apt-get install build-essential git libmysqlclient-dev libvorbis-dev libpcap-dev unixodbc-dev libsnappy-dev libcurl4-openssl-dev libssh-dev libjson0-dev librrd-dev liblzo2-dev liblzma-dev libglib2.0-dev libxml2-dev
apt-get install libpng-dev libgcrypt-dev libfftw3-dev libgoogle-perftools-dev gnutls-dev
cd /usr/src
git clone git://git.code.sf.net/p/voipmonitor/git voipmonitor-git
cd voipmonitor-git
./configure
make
(Is possible you will get a warning like this: " Warning: the use of tmpnam' is dangerous, better use mkstemp" just continue with the next command)
make install
cp config/voipmonitor.conf /etc/
#edit file /etc/voipmonitor.conf to your needs
cp config/init.d/voipmonitor /etc/init.d/
update-rc.d voipmonitor defaults
/etc/init.d/voipmonitor start