I am a retired Executone, Avaya, Engineer. I dug out a Medley telephone system to install in a small home I am building.
It is far from cell towers and in the wilderness. So my options are POTS line or a Straighttalk Home phone with a Yagi. The cell phone itself only gets one bar if I hold it in he air and stand on one foot with a finger in my ear.. I think you get the point. I am Leaning to the Straighttalk/Verizon wireless transceiver for two lines that I can get for less than the price of a POTS line.

Here is my question the system 99XX programming I need the cheat sheet so I can adjust the DTMF duration as it is very short by guess 30 MS and I think there is a 99XX code to make that longer.

Does anyone have that sheet?

Thanks

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