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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 Response
Default
Set
+DS=<dir>,<neg>,<P1>,<P2>
0,0,2048,20
Read
+DS? +DS:
<dir>,<neg>,<P1>,<P2>
Test
+DS=? +DS:
(0-3),(0,1),(512-2048),(6-32)
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
Negotiated…no compression
1
Transmit only
2
Receive only
3
Both directions, accept any direction