軟體的電話交換機系統Asterisk，裝在Raspberry PI上的安裝步驟
安裝所需要的套件
apt-get install gcc make perl
apt-get install libxml2 libxml2-dev
apt-get install speex libspeexdsp-dev libspeex-dev
apt-get install ncurses-dev
apt-get install bison
apt-get install openssl
apt-get install mlocate lynx tar wget nmap bzip2
apt-get install sqlite3
apt-get install libsqlite3-dev
apt-get install libssl-dev
cd asterisk-11.9.0
./configure
make menuselect
make
make install
make samples
make config
service asterisk start
asterisk -rvvvv
