Both the 8845 and the 8865 work the same way. The 8865 adds USB ports for a headset.
To learn more about the 8845, go here.
To learn more about the 8865, go here.
8845/65 Phone Quick Start Guide - Knowledgebase / Phones & Conferencing / Telephones / Cisco 8800 Series - OIT Service Center
8845/65 Phone Quick Start Guide
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- Last updated: Apr 23, 2019 by Stephanie Obodda