MM6854/64 Dual Band GSM Data Modem
ME 820047 Issue 1.0
Page 28 03/00
5.1.48 AT+DS – Data compression mode
This command is used to determine the possible data compression mode between the modem and
the compression negotiation with the remote modem after call set-up.
Enter
AT+DS=<p0>,<n>,<p1>,<p2
>
Where <p0>
0
1
2
3
Where <n>
0
1
Where <p1>
512 – 1024
Where <p2>
6 - 64
AT+DS?
AT+DS=?
Response
None
Transmit only
Receive only
Both directions, but allow negotiation
Allow negotiation of <p0> down
Don’t allow negotiation of <p0 down, disconnect if difference
Dictionary size
Maximum string
Displays the current value.
Displays the supported values.
Notes:
None
Result codes:
OK
ERROR
5.1.49 AT+FCLASS – Select, read or test service class
This command is used to toggle between fax and data commands.
Enter
AT+FCLASS=0
AT+FCLASS=1
AT+FCLASS?
AT+FCLASS=?
Response
Set to data mode
Set to fax mode
Displays the current value
Displays the supported values
Notes:
None
Result codes:
None
5.1.50 AT+FMI – Report manufacturer ID
This command provides the name of the module manufacturer.
Enter Response
Notes:
None
Result codes:
OK
ERROR