From Newsgroup: comp.sys.ibm.ps2.hardware

https://en.wikipedia.org/wiki/GammaLink

GammaLink Inc. was an American computer hardware and software company
founded in the 1980s in Sunnyvale, California, by Hank Magnuski and
Michael Lutz.[1] The company was the first to invent PC-to-fax
communications technology, GammaFax.[2][3][4][5]

The company was sold to Dialogic Corporation in 1994,[6] which in turn
was bought by Intel.[7] It was then bought by Eicon and subsequently
acquired by Open Media Labs, which now functions as Dialogic Media Labs.[8]

http://www.faqs.org/faqs/fax-faq/GammaLink/

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