Actually, there is a single and very compelling reason to use Skype over SIP. NAT traversal. I dont know if its easier in first world countries, but here in good old South Africa, just about every PC is NAT-ted and moreover, if you use DSL internet, your IP's change every day. Skype provides a simple way of sidestepping this whole can of worms, one that i can even teach my PHB to use. And for my friends who are locked behind a finrewall controlled by some draconian IT geeks with over-developed superegos, Skype also provides a very neat solution, one that doesnt involve grovelling to get permission to use.
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Actually, there is a single and very compelling reason to use Skype over SIP. NAT traversal. I dont know if its easier in first world countries, but here in good old South Africa, just about every PC is NAT-ted and moreover, if you use DSL internet, your IP's change every day. Skype provides a simple way of sidestepping this whole can of worms, one that i can even teach my PHB to use. And for my friends who are locked behind a finrewall controlled by some draconian IT geeks with over-developed superegos, Skype also provides a very neat solution, one that doesnt involve grovelling to get permission to use.