http://www.ddos-guard.ir

http://central-hosting.com/blog/distributed-reflection-denial-of-service/

http://serverfault.com/questions/502420/what-is-the-allow-anonymous-inbound-sip-calls-option-under-asterisk-sip-setti

And BlockList Block Callerunkown

http://serverfault.com/questions/394399/how-to-stop-registration-attempts-on-asterisk

https://supportforums.cisco.com/discussion/11920586/how-turn-ip-http-secure-server-cisco-3850

http://www.forum.persianadmins.ir/threads/32194-%D9%81%DA%A9%D8%B3-%D8%A8%D8%B1-%D8%B1%D9%88%DB%8C-%D8%A7%D9%84%D8%B3%D8%AA%DB%8C%DA%A9%D8%B3

http://www.rmalekghasemi.ir/file/elastix music on hold.rar

queue-youarenext.gsm

context=from-pstn
username=nakhl
secret=nakhl
qualify=yes
host=dynamic
type=friend

http://stackoverflow.com/questions/25777126/unbound-redirect-all-traffic