Patent ID: 8185105
Filing Date: 2012-05-22
Classification: H04L,H04W

Abstract:
1. A method for using an IP Multimedia Subsystem (IMS) communication service identifier, comprising: getting, by a home location register home subscriber service (HSS), arrival of information related to a user subscribed IMS communication service identifier; and sending, by the HSS, information of a user subscribed IMS communication service identifier to a Service Identifier (SID)-requiring network entity according to the information related to the user subscribed IMS communication service identifier; wherein the SID-requiring network entity is a Serving Call Session Control Function (S-CSCF); the HSS determines arrival of the information related to the user subscribed IMS communication service identifier upon reception of a message requesting for downloading a user service profile from the S-CSCF; and the HSS sends a response message of the message requesting for downloading the user service profile to the S-CSCF, wherein the information of the user subscribed IMS communication service identifier is contained in the response message.