Information transmission system and method thereof

An information transmission system is applied to communication equipment. the system contains a storage module for storing information corresponding table which is used for storing preset time and prompt information, a timekeeping module for counting waiting time from the communication equipment receives an incoming call to the incoming call hasn't been answered and is terminated, an analysis module for analyzing prompt information corresponding to the waiting time in the information corresponding table when the incoming call hasn't been answered and is terminated, and a prompt module for reminding a user of the prompt information corresponding to the waiting time. The invention also provides an information transmission method. By the system, when a user receives an incoming call, the user can transmit information without paying or writing a short message. The system is simple and convenient, and cost can be saved for users.