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 to the Session Border Controller (SBC).   People know that it is part of a SIP solution, but they are unsure of exactly why.   On top of that, even those that have an acceptable understanding of what an SBC is used for are still confused as to its placement in the network.  Does it sit on the network edge or inside the DMZ?  What is its relationship with a company’s existing data firewall?  Can I split two SBCs between my geographically separated data centers?  These questions stymie many experienced telephony managers and their staffs.

In my latest guest blog article, I address a question that I sadly still run across. I would love it if you took a look.

Why Do You Need a Session Border Controller

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