Category SIP

COVID Surprised and Lessons Learned

“Surprise is the greatest gift which life can grant us.” Boris Pasternak Until the pandemic changed everything, I was a regular attendee at in-person IAUG chapter meetings across the country.  Most of the time I presented a topic, but on a few occasions, I was simply there to listen and learn.   Although I have never […]

The Four Pillars of Communications Security

I have been working with IP technology for a long time. I can’t tell you the exact year of my first exposure, but it was sometime between 1985 and 1987. I was working at Northern Telecom as a software developer and was tasked with adding a TCP/IP stack to a version of Unix that ran on a Motorola […]

Deploying VoIP Security the NSA Way

In my latest guest blog post for Assertion, I take a look at the NSA guidelines for securing VoIP and UC.  I learned a few new tricks and expect that you will, too.  Take a look at let me know what you think about it. Deploying VoIP the NSA Way

One Year In

“God Grant me the serenity to accept the things I cannot change The courage to change the things I can And the wisdom to know the difference” Reinhold Niebuhr Today marks my one-year anniversary as an Avaya employee.  As I wrote in It’s Déjà vu All Over Again, this is also the anniversary of my […]

How Vulnerable is Your VoIP?

In my latest guest article for Assertion I ask How Vulnerable is Your VoIP? It’s worth a look if only for a photograph of an 18-year-old me.

Beating SIP Hackers at Their Own Game

There’s an old saying that goes, “If you can’t beat ’em, join ’em.”  While I am not advocating that you become a SIP hacker, it’s important that you become familiar with the tools they use.  In my latest guest blog, I take a look at one of the most popular SIP hacking tools — SIPVicious.  […]

Securing Your SBC the Assertion Way

I live in a gated community, but I still lock my doors. My LinkedIn connections may have noticed that I list two current jobs.  My day job is Client Experience Innovations at Avaya.  That’s a fancy way of saying that I am paid to dream up and prototype new ways for people to connect and […]

Why Do You Need a Session Border Controller

SIP has been around since the late 1990’s, but confusion still exists regarding what it is and what it can do.  Most old school telephony people realize that it changes the way we make voice and video calls, but after that their understanding is sketchy. The bewilderment surrounding SIP is often greatest when it comes […]

Planning a Successful SIP Trunk Migration

I keep getting asked to guest blog post about SIP and I just can’t seem to say “no.”  If you are planning a SIP migration or want to tune your existing configuration, this is the article for you. Planning a Successful SIP Trunk Migration

Creating SIP Trunks With Avaya CPaaS

In my latest video, I show you how easy it is to configure and deploy SIP trunks on Avaya CPaaS.  To make it simple to understand, I give you a step-by-step way to PSTN-enable a free SIP soft client.  Check it out!