Multi-Tech Systems MTSGSM User Manual
Page 41

Chapter 5 - AT Commands, S-Registers, and Error Codes
MTSGSM
41
Defined values Meaning
0
Disables extended format
1
Enables extended format
+CRLP
Radio link protocol
Syntax
AT+CRLP=[
AT+CRLP? returns radio link protocol parameters. The response is +CRLP:
AT+CRLP=? for a list of supported radio link protocol parameters The response is
+CRLP: (list of supported
(list of supported
Error codes is returned as +CME ERROR:
Description
The AT+CRLP command sets the radio link protocol parameters.
Defined values Meaning
61
IWF to MS window size
61
MS to IWF window size
1.100
Acknowledgment timer
0-10
Retransmisson attempts
+CSMS
Select message service
Syntax
AT+CSMS=
AT+CSMS? returns the selected messaging service. The response is +CSMS:
AT+CSMS=? for a list of supported
supported
Error code is returned as +CMS ERROR:
Description
The AT+CSMS command selects the messaging service:
AT+CSMS=
AT+CSMS=
AT+CSMS=
Defined values Meaning
0
GSM 03.40 and 03.41
1-127
Reserved
128
Manufacturer specific
0
Type not supported
1
Type supported