HE863 family AT commands reference guide
80377ST10083a Rev.6 – 2012-11-12
Reproduction forbidden without written authorization from Telit Communications S.p.A.- All Rights Reserved. Page 49 of 229
+CBST - Select Bearer Service Type
17 - 33600 bps (V.34)
39 - 9600 bps (V.120)
43 - 14400 bps (V.120)
47 - 19200 bps (V.120)
48 - 28800 bps (V.120)
49 - 38400 bps (V.120)
50 - 48000 bps (V.120)
51 - 56000 bps (V.120)
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 (V.110 or X.31 flag stuffing)
79 - 19200 bps (V.110 or X.31 flag stuffing)
80 - 28800 bps (V.110 or X.31 flag stuffing)
81 - 38400 bps (V.110 or X.31 flag stuffing)
82 - 48000 bps (V.110 or X.31 flag stuffing)
83 - 56000 bps (V.110 or X.31 flag stuffing; this setting can be used in conjunction
with asynchronous non-transparent UDI or RDI service in order to get FTM)
84 - 64000 bps (X.31 flag stuffing; this setting can be used in conjunction with
asynchronous non-transparent UDI service in order to get FTM)
115 - 56000 bps (bit transparent)
116 - 64000 bps (bit transparent)
120 - 32000 bps (PIAFS32k)
121 - 64000 bps (PIAFS64k)
130 - 28800 bps (multimedia)
131 - 32000 bps (multimedia)
132 - 33600 bps (multimedia)
133 - 56000 bps (multimedia)
134 - 64000 bps (multimedia)
<name> : bearer service
0 - data circuit asynchronous (UDI or 3.1 kHz modem)
1 - data circuit synchronous (UDI or 3.1 kHz modem)
4 - data circuit asynchronous (RDI)
5 - data circuit synchronous (RDI)
<ce> : connection element
0 - transparent
1 - non-transparent
2 - both, transparent preferred
3 - both, non-transparent preferred
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
3.5.3.2.4. Radio Link Protocol - +CRLP
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