NTT Group, also known as Nippon Telegraph and Telephone Corporation, is a global technology and communications company headquartered in Japan. It provides a range of services including fixed and mobile voice-related services, IP/packet communications services, and system integration. NTT Group is recognized for its innovation and advancement in information and communication technology (ICT), offering solutions across data centers, cloud services, and network infrastructure. Through its subsidiaries, the group also engages in R&D to drive technological advancements and sustainability initiatives.