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Multi-Tech Systems MTSGSM User Manual

Page 41

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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=[[,mws>[,[,]]]] used to set radio link protocol parameters.
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 ), (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= to select messaging service. The response is +CSMS:
,,
AT+CSMS? returns the selected messaging service. The response is +CSMS:
,,,
AT+CSMS=? for a list of supported . The response is +CSMS: (list of
supported )
Error code is returned as +CMS ERROR: :

Description

The AT+CSMS command selects the messaging service:

AT+CSMS= for mobile terminated
AT+CSMS= for mobile originated
AT+CSMS= for broadcast type messages.

Defined values Meaning

0

GSM 03.40 and 03.41

1-127

Reserved

128

Manufacturer specific


0

Type not supported

1

Type supported