Table of Contents
eSpace IAD
V300R001C07
Troubleshooting
Issue
02
Date
2012-02-29
HUAWEI TECHNOLOGIES CO., LTD.
Table of Contents
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Summary of Contents for Huawei eSpace IAD

  • Page 1 IAD V300R001C07 Troubleshooting Issue Date 2012-02-29 HUAWEI TECHNOLOGIES CO., LTD.
  • Page 2 Notice The purchased products, services and feat ures are stipulated by the contract made bet ween Huawei and the customer. All or part of the products, services and features described in this document may not be within the purchas e scope or the usage scope. Unless otherwis e specified in the contract, all statements, information, and recommendations in this document are provided "AS IS"...
  • Page 3: Table Of Contents

    2.1.16 A Phone Connected to the IAD Does Not Ring fo r Inco ming Calls ............22 2.1.17 When IAD Users Make Outgoing Calls Using the IMS, the Con nection Rate Is Only 10% ....22 Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 4 2.3.17 Two Cascaded IAD132E(T)s Cannot Ping Each Other ................52 2.3.18 Multip le IA Ds Connected to the Same ONU/ONT Cannot Ping Each Other ..........53 2.3.19 IAD Cannot Register with the SoftX3000 ......................53 Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 5 4.2.8 How do I set the VLAN prio rity on the IAD ....................103 4.2.9 How do I set the fax function on the IAD ...................... 103 4.2.10 Ho w do I enable the pulse dialing function ....................104 Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 6: About This Document

    About This Document This topic describes the flows, the methods for troubleshooting typical faults of the eSpace Integrated Access Device(IAD) and how to analyze and rectify faults. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 7: Overview

    Emergency Restore the service that has Contact Huawei technical been affected as soon as support for help. possible, and then find the root cause of the fault. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 8: Precautions

    1.3 Troubleshooting Process This topic describes the IAD troubleshooting process. The IAD troubleshooting process involves collecting fault information, rectifying faults, verifying fault rectification, compiling troubleshooting reports, and obtaining Huawei technical support. Figure 1-1 shows the troubleshooting flowchart. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright ©...
  • Page 9: Collecting Fault Information

    1.3.1 Collecting Fault Information Detailed fault description helps to quickly locate faults. The scenario information, networking information, and system information must be collected when a fault occurs. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 10 Table 1-2. The procedure is as follows: Log in to the web management system. For details, see the eSpace IAD Product Documentation. Choose Diagnose > System Information from the navigation tree on the left. The system information page is displayed.
  • Page 11: Determining The Fault Category

    Latest 10 alarms. To view more alarm information, view downloaded files. For details about how to query other system information, see the eSpace IAD Product Documentation. 1.3.2 Determining the Fault Category Upon receiving fault information, determine whether the fault is an emergency fault. If the fault is emergent, contact Huawei technical support.
  • Page 12: Compiling A Troubleshooting Report

    After verifying that a fault is rectified, record the fault rectification process and compile a troubleshooting report for future reference. The troubleshooting report should include: fault symptom, fault location, fault rectification, and preventive suggestions. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 13: Analyzing And Rectifying Faults

    The packets from the IAD are normal; however, packet loss occurs during the transmission between the SBC and the UMG. The defense against UDP Flood attacks is enabled for the Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 14: Oice Tremble Occurs During Iad Calls

    Step 4 Check whether the fault is rectified.  If yes, the procedure ends.  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.1.2 Voice Tremble Occurs During IAD Calls Symptom V oice tremble occurs during IAD calls. Cause ...
  • Page 15: Busy Tone When Picking Up Or Dialing A Number

    − If the IP address or domain name of the MGC (registration server) is not configured, run the mgcp mgcindexaddressipaddress command to configure the information. For Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 16  If yes, the IAD is not faulty.  If no, go to Step Step 12 Contact Huawei technical support. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 17: Phones Connected To The Iad Can Ring But Nothing Is Heard After Pickup

    If yes, change the T38 mode to transparent transmission mode for the softswitch.  If no, go to Step Step 3 Contact Huawei technical support. ----End 2.1.5 Phones Connected to IAD Cannot Make Calls to Fixed-Line Phones in a Specified Province...
  • Page 18 12 digits, only 11 digits of the called number are reported. Therefore, an incorrect number is reported. Check whether the digitmap is correct.  If no, modify the digitmap configuration on the softswitch.  If yes, go to Step Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 19: A User Cannot Hear Other's Voice On The Phone Connected To Iad After 5 To 10 Minutes

