Information processing installations and apparatus, namely, voice switching platforms and their components, namely, computer interface controllers, packetizers in the nature of data processing hardware for separating data into units for transmission in a packetswitching network, computer switches and echo cancellers in the nature of telecommunications hardware and software incorporating algorithms for canceling echoes; computer software, namely, software for controlling voice switches, software for showing the status of calls on a computer, billing software and software for measuring the quality of calls; software incorporating algorithms for automatically selecting the routes that give the best price performance, software incorporating algorithms that operate in computer switches for automatically selecting the routes that give the best price performance, software incorporating special echo cancellation algorithms, operating software incorporating algorithms that operate in desktop computers featuring a special echo cancellation algorithm, operating software incorporating an algorithm compensating frequency drifting of sound devices in personal computers; operating software incorporating algorithms that operate in desktop computers featuring an algorithm compensating frequency drifting of sound devices in personal computers; Printed circuit boards and associated control software that uses ATM technology to transfer speech traffic, Printed circuit boards and associated control software to transfer speech traffic that bridges SS7 en G.711 voice traffic, Printed circuit boards and associated control software for transcoding IP voice traffic and other computing tasks regarding speech signals

Electronic data processor programming; computer programming; engineering; the design, development and implementation of Voice-Over-IP systems; the implementation of software and computer hardware systems