|Re: Phone Call Routing|
8 Mar 2007 11:47:39 -0800
On Mar 7, 8:51 am, Sam Spade <s...@coldmail.com> wrote:|
> The switched public network has been around in its present form
Actually, the question is very reasonable. Since the 1980s the nature
1) Expense: The "trunk" (physical connection) between two central
But after the 1980s the costs dropped dramatically. The head and
2) Politics: The old model had the Bell System handling everything.
But further deregulation allowed local companies access, too. Bell
Non-Bell companies might lease lines and switching from Bell or own
3) Many people use their cell phone or cableTV phone as their line.
4) New services: We have new stuff like DSL and FIOS.
So, the question of routing methods today is quite reasonable and
> You would learn a lot more my doing a bit of research
Where would you suggest to research to get _current_ information
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