About This Guide7About This GuideThank you for choosing the CP920 IP conference phone, which is exquisitely designed for small and medium-sized con-ference room, meeting for 10 people below. This conference phone provides business telephony features, such as CallHold, Call Transfer, Call and Conference Recording, Multicast Paging and five-way Conference over an IP network.This guide provides everything you need to quickly use your new phone. Firstly, verify with your system administratorthat the IP network is ready for phone configuration. Also be sure to read the Quick Start Guide which can be found inyour phone package before you set up and use the IP phone. As you read this guide, keep in mind that some featuresare only configurable by your system administrator or determined by your phone environment. As a result, some fea-tures may not be enabled or may be operated differently on your phone. Additionally, the examples and graphics inthis guide may not directly reflect what is displayed or is available on your phone screen.Read theYealink Products Regulatory Notices guide for all regulatory and safety guidance.Related DocumentationYou can obtain additional information for CP920 on the Yealink support page.The following types of related documents are available on each support page:l Release Notes, which details bug fixes and feature enhancements when an update is released.l Quick Start Guide, which describes how to assemble your phone and configure the basic phone features.l Administrator Guide, which provides the detailed information on how to configure phone features for system admin-istrator.l Regulatory Notice, which provides information about all regulatory and safety guidance.In This GuideChapters 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 Maintaining Your Phonel Chapter 10 Appendix - Menu Structure