5. DATA - CSD/HSCSD
149
LZT 123 7263 R1A
5.2 AT+CRLP Radio Link Protocol
Radio link protocol (RLP) parameters used when non-transparent data
calls are originated may be altered with this command. Available
command subparameters depend on the RLP versions implemented by
the device (e.g. <ver> may not be available if device supports only
versions 0 and 1).
Note! If radio link protocol is not used, but some other error correcting
protocol (for transparent data calls), V.25ter [4] Error Control Selection
test command +ES=? may be used to indicate the presence of the
protocol.
Read command returns current settings for each supported RLP version
<verx>. Only RLP parameters applicable to the corresponding <verx>
are returned.
Test command returns values supported by the TA as a compound
value. If ME/TA supports several RLP versions <verx>, the RLP
parameter value ranges for each <verx> are returned in a separate line.
Description Command Possible Responses
Set radio link
protocol
AT+CRLP=[<iws>
[,<mws>[,<T1>
[,<N2>[,<ver>
[, <T4>]]]]]]
•OK
•ERROR
Read the
command
AT+CRLP? •+CRLP:
<iws>,<mws>,<T1>,<N2>[,<ver1>
[,<T4>]][<CR><LF>
•+CRLP:
<iws>,<mws>,<T1>,<N2>[,<ver2>
[,<T4>]][...]]
•OK
•ERROR
Test if the
command is
supported
AT+CRLP=? • +CRLP: (list of supported <iws>s),
(list of supported <mws>s),
(list of supported <T1>s),
(list of supported<N2>s)[,<ver1>
[,(list of supported <T4>s)]]
[<CR><LF>+CRLP: (list of
supported <iws>s), (list of
supported <mws>s), (list of
supported <T1>s), (list of
supported <N2>s)[,<ver2>[,(listof
supported <T4>s)]][...]]
•OK
•ERROR
<iws> Description
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IWF to MS window size
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