Line2 - Line2 adds a second phone number or complete cloud business phone system to smartphones & computers that's robust yet affordable. Buy online or get a custom quote.
Telbee.io - telbee adds voice messaging to podcasts, websites, social media and email to easily hear from and build human relationships with your customers and community - save time, reduce frustration, and gain sales, understanding and fans
Phone.com - VOIP Business Phone Service + Virtual PBX
Vocaroo - Vocaroo is a quick and easy way to share voice messages over the interwebs.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
UserIQ - UserIQ combines user intelligence, customer health, and targeted engagements to help you deliver what each customer needs to be successful.