3 radio link protocol - +crlp – Rainbow Electronics GM862-QUAD-PY User 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
[
[,
[,
the connection element
This setting is also used during mobile terminated data call setup, in case of
single numbering scheme calls (refer +CSNS).
Parameters:
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)
0 - data circuit asynchronous (factory default)
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
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=[
[,
[,
Set command sets Radio Link Protocol (RLP) parameters used when non-
transparent data calls are originated