You have 2 different problems. Not being able to make calls and not being able to update apps have nothing to do with each other.
1.
Im not able to call or receive calls
See -> If you can't make or receive calls on your iPhone
If you can't make or receive calls on your iPhone - Apple Support
2.
I attempted to down load last update but Apple keeps asking me to pay a subscription I did not do. So it does not let me do anything until I put a card info
See -> If you can't make purchases or update apps, including free apps, you need to update your payment method or add a new one.
See also -> Payment methods you can use with your Apple ID
Payment methods you can use with your Apple ID – Apple Support (UK)
You can also use your Apple ID balance as payment method: Add money to your Apple ID balance
Add money to your Apple Account balance – Apple Support (UK)
What you can buy with your Apple Gift Card or Apple ID balance
What you can buy with your Apple Gift Card or Apple Account balance – Apple Support (UK)
How to redeem your Apple Gift Card or App Store & iTunes gift card
How to redeem your Apple Gift Card or App Store & iTunes gift card – Apple Support (UK)
If you update your payment method or add funds to your Apple ID balance, It would take about 1 to 3 business days in order to process.
If you're still unable to update your payment method, Contact Apple Support.
Click here for more support and assistance.