Messages in this thread | | | Subject | Re: no driver change for 2.4? | Date | Sat, 7 Aug 1999 17:04:19 +0100 (BST) | From | Alan Cox <> |
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> Unfortunately, the phone companies don't allow you to connect to > the network with uncertified hardware/driver combo's. Opening up > the ISDN development could bring all sorts of legal trouble with > it :(
That has nothing to do with opening up ISDN development. The code already has checksums and a signed block so you can check for the approved ELSA driver for Germany.
Active TA's need no L2 approval, just hardware approval as the D channel is approved firmware not Linux
Finally most countries don't require such approvals. They recognized that if feeding bad D channel data to an exchange caused failures they had a serious security problem, especially as telco exchanges are right at the top of the list of targets to hit just before a war, or before terrorist attacks
Alan
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