topic
telephony
2 posts
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NAT bought us IPv4. It made real-time audio weird.
NAT let the internet outgrow its public IPv4 address supply. It also made a connected VoIP call a surprisingly different problem from a working one.
8 min
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The phone number was flagged before we ever used it
Recycled phone numbers carry the previous owner's spam reputation. We linked out to Truecaller instead of showing our own guess, which meant reverse-engineering an undocumented Android deep link with adb.
2 min