Bringing an old analog (1G) Cleartone CTN9000 mobile phone handset back to life with the aid of a software-defined radio (Lime SDR) and osmocom_analog.
Category Archives: PBX
A SIP trip down memory lane… back to Asterisk PBX & VOIP
A long time ago I built a VOIP PBX. I’ve been wanting to build & use another for a long time and finally got round to it with a £10 Cisco phone and £14 USB dongle…