Epson 4SLC2-50 - Manual (Page 117)

AT Command Summary
Command Description
+++
Escape code
A/ Repeat last command string
A Answer immediate (incoming call)
B0 CCITT V.22 protocol at 1200 bps
B1 Bell 103/212A protocol at 1200 bps
D Dial; originates a call
EO Echo off (command mode)
E1 Echo on (command mode)
H0 On hook; hangup immediately
H1 Off hook; ready to dial
I0 Returns modem’s product ID code
I1
Returns modem’s ROM checksum
12
Tests modem’s internal memory
1
L3 Speaker volume high
M0 Speaker always off
M1 Speaker on until carrier is detected
M2 Speaker always on
M3 Speaker on after last digit dialed; off when carrier is
detected
O0 Return on-line
O1 Return on-line and initiate equalizer retrain (2400 bps)
B-4 Fax/Modem