AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
+CRLP, Radio Link Protocol
This command displays the Radio Link Protocol parameters that are used when non-transparent
data calls are originated.
Command
Type Syntax Response/Action Remarks
Set
+CRLP=
[[,
[,[,,]]]]
OK
or:
+CME ERROR:
Read +CRLP? +CRLP=
,,,,
OK
or:
+CME ERROR:
Test +CRLP=? +CRLP= (list of supported s),
(list of supported s),
(list of supported s),
(list of supported s, version)
OK
or:
+CME ERROR:
The following table shows the +CRLP parameters.
Table 3-78: +CRLP Parameters
Description
IWF to MS window size.
RLP Versions 0,1 - 0-61 frames. Default value is 61.
RLP Version 2 - 0-488 frames. Default value is 240.
MS to IWF window size.
RLP Versions 0,1 - 0-61 frames. Default value is 61.
RLP Version 2 - 0-488 frames. Default value is 240.
Acknowledgement timer T1.
RLP Versions 0,1 - 38 - 255 x 10 ms. Default value is 48.
RLP Version 2 - 42 - 255 x 10 ms. Default value is 52.
Retransmission attempts N2 in integer format
1 to 255 retransmits. Default value is 6.
RLP version.
0, 1 - default versions in GSM mode.
2 - default version in WCDMA mode.
WCDMA and GSM modes support different RLP Versions by default:
April 15, 2010 H24 - AT Commands Reference Manual 3-127