Appendixat Commands; Basic At Commands - HP Brio 8300 Online Manual

Basic AT Commands

This section describes the AT commands supported by your modem. If you send an AT command that is not applicable,
the modem returns an error message.
The following table lists the basic AT commands.
Command
+++ Escape characters used to switch between Data mode and Command mode. In either case the computer stays
connected to remote modem.
ATA Manually answers incoming calls. Modem does not answer the telephone.
A/ Repeats the last command line executed.
AT Attention. Begins each command line, except
characters you type do not appear on your screen, your modem is not configured properly.
Switches between BELL/ITU standards at 300 or 1200 bps, where n is either 0 or 1:
ATBn
0 - The ITU V.22, V.21 (factory default) standard.
1 - The Bell 212A and Bell 103 standard.
See Modem Response Messages, on page
Description
. Tests that your modem is working and configured correctly. If
A/
Appendix AT Commands
Basic AT Commands
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