FAX-575/FAX-575e FAQs & Troubleshooting FAX-575/ FAX-575e Not your product? Sort by: Updated Date Popularity 3 Results 1. 11/19/2012 How does the "FAX/TEL" Mode work? 2. 11/19/2012 I have my FAX machine set in the FAX/TEL (F/T) answer mode. What happens if I do not answer the telephone and it's a non fax call? 3. 11/19/2012 What does the pseudo-ring (double ring) indicate in the F/T Mode? Telephone FAQs & Troubleshooting