MCLEAN, Va.–(BUSINESS WIRE)–GTT Communications, Inc. (NYSE: GTT), the leading global cloud networking provider to multinational clients, announced today that TMC, a global, integrated media company, has recognized GTT’s SIP Trunking service with a 2016 Communications Solutions Product of the Year Award. GTT’s SIP Trunking enhances enterprise collaboration by integrating diverse communication capabilities, such as voice, video and chat over a single IP connection. The service is interoperable