SIP – the open standard, and Skype – closed. But Skype adapts for real conditions better, SIP it is focused on conditions relatives to ideal.
SIP Telephony: Another Way to Save Money
Just when you thought using your PC couldn’t possibly get any more complicated, along comes SIP (Session Initiation Protocol) with VoIP (Voice-Over Internet Protocol) technology.
VoIP is well on its way to becoming the “next big thing” as it allows you to make telephone calls using the Internet for a fraction of the cost of regular phone usage. Don’t think that’s making the major telephone companies nervous? Read on… because you haven’t seen anything yet…