In our last VoIP installment, we looked at the main reasons why SIP has become a widely adopted protocol, but we left details of the protocol’s inner workings fairly vague. This article will drill ...

Most session management platforms can both integrate legacy systems via SIP, H.323 or Q.SIG, or even support SIP-based desktop or softphone clients. The resulting SIP layer, provides an interface to ...

NEC's business-grade broadband wholesale division, NEXTEP, is tooling up its national network to provide Voice over Internet Protocol (VoIP) services, with a wireless offering also on the horizon. "We ...

With the continuing pressure to reduce fixed costs within business, enterprises and small- and medium-sized businesses (SMBs) are looking at Voice over IP (VoIP) as an opportunity for cost savings.