Intellinet Network Solutions 523967 - Manual (Page 69)

WMM (12):
Short for Wi-Fi MultiMedia, it will enhance the data
transfer performance of multimedia contents when
it's being transferred over wireless network. If you
don't know what it is or not sure if you need it, it's
safe to set this option to 'Enable'. The default
setting is 'Disable'.
Click 'Apply' to save the changes.
Click 'Continue' to go back to the previous setup menu and to continue
with the router setup. Click 'Apply' to reboot the router so the settings
will take effect. Please wait for about 30 seconds while the router is
rebooting.