Modem commands – NEC 750C User Manual
Page 67

Modem Commands A-1
Modem Commands
AT Commands
Command
Description
Default
A/
Repeat last command
A
Answer a call
B0
Select ITU-T modulation at 300 and
1200bps
B1
Select Bell modulation at 300 and 1200bps
X
Dn
Dial, where n =
P — Pulse dial
T — Tone dial
W — Wait for dial tone
, — Pause
! — Flash hook
@ — Wait for 5 seconds silence
; — Return to command mode
^ — Toggle calling tone enable/disable
E0
Disable command echo
E1
Enable command echo
X
H0
Go on-hook
H1
Go off-hook
L0
Set lowest speaker volume
L1
Set speaker volume to low
X
L2
Set speaker volume to medium
L3
Set speaker volume to high
M0
Speaker is always off
M1
Speaker is on during call connection
X
M2
Speaker is always off
M3
Speaker is off during dialing and on during
call connection
A