Hybrex DK2-21
The Hybrex DK2-21 is the only phone in the series
Originally available only in ivory, then later in charcoal, then backlit, then only in Charcoal with backlight.
The DK2-21 was also available in a rare 2.4GHz wireless headset version which has since been discontinued
The DK2-21 is still available in a bluetooth version which appears identical to the displayed model
The DK2 series featured a 4 line display while most others featured 2 line displays, the exact functionality of the bottom two rows depends on the age of the firmware installed.
The DK2-21 series appeared with the GDS and as such was designed around the 160-640 port designs the GDS was capable of
Hybrex DK2-DSS
the matching DSS console for the DK2 series handsets. this is also the model used for the DK3 series handsets. it offers 66 DSS keys and is laid out in the same design as the DK2 DSS layout.
All of these HYBREX phones can be used on the NBN