Ericsson, which in the past has often had the largest booths and exhibits at the conference, said that after an extensive internal risk assessment, it had decided to withdraw from the event to ensure the health and safety of its employees and customers in light of the coronavirus outbreak, which has spread to more than 25 countries.

"Ericsson appreciates that GSMA have done everything they can to control the risk," the firm said in a statement.

"However, as one of the largest exhibitors, Ericsson has thousands of visitors in its hall each day and even if the risk is low, the company cannot guarantee the health and safety of its employees and visitors."

South Korea's LG Electronics has also pulled out of the event, while China's ZTE has cancelled a press conference set to occur during the event.