Specifications
UC864-E/G/WD/WDU AT Commands Reference Guide
80304ST10041a Rev. 7 - 2010-10-14
Reproduction forbidden without Telit Communications S.p.A’s. written authorization - All Rights Reserved. Page 70 of 318
+CBST - Select Bearer Service Type
AT+CBST=80,0,1 (V.110 28.8k, non transparent)
AT+CBST=81,0,1 (V.110 38.4k, non transparent)
AT+CBST=83,0,1 (X.31FS 56k, non transparent)
AT+CBST=83,4,1 (X.31FS 56k RDI, non transparent)
AT+CBST=84,0,1 (X.31FS 64k, non transparent)
AT+CBST=116,1,0 (Bit transparent 64 kbps, transparent)
AT+CBST? Read command returns current value of the parameters <speed>,
<name> and <ce>
AT+CBST=? Test command returns the supported range of values for the parameters.
Reference 3GPP TS 27.007
3.5.4.2.4. Radio Link Protocol - +CRLP
+CRLP - Radio Link Protocol
AT+CRLP=[<iws>
[,<mws>[,<T1>
[,<N2>[,<ver>]]]]]
Set command sets Radio Link Protocol (RLP) parameters used when non-
transparent data calls are originated
Parameters:
<iws> - IWF window Dimension
1..61 - factory default value is 61 ( ver 0/1 )
1..488 - factory default value is 240 ( ver 2 )
<mws> - MS window Dimension
1..61 - default value is 61 ( ver 0/1 )
1..488 - factory default value is 240 ( ver 2 )
<T1> - acknowledge timer (10 ms units).
39..255 - default value is 78 ( ver 0 or 1 )
43..255 – deafault value is 52 ( ver 2 )
<N2> - retransmission attempts
1..255 - default value is 6 ( ver 0/1/2 )
<ver> - protocol version
0..2
AT+CRLP? Read command returns current settings for each supported RLP version
<ver>.
+CRLP : <iws>,<mws>,<T1>,<N2>
+CRLP : <iws>,<mws>,<T1>,<N2>,<ver>
OK
AT+CRLP=? Test command returns the range of setting value for each supported RLP
version <ver>.
Reference 3GPP TS 27.007
Note Versions 0 and 1 share the same parameter set. Read and Test commands
shall return only one line for this set ( where <ver> is not present )










