Rainbow Electronics GM862-QUAD-PY - Manual (Page 73)

AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 73 of 434
+CBST - Select Bearer Service Type SELINT 2
[<speed>
[,<name>
[,<ce>]]] the connection element <ce> to be used when data calls are originated.
This setting is also used during mobile terminated data call setup, in case of
single numbering scheme calls (refer +CSNS).
Parameters:
<speed> - data rate
0 - autobauding (automatic selection of the speed, factory default)
1 - 300 bps (V.21)
2 - 1200 bps (V.22)
3 - 1200/75 bps (V.23)
4 - 2400 bps (V.22bis)
6 - 4800 bps (V.32)
7 - 9600 bps (V.32)
14 - 14400 bps (V.34)
65 - 300 bps (V.110)
66 - 1200 bps (V.110)
68 - 2400 bps (V.110 or X.31 flag stuffing)
70 - 4800 bps (V.110 or X.31 flag stuffing)
71 - 9600 bps (V.110 or X.31 flag stuffing)
75 - 14400 bps (V110 or X.31 flag stuffing)
<name> - bearer service name
0 - data circuit asynchronous (factory default)
<ce> - connection element
0 - transparent
1 - non transparent (default)
Note: the settings
AT+CBST=0,0,0
AT+CBST=14,0,0
AT+CBST=75,0,0
are not supported.
Note: the following settings are recommended
AT+CBST=71,0,1 for mobile-to-mobile calls
AT+CBST=7,0,1 for mobile-to-fix calls
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 GSM 07.07
3.5.4.2.3 Radio Link Protocol - +CRLP
+CRLP - Radio Link Protocol SELINT 0 / 1 / 2
AT+CRLP=[<iws>
[,<mws>[,<T1>
[,<N2>[,<ver>]]]]] Set command sets Radio Link Protocol (RLP) parameters used when non-
transparent data calls are originated