Line 1 has one IP phone service. Line 2 has Gizmo5. When I connect brother mfc845cw fax phone to line1 port. It can receive both line1 and line2 calls. When I connect this fax phone to line2 port, it only receive line2 call. The fax phone has 2-cord ...

Hi XW,I meet the same problem as yours. I do not use a 2-line phone, but a Brother mfc845cw phone, which use 2-cord line. The phone line just has 2 cords. When I plug this fax phone in line1 port. The fax phone can receive both line1 and line2 calls....