Siemens M20 Terminal

AT command interface
Version 8 dated 15.03.00 90
Siemens Information and Communication Products
A
AT+FMR Fax: report revision ID
Test command
AT+FMR=?
Response
OK
Read command
AT+FMR
Response
TA reports one or more lines of information text which permit the user to identify the version, re-
vision level or data or other information of the device.
<Revision Id> OK
Parameters
<Revision Id> according to the revision
Reference Note
AT+VGR Receive gain selection of speaker
Test command
AT+VGR=?
Response
+VGR: (list of supported <n>)
OK
Parameter
see set command
Read command
AT+VGR?
Response
+VGR: <n>
OK
Parameter
see set command
Set command
AT+VGR=<n>
Response
TA sets amplification of audio samples sent from the TA to the computer.
OK
Parameter
<n> 0 – Automatic gain control
1(0x1)-128(0x80)
-255(0xFF)
gain=20*log(n/128)
Note
: default value is 64.
Hex input not accepted
Reference
GSM 07.07
Note
Set command works only in audio mode 3.