Are you VoIP ready ?

Check to see if your network or broadband is ready for VoIP.

These online tests will give you a good guage as your system's readiness for VoIP. Some of them actually simulate a VoIP call and rates its "quality":

Test 1 : http://myvoipspeed.visualware.com/
Test 2 : http://www.dslreports.com/voiptest
Test 3 : http://www.testmyvoip.com/

If you know of other useful test sites, leave a comment.