Title: Unit doesn't work with our DSL connected
Product review: I recently purchased this item when my other phone with caller ID display died. For me, it shows only ERROR when a call comes in, which the manual says is due to interference on the line, but the caller ID displayed fine on my phone. I call the support line twice, left messages, got no call back. When I finally got through, the technician was helpful. I have another phone with caller ID in another part of the house, as well as DSL internet on the same line. It turns out that I have to unplug the internet to get the unit to work at my house, which is a no-go for us, so I'm returning the unit and will buy an inexpensive phone with caller ID instead.
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