The gigaset s810a trio is everything you have been looking for it offers best in class hands free calling the bluetooth connection allows you to add a wireless headset for easier multitasking bluetooth also enables you to transfer contacts from your pc or other external device onto the gigaset s810a trio with a single click the hands free mode also means you can use the gigaset s810a trio for effective high quality conference calling and the intuitive answering machine gives you up to 55