Manual

Smart Machine Smart Decision
SIM800 Series_AT Command Manual_V1.09 92 2015-08-03
3.2.33 AT+CRLP Select Radio Link Protocol Parameters
AT+CRLP Select Radio Link Protocol Parameters
Response
TA returns values supported. RLP versions 0 and 1 share the same
parameter set.
+CRLP: (list of supported <iws>s),(list of supported <mws>s),(list of
supported <T1>s),(list of supported <N2>s),(list of supported <T4>s)
OK
Test Command
AT+CRLP=?
Parameters
See Write Command
Response
TA returns current settings for RLP version. RLP versions 0 and 1 share
the same parameter set.
+CRLP: <iws>,<mws>,<T1>,<N2>,<T4>
OK
Read Command
AT+CRLP?
Parameters
See Write Command
Response
TA sets radio link protocol (RLP) parameters used when non-transparent
data calls are setup.
OK
Write Command
AT+CRLP=<iws
>[,<mws>[,<T1>[
,<N2>[,<T4>]]]]
Parameters
<iws> 0-61 Interworking window size (IWF to MS)
<mws> 0-61 Mobile window size(MS to IWF)
<T1> 44-255 Acknowledgment timer T1 in 10 ms units
<N2> 1-255 Retransmission attempts N2
<T4> 7 Re-sequencing period in integer format, in units of 10 ms.
Parameter Saving
Mode
AT&W_SAVE
Max Response
Time
-
Reference
3GPP TS 27.007
[13]
Simcom redefine param`s value range
3.2.34 AT+CRSM Restricted SIM Access
AT+CRSM Restricted SIM Access
Test Command
AT+CRSM=?
Response
OK