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MISDN » History » Version 2

laforge, 02/19/2016 10:48 PM
update on kernel patch requierement

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mISDN is the latest incarnation of a Linux in-kernel ISDN stack.
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You can find more information about mISDN at http://www.misdn.org/
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The BS11-Abis project uses mISDN as a foundation
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 * to drive the HFC-E1 card, using the hfcmulti.ko driver
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 * to handle the TEI assignment procedures on the Abis interface
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 * to offer a sockets based kernel/userspace interface for the actual BSC code
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Unfortunately, there are a number of  subtle differences between Q.921 and the way how Abis utilizes
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the E1 physical link, and as a result mISDN could not be used unmodified to drive Abis.  We have developed
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some patches that eventually were merged into the mISDN project.  Starting from kernel 2.6.30, you do
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no longer need to patch it to support the A-bis layer2.
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SDN mainline.
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== Configuration ==
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please make sure to load the hfcmulti Linux kernel module using the option "dslot=1" parameter. If
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you fail to do so, the timeslot for signalling will be 15 (whereas the BTS uses 1).
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