60 Results for



AT&T CallVantage

Though its plans cost a bit more than those of competing VoIP services, AT&T CallVantage stands out for its consistently strong call quality and long list of features.

By June 28, 2004

4 stars Editors' rating June 28, 2004

AT&T cuts cord on VoIP service

AT&T is shutting of its voice over IP service called CallVantage.

By April 22, 2009


The pillars of Defensive Computing

A cheat sheet for defensive computing.

By April 20, 2008


VoIP number portability problems

VoIP number portability problems

By September 30, 2005


Vonage tops study of Net phone service

Study ranks clarity and reliability of six VoIP providers, but finds Net telephony still lags behind plain old phone service.

July 12, 2005


FCC requires VoIP to clean up its 911 act

Net phone operators face a late September deadline to fix their 911 systems, the FCC rules.

By May 19, 2005


EarthLink's 2 percent solution

Internet service provider touts plans for new telephony services and hybrid cell phones as it digs in for a long phone fight.

By April 29, 2005


Biggest Bell to hand 911 access to VoIP operators

In another sign of detente, Verizon plans to open its 911 emergency calling infrastructure to providers of Net-based phoning.

By April 26, 2005


Verizon offers lower-cost Net phone service

For $19.95 per month, the plan offers 500 minutes of outbound local and domestic long-distance calls.

By April 6, 2005


Vonage may route 911 call to Congress, FCC

The Net phone provider considers asking for help solving problems with SBC over subscriber access to the emergency network.

By March 30, 2005