    Troubleshooting 2 Analy zing and Rectify ing Faults Figure 2-2 Digitmap delivered by the softswitch using MGCP Step 6 Contact Huawei technical support. ----End 2.1.6 A User Cannot Hear Other's Voice on the Phone Connected to IAD After 5 to 10 Minutes...
  • Page 20: Pots Phone Users Cannot Hear The Two-Stage Dialing Tone

    If no, upgrade the IAD version to the latest version. For details, see IAD upgrade guide.  If yes, go to Step Step 4 Contact Huawei technical support. ----End 2.1.8 000 Is Displayed to UAP3300 Agents for Incoming Calls Symptom The PSTN analog trunk is connected to the FXO port on the OSU board of the IAD132E(T).
  • Page 21: When The Iad Is Connected To The Ims, The Calling Number Cannot Be Correctly Displayed On Phones That Are Connected To The Iad

    If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.1.9 When the IAD Is Connected to the IMS, the Calling Number Cannot Be Correctly Displayed on Phones that are Connected to...
  • Page 22: Incorrect Sessiontimer Setting Causes The Five-Minute Disconnection

     If yes, run the sip soft-parameter clip-mode From command to set clip-mode to From.  If no, go to Step Step 2 Contact Huawei technical support. ----End 2.1.10 Incorrect SessionTimer Setting Causes the Five-Minute Disconnection Symptom When the IAD132E(T) is connected to the SoftX3000 using SIP, every call is disconnected after five minutes.
  • Page 23: Connecting Incoming Calls Through The Fxo Port On The Iad Takes As Long As 15 Seconds

    If yes, go to Step  If no, replace the board with an ASID board. Step 5 Contact Huawei technical support. ----End 2.1.12 Connecting Incoming Calls Through the FXO Port on the IAD Takes as Long as 15 Seconds Symptom...
  • Page 24: No Calling Number Is Displayed On Phones Connected To The Iad132E(T)

    IAD Troubleshooting 2 Analy zing and Rectify ing Faults Step 4 Contact Huawei technical support. ----End 2.1.13 No Calling Number is Displayed on Phones Connected to the IAD132E(T) Symptom When a PSTN user makes a call to an intra-office user through the FXO port on the IAD132E(T), the calling number is not displayed to the intra-office user.
  • Page 25: Crosstalk Occurs On Phones Connected To The Iad132E(T)

    If no, check whether the calling side sends the calling number. No calling number is displayed on phones connected to the FXS port if the number is not sent. Step 6 Contact Huawei technical support. ----End 2.1.14 Crosstalk Occurs on Phones Connected to the IAD132E(T) Symptom The calls made from outer-office numbers to intra-office numbers can be connected properly.
  • Page 26: What Should I Do If The Indicator Of A Phone Is Off When The Phone Is Picked Up

    IAD101/102H: 5V DC (using the power adapter to convert 100-240 V AC to 5 V DC)  If yes, go to Step  If no, select the correct power supply. Step 6 Contact Huawei technical support engineers. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 27: A Phone Connected To The Iad Does Not Ring For Incoming Calls

    If yes, connect the PC or cascaded switch to the upstream switch, because PCs or data communication devices cannot be directly connected to the IAD.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.1.17 When IAD Users Make Outgoing Calls Using the IMS, the Connection Rate Is Only 10% Symptom When IAD users under the SoftCo make outgoing calls using the IMS, the connection rate is only 10%.
  • Page 28: When The Iad Is Connected To The Ims, Users Cannot Make Calls To Each Other

     If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.1.18 When the IAD Is Connected to the IMS, Users Cannot Make Calls to Each Other Symptom When the IAD is connected to the IMS, users cannot make calls to each other.
  • Page 29: When The Iad Is Directly Connected To The Ims, Blind Transfer Or Transfer Upon Inquiry Failed

    If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.1.20 Calls Between IAD Users Are Disconnected Sometimes Symptom A SoftCo9500 and 23 IADs are connected to the external network through the PRA trunk.
  • Page 30: One-Way Voice

     If yes, the procedure ends.  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.1.21 One-Way Voice Symptom When making calls through the IAD, the calling party or the called party cannot hear any voice.
  • Page 31: No Voice

