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Nick vs Networking

@nickvsnetworking.bsky.social
137 followers 189 following 41 posts

Telco Nerd - Mobile Networks, VoIP, Packet Core, IMS, all the Gs. Penchant for Crossbar, Step-by-Step / Strowger and obsolete exchange kit.

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Reposted by Nick vs Networking
mig 🇺🇦 @miguelaya.bsky.social · 08/10/2026
www.p1sec.com/blog/present...
p1sec.com
DiagNG: capture 2G/3G/4G/5G air interface traces to PCAP
DiagNG, the open-source successor to QCSuper: a Linux GUI tool, now in beta, that produces 2G/3G/4G/5G PCAP captures from Qualcomm Snapdragon basebands.
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Reposted by Nick vs Networking
Fred Posner @fred.tel · 01/10/2026
Did you know you could directly help the #Kamailio project with a simple donation? Single or recurring options available and the accounting, like the project itself, is open. opencollective.com/kamailio
opencollective.com
Kamailio - Open Collective
Support the development and administration of Kamailio SIP Server project.
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Reposted by Nick vs Networking
Jeff Geerling @jeffgeerling.com · 29/09/2026
ShadyTel builds an entire phone company for one weekend, every year, at VCF Midwest. This year they added a GNSS frequency standard for their T1 network, and it was sitting under my NTP Time table! Video: www.youtube.com/watch?v=pQdx...
youtube.com
They built a phone company for one weekend
YouTube video by Level 2 Jeff
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Fred Posner @fred.tel · 03/09/2026
Congratulations on 25 years of #Kamailio! As @miconda.bsky.social says, "Thank you for flying Kamailio" www.kamailio.org/w/2026/09/ka...
kamailio.org
Kamailio – 25 Years Of Development – The Kamailio SIP Server Project
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Nick vs Networking @nickvsnetworking.bsky.social · 07/08/2026
It felt like an architecturally broken system from the very start, the fact that any dip through the PSTN cleared any attestation anyway made it null anyway. So what was the point, to be seen to do something? Keep voice engineers in a job? Ps, I did not know you had studied criminology Fred!
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Josh Taylor @joshtaylor.bsky.social · 03/06/2026
I learned an academic who wrote about students not cutting corners in learning (by using AI) had used AI to write her opinion piece. Confirmed with the uni last night. Went to Nine about it this morning. Never responded but pulled the article and pubbed their own www.theguardian.com/australia-ne...
theguardian.com
Sydney academic used AI to write SMH opinion piece urging students to avoid using tech to ‘cut corners’
Sydney Morning Herald removes piece by Cath Ellis, despite Western Sydney University saying her use of AI was ‘appropriate’
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Nick vs Networking @nickvsnetworking.bsky.social · 26/05/2026
Love a niche museum, where is?
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Nick vs Networking @nickvsnetworking.bsky.social · 26/05/2026
Mercury arc rectifiers were shipped in the same way, supported by slings on springs, the big modern solid state stuff just ships in foam lined boxes.
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Reposted by Nick vs Networking
Hacker News Top Stories @hackernewsbot.bsky.social · 22/05/2026
Google Is Shattering Under Its Own Weight (The IBM-Ification of Google?) | Discussion
zeroshot.bearblog.dev
Google is Shattering Under Its Own Weight (The IBM-ification of Google?)
I used to think Google owning the full vertical stack was a masterstroke. Like TSMC silicon, TPUs, their own data centers, proprietary models, search engine....
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Fred Posner @fred.tel · 08/05/2026
“If Kamailio doesn’t support it, it’s because you haven’t contributed it yet.” — @miconda.bsky.social #opensource
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Hacker News Top Stories @hackernewsbot.bsky.social · 26/04/2026
My Homemade PBX (2002) | Discussion
wandel.ca
My Homemade PBX
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rare body oils @rarebodyoils.bsky.social · 26/03/2026
just discovered "roaming" whereby my telephone can go on an adventure like a man. i dont care that it costs me money, it's the right thing to do. this little computer is my son
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Nick vs Networking @nickvsnetworking.bsky.social · 24/03/2026
I'm always having to look up or reference 3GPP specs and at a protocol level, what you can and can't do for Diameter/GTP-C/PFCP/MAP/SBI, so I made a Pokèdex for protocols: protocoldex.omnitou.ch
protocoldex.omnitou.ch
Omnitouch Protocoldex - Telecom Protocol Reference
Comprehensive telecom protocol reference for Diameter AVPs, GTPv2-C IEs, MAP operations, 5G SBI APIs, and PFCP. Search and explore protocol specifications instantly.
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Nick vs Networking @nickvsnetworking.bsky.social · 24/03/2026
Hot damn. By "manually adjusted" do you mean tested it in the lab and updated the list? We've also seen some handsets that behave differently for emergency calls depending on the software version, but we've got no reliable way of picking up software version either, which just adds to the fun...
