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I did NOT say googletalk was a SIP service. I said that it was the darling of SIP "dreamers", such as you..... due to its stated purpose concerning interoperability. Most analysts I've read conclude that g-talk (voice) will never achieve market credibility, or rather that this is what Google itself thinks.
Google does not think this, but knows this. Remember, what is Google's singular focus? Revenue through advertising which means attracting as many eyeballs as possible. Products like, Gmail, Blogger, Calendar, Desktop, Froogle, and yes, Gtalk, are all means to an end. Google has decided it suits its interests to partner as well as continue its own developments, but Google knows that they themselves do not intend to invest in their own developments to become a flagship. Self-fulfilling destiny.
To say that Google has thrown in the towel though, is simply wrong, they have not, and the press release states this. In fact, I contend that Google will manage to get Skype to finally open up, which makes the most sense for both parties and the user community at large.
To make the statement that this agreement is a statement on SIP is farcical.
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Nobody thinks that businesses will post multiple click-to-call buttons. They'll make a choice, and that will be the service that has the best service and a thousand times more customers.... Skype.. Also, your suggestion that SIP is here to stay because of SkypeIN/OUT is disingenuous to the extreme.
Where did I say 'because of'? This is simply one of many examples of how prevelant SIP is already, much more so than Skype. Nearly every time someone picks up a regular old phone and places an LD or IDD call they are using SIP, as this is how voice is carried within the interconnect carriers these days. Not even counting the enterprise users of SIP for intranet apps and PSTN connectivity. The point about SkypeIn/SkypeOut is that even a fair number of the Skype community are SIP users. Further, Skype has the ability to open these SIP gateways now, tear down that wall, and allow free and open access to their network. This is what the new agreement means, and it will happen in some form.
Now, lets be clear, are you asserting that the world is going to gravitate to a closed and proprietary protocol for all communications because eBay/Skype/Google sign a co-marketing deal? Not only is this against the core statements that Google makes about their policies on information and interconnection, but it does not make sense. Google is open and will remain so, Skype will have to be as well if they hope to capture the click-to-call market on any kind of scale. They will do so soon.
According to Google they are already working on interconnection schemes, and Google will not close their already publically available protocol in the process. So by default Skype will be open via Google Talk if not via their already existing SIP gateways.
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As for the advertising deal, my understanding is that the domestic eBay/Yahoo thing is non-exclusive whereas the international eBay/Google thing is exclusive. Big difference. It could mean that Google will get the domestic too. The war is not over yet.... Yahoo (or Microsoft) could fight back. As for my prediction concerning "google checkout", it's already happening. Checkout is not getting market traction and has already lost some of its initial sponsors. I think they will conclude, as they have with g-talk, that they are better off joint-venturing than trying to create a competing service.
Do you really believe that eBay will go exclusive for the US market? The only way that will happen is when Google buys them.