    If yes, go to Step  If no, the local device cannot hear the voice from the peer device. Check the peer device. Step 7 Contact Huawei technical support. ----End 2.1.22 No Voice Symptom The calling parties cannot hear each other.
  • Page 32: Phones Connected To The Iad Cannot Make Calls To Nu Mbers Starting With 800

    If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.1.24 No Prompt Tone Can Be Heard When a Phone Connected to the IAD Is Picked Up; When a User Dials the Number of the...
  • Page 33: Iad Registration Is Successful, But Intra-Office Calls Failed

     If yes, the IAD board is faulty. Replace the IAD board.  If no, go to Step Step 3 Contact Huawei technical support. ----End 2.1.25 IAD Registration Is Successful, but Intra-Office Calls Failed Symptom IAD registration is successful, but Intra-Office calls failed.
  • Page 34: How To Deal With Slow Call Setup

    If the problem is resolved, the procedure ends.  If the problem persists, go to Step Step 4 Contact Huawei technical support engineers. ----End 2.1.27 How to deal with slow call setup? Symptom It takes a long time to set up calls initiated by phones connected to an IAD.
  • Page 35: Voice Intermittence

    The possible causes are as follows:  The same IP address has been configured for MG domain names on the softswitch.  Signaling delivered by the softswitch is abnormal. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 36: Fax And Modem Faults

    If the signaling is normal, go to Step  If the signaling is abnormal, check the softswitch. Step 3 Contact Huawei technical support engineers. ----End 2.2 Fax and Modem Faults 2.2.1 Faxes Can Be Received but Cannot Be Sent Symptom A fax machine connected to the IAD can receive but cannot send faxes.
  • Page 37: Iad Fails To Send Faxes To Zte Softswitches

    Cause By default, the T30 mode is configured on ZTE softswitches for ZTE IADs that use the H248 protocol. When Huawei IADs send or receive faxes using MGCP, the softswitch cannot recognize all information and the faxing fails. Proprietary protocols are used to send heartbeat messages for devices of all manufacturers, and therefore 522 message will be displayed.
  • Page 38: Fax Machines Connected To The Counter Work Improperly

    Select a package from the IPFAX drop-down list box, and add the package. Step 5 Run the #mgcp soft-parameter fax-mode 711v2 mgc-type zte command to configure the faxing mode on the IAD. Step 6 If the fault persists after you perform the preceding operations, contact Huawei technical support. ----End 2.2.3 Fax Machines Connected to the Counter Work Improperly...
  • Page 39: Fax Machines Connected To The Iad Cannot Send Or Receive Faxes

    If yes, exceptions occur on the cable between the counter and the fax machine. You can connect the cable again.  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.2.4 FAX Machines Connected to the IAD Cannot Send or Receive Faxes Symptom Fax machines connected to the IAD cannot send or receive faxes.
  • Page 40 Performance Performance in a Good in a Poor in a Bad Network Network Network Modem Transfer Proved Failed Failed Transfer Proved Failed Failed T.38 Proved Proved Failed Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 41 If yes, contact the core network management personnel to find out the time when the echo is generated.  If no, go to Step Step 9 Contact Huawei technical support. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 42: How To Transfer Remote Faxes

    If yes, the procedure ends.  If yes, go to Step Step 4 Contact Huawei technical support engineers. ----End 2.2.6 Modem Dialing Failure Symptom Users on the IAD fail to dial up to the network (or dial the opposite modem).
  • Page 43: Other Faults

    Solution Ensure that the configuration of the softswitch of the user is correct. For example, for Huawei softswitch SoftX3000, deselect the no fax / no modem option in the gateway property. You can shorten the duration of the V21 timer (scope: 0s to 30s) based on the site requirements.
  • Page 44: Port Indicator Is Off

    If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.3.2 Port Indicator Is Off Symptom The LINK indicator of a port of the IAD is off after the network cable is connected.
  • Page 45: Network Connection Failure

    Run the display monitor-port command to check whether the uplink port or the port used for cascading connections be set as the destination mirrored port. If yes, run the undo monitor command to cancel the configuration. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 46: Loading Or Backing Up File Failure

    IAD command line. If the file is loaded or backed up through the FTP server, when running the load or backup command, ensure the FTP user name and password are correct. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 47: Pppoe Dialing Failure

