U.S. federal trademark · Serial No. 75632636
Telecommunications gateway services, namely the electronic transmission of voice from a telephone handset across the analog Public Switched Digital Network (PSTN) and from the analog PSTN to a digital data network and from the digital data network to the analog PSTN and across the analog PSTN to a telephone handset; telecommunications gateway services, namely electronic transmission of voice from a personal computer across a digital data network and from the digital data network to the analog PSTN and across the analog PSTN to a telephone handset;
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