eSBCs: Required for Secure, Interoperable Real Time Unified Communications
By Biju (Brad) Oommen Originally published in Communications Applications News Session refers to the RTC session between two endpoints.In the Digital Age, as a part of the digital transformation for unified communications (UC), organizations worldwide are retiring legacy ISDN/TDM primary rate interface (PRI) voice systems. They are replacing it with Session Initiation Protocol (SIP) based voice and real-time-communications (RTC) services. Whether you are an Over the Top (OTT) provider of SIP trunking or an Internet Telephony Service Provider (ITSP)—or even a subscriber— the enterprise session border controller (eSBC) is a multi-function platform that can provide valuable services for SIP interconnections (real-time communications). The acronym SBC breaks down as follows: Border refers to the crossing point between two networks with disparate trust levels: e.g. your enterprise network and the service-provider network. Controller refers to the ability of the platform to control th
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