HP J5780 User Guide - Macintosh - Page 232
Dial Tone Detection Test, Cause, I am having problems faxing over the Internet using IP phone
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Chapter 11 1-LINE on the back of the HP All-in-One. For more information, see Set up the HP All-in-One for faxing. 1 Telephone wall jack 2 Use the phone cord supplied in the box with the HP All-in-One • If you are using a phone splitter, this can cause faxing problems. (A splitter is a two-cord connector that plugs into a telephone wall jack.) Try removing the splitter and connecting the HP All-in-One directly to the telephone wall jack. • If your telephone system is not using a standard dial tone, such as some PBX systems, this might cause the test to fail. This will not cause a problem sending or receiving faxes. Try sending or receiving a test fax. • Check to make sure the country/region setting is set appropriately for your country/region. If the country/region setting is not set or is set incorrectly, the test might fail and you might have problems sending and receiving faxes. • Make sure you connect the HP All-in-One to an analog phone line or you will not be able to send or receive faxes. To check if your phone line is digital, connect a regular analog phone to the line and listen for a dial tone. If you do not hear a normal sounding dial tone, it might be a phone line set up for digital phones. Connect the HP All-in-One to an analog phone line and try sending or receiving a fax. After you resolve any problems found, run the fax test again to make sure it passes and the HP All-in-One is ready for faxing. If the Dial Tone Detection Test continues to fail, contact your telephone company and have them check the phone line. I am having problems faxing over the Internet using IP phone Cause: The fax over Internet Protocol (FoIP) service might not work properly when the HP All-in-One is sending and receiving faxes at high speed (33600 bps). 230 Troubleshooting