Subject: [SIP] How do these programs work?

From: "Nils Appeldoorn (EMN)" <[email-masked]>
Date: Tue, 27 Jun 2000 15:24:33 +0200

Hello everybody, 

I hope this is an approperiate mailinglist, please correct me if it's not. Thanks anyway.

I'm doing some research on the current use of VoIP (voice and multimedia). I want to get the state of the art on VoIP applications that are available on the net. 

Now, I know there are a few applications available. I've seen Net2Phone, DialPad. But the problem is, I want to know what functionality these programs offer, where are they used for? And how do they work? Are they SIP or H.323 based? 

I can't look into the programs, maybe some of you know the answer? 

Can someone explain to me how these programs work? What's the principle behind these services? 

Thanks, 

Nils 

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