best free wifi call clients for cell phone between US and China longterminvestor2012-04-20 08:40:52

I would like to hear people's experience here on best call client on cell phones:

1, skype

2, fring

3, mobilevoip

4, qq

5, sipgate

6. google voice, there is only free texting, for voice we need to deal with voice call back.

7. Other choice

Thanks!

 

 

what about msn and yahoo?

只用过skype，通话质量还好，不过不免费啊。

thanks for the input, skype calls skype should be free,

voipdiscount 音质较好，Rynga and Nonoh.net 也都很好