Sorry to be so dumb but I'm not a tech so I don't know how to log into system programming. Is that through a phone with this code? **266344 If so, where do I go from there?
How do I know if my Nortel Meridan 616 is a DR5? I want to add caller ID but my current Nortel model phone (NT8B30) doesn't have the capability. I found model Nortel T7316e says it has caller ID but you have to have a DR5.
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