"Flexible communication with hands-free calling and a simple conferencing solution is often essential in everyday office life. On the one hand, the Snom A230 DECT dongle extends your Snom desk phone (with USB connection) with the ability to connect a Snom A150 headset (supplied with the Snom A230 DECT dongle), on the other hand it expands the mix with the Snom C52-SP, all Snom D7xx and D3xx series desk phones have USB connectivity for a flexible conferencing solution in just three steps. And this without any additional technical effort or phone number. Just use your existing Snom desk phone as you normally would. The Snom A230 DECT USB dongle is connected via the existing USB port of the Snom desk phone and now serves as the DECT base."