Public Switched Telephone Network: Revision history

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1 December 2010

30 August 2009

31 May 2009

25 January 2009

7 November 2008

  • curprev 20:0620:06, 7 November 2008imported>Howard C. Berkowitz 1,731 bytes +1,731 New page: The '''Public Switched Telecommunications Network (PSTN)''' is, as its most essential function, the service that can establish connections among the world's telephones that permit generall...