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| SIP/PSTN gateway (A device that translates signaling and media in different formats between the Enterprise Voice infrastructure and a public switched telephone network (PSTN) or private branch exchange (PBX)) | |||
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| SIP/PSTN gateway (A device that translates signaling and media in different formats between the Enterprise Voice infrastructure and a public switched telephone network (PSTN) or private branch exchange (PBX)) | |||
