Difference between revisions of "Category:Telephone switching systems"

 
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IEEE GHN Category
 
 
[[Image:Telephone Switching Systems B Board Machine Originated Calls.jpg|thumb|right| A "B" Board telephone switching machine for terminating  calls to the manual office and redirect to the automatic line]]
 
[[Image:Telephone Switching Systems B Board Machine Originated Calls.jpg|thumb|right| A "B" Board telephone switching machine for terminating  calls to the manual office and redirect to the automatic line]]
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The different systems used by telephone operators to connect calls from one user to another
  
 
[[Category:Telephony|{{PAGENAME}}]]
 
[[Category:Telephony|{{PAGENAME}}]]

Latest revision as of 21:29, 14 January 2013

A "B" Board telephone switching machine for terminating calls to the manual office and redirect to the automatic line

The different systems used by telephone operators to connect calls from one user to another