A:AnswerIn order to use the HP Fax 640 with a digital phone line, you will need to have an analog filter, which will change the incoming data stream to analog and the outoing to digital.
A:AnswerThis fax is standalone and does not connect to a printer or PC. This fax has multiple options for receiving phone calls, so you will not need a separate phone line.
A:AnswerIn order to use your fax on the same phone line as your home phone, you would need to use the "distinctive ring" feature that is included with this fax. With distinctive ring, your phone company’s system would need to determine if the incoming call was a fax or a phone call and send a different ring for faxes that the fax machine would recognize and accept the fax. I recommend contacting your phone company to determine if their equipment supports distinctive ring.
A:AnswerNo, this fax does not connect to a PC. The HP Officejet 4500 Network-Ready All-in-One Printer has Printer/ Copier/ Scanner/ Fax functions. That All-in-One will work with a PC.
A:AnswerIf you inquiring about using fax on the same line as your phones, the HP 640 fax has a distinctive ring feature.
With distinctive ring, your phone company’s system would need to determine if the incoming call was a fax or a phone call and send a different ring for faxes that the fax machine would recognize and accept the fax. I recommend contacting your phone company to determine if their equipment supports distinctive ring.