    PPPoE server. If you try to dial a number before the account times out and drops offline, the dial fails. You can wait for a few minutes before redial the number. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 48: Pcs Connected To The Iad101H/102H/104H Cannot Access The Network

    Step 5 Check whether the fault is rectified.  If yes, the procedure ends.  If no, go to Step Step 6 Contact Huawei technical support. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 49: Iad Cannot Register With The Ucems After Startup

    Step 5 Check whether the fault is rectified.  If yes, the procedure ends.  If yes, go to Step Step 6 Contact Huawei technical support. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 50: Iad208 Restarts Continually

     If no, connect a splitter to the IAD.  If yes, go to Step Step 4 Contact Huawei technical support. ----End 2.3.9 Frequent MG Disconnection Alarm Symptom The MG disconnection alarm is generated frequently. The registration status changes between Normal and Fault frequently.
  • Page 51 Step 8 Check whether MAC addresses conflict.  If yes, change the IAD MAC address.  If no, go to Step Step 9 Contact Huawei technical support. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 52: When The Iad Is Connected To The Local Pstn Network Through The Fxo Port, An Incorrect Id That Is Bound To The Fxo Port Causes Incoming Call Exceptions

     If yes, the procedure ends.  If no, go to Step Step 4 Contact Huawei technical support. ----End 2.3.11 How to Configure the VLAN Data on the IAD208 of the V300R001C03SPC800 Version Symptom This section describes how to configure the VLAN data on the IAD208 of the V300R001C03SPC800 version to separate voice from data.
  • Page 53: Iad Cannot Register With Zte Ims Using Sip

    If the VLAN is not configured on the upstream switch, you do not need to configure the VLAN data on the IAD. Step 3 If the fault persists after you perform the preceding operations, contact Huawei technical support engineers.
  • Page 54: Iad Cannot Register With The Softswitch Using Mgcp

    Step 2 Check whether the fault is rectified.  If yes, the procedure ends.  If no, go to Step Step 3 Contact Huawei technical support. ----End 2.3.13 IAD Cannot Register with the Softswitch Using MGCP Symptom The IAD cannot register with the softswitch using MGCP. Cause The possible causes are as follows: ...
  • Page 55: Card Swiping Process Takes Long Time On The Pos Device Connected To The Iad208E(M)

    IAD Troubleshooting 2 Analy zing and Rectify ing Faults  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.3.14 Card Swiping Process Takes Long Time on the POS Device Connected to the IAD208E(M) Symptom Network: POS-IAD208E(M)-SoftCo9500-SBC-IMS The point of sale (POS) device connected to the IAD takes 30 to 40 seconds to complete the card swiping process.
  • Page 56: Why Outgoing Calls Cannot Be Made When The Iad Connects To The Ims

     If the local switch is disabled, go to Step Step 4 Contact Huawei technical support engineers. ----End 2.3.16 Why outgoing calls cannot be made when the IAD connects to the IMS? Symptom IAD users cannot make calls through the IMS.
  • Page 57: Two Cascaded Iad132E(T)S Cannot Ping Each Other

    Step 4 Check whether the fault is rectified.  If yes, the procedure ends.  If yes, go to Step Step 5 Contact Huawei technical support engineers. ----End 2.3.17 Two Cascaded IAD132E(T)s Cannot Ping Each Other Symptom Two cascaded IAD132E(T)s cannot ping each other. Cause The possible causes are as follows: ...
  • Page 58: Multiple Iads Connected To The Same Onu/Ont Cannot Ping Each Other

    Step 4 Check whether the fault is rectified.  If yes, the procedure ends.  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.3.19 IAD Cannot Register with the SoftX3000 Symptom The IAD cannot register with the SoftX3000. Cause The possible causes are as follows: ...
  • Page 59: Port On The Iad208E(M) Is Locked

    Step 7 Check whether the fault is rectified.  If yes, the procedure ends.  If no, go to Step Step 8 Contact Huawei technical support. ----End 2.3.20 Port on the IAD208E(M) Is Locked Symptom A port on the IAD is locked. Cause The possible causes are as follows: ...
  • Page 60: Two Iads On The Same Vlan Cannot Ping Each Other, And The Phone Does Not Ring When A User Under One Iad Makes A Call To Another User Under The Other Iad

    If no, replace the user line.  If yes, go to Step Step 5 Contact Huawei technical support. ----End 2.3.21 Two IADs on the Same VLAN Cannot Ping Each Other, and the Phone Does Not Ring When a User Under One IAD Makes a...
  • Page 61: Unable To Run Commands

