Call-offs on the framework agreement At the time of this announcement, it is uncertain what the estimated value will be for the procurement. Meanwhile, it is likely that there will be a need for at least 10 observation rooms per hospital trust [HF] within the Eastern Norway Regional Health Authority [Helse Sør-Øst] on average when the service is established. However, it is estimated that the maximum call-offs on the framework agreement will be 20 observation rooms per hospital trust [HF] within the Eastern Norway Regional Health Authority [Helse Sør-Øst].