Whether you are working with Avaya, Cisco, Microsoft, or BroadSoft, you will encounter proxies, registrars, and back-to-back user agents. Enterprise Connect is a just a month away, and I am in the ...

Enterprises should consider centralizing all their voice trunks into their data centers as they move to VoIP/SIP. Enterprises should consider centralizing all their voice trunks into their data ...

Session Initiation Protocol, or SIP, has been hailed as the key to the convergence kingdom, the global signaling standard that will enable all switches, gateways and phones — hard and soft — to talk ...

Session Initiation Protocol (SIP), with its promise of serving as a single global signaling standard, has mushroomed in importance for networking in the past year. But it may be years from adoption ...

There’s another element to the SIP architecture, a “session border controller.” This device incorporates a B2BUA or “back-to-back user agent,” plus a firewall and gateway. The B2BUA acts as a ...