Debian 8 "Jessie" is the reference platform for FreeSWITCH™ as of version 1.6 and is STRONGLY recommended for all applications due to its stability and broad support for the system libraries needed by FreeSWITCH.
Building from source
Please use the instructions on the FreeSWITCH 1.6 Video page.
Building Debian packages from master branch
The master branch depends on video libraries which are not available as packages in Debian distribution, but are available from FreeSWITCH repository. Thus, you need to import the FreeSWITCH repository PGP key and use the supplied