Check the listing for details. Sound Technologies Telephone Two Way Recorder TR-200 NIB. Condition: New – Open box. Listed at 59.99 USD. This Sound Technologies TR-200 conference telephone is a reliable and high-quality device that will make your business communications clear and efficient. With its advanced features, such as intercom, caller ID, call waiting, and a digital answering system, this telephone is perfect for any office or business setting. The device is easy to install and use, and its compact design will fit seamlessly into any workspace. The brand, Sound Technologies, is known for its exceptional quality and this model, TR-200, is no exception. It is ideal for businesses looking for a dependable and feature-rich telephone system. Whether you have a small office or a large business, this conference telephone will provide you with the communication tools you need to succeed.