It all starts when you make a call to your desired,after that your data is transmitted through telegraph poles to your local switching station,this determines where it should go and if it is local it will take it through telegraph poles to the house which you have dialed to, but if it is a national call it will take it to the main switching station and will be sent there using telegraph poles to the house you dialed to.For a international call the data that has arrived to the main switching station is sent using RF (radio-frequency) waves to a satellite and that satellite send the data to that specific countries main switching station and then sent to the dialed house number.
Copyright © 2026 eLLeNow.com All Rights Reserved.