User`s guide

Configuration>Serial/AUX>Aux/Modem Port

264

AlterPath OnSite Administrator’s and User’s Guide

Dial telephone number s, where s is the dial string modifier, which may be

up to 40 characters long and include the 0–9, *, #, B, C, and D characters,

and the L, P, T, V, W, S, comma (,), semicolon (;), !, @, ^, and $ dialstring

modifiers.

Dial string modifiers:

L – Redial last number. (Must be placed immediately after ATD.)

P – Pulse-dial following numbers in command.

T – Tone-dial following numbers in command (default).

V – Switch to speakerphone mode and dial the following number. Use ATH

command to hang up.

W – Wait for a new dial tone before continuing to dial. (X2, X4, X5, X6,

or X7 must be selected.)

, – Pause during dialing for time set in register S8.

; – Return to command mode after dialing. (Place at end of dial string.)

! – Hook flash. Causes the modem to go on-hook for one-half second, then

off-hook again.

@ – Wait for quiet answer. Causes modem to wait for a ringback, then 5

seconds of silence, before processing next part of command. If silence is not

detected, the modem returns a NO ANSWER code.

^ – Disable data calling tone transmission.

$ – Detect AT&T call card “bong” tone. The character should follow the

phone number and precede the user’s call card number as in the following

example: ATDT1028806127853500$123456789.

DS=y

Dial stored telephone number.

y=0-2

Dial a number previously stored in a directory number y by the &Zy=x

command. Example: ATDS=2.

Table 6-20: Commonly-Used Supported AT Commands (Sheet 2 of 4)

Command Definition