Yealink T4 Series IP Phones User Guide12l Wall Mount Installation Guide, which provides detailed instructions for how to use an optional wall mount bracketto mount your phone on the wall.l Administrator Guide, which provides the detailed information on how to configure phone features for system admin-istrator.l Regulatory Notice, which provides information for all regulatory and safety guidance.In This GuideThis guide mainly takes the SIP-T46S IP phone as an example. Chapters in this guide include:l Chapter 1 About This Guidel Chapter 2 Getting Started with Your Phonel Chapter 3 Customizing Your Phonel Chapter 4 Audio Settingsl Chapter 5 Directoryl Chapter 6 Call Historyl Chapter 7 Call Featuresl Chapter 8 Advanced Featuresl Chapter 9 Optional Accessories with Your Phonel Chapter 10 Maintaining Your Phonel Chapter 11 Appendix - Menu Structure