[geeks] [janglo] INFO4U: DSL/VOIP Lines - Call Quality Issues

[Geoffrey S. Mendelson]

The following was sent to me by a local VoIP expert.

I thought that they used their own protocol. Anyone care to comment.


> Skype is using SIP but they have their own way of working it. I doubt they
> are using 5060. (Which is why ISP's don't block them). They can also be
> using alternate ports and switch them ever so often. They also are working
> in P2P mode. From what I have found they do not pass the RTP directly to
> their servers but bounce it between other Skype users. If you want you can
> try to get a hub and use wire shark to sniff out the packets.

I'd love to get a hub I can run wireshark on. :-) (sorry, just being a
"wise guy").

Geoff.


-- 
Geoffrey S. Mendelson, Jerusalem, Israel gsm at mendelson.com  N3OWJ/4X1GM