# Batch calls

One of the powerful feature of our tool that allows you to make multiple automated phone calls in a single operation typically by selecting an assistant for it and uploading a list of phone numbers in csv form with their data.

1. Click on "Batch Calls" tab from your dashboard
2. Select a phone number from your purchased or BYOT numbers. If you don't select one, a random number will be used
3. Select an assistant to handle the batch calls
4. Upload list of phone numbers (CSV file)
5. Click on "Start Batch Call"

<div><figure><img src="/files/kr2MCR4OmgmQWnuOrqgv" alt=""><figcaption></figcaption></figure> <figure><img src="/files/cWRGqACFHOFacRVNMnjY" alt=""><figcaption><p>Select phone number</p></figcaption></figure></div>

> In CSV file , the first row should be the headers of the table, and your headers should not include any special characters other than hyphens (-) or underscores (\_). The column containing phone numbers must have a header labeled as "phone\_number"

<div><figure><img src="/files/O1BVMySkc5yygRM2P46v" alt=""><figcaption><p>Select assistant</p></figcaption></figure> <figure><img src="/files/tydPyyPCkY3xZkwgxOuT" alt=""><figcaption><p>Upload CSV file</p></figcaption></figure></div>


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