1. How Do telephone’s workFind out right now! 2. TelephonesBefore there were any telephones invented, people used to send long letters which was very tiring. Now people…
1. How Do telephone’s workFind out right now! 2. TelephonesBefore there were any telephones invented, people used to send long letters which was very tiring. Now people…
Slide 1 Copyright 2012 Kenneth M. Chipps Ph.D. www.chipps.com NETW-250 PSTN The Past and The Future Last Update 2012.08.01 1.0.0 1 Slide 2 Telephony Telephony is the communication…
THE TELEPHONE NETWORK The modern telephone network was developed to provide basic telephone service, which involves the two-way, real-time transmission of voice signals.…
THE TELEPHONE NETWORK The modern telephone network was developed to provide basic telephone service, which involves the two-way, real-time transmission of voice signals.…