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SIM800 Series_AT Command Manual_V1.09

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)

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>

Read Command

AT+CRLP?

Parameters

See Write Command

Response

TA sets radio link protocol (RLP) parameters used when non-transparent

data calls are setup.

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

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