A GROUP DIRECTORY NUMBER PROVIDING METHOD IN NETWORK BASED ON 3GPP IMS

摘要

The present invention relates to a key number of the service providing method based on the 3GPP IMS network, REGISTER and INVITE trigger first phase information and the information and service information, including the name of the AS are stored in the subscriber profile information to the HSS; The second step is registered in the IMS-based network is the group directory number and the directory number assigned to each key number by using the subscriber profile information; A third step in which the transmission of the group directory number or directory number to the individual trying to call origination call origination request message to the S-CSCF and the AS; A fourth step the group directory number in the call termination request, which is the S-CSCF and the AS to the call termination request message is transmitted; And wherein a separate directory number call termination request is characterized in that it comprises a fifth step in which the S-CSCF and the call termination request message is delivered to the AS.