This document is about the copyright statement and usage restrictions of YEALINK NETWORK TECHNOLOGY CO., LTD. It provides an overview of the product features and characteristics of the company.
This guide covers everything needed to install, configure, and use the Yealink SIP‑T28P IP phone, a business‑grade SIP device with features such as call hold, transfer, busy lamp field, and multicast paging. It includes hardware component details, user interface explanations, and network configuration steps.
The manual is organized into chapters on hardware components, basic and advanced call features, customization options, troubleshooting, and regulatory information, with an appendix of time‑zone settings and a full index for quick reference.
| LCD screen display | Shows call info, icons, time and date |
|---|---|
| Power indicator | LED indicates phone power status |
| Line keys | Supports up to six SIP accounts |