How to Cancel the Echo on a Cell Phone

That echo that keeps driving you crazy during important calls is something engineers have been trying to solve since the 1950s. As cell phone technology advances, the signals being sent and received become much more varied and interact with each other in different ways. The basic cause of echo during a cell phone conversation is from "sidetone," a process that allows you to hear your own voice in your cell phone's speaker as you talk. The sidetone can be delayed for various reasons, even though phone companies have already integrated very complex "echo cancellation" systems into the public telephone network. Each individual cell phone is designed with echo cancellation as well, but sometimes this device can malfunction.

Remove yourself from your immediate environment. If you are in a computer lab, office or a room that may contain varying types of electronic signals, step outside and see if your signal improves and the echo stops.

Plug your phone to power with your cell phone charger. Lack of battery power may diminish your phone's ability to run all programs with sufficient power and could be a cause of the delay in your cell phone's sidetone technology.

Ask the person on the receiving end if you can call him back. Hang up your phone, wait a little while, maybe even turn your phone off and then back on, and call him again. This will require a new connection to be made and will probably clear up the echo because it is simply a fluke in the current cell phone technology.

Check the settings of your phone's echo cancellation. If it is off, turn it on. If it is on, turn it off. If you are hearing an echo and the cancellation is off, turning it on should solve the issue. If the echo cancellation is on and you are hearing an echo, turning it off might solve the problem because it is probably the echo cancellation malfunctioning. This setting is only adjustable on some cell phones, usually Blackberry phones and other smartphones.

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