The U.S. Patent and Trademark Office approved net.com’s forward error correction (FEC) patent (no. 6,675,340) to improve reliability of data packets transmitted over packetized networks, such as voice packets transmitted over an IP network. The patented FEC function allows net.com to offer improved voice reliability and with minimal delay or incremental bandwidth on its SHOUTIP platform. FEC offers exact transmission of encrypted voice data with minimal bandwidth overhead and packet delay. net.com said its patented technology is especially useful for military and government customers who carry secure telephone unit (STU) and future narrowband digital terminal (FNBDT) calls over IP networks. http://www.net.com
Net.com Awarded Patent for Forward Error Correction in VoIP
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From the Technology Graveyard
You just read about VoIP. Here is what it replaced:
POTS / PSTN served from 1876. What ultimately replaced it?
POTS / PSTN analog voice carried as a continuous electrical signal over a copper loop to a circuit-switched exchange, which set up an end-to-end dedicated path for the duration of the call. Its job passed to VoIP — but the problem it solved, and the ideas it proved, live on in what replaced it. The standard rests here in the archive. One of 198 technologies here that opened a door and then held it for the next.
On this day
February 16From 25 years of the Converge Digest archive.