GMB Verification Method - Require explanation

I am looking for an expert who can provide me with an explanation on the GMB verification method using a phone. As an advanced user, I understand the basics but I need a detailed explanation on how to verify my business using this method. In addition, I need assistance with managing reviews on my GMB page. The ideal candidate should have experience in:

- Google My Business verification methods
- Managing GMB reviews
- Excellent communication skills to explain the process in detail.