AT commands as input are sent to modem and responses given as output.
...Each command will be send to the modem, and all the response
for the command will be output to file (or stdout).
Example, to hang up any ongoing call:
$ echo ATH | atinout - /dev/ttyACM0 -
ATH
OK
$
A secure VoIP client for Google Android based on SipDroid (http://sipdroid.org). CounterTap uses SRTP to secure the media stream. Please read the FAQs in the help forum before installing. NB: I will restart dev work later in 2010, pending resources.