Hi Kari,
Thank you for reaching out to us and taking an interest in whether the Galaxy Tab S6 Lite can make calls. To answer your question, yes, the device allows making and answering calls.
Please visit the user manual on Pages 38, 85 - 88 for more information:
https://downloadcenter.samsung.com/content/UM/202006/20200620063528230/WIF_SM-P610_Galaxy_Tab_S6_Lite_EN_UM_061020_FINAL_AC.pdf
Should you need more assistance, you may reach us via the following for immediate support:
1. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
2. Facebook Messenger: http://m.me/samsungsupport
3. Twitter: https://twitter.com/messages/compose?recepient_ id=18768513
Reference Number: 1144278078
Thank you for choosing Samsung. Have a great day!
^Chrystel