Dr Data Compression Reporting; Facto; B Ccitt/Bell Mode - Nokia 30 GSM Connectivity Terminal At Command Manual

<neg> specifies whether the DCE should continue to operate if the desired result is not
obtained:
0 Do not disconnect if Rec. V.42 bis is not negotiated by the remote DCE as
specified in <dir>
1 Disconnect if Rec. V.42 bis is not negotiated by the remote DCE as
specified in <dir>
<P1> the maximum number of dictionary entries which should be negotiated
<P2> the maximum string length to be negotiated

6.1.15 +DR Data compression reporting

Command
Set
+DR=<mode>
Read +DR?
Test +DR=?
The +DR command controls the presentation of the +DR intermediate result code.
Defined values
<mode> data compression reporting:
0 disabled
1 enabled, i.e. + DR result code transmitted
6.2 DE FACTO

6.2.1 B CCITT/Bell mode

Command
Execute B[0]..B1
The B command is ignored.
Response Default
0
+DR: <mode>
+DR: (0,1)
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