Thanks a lot for your answer. You are really

来源: 于 2006-10-13 12:18:52 [旧帖] [给我悄悄话] 本文已被阅读：次

an expert in this area.

One more question to ask you:

If I use IM software such as Skype and gtalk, Can I talk to people in China use MSN or GG ? I guess there may have some protocol interoperability issue. Is it true ?