Why do we experience poor VoIP quality?

Voice over internet protocol (VoIP) relates to phone service over the internet. This facility is its greatest asset but is also frequently the cause of frustration and poor quality of service. However, the problem is the network over which many companies run their VoIP communication services. Ideally there would be a totally separate dedicated network […]

The woes of powerline communications

Once heralded as the answer to broadband communication, the introduction of communication over powerlines had a rocky start. There was fierce opposition from radio spectrum users as it was seen as a generator of excessive interference, particularly on frequencies between 1 and 30 MHz and, in some instances, stretching into the VHF region of the RF spectrum. […]