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Max msuraev at sysmocom.deHI. Pardon the cross-posting, I'm not sure where this question really belongs. I've been trying to wrap my head around how PDTCH/PACCH/PTCCH activation works. In osmo-bts-sysmo/oml.c there is pdtch_sapis[] which defines what got to be activated both in DL and UL directions. Right now it's PDTCH (UL & DL), PTCCH (DL) and PRACH. Note that PACCH (DL) and PTCCH (UL) are commented out. Yet I see code dealing with PACCH in osmo-pcu and corresponding log messages. So the question is - how does this works? The PACCH seems to be used so it's somehow activated but apparently not the same way as PDTCH. -- Max Suraev <msuraev at sysmocom.de> http://www.sysmocom.de/ ======================================================================= * sysmocom - systems for mobile communications GmbH * Alt-Moabit 93 * 10559 Berlin, Germany * Sitz / Registered office: Berlin, HRB 134158 B * Geschaeftsfuehrer / Managing Director: Harald Welte