Huawei eSpace IAD - Default Chapter; Table of Contents

eSpace IAD
Troubleshooting
Contents
Issue 02 (2012-02-29)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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Contents
About This Document..................................................................................................................... 1
1 Overview......................................................................................................................................... 2
1.1 Fault Level ..........................................................................................................................................................................2
1.2 Precautions ..........................................................................................................................................................................3
1.3 Troubleshooting Process...................................................................................................................................................3
1.3.1 Collecting Fault Information .................................................................................................................................4
1.3.2 Determining the Fault Category............................................................................................................................6
1.3.3 Locating and Rectifying a Fault............................................................................................................................6
1.3.4 Verifying Fault Rectification .................................................................................................................................6
1.3.5 Contacting Technical Support ...............................................................................................................................6
1.3.6 Compiling a Troubleshooting Report...................................................................................................................7
2 Analyzing and Rectifying Faults ............................................................................................... 8
2.1 Call Faults ...........................................................................................................................................................................8
2.1.1 IAD Phone One-Way Audio Caused by the Defense Against UDP Flood Attacks......................................8
2.1.2 Voice Tremble Occurs During IAD Calls............................................................................................................9
2.1.3 Busy Tone When Picking Up or Dialing a Number ........................................................................................10
2.1.4 Phones Connected to the IAD Can Ring but Nothing Is Heard After Pickup.............................................12
2.1.5 Phones Connected to IAD Cannot Make Calls to Fixed-Line Phones in a Specified Province ..............12
2.1.6 A User Cannot Hear Other's Voice on the Phone Connected to IAD After 5 to 10 Minutes ....................14
2.1.7 POTS Phone Users Cannot Hear the Two-Stage Dialing Tone .....................................................................15
2.1.8 000 Is Displayed to UAP3300 Agents for Incoming Calls.............................................................................15
2.1.9 When the IAD Is Connected to the IMS, the Calling Number Cannot Be Correctly Displayed on
Phones that are Connected to the IAD .........................................................................................................................16
2.1.10 Incorrect SessionTimer Setting Causes the Five-Minute Disconnection...................................................17
2.1.11 When a CHINO-E Phone Is Connected to the IAD132E(T), Sometimes the Phone Does Not Ring
Even When the Calling Number Is Displayed............................................................................................................17
2.1.12 Connecting Incoming Calls Through the FXO Port on the IAD Takes as Long as 15 Seconds............18
2.1.13 No Calling Number is Displayed on Phones Connected to the IAD132E(T)...........................................19
2.1.14 Crosstalk Occurs on Phones Connected to the IAD132E(T).......................................................................20
2.1.15 What should I do if the indicator of a phone is off when the phone is picked up? ..................................21
2.1.16 A Phone Connected to the IAD Does Not Ring for Incoming Calls ..........................................................22
2.1.17 When IAD Users Make Outgoing Calls Using the IMS, the Connection Rate Is Only 10%.................22