Definition of Border Controls
A Session Border Controller (SBC) is a device used in some VoIP networks to exert control over the signaling and media streams involved in setting up, conducting, and tearing down calls. SBCs are put into the signaling and/or media path between calling and called party. In some cases, the SBC acts as if it was the called VoIP phone and places a second call to the called party.
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Border Controls
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Hosted NAT Traversal Unlocks VoIP Service Provider Offerings
The application is usually delivered via a session border controller (SBC) that is deployed in the carrier/service provider network. The goal for service providers and carriers is to be able to seamlessly deliver VoIP services without territorial boundaries or NAT/firewall devices limiting that capability and without changing the IP infrastructure that is typically already in place.
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Session border control - Making Dreams Reality
Read an in-depth educational piece (published in Telecommunications Magazine, June 2003) about the role that session border controllers play in satisfying critical security, service assurance and law enforcement requirements at service provider network borders and learn about the three primary application areas for these products. Hear directly from Acme Packet's customers and partners about how and why they are using session border controllers in their next gen networks today.
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Session border controllers - delivering interactive communications across IP network borders
Presents an in-depth understanding of the new edge requirements in delivering interactive communications across IP network borders. This paper explains the role that session border controllers play in satisfying critical security, service assurance and law enforcement requirements at service provider network borders.
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Introduction to Session Border Controller (SBC)
A Session Border Controller (SBC) is a device used in some VoIP networks. SBCs are put into the signalling path between calling and called party. The SBC acts as if it was the called VoIP phone and places a second call to the called party. The effect of this behaviour is that not only the signaling traffic, but also the media traffic (voice, video etc) crosses the SBC. Without an SBC, the media traffic travels directly between the VoIP phones.
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VF-Series Network Protection
As end users multiply and more interactive communications services (voice, video, multimedia) are delivered via VoIP networks, the risk of damaging attacks increases. To capitalize on the benefits of VoIP, service providers must thoroughly evaluate its associated risks and architect a complete security solution for their networks. The network protection application in Juniper Networks' VF-Series session border controllers (SBCs) provides comprehensive security for VoIP deployments.
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