Model CS540
Optimize Your Plantronics Head Set To optimize your Plantronics head set call 1-866-210-2157. This is an automated phone number Sound Test Machine for...
Fri, 13 Apr, 2018 at 11:56 AM
1. Press PROGRAM 2. dial 61 3. Push ENTER 4. Press SEL until it says HEADSET MODE ON 5. Press ENTER
Tue, 4 Dec, 2018 at 10:06 AM