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We propose a service infrastructure for richer ubiquitous services that assume access via a cell phone. We call it UDSP (ubiquitous discovery service platform). It can associate a variety of IDs in the real world with a variety of services on the communication network. It can also provide appropriate services for cell phone users. Furthermore, since it supports conventional IDs and service systems, it is easy for service providers to implement service control. In order to realize the above features, the UDSP is composed of four major components: multi-ID capture, UOI (universal object identifier) administration, BIND information (attribution information about objects and services) and basic service portal. We describe these components in the UDSP architecture and show a ubiquitous service system based on the UDSP.