Just a little update..
The source and schematics are now online on Github. https://github.com/UTZbox/Analog2USBPhone
Oh that's great! and yes I will start a new thread for following projects.
Thanks again!
Dear Paul
Thank you very much! I really appreciate.
I`ll put the source and schematics to Github in the next days. You can use this Link: https://github.com/UTZbox
There are few other projects for teensy as well :-)
Kind Regards
Michael