gemini,

Could you look at page 295 (System Programming 4-81 area 423) of the following manual. Is this saying I can program CO1-3 to a single ring and CO4 to a triple ring? If so this solves my problem. Has anyone tried this? I could not find what 128 referred to.

Thanks


https://www.tda50.com/Manuals/Panasonic/KX-TA%20624/KX-TA624-3%20Install.pdf