september.org> 73DA4AB0   
   On Tuesday, July 1, 2014 5:39:31 PM UTC-4, bob wrote:   
      
   > Dual sim phones are quite commonplace ...   
      
   I think whoever originally posted the comment about Nokia was confusing cell   
   phones with landline phones in a business environment.   
      
   We were talking about landline phones in a business, both historical and   
   contemporary.  We were discussing the pros and cons between key telephone and   
   PBX service.   
      
   As an aside, the Pennsylvania Railroad had a very sophisticated telephone   
   network, including its own toll lines and test equipment.  Special rules   
   applied to railroads and pipelines about customer ownership and maintenance   
   due to their special    
   environment.   
      
   In contrast, some railroads continued with hand-crank magneto (local battery)   
   phones well into the 1980s.  The Reading Co. was big on them.  They had   
   certain advantages in cost for wayside telephones, especially at a distance.    
   I don't know if any rail    
   lines in the US still use them.  A company ad says they are big in India and   
   modern sets are made for that.   
      
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