HP Brio 8500, Online Manual

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4 AT Commands
Basic AT Commands
ATIn Returns information about modem product codes, where n is a digit from 0 to 8.
0 -
Four-digit product code.
1 -
Results of poor checksum.
3 -
Product type.
4 -
Current modem settings.
5 -
Nonvolatile memory (NVRAM) settings.
6 -
Link diagnostics.
7 -
Product configuration.
8 -
Return the blacklisted phone numbers.
ATLn Loudspeaker volume control, where n is a digit from 0 to 3:
0 -
Modem speaker disabled.
1 -
Low speaker volume.
2 -
Medium speaker volume.
3 -
High speaker volume.
ATMn Switches speaker on or off, where n is a digit from 0 to 3:
0 -
Speaker off.
1 -
Speaker on until carrier detected.
2 -
Speaker always on.
3 -
Speaker on during handshake.
ATOn Returns online, where n is either 0 or 1:
0 -
Returns online.
1 -
Returns online and retains.
ATQn Control modem responses, where n is either 0 or 1:
0 -
Enables response messages (default).
1 -
Disables response messages.
ATSr? Reads the value of the S register r. Example: ATS0?
Command Description