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2
3 First:
4
5 HiSax is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
14
15 However, if you wish to modify the HiSax sources, please note the following:
16
17 HiSax has passed the ITU approval test suite with ELSA Quickstep ISDN cards
18 and Eicon Technology Diva 2.01 PCI card.
19 The certification is only valid for the combination of the tested software
20 version and the tested hardware. Any changes to the HiSax source code may
21 therefore affect the certification.
22
23 Additional ITU approval tests have been carried out for all generic cards
24 using Colognechip single chip solutions HFC-S PCI A for PCI cards as well
25 as HFC-S USB based USB ISDN ta adapters.
26 These tests included all layers 1-3 and as well all functional tests for
27 the layer 1. Because all hardware based on these chips are complete ISDN
28 solutions in one chip all cards and USB-TAs using these chips are to be
29 regarded as approved for those tests. Some additional electrical tests
30 of the layer 1 which are independent of the driver and related to a
31 special hardware used will be regarded as approved if at least one
32 solution has been tested including those electrical tests. So if cards
33 or tas have been completely approved for any other os, the approval
34 for those electrical tests is valid for linux, too.
35 Please send any questions regarding this drivers or approval abouts to
36 werner@isdn-development.de
37 Additional information and the type approval documents will be found
38 shortly on the Colognechip website www.colognechip.com
39
40 If you change the main files of the HiSax ISDN stack, the certification will
41 become invalid. Because in most countries it is illegal to connect
42 unapproved ISDN equipment to the public network, I have to guarantee that
43 changes in HiSax do not affect the certification.
44
45 In order to make a valid certification apparent to the user, I have built in
46 some validation checks that are made during the make process. The HiSax main
47 files are protected by md5 checksums and the md5sum file is pgp signed by
48 myself:
49
50 KeyID 1024/FF992F6D 1997/01/16 Karsten Keil <kkeil@suse.de>
51 Key fingerprint = 92 6B F7 58 EE 86 28 C8 C4 1A E6 DC 39 89 F2 AA
52
53 Only if the checksums are OK, and the signature of the file
54 "drivers/isdn/hisax/md5sums.asc" match, is the certification valid; a
55 message confirming this is then displayed during the hisax init process.
56
57 The affected files are:
58
59 drivers/isdn/hisax/isac.c
60 drivers/isdn/hisax/isdnl1.c
61 drivers/isdn/hisax/isdnl2.c
62 drivers/isdn/hisax/isdnl3.c
63 drivers/isdn/hisax/tei.c
64 drivers/isdn/hisax/callc.c
65 drivers/isdn/hisax/l3dss1.c
66 drivers/isdn/hisax/l3_1tr6.c
67 drivers/isdn/hisax/cert.c
68 drivers/isdn/hisax/elsa.c
69 drivers/isdn/hisax/diva.c
70 drivers/isdn/hisax/hfc_pci.c
71
72 Please send any changes, bugfixes and patches to me rather than implementing
73 them directly into the HiSax sources.
74
75 This does not reduce your rights granted by the GNU General Public License.
76 If you wish to change the sources, go ahead; but note that then the
77 certification is invalid even if you use one of the approved cards.
78
79 Here are the certification registration numbers for ELSA Quickstep cards:
80 German D133361J CETECOM ICT Services GmbH 0682
81 European D133362J CETECOM ICT Services GmbH 0682
82
83
84 Karsten Keil
85 keil@isdn4linux.de
86
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