    If yes, the procedure ends.  If no, go to Step Step 5 Contact Huawei technical support. ----End 2.3.22 Unable to Run Commands Symptom The commands can be entered but cannot be run. Whenever a command is run, a message is displayed indicating that the system is busy and the command cannot be run.
  • Page 62: Start Slowness Or Failure

    DNS.*/ domainName /*Domain name*/ iadms.com get community : ******** set community : ******** trap community : ******** trap port : 162 nms access value: Disable Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 63: Iad Restarts For No Reason

    IP address of the FTP server is correct. If the fault still exists with the preceding factors excluded, the fault may be caused by system exceptions. Contact Huawei technical support. For details, see 1.3.5 Contacting Technical Support.
  • Page 64 If the software versions are the same, the current version on the host is the latest version and upgrade is not required. You can run the display version command to view the device version. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 65: Common Troubleshooting Methods

    You can run the trace command to trace all messages transferred between the IAD and upper-level devices (SoftSwitch, IMS, and SIP server) and locate the signaling-related issues quickly. Analyzing Packets Captured by Wireshark Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 66: Observing Device Indicators

    PHON Green Voice Blinking (0.25s on Indicates that the phone of the E 1 - phone and 0.25s off) corresponding port is ringing. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 67 2. Run the display alarm history all command to view the alarm information. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 68 − connected to the port. 3. Check the network cable and replace the damaged cables. 4. If the indicator is still off, see troubleshoot ing guide. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 69 IAD Troubleshooting 3 Co mmon Troubleshooting Methods Indicator Name Abnormal Fault Type Cause and Rectification Status Method − − Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 70 Steady on System The IAD cannot start or off fault: The properly and needs to be when the Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 71 IAD does not the device (Do ator respond or the not turn off the serial port is power; faulty. otherwise, the Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 72 Off when the IAD Call fault If the AC power Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 73: Collecting System Information (Web)

    When the IAD restarts upon power outage, the original call failure records are lost. Web Mode Choose Diagnose > Call Records from the navigation bar. The page shown in Figure 3-1 displayed. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 74: Checking The Network Status Automatically

    The IAD is connected to the SIP server through LAN. The IP address of SIP server is 192.163.1.8. Problem description: The registered SIP users become unregistered. The troubleshooting method is as follows:  Web Mode Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 75 Step 5 Choose Maintenance > Network Autocheck from the navigation bar to check the network status. The page shown in Figure 3-4 is displayed. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 76 Step 7 Choose Diagnose > FXS User Registration from the navigation bar to check FXS users' registration status. The page shown in Figure 3-6 is displayed. Figure 3-6 Registration status Figure 3-6 shows that FXS users are registered successfully. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 77 The information indicates that the connection between the standby SIP server and the IAD is restored. Step 6 Rectify the network fault. For details, see the IAD Troubleshooting Guide. Query the alarm information again. The information is as follows: Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 78 : 200 ms digit-map position : remote dial-delay position: remote support no pound : off group id port type : FXS ShortNum ----------------------------------------------------- ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 79: Using The Ping Command

    1. The operation is as follows: TERMINAL>ping 172.21.50.51 PING 172.21.50.51: 56 data bytes, press CTRL_C to break Request time out Request time out Request time out Request time out Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 80: Tracing Route

    By running the tracert command, you can display all the gateways that a test data package goes through from the sending host to the destination. The example for running the tracert command is as follows: Figure 3-8 shows the networking status. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 81: Tracing Signaling

    You can run the trace command to trace all messages transferred between the IAD and upper-level devices (SoftSwitch, IMS, and SIP server) and locate the signaling-related issues quickly. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 82: Analyzing Packets Captured By Wireshark

