AT Commands Modem Terminated 162
5.3.2 Intermediate result codes
+ILRR +ILRR Result Code
5.4.1 Commands
AT+DS Data Compression
Description: Reports cable interface speed. This response is enabled by AT+ILRR.
Intermediate result
code:
+ILRR: <rate>
Parameter:
<rate> Description
Discrete integer value The rate, in bits per second, at which the DTE-DCE
interface should operate. Currently, the following rates are
supported:
0, 300, 1200, 2400, 4800, 9600, 14400, 19200, 28800,
38400, 57600, 115200, 230400, and 460800
If unspecified or set to zero, automatic detection is selected
and the character format is forced to auto-detect
(AT+ICF=0)
5.4 Ensemble C6: Data Compression
Description: Controls the V.42 bis data compression function, if provided in the TAE.
Set command: AT+DS=[<direction>[,<compression_negotiation>[,<max_dict>[,<max-string>]]]]
Read command: AT+DS? Displays the current <direction>, <compression_negotiation>,
<max_dict>, and <max_string> settings.
Test command: AT+DS=? Shows if the command is supported.
Test command
response:
+DS: (list of supported <direction>s),(list of supported
<compression_negotiation>s),(list of supported <max_dict>s),(list of supported
<max_string>s)
Parameters:
<direction>: Specifies the desired direction(s) of operation of the data compression function.
<direction> Description
0 Disable V.42 bis
1 Enable V.42 bis in transmit direction only
2 Enable V.42 bis in receive direction only
3 Enable V.42 bis compression in both directions
Default setting
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