Nortel Networks BM450 manual Advanced Troubleshooting

Page 66

66Chapter 5 Advanced Troubleshooting

14Select the Line Monitor tab and verify the status of the line; select the UIP tab and verify the call set up.

Example 6: MeetMe Conferencing commands do not work, or conferencing is busy

Use the following procedure to troubleshoot problems with MeetMe Conferencing.

NN40160-700

Image 66

Contents BCM450 Troubleshooting Guide Copyright 2008 Nortel Networks, All Rights Reserved BCM450 Troubleshooting Guide Task ListTask List NN40160-700Contents Chapter Advanced Troubleshooting ContentsChapter Understanding system messages Chapter Contacting Technical Support Audience IntroductionPurpose OrganizationList of acronyms AcronymsIntroduction Acronym DescriptionIntroduction List of acronyms Symbols and conventions used in this guide Related publications Introduction NN40160-700 Network configuration Initial TroubleshootingProper installation and routine maintenance NavigationNormal behavior on your network Device configuration informationInitial Troubleshooting Logical connectionsInitial Troubleshooting Initial Troubleshooting NN40160-700 Check the power source Hardware TroubleshootingTroubleshooting the BCM450 hardware Check LED indicatorsHardware Troubleshooting System status LEDs states and descriptionsLAN port LED locations Status DescriptionPower Status Description MBM LED descriptionsDTM LED functions Status DescriptionsCheck the wiring connections To verify the keycodes using Element ManagerVerify the keycodes To verify the keycodes using Telset Restart or shut down the systemReset functions To restart the systemFunction Description Impact Power on self test Hardware reset functionsViewing the Post log file Testing basic hardware functionality Example Bootloader.log file with no errorsTo test the main unit To troubleshoot the main unitTo test the expansion unit Testing an MBM To troubleshoot the expansion unitDetermining why an MBM does not appear in Element Manager Troubleshooting the FEMTo determine why the ATA 2 does not function To determine why there is no dial tone at the ATA2 To check the ATA2 wiringReset to factory settings Reset levels Monitoring the boot process To perform a Level 1 reset configuration resetTo perform a Level 2 reset software reset Hardware Troubleshooting Boot process with failed or missing memory Verify the keycodes Software TroubleshootingVerify the software version Check the programming of lines and phonesTo check line programming Software TroubleshootingCheck line programming Trunk/Line dataSoftware Troubleshooting Trunk/Line Data main panel Sheet 2 Software Troubleshooting Trunk/Line Data main panel Sheet 3 PropertiesDia l mode Properties line settings Sheet 1Trunk mode Line must be equipped with disconnect supervision fromSoftware Troubleshooting Properties line settings Sheet 2 SignalingPreferences Preferences details fields for lines Sheet 1 Auto privacyAnswer mode Restrictions RestrictionsTo restore data from an archive Restoring system dataAssigned DNs To restore the factory configuration Select Components to Restore panel opensViewing the inventory of BCM450 software Obtaining software updatesVerify the software inventory To view the BCM450 software inventoryTo obtain updates from the Nortel Technical Support Web Software Troubleshooting NN40160-700 Advanced Troubleshooting Troubleshooting exampleExample 1 Cannot dial out from an analog trunk Advanced Troubleshooting Example 2 Cannot dial out from a SIP or H323 VoIP trunk Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Example 3 IP set is not registering with the BCM450 Troubleshooting example 3a Troubleshooting example 3bAdvanced Troubleshooting Example 5 Cannot dial out from digital trunk Troubleshooting example Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Advanced Troubleshooting Troubleshooting example Select Configuration Resources Telephony Resources Recovery trees System is not processing callsRecovery trees Start-up profile failsCannot access BCM450 through Element Manager Start-up profile failsCannot access BCM450 through Element Manager NN40160-700 Unexpected shutdown BCM450 Troubleshooting Guide BCM450 shuts down unexpectedlyRecovery trees NN40160-700 Downloading software from the BCM450 webpage Application User Administrator User ApplicationsDownloading Software Applications available on BCM450 webTo download software from the BCM450 webpage Downloading Software Applications available on BCM450 webDownloading software from the Nortel web site Downloading SoftwareDownloading Software NN40160-700 Troubleshooting Tools Service ManagementStatus and Metrics Troubleshooting Tools Command Line InterfaceAccessing the CLI UtilitiesAccessing the CLI through a serial connection Accessing the CLI through the OAM portUsing the Configuration CLI Using the Maintenance CLI Reporting for dropped calls Alarms, logs, and trapsUnderstanding system messages To set Release ReasonsUnderstanding system messages Release reasons Using the Knowledge and Solution Engine Useful Troubleshooting LinksKnowledge and Solution Engine Partner BulletinsTo use the Knowledge and Solution Engine Useful Troubleshooting LinksTo perform a backup Frequently Asked QuestionsBackup, restore, and reset operations How do I back up the database?How do I restore the BCM450 from a previous backup? To restore data from the BCM450Frequently Asked Questions How do I recover a lost password for the BCM450? Password protectionCompleting a warm or cold reset Recovering a lost passwordFault management How do I view Alarms? Can I acknowledge and clear them?To view an alarm System and status information To acknowledge an alarmUsing the Element Manager to transfer log files How do I capture the logs from the BCM450?Using the BCM450 Web Page to transfer log files How do I capture the current BCM450 configuration? Capturing the current configurationHow do I show specific process states? How do I find the BCM450 system health?Viewing the system health Viewing specific process statesHow do find the BCM450 System ID and Serial Number? Connectivity problemsVerify the current software revision Viewing the system ID and serial numberIP addresses What is an Ethernet loop, and how do I avoid creating one?What are the default IP addresses of the BCM450 ports? Can I modify the IP address of the OAM port?Frequently Asked Questions Frequently Asked Questions NN40160-700 Contacting Technical Support Gathering critical informationGetting help over the phone from a Nortel Solutions Center Getting Help from the Nortel Web siteContacting Technical Support Getting help through a Nortel distributor or reseller Contacting Technical Support NN40160-700