Asterisk (important) Security Tips

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It is no secret that IP PBX systems are a hot target these days by attackers in order to get steal free phone calls at your expense. It is therefore important to make sure your system is secure. Remember: Security is a process, not a product. — Bruce Schneier There are many articles out there […]

May 16, 2013 / By Tom

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The Power of VoIP Termination is Within Reach

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After a series of some tech posts concerning VoIP termination and CommPeak, I wanted to share with you here on our blog some interesting highlights of the wholesale VoIP services CommPeak offers to its ever-increasing pool of clients worldwide. A Killer SIP Trunking Service From powerful feature-rich voice termination to toll free numbers, DIDs and […]

September 19, 2012 / By Sasha

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Understanding Asterisk Failover SIP Peers: Part 1

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When running a call-center setup where you strive to be 100% available at all times, it is important not to assume that your PBX, Internet links or even VoIP carrier will be 100% reliable. In this post, we will try to explain why it’s important to have multiple SIP peers and to use a secondary […]

September 7, 2012 / By Tom

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Wanna know SIP? Read the RFC!

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When I first configured Asterisk a few years back, it took me a lot of time to set it up properly because of many technical issues I experienced: echo, jitter, authentication issues, caller id problems, IAX vs. SIP (Pick SIP), NAT, dial plan and what not. From Wikipedia: In computer network engineering, a Request for […]

September 6, 2012 / By Tom

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