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Technology Stocks : The *NEW* Frank Coluccio Technology Forum -- Ignore unavailable to you. Want to Upgrade?

To: elmatador who wrote (35920)	9/27/2010 3:18:50 PM
From: fred g	Read Replies (1) \| Respond to of 46821

PSTN isn't a technology. It's a business model. PSTN technology has been evolving since it was invented in the 1870s. It remained the PSTN after adding insulated wire, loading coils, dials, direct distance dialing, FDM analog muxes, TDM digital muxes, digital switches, packet switches, SS7, digital subscriber lines, and whatever else. The phone world is not as technologically hide-bound as, say, the IETF and its followers! The PSTN business model, on the other hand, is trying to get back to the halcyon days of the 1950s when the monopoly was very very tight. The rest of the world has evolved a competitive PSTN, though, and the US had one for a few shining years. PSTN as a business model means there is a common name space (E.164) for initiating calls whose users have mandatory, full connectivity at regulated wholesale prices. It has nothing to do with technology. Regulators are easy to confuse. They believe that anyone in a skirt is a girl, so they see Scotsmen as girls. They see packets and confuse it with the Internet, which is a business model too, a very different one. PSTN providers take advantage of this to try to mix-and-match regulatory features of each model. Vendors just pander to their customers.