Multi-Tech Systems MTSGSM - Manual (Page 41)

Chapter 5 - AT Commands, S-Registers, and Error Codes
MTSGSM 41
Defined values Meaning
<mode>
0
Disables extended format
1 Enables extended format
+CRLP Radio link protocol
Syntax AT+CRLP=[<iws>[,mws>[,<T1>[,<N2>]]]] used to set radio link protocol parameters.
AT+CRLP? returns radio link protocol parameters. The response is +CRLP:
<iws>,<mws>,<T1>,<N2>.
AT+CRLP=? for a list of supported radio link protocol parameters The response is
+CRLP: (list of supported <iws>), (list of supported <mws>), (list of supported <T1>),
(list of supported <N2>)
Error codes is returned as +CME ERROR: <err>:
Description The AT+CRLP command sets the radio link protocol parameters.
Defined values Meaning
<iws>
61
IWF to MS window size
<mws>
61
MS to IWF window size
<T1>
1.100
Acknowledgment timer
<N2>
0-10
Retransmisson attempts
+CSMS Select message service
Syntax AT+CSMS=<service> to select messaging service. The response is +CSMS:
<mt>,<mo>,<bm>
AT+CSMS? returns the selected messaging service. The response is +CSMS:
<service>,<mt>,<mo>,<bm>
AT+CSMS=? for a list of supported <service>. The response is +CSMS: (list of
supported <service>)
Error code is returned as +CMS ERROR: <err>:
Description The AT+CSMS command selects the messaging service:
AT+CSMS=<mt> for mobile terminated
AT+CSMS=<mo> for mobile originated
AT+CSMS=<bm> for broadcast type messages.
Defined values Meaning
<service>
0
GSM 03.40 and 03.41
1-127 Reserved
128 Manufacturer specific
<mt> <mo> <bm>
0
Type not supported
1 Type supported