Does this raise any memories:

HAL 9000: Dr Floyd?
Dr. Heywood Floyd: What is it HAL?
HAL 9000: There is a message for you.
Dr. Heywood Floyd: Whos calling?
HAL 9000: There's no identification.
Dr. Heywood Floyd: What's the message?
HAL 9000: Message as follows: "It is dangerous to remain here. You must leave within two days."
Dr. Heywood Floyd: What?