AT Commands
45
0
Go on-hook (hang-up)
1
Go off-hook
I
n
Identification Command
0
Display the product identification code.
1
Report pre-computed checksum.
2
Report O.K.
3
Report firmware revision, model and interface
type.
4
Report response programmed by an OEM.
5
Report the country code parameter.
6
Report modem data pump model and code ver-
sion.
L
n
Speaker Volume
0
Off
1
Low (Default)
2
Medium high
3
High
M
n
Speaker Control
0
Speaker always off
1
Speaker on during handshaking and off while
receiving carrier. (Default)
2
Speaker on during handshaking and while receiv-
ing carrier.
3
Speaker off during dialing and receiving carrier
and turn speaker on during answering.
N
n
Automode Detection – This command interacts
with the
F
command and should be thus used.
0
Disabled
1
Enabled (Default)
O
n
Return to Data Mode – after using
+++
command
to switch to command mode.
