Telephony Card System Requirements
You must prepare your server with the following software requirements before driver installation.
To Install required system dependencies simply copy and paste the below string directly into your Linux command line. The string will automatically download and install missing dependencies on your server.
You must have internet connection for this step
Select only the option that applies to your environment:
CentOS (RedHat distros)
yum -y install kernel-devel-$(uname -r) libtool* make gcc patch perl bison flex-devel gcc-c++ ncurses-devel flex libtermcap-devel autoconf* automake* autoconf libxml2-devel cmake
Ubuntu/Debian
apt-get -y install gcc g++ automake autoconf libtool make libncurses5-dev flex bison patch libtool autoconf linux-headers-$(uname -r) libxml2-devel cmake
NOTE
If libxml2-devel is not preset try using below command on Ubuntu/Debian
apt-get -y install libxml2-dev