Hacker News with Generative AI: Telephony

Saving 100+ Desk Phones from E-Waste Doom with TFTP and a Simpler PBX (difuse.io)
Saving 100+ Desk Phones from E-Waste Doom with TFTP and a Simpler PBX
Decoding the telephony signals in Pink Floyd's 'The Wall' (corelatus.com)
I like puzzles. Recently, someone asked me to identify the telephone network signalling in The Wall, a 1982 film featuring Pink Floyd. The signalling is audible when the main character, Pink, calls London from a payphone in Los Angeles, in this scene (Youtube).
FreePBX is being destroyed by the current owners, and it's disheartening (reddit.com)
As the official forums are slowly being dismantled by the so-called open-source advocate, I encourage everyone to seek alternative methods of community support, such as this platform. For those who may not be aware, the latest escalation includes the banning of Tony Lewis and demands for partners and other users to remove content Sangoma finds objectionable.
A Simple open-source Phone programmable with Arduino (wiphone.io)
The WiPhone is a hackable, modular mobile phone which makes HD voice calls for free over WiFi.
End-of-Life Notice for OBiTALK (support.hp.com)