#install depencies
apt install python-dev gcc make gcc binutils build-essential
#get pjsip
wget http://www.pjsip.org/release/2.6/pjproject-2.6.tar.bz2
tar -xjf pjproject-2.6.tar.bz2
cd pjproject-2.6
#configure
export CFLAGS="$CFLAGS -fPIC"

#build pjsip
./configure && make dep && make
#build python modules
cd pjsip-apps/src/python/
sudo python setup.py install