insys icom i-modul 144/56k, Designer'S Manual, Page: 41 / 63

i-modul Modem 144/56k AT Command Reference
Command Description
AT&V<n>
(Continuation)
Rx LEVEL:
Displays the receive level (which is internally applied at
the modem chip) in –dBm. High values indicate a low input level;
low values indicate a high input level. The optimum receive levels
range from approx. 012 to 028. To high levels could cause distor-
tions; too low levels will cause the line noise to have a negative
impact on the connection quality.
Local Rtrn Count:
Number of retrains (renegotiation of the
connection), triggered by the local modem.
Remote Rtrn Count:
Number of retrains (renegotiation of the
connection), triggered by the remote modem.
AT+VCID=<n>
Configuring CLIP
With this function, the phone number of the caller can be displayed during an
incoming call.
(Only for telephone connections or PABXs, which support CLIP. If you want to
use the CLIP function, please ask your network provider, if your connection sup-
ports this function.
The following countries support CLIP:
Australia, Belgium, China, Denmark, Germany, Finland, Great Britain, Hong Kong,
India, Ireland, Iceland, Italy, Canada, Korea, New Zealand, The Netherlands, Nor-
way, Austria, Sweden, Singapore, Spain, Taiwan, USA)
AT+VCID=0
Disables the CLIP function (default)
AT+VCID=1
Enables the CLIP function and displays the ID preformatted for
calls.
AT+VCID=2
Enables the CLIP function and displays the ID unformatted for calls.
AT+VRID=<n>
Configuring the last received CLIP
The command
AT+VRID
displays the CLIP of the last caller.
AT+VRID=0
displays the ID preformatted
AT+VRID=1
displays the ID unformatted
ATW<n>
Error correction messages
This command determines which data transmission rate information is provided
for a
CONNECT
message.
ATW0
The i-modul Modem 144/56k 3.0 basic reports the baud rate be-
tween i-modul Modem 144/56k 3.0 basic and application. (default)
ATW1
During connection establishment, the i-modul Modem 144/56k 3.0
basic reports the speed on the phone line, the error correction pro-
tocol and the baud rate of the application.
ATW2
The i-modul Modem 144/56k 3.0 basic reports the speed on the
phone line.
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