More and more companies are migrating to SIP trunking services. In fact, one-third of 300 enterprises surveyed by Webtorials have deployed SIP trunking, with an average cost savings of 33 percent. In this ebook for Fierce Enterprise Communications, I wrote articles talking about how you want to take the next steps from your voice over IP telephony and does SIP trunking really mean the end of the public switched phone network.

You can register and download the ebook here (my work is on the last page).