Who is responsible for elevator signal coverage?

The cost of elevator signal coverage is paid by the property company. Because the elevator signal is to protect the people in the elevator, in case of an elevator accident, you can contact the outside for help in time. Therefore, in order to keep the telecom signal in the elevator, the property management company needs to bear the cost and be responsible for the stable use of the telecom signal. However, this fee belongs to costing account of the property management company and will be allocated to the property management fee after accounting.