The SID does not contain the concept of Supplementary Service, which is after all a network (GSM) related artefact and should not (in the ideal world) be used when describing or pricing products and services to Customers and End Users.Ĭlearly defining a Product Offering, for example “3G Anytime” solely in terms of the services perceived by the End User will not help when the Product Offering is sold (as a Product Offering Subscription) to be provisioned in the network or on the Billing System, but that is precisely the objective of the SID. The Product Offering is thus defined in terms of the Services that an End User perceives, values, and may be charged for. The End User does not perceive the switching, encryption, error correction, radio frequency hops, base station transfers, multiplexing and demultiplexing that may go on in the background. The Customer (or more precisely the End User Party Role) perceives the service “Outbound Voice Call”, for example, as nothing more than that. The key point to this definition is the word seen. This means that a Customer purchases and/or is directly aware of the type of Service and is in direct contrast to a Resource Facing Service which support Customer Facing Services but are not seen or purchased directly by the Customer.” A Product Offering (Specification) is made up of:Ī Customer Facing Service is defined in SID as: “ A Customer Facing Service is an abstraction that defines the characteristics and behaviour of a particular Service as seen by the Customer. A key element in SID is way it models telecoms products (Product Offerings) and especially the concept of Customer Facing Services (CFS).
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