User's Manual

AT Command Set
MC35_ATC_01_V04.00 Page 116 of 238 02.04.2002
4.42 AT+CRLP Select radio link protocol param. for orig. non-transparent
data call
Test command
AT+CRLP=?
Response
TA returns values supported by the TA as a compound value.
+CRLP: (list of supported <iws>s), (list of supported <mws>s), (list of supported
<T1>s), (list of supported <N2>s)
OK
Parameter
See write command
Read command
AT+CRLP?
Response
TA returns current settings for the supported RLP version 0.
+CRLP: <iws>,<mws>,<T1>,<N2>[,<verx>]
OK
Parameter
See write command
Write command
AT+CRLP= [<iws>
[,<mws> [,<T1>
[,<N2 >]]]]
Response
TA sets radio link protocol (RLP) parameters used when non-transparent data
calls are originated.
OK
Parameter
<iws> 0-61 Interworking window size (IWF to MS)
<mws> 0-61 Mobile window size (MS to IWF)
<T1> 48-78-255 Acknowledgement timer (T1 in 10 ms units)
<N2> 1-6-255 Re-transmission attempts N2
<verx> 0 RLP version number in integer format; when version
indication is not present it shall equal 0.
Reference
GSM 07.07
Note
• RLP version 0: single-link basic version;
• RLP version 1: single-link extended version (e.g. extended by data com-
pression);
• RLP version 2: multi-link version.
• Compression and multi-link are not supported.