Lexmark MX931 MFP User Manual page 207

Use printer menus
Menu item
Enable Line In Wrong Jack
Detection
Off
On*
Enable Extension in Use
Support
Off
On*
Optimize Fax Compatibility
Fax Transport
T.38
Analog
G.711
etherFAX
Note: An asterisk (*) next to a value indicates the factory default setting.
HTTPS Fax Settings
Note: This menu appears only if Fax Transport is set to etherFAX.
Menu item
HTTPS service URL
HTTPS Proxy
HTTPS Proxy User
HTTPS Proxy Password
Fax Send Encryption
Disabled
Enabled*
Required
Fax Receive Encryption
Disabled
Enabled*
Required
HTTPS Fax Status
Note: An asterisk (*) next to a value indicates the factory default setting.
Description
Determine whether a telephone line is connected to the correct port on the
printer.
Note: Detection of events is instantaneous.
Determine whether a telephone line is used by another device, such as another
phone on the same line.
Note: Detection of events is instantaneous.
Configure the printer fax functionality for optimal compatibility with other fax
machines.
Set the fax transport method.
Note: This menu item appears only if an etherFAX or Fax over IP (FoIP) license
bundle is installed in the printer.
Description
Specify the etherFAX service URL.
Specify a proxy server URL.
Specify the user name and password for the proxy server.
Enable encryption for outgoing fax messages.
Enable encryption for incoming fax messages.
Show the etherFAX communication status.
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