James B. Hellwarth
1 Papers
222 Citations
James B. Hellwarth is an academic researcher. The author has contributed to research in topics: Call control & Local loop. The author has an hindex of 1, co-authored 1 publications.
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Papers
Patent
Automated public phone control for charge and collect billing
George A. Hellwarth,James B. Hellwarth,David C. Hellwarth,Jan G. Hellwarth +3 more
- 20 Apr 1989
TL;DR: In this paper, the charge and collect-call functions of a public telephone are arranged automatically by a microcomputer system preferably connected on customer premises between the phone terminal instrument and the local loop, wherein control of said instrument, network signaling and call placement voice prompting of the call parties, recognition of responses from the parties and the network, and data communications with other computers are accomplished by the microcompter system without requiring human operator assistance or the transmission of calls over excessive distances to reach such an operator.
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