Maxon MM-6854, Application Notes

Page: 34 / 65

MM6854/64 Dual Band GSM Data Modem
ME 820047 Issue 1.0
Page 26 03/00
5.1.43 AT+CRLP – Radio Link Protocol parameters
This command lets you change parameters for the radio link protocol, used only for NON-transparent
data transmission.
Enter
AT+CRLP=<up-window
size>,<down window
size>,<acknowledgement
timer>,<retransmissions
attempts>,<reset
allowed>,<re-sequencing
time>
AT+CRLP?
AT+CRLP=?
Response
Displays the current settings.
Displays the supported settings.
Notes: None
Result codes:
OK
ERROR
5.1.44 AT+CSCA – Service centre address
This command shall be used to indicate to which service centre the message has to be sent.
The modem has no default value for this address. If a SMS is sent without having indicated the
service address, an error will be generated.
Enter
AT+CSCA=”<sca>”
Where <sca>
AT+CSCA?
Response
GSM 04.11 RP SC address address-values field string format.
Displays the current value.
Notes:
None
Result codes:
OK
ERROR
Message service failure result codes
5.1.45 AT+CSDH – Show test mode parameters
This command is used to determine if a detailed header information is shown in text mode result
codes.
Enter
AT+CSDH=0
AT+CSDH=1
AT+CSDH?
AT+CSDH=?
Response
Disable header information.
Enable header information
Displays the current value.
Displays the supported values
Notes: None
Result codes:
OK
ERROR
Message service failure result codes