Hi Ivan, On Fri, Oct 09, 2020 at 10:51:02PM +0300, Ivan Babanov wrote: > Regarding SABME message it's correct behaviour, I checked twice, BSC > initializes link establishment and BTS responds with UA
I never worked a lot with Nokia, so you may be right. In the 3GPP specs (and as implemented in Siemens), the BTS initiates the data link to the BSC. > Today I was digging in dahdi-linux docs again and I see that it uses BKL > mechanisms in the kernel. Is it still valid? Because BKL was removed from > kernels starting from 2.6.39 I'm not sure what you are referring to. I have kernels up to 5.8.0 running with DAHDI without any problems. > What linux kernel do you use on your server with dadhi E1 adapters? mostly whatever version Debian 10 (amd64) ships. I then build DAHDI for that kernel from source. https://github.com/osmocom/dahdi-linux has a few fixes for recent kernel versions that upstream doesn't yet have merged to master. But if upstream compiles on your kernel, you don't need those patches. -- - Harald Welte <[email protected]> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)
