Technical data

AT I[<n>] INFO. Returns the modem identification string. <n> : integer ranging from 0 to 9

AT H[0] HANGUP. Disconnects the line.

AT O[1] ONLINE. Switches the modem from command mode to data mode.

<n> Modem response mode

0 Returns result codes (default)

AT Q[<n>]

1 Quiet mode. In quiet mode the modem driver does not return result codes for the

commands.

<n> Modem response (result code) format

0 Numeric result codes.

AT V[<n>]

1 Plain text result codes (verbal mode, default).

AT L<n> Command accepted for compatibility reasons.

AT N<n> Command accepted for compatibility reasons.

AT M<n> Command accepted for compatibility reasons.

AT Y<n> Command accepted for compatibility reasons.

<n>

Result code reporting option

0 Enables minimum information only (plain CONNECT in case of successful connection

establishment, NO CARRIER in case of dialing/answer error).

AT X<n>

4 Enables full information (the result codes are reported, default).

AT Z[<n>] Soft reset. Drops the connection if the modem is in ESCAPE mode. Resets the modem

and restores the selected predefined modem configuration profile <n>. See Supported

TTY profiles on page 52 for more information. See AT&F below for the list of predefined

modem configuration profiles.

AT S<r>=? Displays the value of the selected S-register <r>.

<n>

Description

0 Disables auto answer. Incoming calls are answered with an ALERT message and

indicated by RING messages (every 4 sec). The user can investigate the call

parameters, select the appropriate profile or settings and accept the call by the AT

A command. The user can issue the AT H command to reject the incoming call.

1 ...

254

Enables auto answer. Incoming calls are indicated by a RING and accepted

automatically.

AT S0=<n>

255 Ignores the incoming calls (default).