Microsoft Teams will be the replacement for Skype for Business eventually, but the time frame for that is not clear. The Microsoft Teams team is working on achieving feature parity with Skype for Business but, as of writing of this book, they still have a ways to go. Just know that Microsoft Teams will fully replace Skype for Business one day, and be the way of future unified communications in Office 365.
Germany
Slovakia
Canada
Brazil
Singapore
Hungary
Philippines
Mexico
Thailand
Ukraine
Luxembourg
Estonia
Lithuania
Norway
Chile
United States
Great Britain
India
Spain
South Korea
Ecuador
Colombia
Taiwan
Switzerland
Indonesia
Cyprus
Denmark
Finland
Poland
Malta
Czechia
New Zealand
Austria
Turkey
France
Sweden
Italy
Egypt
Belgium
Portugal
Slovenia
Ireland
Romania
Greece
Argentina
Malaysia
South Africa
Netherlands
Bulgaria
Latvia
Australia
Japan
Russia