AT Command Reference Guide for EDGE Wireless ... - wless.ru

Chapter 7 – Call-Related Commands
7.19 AT+CBST Select Bearer Service Type
Description:
Test Command Syntax: AT+CBST=
Response(s):
Read Command Syntax: AT+CBST
Response(s):
The AT+CBST write command selects the bearer service , the data rate
and the connection element to be used when data calls are originated. The settings
also apply to mobile terminated data calls, especially when single numbering scheme calls
or calls from analog devices are received (see AT+CSNS). See GSM 02.02[1] for a list of
allowed combinations of subparameters.
+CBST: (list of supporteds), (list of supporteds), (list of supporteds)
OK
+CBST: , ,
OK
Write Command Syntax: AT+CBST=[, [, ]]
Response(s):
OK, ERROR
Parameter Descriptions:
0 Autobauding
1 300 bps (V.21)
2 1200 bps (V.22)
4 2400 bps (V.22bis)
6 4800 bps (V.32)
7 9600 bps (V.32) Default
14 14400 bps (V.34)
65 300 bps (V.110)
66 1200 bps (v.110)
68 2400 bps (V.110)
70 4800 bps (V.110)
71 9600 bps (V.110)
75 14400 bps (V.110)
0 Asynchronous modem. Default
Transparent mode is not supported.
1 Non-transparent. Default
7.20 AT+CRLP Select Radio Link Protocol
Parameters for Originated Non-Transparent Data
Calls
Description:
Test Command Syntax: AT+CRLP=
Response(s):
Read Command Syntax: AT+CRLP
Response(s):
The AT+CRLP write command sets radio link protocol (RLP) parameters used when nontransparent
data calls are originated. The read command returns the current settings for
the supported RLP version 0.
+CRLP: (list of supporteds), (list of supporteds), (list of supporteds), (list
of supporteds)
OK
+CRLP: , , ,
OK
Write Command Syntax: AT+CRLP=[[, [, [, ]]]]
Response(s):
Parameter Descriptions:
Interworking window size (IWF to MS)
0...61 Default is 61
Mobile window size (MS to IWF)
0...61 Default is 61
Acknowledgement timer (T1 in 10 ms units)
48 - 255 Default is 78
Re-transmission attempts N2
1...255 Default is 6
OK, ERROR, +CME ERROR:
Multi-Tech Systems, Inc. AT Commands for EDGE Modems (S000371B) 84