在 Ubantu上安装 FreePBX 16&Asterisk20
注：必须以 Root 用户身份安装
更新系统
apt-get update && apt-get upgrade -y
安装 SURY 存储库签名密钥
echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php7.x.list
apt-get update && apt-get upgrade -y
安装 SURY 存储库并更新系统软件包
echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" | sudo tee /etc/apt/sources.list.d/php7.x.list
apt-get update && apt-get upgrade -y
安装所需的依赖项（由于依赖原因可能会遇到安装错误则单独安装错误软件包后再安装）
apt-get install -y build-essential linux-headers-`uname -r` openssh-server apache2 mariadb-server mariadb-client bison flex php7.4 php7.4-curl php7.4-cli php7.4-common php7.4-mysql php7.4-gd
apt-get install -y php7.4-mbstring php7.4-intl php7.4-xml php-pear curl sox libncurses5-dev libssl-dev mpg123 libxml2-dev libnewt-dev sqlite3 libsqlite3-dev pkg-config automake libtool autoconf git unixodbc-dev uuid uuid-dev libasound2-dev libogg-dev libvorbis-dev libicu-dev libcurl4-openssl-dev libical-dev lib