Install libqofono-dev by entering the following commands in the terminal:
sudo apt update sudo apt install libqofono-dev
Description:
Qt library for Ofono
A library for accessing the ofono daemon, and a declarative plugin for it. This allows accessing ofono in qtquick and friends.
Homepage: https://github.com/nemomobile/libqofono
Version: 0.90+16.10.20160901-0ubuntu1
Section: universe/libdevel