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]] | |||
The different systems used by telephone operators to connect calls from one user to another | |||
[[Category:Telephony|{{PAGENAME}}]] | |||
Latest revision as of 21:29, 14 January 2013
The different systems used by telephone operators to connect calls from one user to another
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
