ISDN

Field Telecommunications / Internets
Went Obsolete Late 1990s
Made Obsolete By Cable Modems and DSL
Knowledge Assumed Calling your Telco and getting the service
When useful Much faster than Dialup, and only 10 times as expensive!

ISDN isn't really a skill but it certainly is dead. A half-assed precursor to DSL, It stood for Integrated Speech and Data Net (or Integrated Services Digital Network).

 
skills/isdn.txt · Last modified: 2009/01/13 11:33 (external edit)
 
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