Ofono is a project mainly written in ..., based on the GPL-2.0 license.
ofono mirror
oFono - Open Source Telephony
Copyright (C) 2008-2010 Intel Corporation. All rights reserved.
In order to compile telephony stack you need following software packages:
To configure run: ./configure --prefix=/usr --mandir=/usr/share/man \ --sysconfdir=/etc --localstatedir=/var
Configure automatically searches for all required components and packages.
To compile and install run: make && make install
In order to have the PPP stack working in oFono you need to enable CONFIG_TUN (Universal TUN/TAP device driver support) in your kernel .config.