GNU/Linux Mint Installing oFono Phonesim – QuickStart Guide
Hello Linux user! The Tutorial shows you Step-by-Step How to Install oFono Phonesim in Mint 18.x/19.x/20.x/21.x/22.x LTS GNU/Linux Desktop.
And oFono Phonesim for Mint is a Modem Emulator that oFono uses for development and testing. This allows oFono to be used by any host without requiring special GSM (or other) hardware.
Moreover, oFono is a stack for Mobile Telephony Devices on Linux. oFono supports speaking to Telephony Devices through specific Drivers, or with generic AT Commands.
Finally, this guide includes detailed instructions on Getting Started with oFono Phonesim on Mint.

1. Launching Terminal
How to QuickStart with Command Line on Mint GNU/Linux
First, Update the Apt Repo Sources with:
sudo apt update
Authenticate with the User Admin Pass.
If Got “User is Not in Sudoers file” then see: How to Enable sudo.
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