Category:Telephone switching systems: Difference between revisions
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[[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]] | ||
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
Pages in category "Telephone switching systems"
The following 28 pages are in this category, out of 28 total.
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Media in category "Telephone switching systems"
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- Telephone Switching Systems B Board Machine Originated Calls.jpg 612 × 489; 318 KB