The HT286 has been discontinued. Please consider the HT701 instead.
Grandstream HT286 - Features
The HandyTone-286 is
an award-winning next generation VoIP analog telephone adaptor (ATA)
based on industry open standards. The HT-286 is ultra-compact, has
superb audio quality, rich feature functionality and is interoperable
with the leading 3rd party VoIP providers, and compatibility with most
service providers. The HT-286 is light-weight making it easy to use
while traveling, offers the simplicity of plug and dial, and works with
any PSTN or cordless phone and fax machines. It is ideal for
the road-warrior or the home user.