# Retronetworking - 2026-04-01: RetroNetCall: 40C3 c3isdn network, new location

DevFeed: [Retronetworking - 2026-04-01: RetroNetCall: 40C3 c3isdn network, new location](<https://devfeed.tech/articles/retronetworking-2026-04-01-retronetcall-40c3-c3isdn-network-new-location-32752.md>)

Original publisher: [Read original article](<https://osmocom.org/news/325>)

Author: xent

Published: 2026-03-30T23:44:02Z

Content type: news

Language: en

Sources: [Open Source Mobile Communications: News](<https://devfeed.tech/sources/open-source-mobile-communications-news.md>)

Topics: [Network](<https://devfeed.tech/topics/network.md>)

Tags: [2026](<https://devfeed.tech/tags/2026.md>), [announce](<https://devfeed.tech/tags/announce.md>), [bug](<https://devfeed.tech/tags/bug.md>), [communication](<https://devfeed.tech/tags/communication.md>), [https](<https://devfeed.tech/tags/https.md>), [issue](<https://devfeed.tech/tags/issue.md>), [location](<https://devfeed.tech/tags/location.md>), [network](<https://devfeed.tech/tags/network.md>), [presentation](<https://devfeed.tech/tags/presentation.md>), [tracker](<https://devfeed.tech/tags/tracker.md>)

## AI overview

An announcement for the April 1, 2026 RetroNetCall, a retronetworking-oriented spin-off of OsmoDevCall. The session includes a presentation on initial findings from a visit to the Hamburg Messe, the new site for that year's Chaos Communication Congress.

## Source excerpt

We're happy to announce the next incarnation of RetroNetCall, the retronetworking oriented spin-off of OsmoDevCall This time, we have a presentation about the first findings after @jolly and @xent visit of the Hamburg Messe on 28th March 2026 (the new site for this year Chaos Communication Congress). When: Wednesday, April 1st, 2026 from 20:00 CEST Time Topic Who 20:00 Meet and Greet everyone 20:10 40C3 New Location (Hamburg Messe) @jolly and @xent Where: https://osmocom.org/RetroNetCall (Big Blue Button of https://franken.de/)