Dec 19 (Reuters) - Dorsavi Ltd DVL.AX
* Signed a 12-month contract which will see dorsavi deliver a range of visafe services in three phases
* Asx alert-heathrow airport undertaking 12-month project with dorsavi-dvl.ax
* Project is valued at more than $100k and in addition annuity revenue will be delivered via myvisafe Source text for Eikon: ID:nASX8zZBpV Further company coverage: DVL.AX