VSCOM NetCom Plus 111, User Manual

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8 IP Modem Function
8.4.1 AT command set
The following table lists many standard commands (in alphabetical order). The AT is omitted for
brevity. The discussion of the functions is below the tables in section
8.5 below.
8.4.1.1 Standard AT-Commands
These commands are based on the old Hayes Modem.
AT Hayes-Standard IP Modem Function
A Answer Call Accept a connection
Bn ITU-T modulation Define some modem operation modes
Dnnn Dial connection, basically phone
number as nnn Connect to the target system by
IP Address and TCP-Port. E.g.
ATD10,0,8,42,2023 will "dial" to port
2023 on IP Address 10.0.8.42
E Echo on/off Enable/Disable local echo of command
H0 Hang up Terminate the TCP connection
I Device Information I0 through I9 report information
L Speaker Volume Ignored, always answered with OK
M Speaker On/Off Ignored, always answered with OK
N Auto serial speed N0 no Auto, N1 reports error
O Return to data mode
Q Result Codes Enable or disable result codes/strings
S=nn/S? S-Register Set/request configuration registers
V0/1 Responses Numeric/text responses to commands
X Busy/Dial detect Ignored, always answered with OK
Z Reset to User profile Standard
Table 20: IP Modem Standard AT-Commands
8.4.1.2 Extended AT-Commands
These commands are used in modern modems, and have slightly
different syntax depending on the model.
AT Standard-Extensions IP Modem Function
&C DCD control When to turn on DCD (by IP Modems DTR)
&D DTR meaning Hang Up, Command Mode or Reset
&F Load factory Default
&K Flow Control
&S DSR control When to turn on DSR (by IP Modems DTR)
&V View Profiles
&W Store Profile &W0/&W1 is "Standard". ATZ1 loads profile 1
&Zn=dd Save for short dial Define possible targets by DNS name or IP Address
%C1 V.42bis enable Ignored
\Q Flow control See &K
Table 21: IP Modem Extended AT-Commands
September 2016 NetCom Plus User Manual 98