Notes, Call control, Hang up call +chup – Synaccess Networks NP-0801DTM User Manual
Page 47: Syntax, Select bearer service type +cbst

3GPP TS 27.007 AT COMMANDS
47
HSPA+ AT Commands Reference Guide
Response timer for the multiplexer control channel in units of ten milliseconds.
2‐255
Default: 30 (300 ms). Note: T2 must be longer than T1.
Wake up response timer in seconds.
1‐255
Currently not supported, in case of read command 0 is returned.
Window size, for Advanced operation with Error Recovery options.
1‐7
Currently not supported. For read command, 0 is returned.
Notes
All the CMUX protocol parameters are fixed as defined in GSM07.10 and cannot be changed.
Reference: 3GPP TS 27.007, 3GPP TS 27.010.
Call Control
Hang Up Call +CHUP
Execute command cancels all active and held calls, as well as multi‐party sessions, if running.
Test command returns the OK result code.
Syntax
Command
Command type
AT+CHUP
Execute
AT+CHUP=?
Test
Notes
Reference: 3GPP TS 27.007.
Select Bearer Service Type +CBST
Set command sets the bearer service
used when data calls originate. This setting is also used during mobile terminated data call setup, in case of single
numbering scheme calls. See +CSNS.
Read command returns current value of the parameters
Test command returns the supported range of values for the parameters.
Syntax
Command
Command type
AT+CBST=[
Set
AT+CBST?
Read
AT+CBST=?
Test