NTT Corporation (NTT) and Chunghwa Telecom Co., Ltd. (Chunghwa Telecom) signed a basic agreement for the realization of international network connectivity through IOWN. In the future, with IOWN's innovative communication technology centered on the All-Photonics Network, aim to realize international network connectivity between Japan and Taiwan and to collaborate in IOWN related businesses and security. NTT has proposed the IOWN concept, which is a network and information processing infrastructure that can provide high-speed, high-capacity communications, and enormous computing resources by utilizing innovative technologies centered on photonics (optics).

NTT has established the Innovative Optical and Wireless Network (IOWN) Global Forum to promote the realization of new communication infrastructure. Chunghwa Telecom is one of the Top 5 listed companies by market capitalization, and No.1 telecom service provider in Taiwan. Chunghwa Telecom provides cutting-edge ICT services to global companies through collaboration with major telecommunications companies in various countries.

In addition, Chunghwa Telecom supports the IOWN concept and participated early in the IOWN Global Forum, leading the discussion of use cases and technologies. NTT and Chunghwa Telecom will promote IOWN technology and realize business and security on a global level based on the communication technology and experience they have accumulated. Based on NTT and Chunghwa telecom's strengths in optical and wireless transmission technologies, as well as both companies' achievements in implementing these technologies in society, aim to realize international network connectivity by utilizing All-Photonics Network technology between Japan and Taiwan.

In addition, the company aim to establish interfaces and international connection rules for communication transparency in international network connections.