Tag Archives: RFC 2833

A Practical Look at DTMF and RFC 2833/4733

It’s easy to get lost in the technological babble of our industry. We are awash in acronyms, product names, standards (real and pseudo), protocols, and vendor specific terminology. I can’t tell you how many times I thought I was hearing something new only to realize it was just another way of expressing an old idea. […]

DTMF and RFC 2833 / 4733 Revisited

In the past year and a half that I have been writing this blog, I’ve had my share of highly successful articles and a number of total flops. The unfortunate thing is that I never know how any particular article will fare until it has been out there for a while. For instance, my top […]