[osmocom-announce] RetroNetCall on March 1, 2023: Introduction to the X.21 interface

Dear Osmocom community, we're happy to announce the next incarnation of RetroNetCall[1], the retronetworking oriented spin-off of OsmoDevCall[2]. when: March 1, 2023 at 20:00 CET where: https://osmocom.org/RetroNetCall This time, @laforge will be presenting on Introduction to the X.21 Interface Topics include (not limited to): * electrical signals * signal timing * call signaling This meeting will have the following schedule: 20:00 meet + greet 20:10 presentation as outlined above 21:00 unstructured supplementary social event [3] Attendance is free of charge and open to anyone with an interest in Osmocom or open source cellular technologies. More information about RetroNetCall, including the schedule for further upcoming events can be found at https://osmocom.org/projects/retronetworking/wiki/RetroNetCall Looking forward to meeting you soon! Best regards, Harald [1] https://osmocom.org/projects/retronetworking/wiki/RetroNetCall [2] https://osmocom.org/projects/osmo-dev-con/wiki/OsmoDevCall [3] this is how we started to call the "unstructured" part of osmocom developer conferences in the past, basically where anyone can talk about anything, no formal schedule or structure. -- - Harald Welte <laforge(a)osmocom.org> http://laforge.gnumonks.org/ ============================================================================ "Privacy in residential applications is a desirable marketing option." (ETSI EN 300 175-7 Ch. A6)