$ sudo apt-get update
$ sudo apt-get install ofono-phonesim 

ofono-phonesim is installed in your system.

Make ensure the ofono-phonesim package were installed using the commands given below,

$ sudo dpkg-query -l | grep ofono-phonesim *

You will get with ofono-phonesim package name, version, architecture and description in a table

ofono-phonesim package basic information: