Scan the QR code to read the full press release about our recent acquisition. 877-884-5200 Reliability and Consistency Nearly seamless substitution of existing voice lines for alarm, elevator, fax, point of sale, voice circuits and more. Savings and Simplicity Geographic Perfection We offer customers a technologically robust POTS replacement solution with Granite EPIK Edge. An efficient design and installation process throughout the United States for multilocation deployments. Guaranteed monthly income for our agent partners and savings for your clients and customers.