Nippon Telegraph and Telephone Corp. and Toyota Motor Corp. are teaming up to work on connected car technology, with an agreement to collaborate on research and development, the two companies said March 27.

They will work together on data collection and analysis, IoT networks and data centers, next-generation connectivity and developing AI-based technologies.

Joining NTT's research are its subsidiaries NTT DATA Corp., NTT Communications Corp. and NTT DoCoMo Inc.

A field trial is slated for 2018.