False. a placeholder can hold everything
The answer is avoid distractions. <span>Using caller id is part of step to avoid distractions in an effective time management plan. </span><span>Today with caller ID available you can identify your callers. When you are focused on your task at hand and the time you have to accomplish it, you must learn to better control the telephone. </span>
So this is called a modem we use it to send and receive info over telephone lines
Hope this helps
-scav
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(Sorry for not being detailed)