AT Commands Modem Terminated
157
ATM
Monitor Speaker Control
Result code (ATV1)
Result code (ATV0)
Description
OK
0
Acknowledges execution of a
command
CONNECT
1
A connection has been established;
the DCE is moving from command
state to on-line data state
RING
2
The DCE has detected an
incoming call from the network
NO CARRIER
3
The connection has been
terminated, or the attempt
establish a connection failed
ERROR
4
Command not recognized,
command line maximum length
exceeded, parameter value invalid,
or other problem with processing
the command line
NO DIALTONE
6
No dial tone detected
BUSY
7
Engaged (busy) signal detected
NO ANSWER
8
“@” (Wait for Quiet Answer) dial
modifier was used, but remote
ringing followed by five seconds of
silence was not detected before
expiration of the connection timer
Description:
Defines the activity of the speaker. This command is ignored by the infrared modem
and is included for compatibility reasons only.
Set command:
ATM
[=][<value>]
Read command:
ATM?
Displays the current <value> setting.
Test command:
ATM=?
Shows if the command is supported.
Test command
response:
M: (list of supported <value>s)
Parameter:
<value>:
<value>
Description
0
Off during the entire call
Default setting
1-3
Different On-modes