1. Configure /etc/portage/package.use

net-misc/asterisk http mysql dev-lang/php mysql opcache fpm pdo curl gd mbstring gettext media-sound/sox flac opus ogg wavpack media-video/ffmpeg vorbis

2. Install asterisk & required packages

3. Install additional packages for chan_dongle

4. Configure nginx & php-fpm

echo php-fpm -y /etc/php/fpm-php5.6/php-fpm.conf >> /etc/local.d/php.start; chmod +x /etc/local.d/php.start;

rc-update add local rc-update add nginx rc-update add mysql rc-update add php-fpm rc-update add asterisk

#log-bin skip-networking tmpdir = /tmpfs slave_load_tmpdir = /tmpfs

mkdir /tmpfs; chmod 777 /tmpfs

5. Generate dh-param for ssl_certificate

openssl dhparam -out /etc/nginx/dhparam.pem 2048

6. Some fixes

ln -s /bin/ifconfig /sbin sed -i '/directories/s/(!)//' /etc/asterisk/asterisk.conf

7. Download and install FreePBX

cd /var/www && wget https://mirror.freepbx.org/modules/packages/freepbx/freepbx-13.0-latest.tgz -O freepbx-13.0-latest.tgz && tar xf freepbx-13.0-latest.tgz

• Configure exim

mkdir /var/log/exim && chown mail:mail /var/log/exim rc-update add exim && /etc/init.d/exim restart