(Telecompaper) T-Mobile US is taking its 'Un-carrier' strategy to the business market. At an event in New York the company announced a new offer of unlimited calls and texts and 1 GB 4G data per month for USD 15 per line for businesses. Over 1,000 lines, the price drops to USD 10 per line. Customers can add more data per line or buy a bundle to share among multiple employees. Another 2GB costs USD 10 per month, and unlimited 4G data costs USD 30 per line. Through a partnership with GoDaddy, T-Mobile's also offering a free .com domain and website, optimized for mobile viewing to business customers on the new plan with at least one line with additional paid data. Customers can also add free .com email addresses powered by Microsoft Office 365, with one business email for every T-Mobile business line with additional paid data. Business customers will also be able to extend their accounts to their families. The business line counts as a the first line on a family plan, resulting in up to 50 percent savings on additional lines under T-Mobile's Simple Choice family plan.