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session border controller
Last modified: Thursday, May 04, 2006
A session border controller (SBC) is a piece of
network equipment or a collection of functions that
control real-time session traffic at the signaling,
call control, and
packet layers as they cross a notional packet-to-packet network border
between networks or between network segments. SBCs are critical to the
deployment of VoIP networks, because they address the
inability of real-time session traffic to cross network address translation (NAT)
device or firewall boundaries. [Source:
Heavy Reading - VOIP Session Border Controls]
A Starter Kit on VoIP Confused about whether Voice over IP is the way for your business to go? You're not the only one. The technology has been gaining steam in the tech press during the past year, while federal lawmakers and regulators wrangle over who will have the regulatory upper hand.
VOIP Session Border Controllers: A Heavy Reading Competitive Analysis Telecom network operators, cable companies, and ISPs are now realizing what voice-over-IP (VOIP) vendors have known for some time: Any VOIP deployment will require session border control functionality in one form or another.
