There is the cost of the other service, the districts/school have to have contracts with both. The teachers and students have to be trained on both. If webex

There is the cost of the other service, the districts/school have to have contracts with both. The teachers and students have to be trained on both. If webex does not work for the day our school is out. In our district although the teachers can work remote( most do) when the school site loses power or has fire evacuation orders instruction stops for all it's students.