Making and answering calls in the <var class="keyword">
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Before you make or answer calls in the desktop, web, or mobile apps, make sure you've set your preferred [microphone and speakers for calls](https://support.ringcentral.com/article-v2/Setting-up-your-microphone-and-speakers-for-RingEX-calls.html?brand=RingCentral&product=RingEX&language=en_US "").

This article covers individual calls, but you can also [manage multiple calls](https://support.ringcentral.com/article-v2/handling-multiple-calls-same-time-desktop-web-app.html?brand=RingCentral&product=RingEX&language=en_US "") at the same time.

Where do you want to make and answer phone calls?