yum install yum-utils
echo "scott" > /etc/yum/vars/signalwireusername
echo "pat_2mLLY6czvUx4F8U2ChrGwQ59" > /etc/yum/vars/signalwiretoken
yum install -y https://$(< /etc/yum/vars/signalwireusername):$(< /etc/yum/vars/signalwiretoken)@freeswitch.signalwire.com/repo/yum/centos-dev/freeswitch-dev-repo-0-1.noarch.rpm epel-release
yum-builddep -y freeswitch  #参考Error: 找不到软件包 devtoolset-9
yum install -y yum-plugin-ovl centos-release-scl rpmdevtools yum-utils git
yum install -y devtoolset-4-gcc* #参考错误提示：没有可用软件包 devtoolset-4
scl enable devtoolset-4 'bash'
cd /usr/local/src
#编译安装sofia-sip
git clone https://github.com/freeswitch/sofia-sip sofia-sip
cd /usr/local/src/sofia-sip
./bootstrap.sh
./configure
make
make install
#编译安装spandsp
cd /usr/local/src
git clone https://github.com/freeswitch/spandsp.git spandsp
cd /usr/local/src/spandsp
./bootstrap.sh -j4    
./configure   
make -j4    
make install -j4    
export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig:${PKG_CONFIG_PATH}    
ldconfig
#编译安装FreeSwitch
cd /usr/local/src
git clone -b v1.8 https://git.oschina.net/nwaycn/freeswitch.git
cd /usr/local/src/freeswitch
./bootstrap.sh -j
./configure --prefix=/usr/local/freeswitch \
            --exec_prefix=/usr/local/freeswitch \
            --localstatedir=/usr/local/freeswitch \
            --sysconfdir=/usr/local/freeswitch \
            --disable-fhs --enable-portable-binary \
            --with-gnu-ld --with-python --with-erlang --with-openssl \
            --enable-core-odbc-support --enable-zrtp

#这里需要对modules.conf中的applications/mod_abstraction、applications/mod_av、say/mod_say_zh取消注释
make
make -j install
make -j cd-sounds-install
make -j cd-moh-install

yum -y --downloadonly --downloaddir=./gccupdate install centos-release-scl
cd gccupdate
rpm -ivh ./*
yum -y --downloadonly --downloaddir=./gcc9 install devtoolset-9 # 下载gcc 9
cd gcc9
rpm -Uvh ./*
# scl -l
devtoolset-9
scl enable devtoolset-9 bash
gcc --version
gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

wget -O /etc/yum.repos.d/devtoolset-4.repo https://copr.fedoraproject.org/coprs/hhorak/devtoolset-4-rebuild-bootstrap/repo/epel-7/hhorak-devtoolset-4-rebuild-bootstrap-epel-7.repo
yum update -y
yum install -y devtoolset-4-gcc*

===============启动命令================
#详细启动日志并进入控制台模式命令
freeswitch -c -nonat -rp
#退出详细模式启动命令
shutdown
#后台启动freeswitch服务（推荐使用）
freeswitch -nc -nonat
#进入控制台模式命令
fs_cli
#退出控制台命令
/exit 
#关闭freeswitch命令
freeswitch -stop
===============查询服务命令=============
#查看freeswitch安装路径
whereis freeswitch
查看进程号
ps -ef | grep freeswithch
查看freeswitch端口是否被监听
netstat -anp | grep 5060
#查看freeswitch的运行状态
status（控制台模式执行）
#查看freewitch内置用户是否注册
sofia status profile internal reg（控制台模式执行）