^ Toggles calling tone enable/disable.
En Command Echo
E0 Disable command echo
E1 Enable command echo
Hn Disconnect (Hang-up)
H0 Hang up (goes on-hook)
H1 Go off-hook
In Identification
I 0 Report product code
I 2 Report “OK” or “ERROR”
I3 Report firmware revision
I4 Report OEM defined identifier string
I6 Report modem data pump model and internal
code revision
Mn Speaker Control
M0 Speaker is always off
M1 Speaker ON until CONNECT
M2 Speaker is always on.
M3 Speaker off during dialing and receiving carrier and turn speaker on during answering.
On Return to On-Line Data Mode
O0 Go on-line
O1 Go on-line and retrain
P Set Pulse Dial
(for phone line that does not support touchtone dialing)
Zn Soft Reset and Restore Profile
Z0 Restore stored profile 0 after warm reset.
Z1 Restore stored profile 1 after warm reset.
&Cn Control Carrier Detect (CD)Signal
&C0 CD override
&C1 Normal CD operations