https://dennishilk.com/museum/home-computing-lab/field-notes/field-note-7/ 2026-09-13 monthly 0.8 https://dennishilk.com/assets/home-computing-lab/field-notes/cisco-9951-cat-card.webp Can a Cisco CP-9951 Run DOOM? Yes — and the Phone Controls It Live DOOM on a Cisco CP-9951 using SIP, H.264, Asterisk and Baresip, with real game audio from the phone and keypad control through RFC4733 DTMF, Asterisk AMI, Python and Linux uinput. https://dennishilk.com/assets/home-computing-lab/field-notes/cisco-cp-9951-doom-controller-web.mp4 106 2026-09-13T09:49:08+00:00 yes Dennis Hilk Cisco CP-9951 DOOM Asterisk SIP H.264 DTMF Linux uinput