SIP
AndrewRiyum install dnsmasq
rpm -Uvh http://packages.asterisk.org/centos/6/current/i386/RPMS/asterisknow- version-3.0.1-2_centos6.noarch.rpm
yum update
yum install asterisk asterisk-configs --enablerepo=asterisk-12
asterisk -rv
nano /etc/asterisk/sip.conf
[internal](!)
type=friend
insecure=invite,port
context=office
fromdomain=<имя домена или IP>
host=dynamic
disallow=all
allow=alaw
qualify=yes
canreinvite=no
nat=no
[100](internal)
secret=XXX
[101](internal)
secret=XXX