At\Qn Flow Control; Ata Answer A Call - Siemens MC35 Command Set

AT Command Set

2.3 AT\Qn Flow control

Execute command Response
OK
AT\Q<n>
Parameter
<n>
Reference Note
Line state refers to RS-232 levels.
The setting of AT\Q is stored volatile and must be restored each time after the
GSM engine was switched off. Also, there is no way to store AT\Q to the user
defined profile.
See also Chapter 1.6 for general information on flow control.

2.4 ATA Answer a call

Execute command
TA causes remote station to go off-hook (e.g. answer call).
ATA Note1
Note2:
Response
Response in case of data call, if successfully connected:
CONNECT<text> TA switches to data mode.
Response in case of voice call, if successfully connected:
OK
When TA returns to command mode after call release:
OK
Response if no connection:
NO CARRIER
Parameter
Reference Note
See also AT+ATX and Chapter 9.1.5 for <text>
V.25ter
MC35_ATC_01_V05.00
0 AT\Q0
1 AT\Q1
2 AT\Q2
3 AT\Q3
: Any additional commands on the same command line are ignored.
This command may be aborted generally by receiving a character during
execution. It can´t be aborted in some connection setup states, such as
handshaking.
<text> output only if +ATX parameter setting with value > 0.
Note:
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No flow control
XON/XOFF software flow control
Only CTS by DCE
RTS/CTS hardware flow control
Required for the following procedures: incoming
or outgoing data calls, fax calls, GPRS connec-
tions, CYCLIC SLEEP modes set with AT+CFUN.
Often, the initialization routine of Fax programs in-
cludes enabling RTS/CTS handshake, eliminating
the need to issue AT\Q3 once again.
15.07.2002