SerTalk provides access to serial ports by simple terminal. Android devices can be connected to serial port using Serial-to-USB adapter cable with ordinary OTG cable. Most of modern adapter cables supported.

SerTalk can be used as remote serial terminal, just connect to a serial port, run SerTalk and notify the remote party about your room number appeared in toolbar under the title.

Tested with Tetra Pak conrollers TMCC and TMCC2.