LOS ANGELES—This is the second installment of a contribution from Jim DeFilippis on SDI versus IP. For Part 1, see “Which Switch is Which?” The second tale-of-the-tape issue is delay or latency. There ...

Marguerite Reardon started as a CNET News reporter in 2004, covering cellphone services, broadband, citywide Wi-Fi, the Net neutrality debate and the consolidation of the phone companies. As Internet ...

Following up on the VoIP quality issues that we discussed in last week’s newsletter, this week we’d like to take a deeper dive into some of the possible problems that can make VoIP call quality ...

Not only did the skyline of New York City change on September 11th, but the landscape of our sense of security changed as well. The question of how best to protect our infrastructure is a hot topic of ...

Vendors would have you believe you need to spend thousands of dollars on protocol analyzer software to troubleshoot Voice over IP (VoIP) networks. After all, voice quality suffers if packets are late, ...

MyNetFone has confirmed it will prioritise voice-over IP packets on its Naked DSL service to be launched at CeBIT in May. The VoIP provider's technical director, Rene Sugo, told iTnews that while the ...

KPMG has released a new whitepaper warning businesses to consider the risks involved in implementing Voice over IP (VoIP). The new whitepaper entitled "Voice over IP - decipher and decide" warns that ...

The age of voice-over-Internet-protocol (VoIP) is here, bringing together telephony and data communications to provide packetized voice and fax data streamed over low-cost Internet links. The ...

Happiness is expectations minus reality. So, what should one expect when testing VoIP on a software-define WAN solution? The expectation in the branch is to get even better performance and security ...