Lila Madour

Wide area network mobility for ip based networks

Inter-system handoffs in multi-access environments

Handoff in radio telecommunications networks

Packet core function and method of selecting a packet data service node/foreign agent in a packet data network

Optimized packet-resource management

System and method of monitoring and reporting accounting data based on volume

Extended number portability database services

Method and system for integration of second generation and third generation wireless networks

Seamless handoff for multimedia services

Differentiated accounting in a packet data network