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Sprint Asks Obama to Set Up $2 Billion First-Responder Network

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Top message:  The Reason for Nextel vs others by rockstar323   Jan 16, 2009, 6:22 PM

Replying to:  Re: The Reason for Nextel vs others by MidnightDT   Jan 16, 2009, 7:58 PM

Re: The Reason for Nextel vs others

by Jobeleca    Jan 16, 2009, 11:33 PM

When I was hired at Cingular back in 2006 part of the training was a diagram of how the network works. You are correct that only calls to/from a landline or another carrier go through the traditional phone network. You are incorrect that M2M calls do not travel through wires, they traveled by separate T1 lines, though the type of lines may have since changed it is still a landline, just not the traditional phone network landlines.

Anything that is likely to knock out a traditional phone landline is also likely to knock out the other type of line. You would not even be able to communicate to the person next to you if that line system went down because the signal goes to the local tower, which goes to a regional center (via a line) which knows where your friend standing next to you is, which goes back to the originating cell tower, then connects to you. Thus if the line is out, the entire thing is out.

All the major carriers now have deployable towers on trucks that communicate with satellites now, which alleviates the problem. Nextel technology is indeed best for local communications in emergency situations due to the unique ability of their handsets to directly communicate within a mile or two of each other. And this is one of only TWO concessions I ever make about Nextel as an AT&T CSR (the other is that their PTT connection time is a small fraction of ours or Verizon's).

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