AT Commands Modem Terminated
164
5.4.2 Intermediate result codes
+DR
Data Compression Indication
5.5.1 Commands
AT+FCLASS
Select Mode
Description:
Data compression report. Enabled by using
.
Intermediate result
code:
+DR: <type>
Parameter:
<type>:
<type>
Description
NONE
No data compression negotiated
V42B
V.42 bis data compression negotiated
V42B RD
V.42 bis half duplex compression negotiated on received
data
V42B TD
V.42 bis half duplex compression negotiated on transmitted
data
5.5 Ensemble C18: Fax Class 1
Description:
Puts the TA in a specific mode of operation. This causes the TA to process information
in a manner suitable for that type of information.
Set command:
AT+FCLASS=
<class>
Read command:
AT+FCLASS?
Displays the current <class> setting.
Test command:
AT+FCLASS=?
Shows if the command is supported.
Test command
response:
+FCLASS: (list of supported <class>s)
Parameter:
<class>:
<class>
Description
0
Data modem
1
Service Class 1 fax modem
2
Service Class 2 fax modem