this SIM5218 AT command manual - Cooking Hacks

SIM5218 Serial AT Command Set
80 – 28800 bps(V.110 or X.31 flag stuffing)
81 – 38400 bps(V.110 or X.31 flag stuffing)
83 – 56000 bps(V.110 or X.31 flag stuffing)
84 – 64000 bps(X.31 flag stuffing)
116 – 64000 bps(bit transparent)
134 – 64000 bps(multimedia)
0 – Asynchronous modem
1 – Synchronous modem
4 – data circuit asynchronous (RDI)
0 – transparent
1 – non-transparent
NOTE If is set to 116 or 134, it is necessary that is equal to 1 and is equal
to 0.
Examples
AT+CBST=0,0,1
OK
AT+CBST
+CBST:0,0,1
OK
4.14 AT+CRLP Radio link protocol
Description
Radio Link Protocol(RLP) parameters used when non-transparent data calls are originated may be
altered with write command.
Read command returns current settings for each supported RLP version . Only RLP
parameters applicable to the corresponding are returned.
Test command returns values supported by the TA as a compound value. If ME/TA supports several
RLP versions , the RLP parameter value ranges for each are returned in a separate
line.
SIM PIN References
YES 3GPP TS 27.007
Syntax
Test Command
AT+CRLP=
Responses
+CRLP: (list of supported s), (list of supported s),
(list of supported s), (list of supported s) [,
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5/15/2012