Current Windows 10 Mobile internal build allows you use Cortana as default SMS app
From what we know, Current windows 10 mobile internal builds at Microsoft allows you to use cortana to manage you messages as your default sms manager. Cortana can already read and write messages, but twith the current update cortana can manage message notifications as well.
As of now we do not have much info on how the app works or how the integration of messages with cortana will improve the experience.But with all the recent rumors about the next build for mobile insiders, one can expect the next insider build to include the cortana and message integration. Stay tuned for wph to get the latest on windows mobiles.