Re: I am getting a lot of clicks but no phone calls.
Welcome to adwords community,
how your ads performed when triggered by actual searches within the Search Network. Identify new search terms with high potential that you want to add as keywords and weed out any terms that aren't as relevant to your business, which can help you avoid spending money showing your ad to people who aren't interested in it.
Download your search term report, and Use Negative Keywords.
whats your ads average position.