AT&T and Verizon offer attractive dividend yields, but their financial health and growth prospects differ, presenting investors with a choice between AT&T's lower payout ratio and Verizon's stronger revenue growth.AT&T (T 5.22%) and Verizon Communications (VZ 2.01%) are two telecom giants favored by many income investors for their exceptionally high yields. These companies have been transforming their businesses, focusing on 5G wireless technology and fiber broadband expansion.Which of these high-yield divi ...