Yealink user guide
Yealink SIP-T20P & SIP-T20 User Guide V73 40
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About this user guide
About the SIP-T20P & SIP-T20 User Guide V73 40
Yealink's user guide for the Yealink SIP-T20P, covering everyday calling, contacts, voicemail and phone settings (132 pages). This copy, last updated by Yealink on October 24, 2025, and you can read it right here or download it.
The SIP-T20P 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-T20P is end of life. Support options, dates and replacementsWhat’s inside
- About This Guide
- 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 72.25
- Changes for Release 72, Guide Version 72.1
- Changes for Release 71, Guide Version 71.165
- Changes for Release 71, Guide Version 71.140
- Changes for Release 71, Guide Version 71.125
- Changes for Release 71, Guide Version 71.110
- Changes for Release 70, Guide Version 70
- Overview
- Hardware Component Instructions
- Icon Instructions
- LED Instructions
- User Interfaces
- Phone User Interface
- Web User Interface
- Documentations
- Getting Started
- Packaging Contents
- Optional Accessories
- Phone Installation
- Phone Initialization
- Phone Status
- Basic Network Settings
- Registration
- Idle Screen
- Customizing Your Phone
- General Settings
- Language
- Time & Date
- Administrator Password
- Key as Send
- Phone Lock
- Audio Settings
- Volume
- Ring Tones
- Contact Management
Phones covered
Yealink phones this user guide covers
Related
More Yealink user guides
- PDFYealink T2 Series IP Phones User Guide V86.15DownloadUpdated Oct 24, 2025SIP-T20P
FAQ
Questions about this document
Quick answers, and The Tech Team™ is a call away if you need more.
Need help with your SIP-T20P?
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.