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IP Multimedia Subsystem
Last modified: Thursday, February 17, 2005 

The IP Multimedia Subsystem (IMS) is an IP multimedia and telephony core network that is defined by 3GPP and 3GPP2 standards and organizations based on IETF Internet protocols. IMS is access independent as it supports IP to IP session over wireline IP, 802.11, 802.15, CDMA, packet data along with GSM/EDGE/UMTS and other packet data applications. IMS is a standardized reference architecture that consists of session control, connection control and an applications services framework along with subscriber and services data. *

* [Adapted from Lucent IP Multimedia Subsystem Overview]

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For internet.com pages about IP Multimedia Subsystem . Also check out the following links!

Related Links

IMS - IP Multimedia Subsystem (PDF)
This Ericsson white paper discusses the value of using the IMS architecture.

Network Evolution towards IP Multimedia Subsystem (Registration Required)
This 14 page white paper discusses the IP Multimedia Subsystem (IMS) and its benefits, usage, and more.

related categories

Standards

Telecommunications

related terms

802.11

CDMA

IP


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