WebSphere brand IBM WebSphere IP Multimedia Subsystem Connector, Version 6.2

Introduction to the Sh subscriber profile Web service

The Sh subscriber profile Web service provides IMS™ Application Servers secure access to subscriber data centrally stored on the Home Subscriber Server (HSS). This includes a subscription and notification service, so that the IMS Application Server instances can subscribe to data changes that occur in the HSS.

Although the Diameter Cx interface is used during authentication–between a Call Session Control Function (CSCF) and the Home Subscriber Server (HSS)–the IBM® WebSphere® Diameter Enabler Component does not implement this capability. Instead, the Diameter Enabler is used by an Application Server (AS) application to retrieve and update information about subscribers stored in a Home Subscriber Server (HSS).

This interface gives the IMS Application Server the ability to query location information, presence information, and subscriber entitled services.

The Sh subscriber profile Web service is an interface between the IMS Application Server and the HSS. The interface allows for four transaction types with a request and response transaction for each. These transactions provide the following functions:



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