OSAKA — NTT West Corp. on Tuesday suspended connection services to a company in Fukuoka that allegedly made “wangiri” phone calls in such massive numbers that it threatened to paralyze NTT’s telephone networks, NTT West officials said.

The Nippon Telegraph and Telephone Corp. unit said it has cut off services of 10 lines contracted to the company.

In a time of both misinformation and too much information, quality journalism is more crucial than ever.
By subscribing, you can help us get the story right.