Please check “Teams/Skype Consumer chat and calling interop” on the public roadmap at microsoft.com/microsoft-365/roadmap?filters.. for updates.
An error occurred while saving the commentSteen Kirkby commented
It looks like the integration with consumer Skype is coming very soon.
From the Office 365 roadmap under "in development" features:
Microsoft Teams - Calling Support between Teams and Skype Consumer
This is one of the SfB calling capabilities coming to Teams. Support for 1:1 Skype Consumer Calls. This feature is targeted for availability by Q2 CY 2018.
Estimated Release: June CY2018
Feature ID: 24209
Added to Roadmap: 10/24/2017
Last modified : 05/01/2018