Metro Line Direct Metro Line Direct is one of the largest independent distributors of telecommunications technology and equipment in the United States. Founded in 1988, they’ve earned top ratings and features from Yahoo! Shopping, Bizrate, and more. Browse barcode scanners, Cisco phones, Avaya wireless solutions, Ethernet switches, and other products you might need for an office or home. Metro Line Direct stands by its One-Year warranty and 90 day advanced replacement, so you know that you’re getting quality equipment and service. Talk about a great deal on phones, right?