V42B V.42bis is in use in both directions.
ALT MNP 5 compression.
Example
+DR: V42B
%C - Enable/Disable Data Compression
Enables or disables data compression negotiation. The modem can only perform data
compression on an error corrected link.
Syntax
%C[<value>]
Defined Values
<value> A decimal number corresponding to the selected option:
0 Disables data compression.
1 Enables both V.42 bis and MNP 5 data compression.
2 Enables both V.42 bis and MNP 5 data compression.
3 Enables both V.42 bis and MNP 5 data compression.
(Default.)
Result Codes
OK <value> = 0, 1, 2, or 3.
ERROR Otherwise.