AT&T 964 Corded Phone "fax machine picking incoming faxes" Questions

...Change the fax to answer on the fifth ring or more. Check that the settings are not on 'fax only'. You can have the answer machine pick up on the third ring, just have the fax answer two rings

...be filtered. You'll have to start by eliminating other devices from the line, fax, computer, credit card machine etc. Now try the auto attendant voice mail. Add those devices back and check each

...fax machine, credit card machine, alarm, computers and anything else you may have on that line. Any of these devices may be keeping the line off hook. Now remove all of the phones and try to get one ...