Yealink administrator guide
Yealink SIP-T2xP IP Phones Administrator Guide V73 40
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About this administrator guide
About the SIP-T2xP IP Phones Administrator Guide V73 40
The administrator guide for the Yealink SIP-T28P: configuration, provisioning, security and feature setup (589 pages). This copy, last updated by Yealink on October 24, 2025, and you can read it right here or download it.
The SIP-T28P has been discontinued by Yealink, but it's still widely used, and this document is still the reference for setting it up. The Tech Team™ supports end-of-life Yealink phones and can help you plan a replacement when you're ready.
SIP-T28P is end of life. Support options, dates and replacementsWhat’s inside
- About This Guide
- Documentations
- In This Guide
- Summary of Changes
- Changes for Release 73, Guide Version 73.40
- Changes for Release 73, Guide Version 73.16
- Changes for Release 72, Guide Version 72.26
- Changes for Release 72, Guide Version 72.25
- Changes for Release 72, Guide Version 72.1
- Changes for Release 71, Guide Version 71.165
- Changes for Release 71, Guide Version 71.141
- Changes for Release 71, Guide Version 71.140
- Changes for Release 71, Guide Version 71.125
- Changes for Release 71, Guide Version 71.120
- Changes for Release 71, Guide Version 71.110
- Changes for Release 70, Guide Version 70
- Changes for Release 70, Guide Version 2.0
- Product Overview
- VoIP Principle
- SIP Components
- SIP IP Phone Models
- Physical Features of IP Phones
- Key Features of IP Phones
- Getting Started
- Connecting the IP Phones
- Initialization Process Overview
- Verifying Startup
- Reading Icons
- Configuration Methods
- Phone User Interface
- Web User Interface
- Configuration Files
- Provisioning Server
- Supported Provisioning Protocols
- Setting up the Provisioning Server
- Deploying Phones from the Provisioning Server
- Configuring Basic Network Parameters
- DHCP
- Configuring Network Parameters Manually
- PPPoE
Phones covered
Yealink phones this administrator guide covers
Related
More Yealink admin guides
FAQ
Questions about this document
Quick answers, and The Tech Team™ is a call away if you need more.
Need help with your SIP-T28P?
The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.
Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.