Basic Talk for $10/mo from WM

Check your net connection for VoIP suitability. Speed is generally not the issue. VoIP generally requires about 1/5 or less the bandwidth of most streaming videos. The real issues are latency, its associated variations called jitter, and packet loss which will most likely effect your line connection quality more so than speed.

You can use an online service such as myspeed.visualware.com. Requires Java enabled in your browser.