Panasonic APT / DPT Resources

A while back, I spent some time reverse engineering the Panasonic Proprietary (APT and DPT) telephone protocols.

Panasonic APT (Analogue Proprietary Telephone)

APT Protocol Documentation

Verilog Implementation

Panasonic DPT (Digital Proprietary Telephone)

DPT Protocol Documentation

General Documentation / Utilities

APT / DPT Sigrok Decoder