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Question About AT&T Telephone 1040
When I press to use line 3 or 4 on my AT&T 1040, t...

When I press to use line 3 or 4 on my AT&T 1040, the other phones in the office show that line 4 is in use. Why is this happening how can I fix this?

Asked by Rose on 04/25/2014 1  Answer

ManualsOnline posted an answer 10 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

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