B2BUA

AcronymDefinition
B2BUABack-To-Back User Agent
References in periodicals archive ?
The B2BUA component enabled them to reliably control the routing and connection of calls.
RADVISION's SIP Server Platform provides a complete framework for developing all types of SIP Server applications including proxies, redirect servers, registrars, presence servers and different types of B2BUAs.
This new version of the RADVISION B2BUA also delivers an implementation of Third-Party Call Control (3PCC) state machine enabling applications developed using the RADVISION solution to connect a call between two parties and transfer a connected call to a third party.
5 of this award-winning toolkit features enhanced server-grade application capabilities, a new internal multi-threading model, additional support of IPv6 and multi-homed hosts, in addition to the new B2BUA and Presence modules.
We at RADVISION have been tracking both the needs of our development customers and the SIP standards bodies closely and we now feel that presence functionality and B2BUA, which enables true call control and protocol interworking, are crucial features of any SIP development kit.
With the Back-to-Back User Agent (B2BUA) module, the SIP server becomes an active participant in the call from beginning to end, as all signaling messages pass through and are processed by the B2BUA at all times.
This B2BUA functionality provides major new functionality including:
networks, where the B2BUA can convert SIP signaling to H.
server running B2BUA maintains the call status and is able to