HP 4620, 4622 manual Fax and digital phone services

Set up and use fax

Fax and digital phone services

Many telephone companies provide their customers with digital phone services, such as the following:

•DSL: A Digital subscriber line (DSL) service through your telephone company. (DSL might be called ADSL in your country/region.)

•PBX: A private branch exchange (PBX) phone system

•ISDN: An integrated services digital network (ISDN) system.

•FoIP: A low-cost phone service that allows you to send and receive faxes with your printer by using the Internet. This method is called Fax over Internet Protocol (FoIP). For more information, see the user guide.

HP printers are designed specifically for use with traditional analog phone services. If you are in a digital phone environment (such as DSL/ADSL, PBX, or ISDN), you might need to use digital-to-analog filters or converters when setting up the printer for faxing.

Note: HP does not guarantee that the printer will be compatible with all digital service lines or providers, in all digital environments, or with all digital-to-analog converters. Contact your telephone company to determine which setup options are available for their line services.

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