#telecommunications
85 episodes
#4841: How Global Roaming Actually Works (and What to Buy)
The plumbing behind international roaming and which eSIM plans actually deliver on their promises.
#4803: How Digital Road Signs Talk to Cars
How roadside radios broadcast stop signs and traffic data directly to vehicles over 5.9 GHz.
#4793: Fibre Isn't a Trick — It's the Thing the Trick Was Trying to Approximate
The glass in the ground is already 40 years old — and it's barely breaking a sweat.
#4790: Why Your Internet Speed Is Really a Shared Cap
The speed on your bill isn't what you think. Here's how ISPs really meter your connection.
#4779: Bonding Hotel Wi-Fi: Travel Router eSIM Guide
eSIM travel routers, Speedify bonding, and whether you can rent a preconfigured bonding endpoint instead of building your own VPS.
#4698: What a Business Fibre SLA Actually Guarantees
DIA circuits promise 99.9% uptime, but the fine print tells a different story. Here's what you're really buying.
#4691: The Machine Lane: When AI Agents Call Your Business
What if your business phone menu had a button for AI callers? The search for who's building it — and why nobody has.
#4642: What Net Neutrality Actually Means for Your Internet
ISPs can see your traffic and shape it. Net neutrality is the only thing stopping them — and right now, the rules are blank.
#4633: How In-Flight Wi-Fi Actually Works at 35,000 Feet
Daniel measured 150 Mbps over the Atlantic. Here's how the antenna, cabin network, and routers make it possible.
#4631: How Starlink Delivers Real In-Flight Wi-Fi
Why Starlink beats traditional satellite internet on planes — latency, lasers, and phased arrays explained.
#4610: Why Twilio and RingCentral Never Converge
Twilio and RingCentral both turned telephony into software. So why do they barely compete? The answer is law, not tech.
#4609: The PBX Ledger: What Cloud Phones Really Cost
We traded the PBX for UCaaS and CPaaS. But what did we actually lose — and what did we gain that was impossible before?
#4601: Why Essential Services Break at 4 PM
A SIM activation, a medication refill, and a system that only works for the median life.
#4600: Why Can't You Port Your Number to Twilio?
Number portability breaks when you leave the carrier system. Here's why Twilio can't receive Israeli numbers — and what you can do instead.
#4599: Why Phone Numbers Are Stuck in the 1970s
Why SMS fails on virtual numbers, and what a SIP-first, IPv6-style phone number system would actually take.
#4569: Dialing Without a Switchboard: Twilio Number Normalization
Twilio expects E.164, but Israel dials 0-3-... Here's what breaks when you become your own carrier.
#4567: eSIM Adapters, US Data, and Twilio: A Traveler's Setup
eSIM adapters, US data plans, and running your phone through Twilio — a practical guide for frequent travelers.
#4542: Going Fully SIP: Why It's Not Ready (Yet)
A deep dive into the three structural reasons you can't ditch your carrier for Twilio and SIP—yet.
#4541: What Would We Build If Cellular Started From Zero?
Exploring whether GSM's legacy parts—IMEI, SIM, circuit switching—are still needed in an all-IP world.
#4533: The Hidden Command Line in Your Phone's Dialer
Star-pound codes aren't just for forwarding calls. Your dialer is a secret command line with three different systems hiding behind it.
#4515: Where Extremist Forums Actually Went After Reddit Bans
Reddit bans didn't push extremists to the dark web. They went to Telegram. Here's why.
#4499: Twilio for Small Business: IVRs, SIP & Phone Trees
How to build professional phone systems with Twilio — IVRs, round-robin routing, voicemail transcription, and SIP setup.
#4454: Who Owns the Air? Wi-Fi Spectrum Rules Explained
Why your Wi-Fi channel changes, what DFS is, and how Israel, the US, and Europe regulate the air differently.
#4420: Tracing the IP Path of Your Phone Call in 2026
Do your calls travel over IP or old copper wires? We trace the messy, incomplete migration of telephony.