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TIA-1147 2009 Edition, December 1, 2009 IMS Centralized Services Stage 1 Requirements
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Description / Abstract: INTRODUCTION AND SCOPE
This document provides service requirements for IP Multimedia System (IMS) Centralized Services (ICS). ICS enables the delivery of IMS-based services to users regardless of the attached access network type, e.g., CS domain access (1xRTT) or IP-based (HRPD or WLAN) access. Service continuity between access networks is addressed. Service scenarios are described. Requirements are identified from both user and service provider perspectives.
This document provides service requirements for IP Multimedia System (IMS) Centralized Services (ICS). ICS enables the delivery of IMS-based services to users regardless of the attached access network type, e.g., CS domain access (1xRTT) or IP-based (HRPD or WLAN) access. Service continuity between access networks is addressed. Service scenarios are described. Requirements are identified from both user and service provider perspectives.