"The phone can only be used inside the room; if you run outside and try to call, it won't work. And remember, a number can be dialed only once, and at most, let it ring 5 times before you must immediately hang up!"
"what happens if you don't hang up in time?" Yang Xiao asked curiously.
"Then the ghost will answer the call and will dial back."
The scenario played out in Yang Xiao's mind just once, making him extremely uncomfortable. He was certain that if the ghost dialed back, it wouldn't be that simple. Even if he turned off his phone, the ghost would instantly lock onto his location.
Soon, Yang Xiao approached the telephone from another direction. As instructed, he found a notebook laying on the table with many strange rules written in childlike scribble, similar to some kind of office regulations. Yang Xiao skimmed through it briefly to confirm the person's words were true, and the landline number matched what the person had provided.
