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What does B2BUA stand for?

B2BUA stands for Back-To-Back User Agent

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

Samples in periodicals archive:

With the Cirpack Back-To-Back User Agent (B2BUA) and RTP Forwarder, service providers can now manage and track a SIP call from beginning to end and incorporate external processing into SIP such as, for example, network announcement or automatic disconnection of calls for prepaid calling card users.
RADVISION's SIP Server Platform allows developers to simplify call control functionality implementation, and it provides a complete framework for developing all types of SIP Server applications including Proxies, Redirect Servers, Registrars, Presence Servers and different types of Back-To-Back User Agents (B2BUAs).