Specifications

UC864-E/G AT Commands Reference Guide
80304ST10041a Rev. 3 - 18/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 61 of 259
+CBST - Select Bearer Service Type
51 - 56000 bps (V.120)
71 - 9600 bps (V.110 or X.31 flag stuffing)
75 - 14400 bps (V110 or X.31 flag stuffing)
80 - 14400 bps (V110 or X.31 flag stuffing)
81 - 38400 bps (V110 or X.31 flag stuffing)
83 - 56000 bps (V110 or X.31 flag stuffing)
84 - 64000 bps ( X.31 flag stuffing)
116 - 64000 bps (bit transparent)
<name> - bearer service name
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)
<ce> - connection element
0 - transparent
1 - non transparent (default)
The bearer service on UC864 only has support for the following
combinations:
<GSM network>
AT+CBST= 0,0,1 (Autobaud 9.6k, non transparent)
AT+CBST= 7,0,1 (V.32 9.6k, non transparent)
AT+CBST=12,0,1 (V.34 9.6k, non transparent))
AT+CBST=14,0,1 (V.34 14.4k, non transparent)
AT+CBST=39,0,1 (V.120 9.6k, non transparent)
AT+CBST=43,0,1 (V.120 14.4k, non transparent)
AT+CBST=71,0,1 (V.110 9.6k, non transparent)
AT+CBST=75,0,1 (V.110 14.4k, non transparent)
AT+CBST= 7,0,0 (V32 9.6k, transparent)
AT+CBST=12,0,0 (V34 9.6k, transparent)
AT+CBST=14,0,0 (V34 14.4k, transparent)
<WCDMA network>
AT+CBST= 0,0,1 (Autobaud 57.6k, non transparent)
AT+CBST=14,0,1 (V.34 14.4k, non transparent)
AT+CBST=16,0,1 (V.34 28.8k, non transparent)
AT+CBST=17,0,1 (V.34 33.6k, non transparent)
AT+CBST=43,0,1 (V.120 14.4k, non transparent)
AT+CBST=48,0,1 (V.120 28.8k, non transparent)
AT+CBST=51,0,1 (V.120 56k, non transparent)
AT+CBST=75,0,1 (V.110 14.4k, non transparent)
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)