Building a Secure SIP Network

June 9, 2015 Andrew Prokop

Source: No Jitter

With the proper configuration, policies, and services, we can assure ourselves that our conversation has been secured.

For the most part, I love my job. I love sifting through Wireshark traces trying to find needles in SIP haystacks. I get excited learning about new IP communications products, and my heart practically skips a beat when I read about another SIP service climbing out of its physical shell and going virtual.

The best part of my job, however, is when I get to walk away from my PC, IP telephones, and LAN analyzers to meet with the users of unified communications technology. It doesn’t matter if it’s a regional user’s group or a series of one-on-one meetings with IT professionals. I love solving problems and helping people understand the technology that is near and dear to my heart.

With that in mind, today I thought I’d delve into one of the session topics I will be speaking on at the upcoming International Avaya User’s Group’s (IAUG) “Converge” conference in Denver, where I hope to help users solve the problem of securing a SIP network.

Building a Secure SIP Network

When you think about security in terms of SIP and VoIP, you need to consider four different areas:

  1. First, you want to protect the SIP signaling.
  2. You need to protect the media stream.
  3. You need to ensure that people are who they say they are.
  4. Lastly, you need to create a secure network edge that prevents the bad guys from sneaking into your business and compromising your VoIP network.

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About the Author

Andrew  Prokop

Director of Vertical Industries

Andrew Prokop has been heavily involved with SIP and VoIP technologies since the late 1990’s. He holds four United States patents in SIP and was on the team that developed Nortel’s carrier-grade SIP soft switch and SIP-based contact center. His software runs in products from Avaya and Genband. Andrew joined Arrow SI three years ago and through customer engagements, users groups, tradeshows, and webinars has been an evangelist for SIP as a transformational technology for enterprises and their customers. Andrew understands the needs of the enterprise and has the background and skills necessary to assist companies as they drive towards a world of dynamic and immersive communications.

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