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Integrator’s Reference Manual
6-42 80-99208-1 Rev. D
Valid Value(s)
Any valid combination of AT commands used to configure the
IWF modem of an asynchronous data call.
Missing Parameter Default Value(s)
N/A
Power-On/Reset Default Value(s)
Results Returned
Data Compression Control Command (+DS)
Syntax
+DS[=[<dir>[,<comp_neg>[,<max_dict>[,<max_string>]]]
]|?|=?]
Description
This extended-format compound parameter controls the
V.42bis data compression function on the PSTN link between
the Gateway IWF and the host modem (if provided in the
IWF). It accepts four numeric subparameters:
"" empty string
Result Code Condition
OK A valid quoted <string> was
received and processed.
ERROR Badly formatted <string> or
syntax is not supported.
+CFG: <string>
OK
? is used to query current setting
enclosed in quotes ("").
<dir> Specifies the desired direction(s) of operation
of the data compression function from the
DTE point of view.
<comp_neg> Compression negotiation specifies whether or
not the DCE should continue to operate if the
desired result is not obtained.