SBC is designed to manage and control real-time voice and video communications sessions while the firewall block or allow data communications flows.

1. Understanding the differences between a firewall
and SBC will help you select the right one for your
business.
SBC is designed to manage and control real-
time voice and video communications
sessions while the firewall block or allow
data communications flows.
DIFFERENCE BETWEEN AN SBC
AND A FIREWALL
SO WHAT TYPE OF SOLUTION DO YOU NEED ?
IS IT A FIREWALL OR AN SBC ?
The implementation of SBC takes
place as a B2BUA (back-to-back user
agent) while firewall is implemented
as a SIP proxy server.
SBC actively processes both the signalling
and media paths While Firewall is not
actively involved in the audio and video
streams or the RTP media path.
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Firewall looks at traffic at Layers 3 and
4 of the OSI stack, including IP and
TCP/UDP traffic while SBC, can deal
with any layer of the stack, up to
applications at Layer 7.
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SBCs also diverge from firewalls by
providing a number of functions that
go well beyond the security focus of
firewalls.