SNOM-A230 USB DECT Dongle, Suitable For All Snom D7XX- and D3XX- series Desk Phones With USB Port, No configuration necessarySnom SNOM A230 USB DECT Dongle for All Snom D7XX and D3XX series desk phones with USB port. lexible communication with hands free calling and a straightforward conferencing solution are often essential in everyday office life. The Snom A230 DECT Dongle extends your Snom desk phone (with USB connection) on the one hand with the option to connect the Snom A150 headset (which comes with the Snom A230 DECT Dongle), on the other hand it extends, in