A device for realizing the short message calling transfer service, its characteristic is that it includes the short message calling transfer communication equipment that is SMFW equipment which is respectively connected to the telecom operator mobile communication network and the telecom operator inner data network. The SMFW equipment is connected with the mobile phone terminal users through the mobile operator mobile communication network, and connected with the short message center through the mobile operator inner data network, to receive and process the router messages, receive and process the short messages, and send the short messages through the SMPP interface to realize the short message calling transfer. The mentioned SMFW equipment also is connected to the internet computer, making the SMFW equipment can change the short message into mail through the STMP protocol to send it to the object Email address. This invention also provide the correlative methods. Using the device and method can realize the short message calling transfer service on the telecom operator mobile communication network, and calling transfer beforehand of the short message service in the mobile communication network.