![](http://pdfasset.owneriq.net/e/04/e0429ae6-243e-4c21-ac31-fefea812c244/e0429ae6-243e-4c21-ac31-fefea812c244-bgc.png)
12
1 Ensure Microsoft Lync/Office Communicator is running on your PC.
2
Reconnect USB cable to inline controller and the PC if disconnected.
3 Confirm the speaker and microphone settings for your PC softphone are set to Plantronics
Blackwire C710M/C720M as shown below:
PC audio setup for Windows 7 (To reach this screen: Control Panel > Sound)
Default Setting: All PC sounds and audio is played in the headset.
PC audio setup for Windows XP (To reach this screen: Start > Control Panel> Sound and Audio Devices)
Blackwire C7xx
Blackwire C7xx
Blackwire C7xx
Blackwire C7xx
Default Setting: All PC sounds and audio is played in the headset.
Use your headset with Microsoft Lync
®
/Office Communicator