Performance Evaluation of a Sip Based Presence and Instant Messaging Service for Umts


With ever increasing penetration of IP technologies and the tremendous growth in wireless data traffic. the wireless industv is evolvin the mobile core networks towards IP is specihing an IP Multimedia Core Network Sub-System (IMS) in UMTS Release 516. which is adjunct to the UMTS GPRS CN. This IP-based network will allow mobile operators to provide… (More)


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