Describes Cisco Unified Border Elements (CUBE), their role as Session Border Controllers (SBCs), and how they enable secure voice and video communication.
A Cisco Unified Border Element (CUBE) is a network device or software that
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facilitates voice and video connectivity between different Voice over IP (VoIP) networks
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primarily functions as a Session Border Controller (SBC), enabling communication between enterprise networks and Internet telephony service providers (ITSPs)
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replaces physical voice trunks with IP-based voice trunks, allowing direct connection to other VoIP networks and ITSPs, and
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provides conventional SBC functions along with a wide variety of advanced features to manage and secure VoIP sessions.
Configuration
You can configure CUBE functionality on Cisco IOS XE Catalyst SD-WAN device using device CLI templates or CLI add-on feature templates.
For more information about CUBE setup, functionality, usage, configuration, and related topics, see the Cisco Unified Border Element Configuration Guide.