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Here's a site where you can download the quick reference guide. Hope this is what you are looking for. I'm not sure what you mean by TDA and PTPM. If this isn't what you need, please clarify. Thanks.
Your phone will work on a few different Panasonic phone systems. If you are looking for manuals on KX-T7720 and KX-T7720 all you will find is a user guide for the phone. You need to determine the model number of your phone system before starting to look for a programming manual.
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