    Connect the Hub to the WAN interface of the IAD. Connect the Hub to the uplink network by using a LAN switch. Make sure that the three cables are connected, as shown in Figure 3-9. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 83 For example: TERMINAL(lanswitch)#monitor 1 observing-port 2 Monitor lsw interface succeed After configuring the port, port 2 can capture packets of port 1. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 84 Capturing packets by using the mirror port on the switch Connect the PC and the IAD to the same switch. The networking scheme is shown in Figure 3-11. Figure 3-11 Networking example 3 Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 85 Only one port can be set to the monitoring port on a switch. This port cannot monitor itself. The method for setting mirror ports on switches varies according to the switch type. Huawei Quidway S3000 is used as an example.
  • Page 86 10.166.49.255, and then click OK. Only the packets whose destination IP address is 10.166.49.255 are displayed on the main page of Wireshark, as shown in Figure 3-14. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 87 Voice Call Control Maintenance Through Telnet Telnet RTCP MGCP Step 5 Choose File > File Save as to save the packet file in a specified folder. ----End Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 88 Select a call based on the calling number and called number, as shown in Figure 3-16. Figure 3-16 Selecting the number of calls Click Flow. The SIP signaling flow for the call is displayed, as shown in Figure 3-17. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 89 Choose Telephony > RTP > Show All Streams, as shown in Figure 3-18. Figure 3-18 Selecting all RTP packets Select the data to analyze, as shown in Figure 3-19. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 90: Capturing The Network Packets Remotely

    IAD to capture data flow that interact with the IAD, according to certain users and the direction of data. Example Network Diagram Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 91 IAD Troubleshooting 3 Co mmon Troubleshooting Methods Procedure Double-click to run the capture tool. The page is displayed, as shown in Figure 3-21. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 92 When the size of the file that recvTool captured reaches 30 M B, the tool will create a file and save it, and then continue capturing flow. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 93 NOTE When the VLAN ID of the VLAN where the remote server locates is different from the VLAN ID of the SNMP packets, perform this operation. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 94: Bad At0 Grounding

    3-22. The cross-sectional area of the PGND cable must not be less than 4 mm , and the PGND cable should be as short as possible. Do not wind the cable. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 95 AC power supply. Use the three-core cable with PGND cable as the power cable for the device. Figure 3-23 Grounding diagram when the PE line of the AC power supply is used as the ground cable Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 96 The metal device parts that are neutral in normal conditions must be grounded for protection. The ground cable must be connected properly to the protection ground bar of the equipment room. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 97 20 kA. The protection ground for power supply and that for devices share the same Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 98 The ground leading cannot be arranged parallel to the signal cable, and crossover is not allowed. The ground cable cannot be led in aerially, but buried in the earth globally or Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 99: At0 Ground Impedance Test

    (generally a ground electrode in the earth) to discharge the system of current. The ground system includes the ground electrode and ground cables. Ground Types  PGND Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 100 Normally, the PGND and working ground impedance of devices is less than 4 ohms and the lightning protection ground impedance of high buildings is less than 10 ohms. If the ground Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 101 20 m. Figure 3-26 shows the connection diagram for testing impedance greater than or equal to 1 ohm. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 102 If the pointer shakes, change the handle rotating speed until the pointer becomes stable. Precautions  Place and take the tester carefully and avoid severe shake.  The ground conductor must be disconnected from devices. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 103 No electrolyte is allowed around the test area.  If the tester is highly sensitive, plug the potential probe shallower; if the tester is not sensitive, moisten the probe. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 104: Faqs

    For IAD208E(M), IAD132E(T) and IAD1224, connect a phone to the IAD, and dials *127. The IAD automatically plays an announcement indicating the IP address. For details, see the product document. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 105: How Do I View The Mac Address Of The Iad

    4.1.6 How do I view the system information Q: How do I view the system information? A: For details, see Maintenance > Viewing the System Information in the eSpce IAD Product Documentation. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 106: How Do I View The Elabel Of The Iad

    Run dialog box, and enter the user name root and password (admin by default). − Local serial port mode: For details, see the eSpace IAD Product Documentation. 4.2.2 How Do I Log In to the IAD If I Forget the Password...
  • Page 107: How Do I Restore The Iad To Factory Settings

    4.2.6 How do I set the upper and lower limits of the hookflash duration Q: How do I set the upper and lower limits of the hookflash duration? Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 108: How Do I Change The Protocol Mode

    4.2.9 How do I set the fax function on the IAD Q: How do I set the fax function on the IAD? A: You can set the fax function in either of the following ways: Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.
  • Page 109: How Do I Enable The Pulse Dialing Function

    Port Attribute Configuration > User Port Attribute. The page for setting the PSTN port attributes is displayed. Select a port and click Modify. On the page that is displayed, enable the pulse dialing function and click OK. Issue 02 (2012-02-29) Huawei Proprietary and Confidential Copyright © Huawei Technologies Co., Ltd.

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