The invention discloses an incoming call transfer method, a mobile terminal, an incoming call transfer system and a storage medium. The method comprises the steps of when the mobile terminal receivesan incoming call or answers the incoming call, acquiring information of Beacons within a preset range and uploading the information to a server; the server successively arranges the Beacons accordingto a descending order of the strength of the transmitting power of the Beacons, acquires the Beacon of a first matched fixed phone number, and sends the fixed phone number to the mobile terminal; andthe mobile terminal sends an SIP transfer message carrying the fixed phone number to a calling terminal, the mobile terminal is controlled to disconnect the call with the calling terminal, and meanwhile, a call connection between a fixed phone and the calling terminal is built. According to the method, mobile terminal, system and storage medium provided by the invention, via the incoming call transfer mode, after the user receives the incoming call, the incoming call can be quickly transferred to the fixed phone according to own needs, so that the user is facilitated to answer the incoming call.