L Monitor Speaker Loudness; M Monitor Speaker Mode; Ds Data Compression - Nokia 30 GSM Connectivity Terminal At Command Manual

remains connected to the line and the call continues. Implementation is according to GSM
07.07 section 6.18.

6.1.12 L Monitor speaker loudness

Command
Execute
L[0]..L3
The L command is ignored. Implementation is according to GSM 07.07 section 6.18.

6.1.13 M Monitor speaker mode

Command
Execute M[0]..M2
The M command is ignored. Implementation is according to GSM 07.07 section 6.18.

6.1.14 +DS Data compression

Command
Set +DS=<dir>,<neg>,<P1>,<P2>
Read +DS?
Test +DS=?
The +DS command controls the V.42 bis data compression function.
NOTE: The V.42 bis data compression must be supported by the network.
Defined values
<dir> The desired direction(s) of the operation of the data compression function; from
the DTE's point of view:
0
1
2
3
Response
+DS: <dir>,<neg>,<P1>,<P2>
+DS: (0-3),(0,1),(512-2048),(6-32)
Negotiated...no compression
Transmit only
Receive only
Both directions, accept any direction
Default
0,0,2048,20
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