Epson WorkForce 545 User Guide - Page 150

3. Connect the second phone cable to your telephone or answering machine and to the EXT port on your product. Note: If you connect an answering machine and Auto Answer is turned on, make sure the product's Rings to Answer setting is set higher than the number of rings your answering machine is set to answer a call. Any phone or answering machine must be connected to the EXT port for your product to detect an incoming fax call when the phone is picked up. Epson cannot guarantee compatibility with VoIP, cable phone systems, or fiberoptic digital services such as FIOS. Parent topic: Faxing Setting Up Fax Features Before faxing with your product, set up your fax header and select the fax features you want to use. Note: If you leave your product unplugged for a long period of time, you may need to reset the date and time settings for faxes. Setting Up Fax Features Using the Product Control Panel Setting Up Fax Features Using the Fax Utility - Windows Setting Up Fax Features Using the Fax Utility - Mac OS X 150