VoIP Is Not Ready for Prime Time

We are beyond considering whether VoIP is here to stay when we can point to VoIP marketplace leaders (such as Avaya) that have a global market penetration base of more than a million companies and a Fortune 500 penetration of more than 90 percent. The problems that plagued VoIP in the 1990s have been overcome through technology or worked around with different technology.
VoIP is ready and working now.