June 2010 Archives

At Ingate we've been talking recently about the evolution of SIP to Unified Communications. We've been looking at this topic for some time now, when several years ago we first addressed it as, "global SIP communications."

As our industry evolves one question keeps coming up: what is the future role of the incumbent telecoms on the fixed network? A key driver for UC has been a high demand for SIP trunking, which is fueled by the ability to deliver POTS service over the Internet and hence at a lower price. But this is accomplished by ITSPs, not incumbent telecoms. Continue Reading...

There has been a vigorous debate sparking up the Internet recently asking: "Does an Enterprise need a Session Border Controller (SBC) as part of its implementation of VoIP?"

The short answer is a resounding "YES!"

An Enterprise SBC is a crucial element in enabling and securing SIP deployments.

One common misconception about E-SBCs, and a question we receive often, is: why should a customer purchase a separate E-SBC when their service provider likely has their own? Won't the service provider's E-SBC provide adequate security?

The answer is a wholehearted, "no." Although the service provider may have its own SBC, it is in place to protect the service provider network, not the customer. An SBC at the customer edge assures that the customer's network is fully protected from any potential breach or attack.

Continue Reading...