TOKYO--(BUSINESS WIRE)--NTT Communications Corporation (NTT Com), the ICT solutions and international communications business within the NTT Group (NYSE:NTT), announced today a significant addition to its global portfolio — a secure globally available mobile service for machine-to-machine (M2M) communication, which the company is rolling out in Hong Kong and Thailand on January 30 and then in other worldwide markets in a scheduled rollout over the upcoming months. The service, Arcstar Universal