Yealink SIP-T21 User Manual
Yealink Corded Phones
This manual is related to the following products:
Table of contents
Document Outline
- About This Guide
- Table of Contents
- Overview
- Getting Started
- Customizing Your Phone
- Basic Call Features
- Advanced Phone Features
- Troubleshooting
- Regulatory Notices
- Appendix A - Time Zones
- Index