Technologies Archives - International Call Forwarding and Conferencing for Business & Personal Use https://aitelephone.com/blog/category/technologies/ Contact - 1 800 600 6151 US/Canada - +1 323 880 4976 Intl Thu, 24 May 2018 17:55:51 +0000 en-US hourly 1 https://aitelephone.com/blog/wp-content/uploads/2011/11/cropped-ait-iphone-logo-32x32.jpg Technologies Archives - International Call Forwarding and Conferencing for Business & Personal Use https://aitelephone.com/blog/category/technologies/ 32 32 Secret World of Telecommunications Technologies https://aitelephone.com/blog/secret-world-telecommunications-technologies/ Thu, 24 May 2018 17:55:51 +0000 https://www.aitelephone.com/blog/?p=4059 Here's a look at some of the early devices used to secretly communicate.

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