1. A call request processing system, comprising: a monitoring module that receives a call request from a calling party and generates a corresponding call alert message; a call alert module that receives and processes the call alert message; and a keyboard; wherein the call alert module processes the call alert message to generate a corresponding alert information to inform a called party to respond to the call request from the calling party, the keyboard receives different key inputs to access and query corresponding operation instructions, and the called party replies and answers the call request from the calling party according to the operation instructions.