The ministry said Thursday the English-language hotline between Helsinki and Moscow was opened November 1, and will operate 24 hours a day.
Emergency communications between the countries, which share a 1,340-kilometre land border, has taken place until now via embassies and other intermediaries.
The ministry said the decision to create a hotline was an initiative of Finland during a meeting of defence officials from both countries in Moscow in May.
Disclaimer: No Business Standard Journalist was involved in creation of this content