http://www.textmagic.com/app/pages/en/products/2-way-sms-service Two-Way Text Messaging - SMS Reply Service. Two-way text messaging from your computer saves time, money and minutes on your mobile phone. 2-way SMS is great for businesses. Rather than just talking at your customers, you can use two-way SMS to talk to them. In addition, our two-way text messaging service lets you connect with partners and field-based employees easily. Distributed by Tubemogul.