The Nippon Telegraph and Telephone Corp. group said Monday it will take firmer measures against the coronavirus pandemic by letting 70 percent or more of its employees work from home, up from the previous target of 50 percent or more.

The decision by the Japanese telecom giant, which has a domestic workforce of around 200,000 at the parent and group firms including mobile carrier NTT Docomo Inc., will mostly affect workers in the divisions of general affairs and planning, it said.

NTT logo, at NTTpavilion, during theMobile World Congress day 3, on Feb. 28, 2018 in Barcelona, Spain. (NurPhoto/Getty/Kyodo)

Its rival KDDI Corp., the operator of the "au" mobile phone service, will implement a similar measure starting Tuesday.

The moves come in response to the call by the government for Japanese firms to ensure at least 70 percent of employees work at home.

In Japan, a state of emergency was fully lifted by late May but the recent upticks in infections in Tokyo and other large cities have fueled public fears about a possible second wave of the virus.

NTT said it will combine teleworking and employees' summer holidays to ensure that fewer people will be present at offices for the time being, and that it will limit gatherings by its employees, including dinners with their clients.