VOICE OVER NETWORK (VoN)/VOICE OVER INTERNET PROTOCOL (VoIP) ARCHITECT HAVING HOTLINE AND OPTIONAL TIE LINE
AssigneeAT&T Intellectual Property I, L.P.
InventorsHenry J. Kafka, Maria Adamczyk, Frederick C. Iffland, Anita Hogans Simpson, Stephen R. LaPierre, Karen M. McCourt, John P. Ruckart
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