IPad mini 5

No. No iPad has a cellular radio, so no iPad is capable of making or receiving calls on it's own, even a cellular iPad. Cellular on iPad is for data only, when you can't access Wifi.

See this link about using Continuity Services for phone call forwarding --> Use Continuity to connect your Mac, iPhone, iPad, iPod touch, and Apple Watch - Apple Support

An iPad is not a Cellular phone. An iPad, whether a Cellular model or not, is not capable of accessing Cellular Voice or Messaging features. Any iPad, with Cellular connectivity alone, can only access IP-data services.

If paired with an iPhone, the capabilities of iPad significantly broaden to include Cellular Voice and Messaging services of the iPhone - relayed to the iPad over WiFi using Apple’s continuity features.

Continuity

https://support.apple.com/en-gb/HT204681

SMS/MMS Messaging

https://support.apple.com/en-us/HT208386

WiFi Calling

https://support.apple.com/en-gb/HT203032