Faxing via Max 400 series
 

You can use your Max400 series unit to send (long distance) faxes, so long as your broadband Internet connection meets certain minimum standards for latency and packet loss.

N2P stipulates the ideal parameters as 2% packet loss and 300 ms of latency.

If you are unable to send faxes or the fax quality is poor, check packet loss and latency to determine if they exceed these parameters.

If this is all fine and you still have trouble faxing – either the fax quality is poor or are not able to fax at all, check to see which firmware version is in your Max unit. If you are using a firmware version older than 1.5.30, you may have the Fax Only field for one or more ports set to YES (Y).

If you upgraded the firmware, with this setting on, the setting will not be cleared, causing the fax/voice calls to be forced to the overseas gateway in N2P voice format and the fax calls from that port will fail.

To ensure that the faxes are transmitted using the T.38 fax protocol on the Net2Phone network, you must clear this setting.

o To clear the setting before upgrading, connect to the Max Web Manager, view the Account Configuration page, and click the N radio button in the Fax Only column.

o To clear the setting after the upgrade, use Telnet or HyperTerminal to connect to the Max and make the change