This headset is replacing the Plantronics CS55.
Plantronics headsets are designed to be compatible with nearly every phone and phone system. Some models will require an adapter or connection cable to work with various phone models.
Check Compatibility and Adapter Requirements Here
If you'd like additional assistance checking the compatibility of your phone or phone system, please call us at (800) 882-7779, or e-mail firstname.lastname@example.org.
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