Tracked by Evreward since 2005, Verizon Voicewing VOIP offers coupons, cash back rebates and rewards. Verizon Voicewing VOIP discount coupons are infrequent, only available a couple times per year. Even when Verizon Voicewing VOIP doesn't have a coupon, you can always get up to $150 cash back, and other great rewards, with every purchase.