What’s New in Chalk 4.15.0 > Chalk Mobile App
  
Chalk Mobile App
Verify Your Network is Ready to Use Chalk
Not all frontline environments are ready for live audio and video collaboration, so now, you can use our in-app test to verify that you are ready to receive or give help from where you are.
Bug Fixes and Minor Improvements
This may include minor updates to the user interface and improvement to performance.