Install asterisk voip and a softphone

Install build utilities:
	yum -y install gcc gcc-c++
	yum -y install kernel-xen-devel
	yum -y install newt-devel
	yum -y install mlocate lynx tar wget nmap bzip2 mod_ssl crontabs vixie-cron

Download asterisk source tarballs, module tarballs,a nd compenent tarballs. Extract them
	mkdir -p /usr/src/asterisk
	cd /usr/src/asterisk
	wget https://downloads.asterisk.org/pub/telephony/asterisk/asterisk-1.6.1-current.tar.gz
	wget https://downloads.asterisk.org/pub/telephony/asterisk/asterisk-addons-1.6.1-current.tar.gz
	wget https://downloads.asterisk.org/pub/telephony/dahdi-linux-complete/dahdi-linux-complete-current.tar.gz
	wget https://soft-switch.org/downloads/spandsp/spandsp-0.0.6pre18.tgz (or most current version)
	wget https://downloads.digium.com/pub/libpri/libpri-1.4-current.tar.gz
	tar -zxf dahdi-linux-complete-current.tar.gz
	tar -zxf asterisk-1.6.1-current.tar.gz
	tar -zxf spandsp-0.0.6pre18.tgz
	tar -zxf libpri-1.4-current.tar.gz
	tar -zxf asterisk-addons-1.6.1-current.tar.gz

Make and install dahdi
	cd /usr/src/asterisk/dahdi-linux-complete-VERSION
	make all
	make install
	make config

Start dhadi and bootup service
	chkconfig dahdi on
	service dahdi start

Make and install asterisk with all modules and addons
	cd /usr/src/asterisk/asterisk-VERSION
	make clean
	./configure

	make menuselect
	make
	make install

	make samples
	make progdocs
	make config
	chkconfig asterisk on

	Check to see asterisk starts properly:
	asterisk -vvvvvvvvvvvvvvvvvvvc
	stop now

	If not, try starting service manually:
	service asterisk start

	Now build addons:
	
	cd /usr/src/asterisk/asterisk-addons-VERSION

	make clean
	./configure
	make menuselect

	make
	make install

	make samples

Create sip accounts in sip.conf
	nano /etc/asterisk/sip.conf
	
	[general]
	context=defau;t
	srvlookup=yes
	bindaddr=131.94.134.13
	port=5061

	disallow=all
	allow=ulaw
	allow=alaw
	allow=ilbc
	allow=gsm
	allow=h261

	[antonio]
	type=friend
	host=dynamic
	nat=no
	qualify=yes

Open udp port 5061 for asterisk:
	-A RH-Firewall-1-INPUT -p udp -m udp --dport 5061 -j ACCEPT

Configure a softphone:

Install twinkle, the old default softphone clinet for the KDE desktop environemnt
	yum install twinkle -y

Configure user for registration with SIP:
	Open Twinkle in graphical enviornemnt
	Edit > User Profile
	Your name: antonio
	User name: antonio
	Domain: 131.94.134.13

To verify the user is registering with SIP and the asterisk voip server
	Registration > Show Registrations
	
	In console:
	
	asterisk -vvvvvr
	To watch notices as users are registered and unregistered from the asterisk SIP registry when starting and stopping twinkle