APRSTT - Touch Tones

Using touch tones to do APRS:

• http://www.aprs.org/aprstt.html
• http://www.aprs.org/aprstt/aprstt-v.txt - the spec
• https://www.tapr.org/pdf/DCC2010-APRSSpeak-KA2UPW.pdf - implementation
• http://info.aprs.net/index.php?title=APRStt - the APRS wiki

Touch tones?   Why not use voice input?  As long as a raspberry pi has Internet access to Google, it should be fairly straight forward to replace the touch touch responses with speech commands.

http://www.raspberrypi.org/meet-jasper-open-source-voice-computing/