eSpace 7800&7900 IP Phone
Troubleshooting Cases
About This Document
Issue 01 (2013-12-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
ii
About This Document
Overview
This document describes how to troubleshoot faults that occur on an IP phone from aspects of
fault description, cause analysis, and troubleshooting approaches.
Intended Audience
This document is intended for:
Huawei technical support engineers
Huawei maintenance engineers
Engineers from Huawei channel partners
Enterprise administrators
Change History
Changes between document issues are cumulative. The latest document issue contains all the
changes made in earlier issues.
Issue 01 (2013-12-26)
This issue is used for first office application (FOA).