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Nick vs Networking @nickvsnetworking.bsky.social · 23/03/2026
We pulled a list from our P-CSCF for those with active IMS registration, but that only told us VoLTE compatible phones. We tried to do the same for E-CSCF CDRs but because not a lot of emergency calls the data is patchy, and it's often OS version specific too.
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Nick vs Networking @nickvsnetworking.bsky.social · 22/03/2026
Any idea how this is done? Is it just checking the IMEI TAC against a list of known good handsets? We've done a few VoLTE status checker tools and never got a 100% hit rate before.
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Nick vs Networking @nickvsnetworking.bsky.social · 17/03/2026
Alas there is no database to compare against, in Australia each vendor is doing their own tests, but they don't share data, even with each other about which phones work and which don't, and the OEMs themselves have generally got no idea either.
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Nick vs Networking @nickvsnetworking.bsky.social · 11/03/2026
This Netscape Navigator browser seems slop free, just got to activate this Bigpond trial CD and get online.
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Nick vs Networking @nickvsnetworking.bsky.social · 11/03/2026
I want to use a browser that isn't just Chrome wearing a hat. But I want a browser I can use. The struggle is real.
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Reposted by Nick vs Networking
Fred Posner @fred.tel · 04/03/2026
Kamailio 6.1.1 released! Download today, and we'll double your licenses for FREE! www.kamailio.org/w/2026/03/ka...
kamailio.org
Kamailio v6.1.1 Released – The Kamailio SIP Server Project
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Reposted by Nick vs Networking
Soren Spicknall @sorenspicknall.bsky.social · 03/12/2025
Learned today that around 1990, Mercedes-Benz briefly offered a "mobile office" package for the W126 S-Class that included a fully functioning printer, scanner, and fax machine built into an armrest.
A photo of the leather rear seats of a 1990s executive sedan with a built-in laptop that folds down into a writing desk, a corded phone, and a very bulky center armrest with a black plastic fax machine built into it.A closer look at an example of the armrest fax machine, whose exterior identifies it as an AEG Olympia Roadfax
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Tom Sulston @tom.sulston.net · 24/09/2025
Perhaps eSafety should have it explained to them that a "pull request" on Github is different to Grindr.
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Retro Tech Dreams @retrotechdreams.bsky.social · 14/09/2025
Bang & Olufsen Beocom 1401 (1996)
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Nick vs Networking @nickvsnetworking.bsky.social · 09/09/2025
Handset / baseband manufacturers IMS stacks always come up with new ways to ruin my day. We're seeing certain Samsung phones stops sending RTP mid-call and instead send random unidentified data (Not IPv4/v6) making the UPF unhappy and drops the bearer. nickvsnetworking.com/tales-from-t...
nickvsnetworking.com
Tales from the Trenches – Samsung mystery packet on IMS Call | Nick vs Networking
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Hacker News 300 @betterhn300.e-work.xyz · 09/09/2025
No adblocker detected maurycyz.com/misc/ads (news.ycombinator.com/item?id=451762…)
maurycyz.com
No adblocker detected
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Nick vs Networking @nickvsnetworking.bsky.social · 28/08/2025
Architectural triumphs every last one of em!
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Hacker News 300 @betterhn300.e-work.xyz · 19/08/2025
T-Mobile claimed selling location data without consent is legal–judges disagree arstechnica.com/tech-policy/2025/08… (news.ycombinator.com/item?id=449442…)
arstechnica.com
T-Mobile claimed selling location data without consent is legal—judges disagree
T-Mobile can’t overturn $92 million fine; AT&T and Verizon verdicts still to come.
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Nick vs Networking @nickvsnetworking.bsky.social · 25/05/2025
Handy #Elixir learning for today: export ERL_AFLAGS="-kernel shell_history enabled" Will give you the ability to scrollback in the iex shell for commands from previous sessions.
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Reposted by Nick vs Networking
miconda.bsky.social @miconda.bsky.social · 08/05/2025
Monday starts @KamailioWorld 2025 with an amazing lineup of sessions! Huge thanks to our sponsors that made it possible again: Sipfront, Sipgate, Diabolocom, Libon, Pascom, Mango Voice, Simwood, dSIPRouter, Snom, LOD, ClueCon, APIBan and Asipto - www.kamailioworld.com/k2025/
kamailioworld.com
Kamailio World Conference 2025
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Nick vs Networking @nickvsnetworking.bsky.social · 06/05/2025
If you've ever wondered how big systems did observability at scale before computers, welcome to the wonderful world of the mechanical counter: nickvsnetworking.com/before-there...
nickvsnetworking.com
Before there was Grafana – How Telcos did metrics & observability at scale before computers | Nick vs Networking
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Zach Weinersmith @zachweinersmith.bsky.social · 26/04/2025
Reading a bio of Claude Shannon and it crystallized a sense I have of how engineering culture has changed into tech culture. Shannon embodies a certain ethos that used to be everywhere, where the goal was to do really smart stuff, and spend your spare time on unicycles and flamethrowing trumpets.
