Patent ID: 8655332

Claim:
A method for realizing a one-number multiple-terminal service, comprising: A: calling a called terminal in a first network by a calling terminal, and when the called terminal is a one-number multiple-terminal service subscriber and the called number is a main number, sending a call service triggering request to an intelligent service platform by the first network; B: obtaining from the first network a Temporary Local Directory Number (TLDN) of the called terminal corresponding to the main number, storing the TLDN and sending a service control indication to the first network by the intelligent service platform; C: sending a call service triggering request to a Next Generation Network (NGN) by the first network to route the call to the NGN according to the service control indication sent by the intelligent service platform; and D: triggering the call service to the intelligent service platform by the NGN according to the call service triggering request sent from the first network, and returning by the intelligent service platform a service control indication, including the TLDN of the called terminal corresponding to the main number and all other terminal numbers bound to the main number, to the NGN to connect the called terminals.