Install libpt2.10.11 by entering the following commands in the terminal:
sudo apt update sudo apt install libpt2.10.11
Portable Tools Library
This package contains the shared version of the library PTLib, which is a moderately large class library that has its genesis many years ago as a method to produce applications to run on both Microsoft Windows and Unix X-Window systems. . This package also contains all the current PTLib plugins (alsa, oss, pulse, and v4l2).