$ sudo yum install epel-release vim -y
$ wget http://files.freeswitch.org/freeswitch-releases/freeswitch-1.6.20.tar.bz2
$ tar xvjf freeswitch-1.6.20.tar.bz2

$ sudo yum install gcc-c++ sqlite-devel zlib-devel libcurl-devel pcre-devel speex-devel ldns-devel libedit-devel openssl-devel -y 
$ sudo yum install libjpeg-devel lua-devel libsndfile-devel libyuv-devel git libtool -y

$ cd freeswitch-1.6.20

$ cd libs/ 
$ git clone https://freeswitch.org/stash/scm/sd/libyuv.git 
$ cd libyuv/ 
$ make -f linux.mk CXXFLAGS="-fPIC -O2 -fomit-frame-pointer -Iinclude/" 
$ sudo make install
$ sudo cp /usr/lib/pkgconfig/libyuv.pc /usr/lib64/pkgconfig/

$ cd ..
$ git clone https://freeswitch.org/stash/scm/sd/libvpx.git
$ cd libvpx/
$ sudo yum install yasm -y
$ ./configure --enable-pic --disable-static --enable-shared
$ make
$ sudo make install
$ sudo cp /usr/local/lib/pkgconfig/vpx.pc /usr/lib64/pkgconfig/

$ cd ..
$ git clone https://freeswitch.org/stash/scm/sd/opus.git
$ cd opus/
$ ./autogen.sh
$ ./configure
$ make
$ sudo make install
$ sudo cp /usr/local/lib/pkgconfig/opus.pc /usr/lib64/pkgconfig

$ cd ..
$ git clone https://freeswitch.org/stash/scm/sd/libpng.git
$ cd libpng/
$ ./configure
$ make
$ sudo make install
$ sudo cp /usr/local/lib/pkgconfig/libpng* /usr/lib64/pkgconfig/

$ cd freeswitch-1.6.20
$ ./configure
$ make
$ sudo make install

$ sudo make cd-sounds-install
$ sudo make cd-moh-install

$ sudo ln -sf /usr/local/freeswitch/bin/freeswitch /usr/local/bin/
$ sudo ln -sf /usr/local/freeswitch/bin/fs_cli /usr/local/bin/

cd /usr/local/freeswitch/conf/sip_profiles
mv external-ipv6.xml external-ipv6.xml.inactive

/usr/local/freeswitch/bin/freeswitch

shutdown        
freeswitch -stop           //当运行在后台可以在linux 下使用该命令结束