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MC55 AT Command Set
7.2 ATA
7.2
ATA Answer a call
Syntax
Exec Command
ATA
Response(s)
In case of data call, if successfully connected:
CONNECT
<text>
TA switches to data mode.
In case of voice call, if successfully connected:
OK
When TA returns to command mode after call release:
OK
If no connection:
NO CARRIER
PIN
ASC0
ASC1
MUX1
%
%
%
Reference(s)
V.25ter
Command Description
TA causes remote station to go off-hook (e.g. answer call).
Parameter Description
(str)
<text>
Connection status
output only if
<text>
ATX
Notes
•
Any additional commands on the same command line are ignored.
•
The command may be aborted generally by receiving a character during execution. It can't be aborted in
some connection setup states, such as handshaking.
•
if
setting is 1 or 2, all incoming calls will be answered as fax calls, if ATA is issued on multiplexer
AT+FCLASS
channel 1 resp. ASC0. For calls explicitly signalled as voice or data calls, this procedure will fail with result
code "NO CARRIER", but the call in question will continue to ring.
It is possible to change the setting for
afterwards with
.
ATA
•
The ATA command may be used also to accept a network request for a PDP context activation (see
•
See also
for
ATX
<text>
MC55_ATC_V01.05
Confidential / Released
MUX2
MUX3
%
%
%
parameter setting with value greater 0.
AT+FCLASS
.
Page 139 of 469
to 0 while the call is ringing, and accept the call normally
s
m
obile
).
ATA
2/10/04
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