The Polycom SoundStation IP 6000 is a Full Duplex IP phone system that includes optional pieces. It is a top-of-the-line model known for its high-quality audio and advanced features. The open box indicates that it may have been previously used or opened, but the optional pieces included offer flexibility for customizing the system to meet specific business needs. Although untested, this product from Polycom is known for its reliability and performance in the telecom industry. The item will be shipped in original box with extra protection.