Actually use Acer Bluetooth VoIP Phone it is very easy.
Fist ,Install the Bluetooth IVT2.6 Software (2.7 or  similar edition also ok).
* If not Acer laptops, no need install the phone suit CD DISC Driver.

1) Open the IVT2.6 bluetooth software then you can see the window.
(like underside picture )


2）Then open the power supply(right button) at Acer Bluetooth VoIP Phone,press 2-3 seconds till the power supply light(twinkling) and make a sound.

3) Open the Bluetooth (middle button) at Acer Bluetooth VoIP Phone,press 2-3 seconds till the blutooth light(twinkling) and make a sound.

4) Please double-click the orange ball to discovery the bluetooth device ,hold 5-10 seconds can discover the Acer Bluetooth VoIP Phone .
(like underside picture)  
        

5) Next,right-click the bluetooth device,and click the "refresh services",and click the "pair device".
(like underside picture)

6) After click the "Pair device",it will appear a window ,please input the password "4444" (if couldn't appear this window,just click the "pair device "again it will ok )
(like underside picture)

7) Next, right-click the bluetooth device,choose "connect" -> "bluetooth headset service".
(like underside picture)

8) At this time ,you will hear the running sounds from the Acer Bluetooth VoIP Phone,please open the Acer Bluetooth VoIP Phone(the square mic) and the close it ,so the computer and Acer Bluetooth VoIP Phone connect successful now . (from www.rrdn.net)

9) The last step ,open Skype,choose "tool -> options -> Audio setting",all setting change to "bluetooth SCO Audio"(like underside picture ),then you can use Acer Bluetooth VoIP Phone speaking. The MSN,Yahoo,etc. is same change the Audio is ok. Try it as soon as possible.





Acer Bluetooth VoIP Phone (link)

IVT2.6 (31.2M,RAR file，download)