When we want to place a telephone call, the switching equipment of the telephone searches a physical path all the way from our telephone to the receiver’s telephone. This technique is known as __________.

Keep practicing — related questions

• The ___.converts digital signals to analog signals for the purpose of transmitting data over telephone lines.
• The ______ converts digital signals to analog signals for the purpose of transmitting data over telephone l...
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• The traditional phone network is
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