Hello! Thank you for contacting JustAnswer.com; I am Russell H., an Expert here at JustAnswer.com, and I will do what I can to answer your question as well as it can be answered.
Is it a Panasonic phone, that you are asking about, please?
(Thank you for using English. I can use French if you wish.)
Perhaps the 'C' suffix at the end of your model # (which no doubt stands for 'Canada model') is what caused the model # to not be easily found. This lists the model without the 'C' suffix at the end of the model #:
This is JustAnswer, not Panasonic, that you have contacted. If you wish to pursue this matter with Panasonic (Canada), I can close the case and even give you information for contacting them, free of charge.