3Com 1.024.1644-00 manual Technical Reference, ITU-T answer sequence, En Sets local echo

Technical Reference

Any key Aborts off-hook dial/answer operation and hangs up.

AT Required command prefix, except with A/, +++, and A>. Use alone to test for OK result code.

Bn

Dn

U.S./ITU-T answer sequence

B0 ITU-T answer sequence

B1 U.S. answer tone

Dials the specified phone number, includes the following:

0-9 Numeric digits

#, * Extended touch-tone pad tones

LDials the last dialed number

P Pulse (rotary) dial

R Originates call using answer (reverse) frequencies

Sn	Dials the phone number string stored in NVRAM at
	position n (n = 0−3); phone numbers are stored with the
	&Zn=s command
T	Tone dial

,(Comma) Pause, See S8 definition; which it is linked to

; (Semicolon) Return to Command mode after dialing

“ Dials the letters that follow (in an alphabetical phone number)

! (Exclamation point) Flashes the switch hook

/ Delays for 125 ms. before proceeding with dial string

W Wait for second dial tone (X2 or X4); linked to S6 register

@ Dials, waits for quiet answer, and continues (X3 or higher)

$ Displays a list of Dial commands

En Sets local echo

E0 Echo OFF

E1 Modem displays keyboard commands

Fn Sets online local echo of transmitted data ON/ OFF

F0 Local echo ON, modem sends a copy of data it sends to the remote system to your screen

F1 Local echo OFF, receiving system may send a remote echo of data it receives

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