An emergency shall be deemed to exist when one or more of the following shall have occurred:
- Total system failure.
- A major system alarm.
- Failure of the attendant console or main answering position telephone.
- Failure of an entire trunk group.
- 25% or more of the telephones in the system are inoperable.
- Failure of the telephone of a key individual in the organization, i.e. the President etc.
- Software is warranted to conform to operational specifications, which allow the equipment to perform as specified.