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 ...

Last month we presented a real CLEC's unpleasant experience cutting over their PSTN circuit customers to VoIP (see Measuring VoIP Voice Quality ). Their main problem? How to measure and fine-tune VoIP ...

Management applications measure packet loss, jitter and latency to zero in on problems plaguing converged networks. Do you trust a computer to tell you how your CEO’s new IP phone sounds? Network ...

Clear Choice Test shows VoIP call quality can improve with SSL VPN links. VoIP is often written off as an application that will not work well over an SSL VPN link. To test that argument, we examined ...

Voice quality over IP networks is never constantly acceptable. As the network and traffic change, so do the conditions that VoIP calls will encounter on the IP network. There will not only be good and ...

Has VoIP quality been getting worse? Yes. That's the conclusion arrived at by Brix Networks, and it has real implications for the current debate over network neutrality. The report made several ...

In the PSTN, voice is delivered as an analog signal, that is terminated at nearest digital loop carrier (DLC) or central office (CO). The DLC converts the analog into digital for long-distance ...

If you spend more than $60 a month on local and long-distance phone service, you may be able to save money by calling over the Internet. But while Voice over Internet Protocol (or VoIP) calling is ...

When it comes to measuring quality of service, experience is all that counts Judging by the gamut of responses to my recent blog post "The lie that is Voice over IP," the verdict on VoIP is still out.

As Internet phone service heads toward the mainstream, the industry still has quality issues it needs to address, say experts. Momentum is building for services that let consumers make phone calls ...