Key facts
- Brand
- Cisco
- Model
- 11.8
- Category
- Other Computer Accessories
- Industry
- Computers
- Documents
- 2
- Languages
- ZH
- Last added
- 2026-10-24
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Cisco 8811/8841/8851/8861 IP Phone User Guide
This guide provides step‑by‑step instructions for installing and configuring Cisco 8811, 8841, 8851 and 8861 IP phones, including wiring, key functions and power‑saving modes. It also details call handling, advanced features such as conferencing, Bluetooth and USB accessories, and how to customize settings.
Additional sections cover troubleshooting, FCC compliance, safety information, warranty terms and how to access Cisco’s support resources. The manual is intended for users of Cisco Unified Communications Manager 10.5. This manual is written in Chinese.
All Cisco 11.8 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in these manuals
为什么电话上并不能显示所有活动呼叫？
The guide notes that not all active calls are shown on the phone screen, which is a normal behavior of the device.
如何重定向来电？
The manual provides steps to redirect an incoming call using the phone’s soft keys.