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Nick vs Networking @nickvsnetworking.bsky.social · 24/04/2025
Just downloaded it for Kindle, thanks for the tip off!
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Nick vs Networking @nickvsnetworking.bsky.social · 20/04/2025
TIL that if you uninstall python3-yaml from Apt on Ubuntu it'll uninstall Netplan, breaking all networking if you reboot the machine...
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Nick vs Networking @nickvsnetworking.bsky.social · 15/04/2025
That is exactly what I'd done!
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Reposted by Nick vs Networking
Fred Posner @fred.tel · 07/04/2025
The Kamailio Project now has a simple and open way of providing financial support to the project: www.kamailio.org/w/donations/
kamailio.org
Donations – The Kamailio SIP Server Project
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Nick vs Networking @nickvsnetworking.bsky.social · 30/03/2025
We've been using it for the past ~6m to develop telecom applications, it's awesome!
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Nick vs Networking @nickvsnetworking.bsky.social · 18/03/2025
Freaking loved this.
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Hacker News Top Stories @hackernewsbot.bsky.social · 12/03/2025
The Insecurity of Telecom Stacks in the Wake of Salt Typhoon Discussion
soatok.blog
On The Insecurity of Telecom Stacks in the Wake of Salt Typhoon - Dhole Moments
Towards the end of last year, we learned that a group (allegedly affiliated with the Chinese government, referred to as “Salt Typhoon”) breached T-Mobile and other telecommunications co…
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WIRED @wired.com · 07/03/2025
Nokia's Lunar Surface Communications System was supposed to be the first 4G network deployed on the moon and a test for future crewed missions. Things didn't go to plan.
wrd.cm
Nokia Put a 4G Cellular Network on the Moon, but Couldn't Make a Phone Call
Nokia's Lunar Surface Communications System was supposed to be the first 4G network deployed on the moon and a test for future crewed missions. Things didn't go to plan.
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Nick vs Networking @nickvsnetworking.bsky.social · 27/02/2025
The illusive consumer who's willing to pay extra for QoS still yet to be found 18 years later...
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Nick vs Networking @nickvsnetworking.bsky.social · 25/02/2025
AI advocates advocating for more AI isn't exactly a headline, but Telstra is a public company whose focus is on telecom, it's kind of a stretch to argue that just because they're a big technology company in Australia that they should be developing Australia specific AI here right?
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Nick vs Networking @nickvsnetworking.bsky.social · 15/02/2025
CAMEL had always been one of those weird #3GPP protocols that was hard for me to find info on or play with, I had a chance to work with it last year and get familiar with CAMEL, so here's the basics of CAMEL charging flows: nickvsnetworking.com/basic-camel-...
nickvsnetworking.com
Basic CAMEL Charging Flow | Nick vs Networking
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Nick vs Networking @nickvsnetworking.bsky.social · 10/02/2025
NBN Co at great pains to explain it's not them, followed by NBN Co's website also shitting the bed due to everyone Googling "why doesn't my NBN work".
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Hacker News 300 @betterhn300.e-work.xyz · 10/02/2025
Why Blog If Nobody Reads It? andysblog.uk/why-blog-if-nobody-rea… (news.ycombinator.com/item?id=429921…)
andysblog.uk
Why Blog If Nobody Reads It?
What's the point of blogging?
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Nick vs Networking @nickvsnetworking.bsky.social · 10/02/2025
Here's the final part in the 5 part series I've written on understanding how to use CGrateS for all your VoIP rating and billing needs, that somehow took me 3 years to write... nickvsnetworking.com/cgrates-in-b...
nickvsnetworking.com
CGrateS in Baby Steps – Part 5 – Events, Agents & Subsystems | Nick vs Networking
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Nick vs Networking @nickvsnetworking.bsky.social · 08/02/2025
Ever wondered when to use what GTPv2-C source port? No? Well, here's an answer anyway: nickvsnetworking.com/gtpv2-source...
nickvsnetworking.com
GTPv2 Source Ports | Nick vs Networking
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Nick vs Networking @nickvsnetworking.bsky.social · 28/01/2025
Would love a high-res scan of this - The "All Red Line". Been to a few of those landing stations myself!
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Aaron Bateman @aaronbateman.bsky.social · 28/01/2025
This is perhaps the most beautiful cable map I've come across in the archives ... presents Britain as the center of the world
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Flaming_Spork @philo.gay · 24/01/2025
Deerfield, NY's (near Utica) boxy Long Lines tower 🎞️: Kodak Portra 800 (pushed +1 stop)
a square concrete building with various dish and horn shaped antennas crowded on the roof against a clear blue sky
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