On 31 Dec 2006 at 22:07, Sue Rose wrote:

> Why this disparity--same phone line that i plugged into each tower

  There have been a couple of different 56K standards put forward, not all 
entirely compatible.  Within each standard, there have been chipsets 
available from multiple manufacturers -- and many (but not ALL!) modern 
internal modems implement key features in the driver software, rather than 
in the hardware.  And of course there various configuration options.

  We have no way of knowing that the hardware is in working condition, that 
the correct drivers are installed, that the device configurations are 
identical across these machines....

  My guess would be that the 28800 one is due to limited speed configured on 
the virtual COM port, and that the one that never connects may be damaged or 
have an incorrect or corrupted driver installed, but those are just guesses.

David Gillett

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