Panasonic BB-GT1500B Globarange Expandable Cordless Telephone with Point-to-Point Internet Calling BBGT1500B Next-generation hybrid (dual line) cordless telephone that combines a peer-to-peer Internet phone line with a traditional landline Make free domestic and international calls between Globarange phones around the world for three years with joip service Simple 1-2-3 set-up procedure has you up and running in 3 minutes, so you can start using it right away--all you need is a broadband connection System can be expanded to include up to eight handsets Note: This version of the Globarange phone (Model# BB-GT1500B/5.8GHz/120V 60Hz) is made for use in the United States