Fraudulent calls and call blocking

What can I do if some calls are being mistakenly blocked because of the universal call blocking policy?

What is universal call blocking?

What can I do if someone is using my phone number to make fraudulent calls (spoofing)?

Is it possible to block all outgoing calls to 1-900 and 1-976 numbers?

Can I block a specific caller even if I don’t know their phone number? (*97)

How do I block anonymous calls? (*77)

How do I block calls from certain numbers? (*60)

How do I report unwanted and invasive calls to the authorities? (*57)