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
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