I changed from a BT domestic to a BT Business account. Since then caller display has never worked. When I was with BT domestic it worked perfectly. I use a BT 8600 cordless handset. I have the phone and nothing else plugged into the master socket, an OpenReach 5c. I have reported this five times and BT keeps closing the fault without ever checking with me. If I dial *#234# it tells me caller display is active. All I get for incoming calls is 'no number'.
Any suggestions? I have raised a complaint and that is crawling along but with no progress.
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