Vontoo – Ideal for the work-from-home entrepreneur or small business. Vontoo is a Create-Send-Track personal voice messages, You can send permission-based voice messaging to any phone in the U.S. or Canada, specifically tailored to the recipient’s interests. The Memphis Grizzlies used Vontoo to sell tickets for an upcoming game. They made 6,000 calls and increased their Return on Investment by 4,000% (yes, that’s 4 thousand).