U.S. federal trademark · Serial No. 78242402
Network access hardware, namely a PC-based hardware interface operating between a digital network and local PSTN T1/E1 super-trunks which recognizes long distance calls, compresesses the voice and signaling data, routes the resultant data stream over a PSTN-independent network to its destination, decompresses the voice data, then completes the call over a local PSTN connection
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.