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From: cyusta@tasu81.UUCP ( Yuval Shahar )
Newsgroups: comp.dcom.modems
Subject: Source licensing issues
Keywords: license, V42.bis, MNP5
Message-ID: <5882@taux01.nsc.com>
Date: 22 May 91 07:38:41 GMT
References: <19241@sdcc6.ucsd.edu>
Sender: netnews@taux01.nsc.com
Reply-To: cyusta@taux01.UUCP ( Yuval Shahar )
Organization: National Semiconductor (IC) Ltd, Israel
Lines: 17


 I believe this issue has been discussed here before so apologies are due. 
 I need the current status on source licensing issues, in particular with 
 regard to MNP5 and V42.bis. The last I heard was that MNP5 costs 5K-20K$
 payed to Microcom, and that V42.bis costs a total of about 50K$ payed to IBM,
 British-Telecom and Unisys. I also know that CCITT threatened to take some
 kind of action if this license fee was not drastically reduced. Also I heard
 something about the AT commands having some kind of a patent. Any info would
 be greatly appreciated. Also, any other legal pitfalls and caveats related to
 writing a v42/v42-bis, MNP1-5 modem are of interest.

 Thanks,
  Yuval
	Yuval Shachar		cyusta@taux01.nsc.com   cyusta@nsc.nsc.com
				shachar@taurus.bitnet   shachar@math.tau.ac.il
    National Semiconductor (Israel) P.O.B. 3007, Herzlia 46104, Israel
    Tel. +972 52 522310  TWX: 33691, fax: +972-52-558322