Huawei 7920 - Table of Contents

Contents
Preface................................................................................................................................................ ii
1 Product Positioning and Highlights.......................................................................................... 1
2 Features and Functions.................................................................................................................2
2.1 Multiple Services............................................................................................................................................................2
2.1.1 Audio Call....................................................................................................................................................................2
2.1.2 Phone Features.............................................................................................................................................................2
2.1.3 Features Available for Specific Network Environments............................................................................................. 4
2.1.4 Customized Services....................................................................................................................................................8
2.2 High-Fidelity Voice Quality........................................................................................................................................... 8
2.3 Superb Network Adaptability.........................................................................................................................................8
2.3.1 Multiple Methods for Obtaining IP Addresses............................................................................................................9
2.3.2 QoS.............................................................................................................................................................................. 9
2.4 Quick and Easy Operation..............................................................................................................................................9
2.4.1 Easy Installation.......................................................................................................................................................... 9
2.4.2 Diversified and Easy-to-Use Function Buttons........................................................................................................... 9
2.5 Multiple Auxiliary Ports.................................................................................................................................................9
2.5.1 Headset Port.................................................................................................................................................................9
2.5.2 External PC Port.......................................................................................................................................................... 9
2.6 Enhanced Maintainability.............................................................................................................................................10
2.6.1 Status Query.............................................................................................................................................................. 10
2.6.2 Phone Diagnosis........................................................................................................................................................ 10
2.6.3 Diagnostics................................................................................................................................................................ 10
2.6.4 Local Upgrade........................................................................................................................................................... 10
2.6.5 Automatic Upgrade....................................................................................................................................................10
2.6.6 Terminal Management............................................................................................................................................... 10
2.7 Reliability..................................................................................................................................................................... 10
2.7.1 Multi-Registration..................................................................................................................................................... 10
2.7.2 eSight Redundancy.................................................................................................................................................... 11
2.7.3 Authentication Server Redundancy (Only in EC6.X)............................................................................................... 11
2.7.4 Directory Server Redundancy (Only in EC6.X)........................................................................................................11
2.7.5 NTP Server Redundancy........................................................................................................................................... 11
2.8 Security......................................................................................................................................................................... 11
HUAWEI IP Phone 7920
Product Description Contents
Issue 02 (2019-06-03) Copyright © Huawei Technologies Co., Ltd. iv