# Twilio SMS

### Prerequisites

Assigning this channel to an application requires a one-time integration of Twilio in your NLX workspace.

<a href="../../../integrations/types/channels/twilio-sms" class="button primary">Integrate Twilio</a>

### Add channel to app

* Select *Configuration* tab of your application&#x20;
* Choose *+ Add channel* under *Delivery* section > Choose Twilio SMS
* Choose your Twilio workspace integration from the *Integration* dropdown
* *Phone number* is unique to the *Twilio SMS* channel. NLX auto-creates a Twilio phone number and assigns it to your application (currently, only US numbers are supported)&#x20;
* Click *Create channel*
* Click *Save*


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