I have win 7
version skype 5.8.156
While I went here, https://support.skype.com/en-us/faq/FA10415/Can-I-
I was calling a friend from uk while i'm at usa, I could hear her fine. She could hear me somewhat... The video would stop working, I would barly see her as she isn't really able to see me. While using msn, everything is fine like video and voice.
That sounds about right for an audio only call. Video call will use much more bandwidth. This link is to Skype's own published requirements: