#isdn

Live, measured metrics for the hashtag #isdn from the open social web. Every number carries a named source and the time it was fetched. Nothing is estimated.

hashtag.org network · sponsored

Own #isdn

This #name is available to claim. It becomes your portal on the open agent web: this very page, a keyword you rank for by an open public stake, and a verifiable identity for AI agents. Nobody else sells a page like this for every #name.

$2,449.80/ year · 4-character #name
Claim #isdn — $2,449.80/yr→Buy on hashtag.space (web3)
card via hashtag.org · tokens via hashtag.space
0
Uses / 7 days
Mastodon
0
Accounts / 7 days
Mastodon
40
Recent posts
Mastodon
~0/hr
Recent pace
Mastodon · last 40
7.9
Avg reactions / post
Mastodon · last 40

Day-by-day usage

measured · fosstodon.org (Mastodon public tags API) · fetched 2026-07-28 18:14 UTC
0
07-22
0
07-23
0
07-24
0
07-25
0
07-26
0
07-27
0
07-28

0 uses by 0 unique accounts across the window. Real per-day counts, not estimates. Newest bar is today so far.

Related hashtags

measured · fosstodon.org (Mastodon public search API) · fetched 2026-07-28 18:14 UTC
#isdnews
0 uses · 0 accounts / 7d
#isdn4linux
0 uses · 0 accounts / 7d
#isdnbubble
0 uses · 0 accounts / 7d
#isdnd
0 uses · 0 accounts / 7d
#NotReallyISDN
0 uses · 0 accounts / 7d
#isdnの振られた何かもきっとあります
0 uses · 0 accounts / 7d
#isdn_pr
0 uses · 0 accounts / 7d
#ISDNTelefon
0 uses · 0 accounts / 7d
#c3isdn
0 uses · 0 accounts / 7d

Live pulse

measured · fosstodon.org (Mastodon tag timeline) · fetched 2026-07-28 18:14 UTC

Everything below is measured over the latest 40 public posts (spanning ~8646 hours).

Posting hours (UTC) — busiest: 13:00

00:0012:0023:00

Languages: English (28) · German (11) · Portuguese (1)

Avg boosts / post: 7

Top of the latest posts

  • Uns liegen geheime Informationen vor, aber hier, unter uns können wir es ja sagen: Beim #39c3 wird #ISDN ein echt großes Ding. Also schnell noch ein Euro-ISDN-Telefon* aus dem Keller holen oder günstig besorgen, bevor die Preise explodieren

    EVENTPHONE@[email protected]♥ 108↻ 692025-10-21 09:09 UTCView post →

  • Just completed the disassembly of another two Siemens EWSD digital telephone exchanges, which are now in a truck on their way to the Telecom Museum Dresden (Fernmeldemuseum Dresden). Largest time sink was untangling the hundreds of cables (

    LaF0rge@[email protected]♥ 82↻ 412025-10-24 15:00 UTCView post →

  • Make sure to bring your modems, fax machines, ISDN terminal adapters, phones, BTX terminals, Minitel, video phones and other #retronetworking gear to #39C3 and get connected to the on-site #ISDN network. More information at https://isdn-mus

    CCC event ISDN/POTS network@[email protected]♥ 32↻ 262025-12-26 09:37 UTCView post →

Every number above is measured from a named public API at the shown fetch time. Nothing is estimated or extrapolated. Platforms that lock their data behind paid APIs are not shown. Agents: the same numbers, as JSON, at /api/hashtags/isdn