Westermo GDW-11 - Manual (Page 144)

144 Data commands 6615-2220
+DR – V42 bis data compression report
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.
Syntax:
AT+DR=<status>
Parameters:
<status>
State of the V42bis enabling
0: disabled (default value)
1: enabled
Command example Possible responses Note
AT+DR=? +DR: (0.1)
OK
AT+DR=1 OK Reporting enabled
AT+DR? +DR: 1 Current value
OK