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Cisco Systems CP6921CK9 manual Troubleshooting and Maintenance, Resolving Startup Problems

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C H A P T E R 9

Troubleshooting and Maintenance

This chapter provides information that can assist you in troubleshooting problems with your Cisco Unified IP Phone or with your IP telephony network. It also explains how to clean and maintain your phone.

If you need additional assistance to resolve an issue, see the “Obtaining Documentation, Obtaining Support, and Security Guidelines” section on page xiii.

This chapter includes these topics:

•Resolving Startup Problems, page 9-1

•Cisco Unified IP Phone Resets Unexpectedly, page 9-6

•General Troubleshooting Tips, page 9-8

•Resetting or Restoring the Cisco Unified IP Phone, page 9-10

•Monitoring the Voice Quality of Calls, page 9-11

•Where to Go for More Troubleshooting Information, page 9-12

•Cleaning the Cisco Unified IP Phone, page 9-13

Resolving Startup Problems

After installing a Cisco Unified IP Phone into your network and adding it to Cisco Unified Communications Manager, the phone should start up as described in the “Verifying the Phone Startup Process” section on page 3-12. If the phone does not start up properly, see the following sections for troubleshooting information:

•Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process, page 9-2

•Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager, page 9-2

•Symptom: Cisco Unified IP Phone Unable to Obtain IP Address, page 9-5

Cisco Unified IP Phone 6921, 6941, and 6961 Administration Guide for Cisco Unified Communications Manager 7.1 (SCCP)

	OL-19025-01	9-1

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Cisco Systems CP6921CK9 manual Troubleshooting and Maintenance, Resolving Startup Problems

Contents

Text Part Number OL-19025-01 Americas HeadquartersPage Page Page N T E N T S Footstand Configuring Features, Templates, Services, and Users Troubleshooting and Maintenance Network and Access Port Pinouts C-2 OL-19025-01 Chapter Description OverviewAudience OrganizationCisco Unified IP Phone 6900 Series Related DocumentationBoldface font Document ConventionsCisco Product Security Overview Convention DescriptionItalic screen font An Overview of the Cisco Unified IP Phone Understanding the Cisco Unified IP Phone 6921, 6941, OL-19025-01 2shows the main components of the Cisco Unified IP Phone OL-19025-01 OL-19025-01 3shows the main components of the Cisco Unified IP Phone OL-19025-01 Communications Manager System Guide Dynamic Host Configuration Protocol chapterWhat Networking Protocols are Used? Networking Protocol Purpose Usage NotesSystem Guide Cisco Unified Communications ManagerRelated Topics Feature Overview Providing Users with Feature Information Configuring Telephony FeaturesRelated Topic Access section on Feature DescriptionOL-19025-01 Purpose For More Information Unified Communications Manager Administration Communications Manager Administration GuideTask Purpose For More Information Communications Manager AdministrationChapter in the Cisco Unified Communications Manager Installing Cisco Unified IP Phones Refer to Cisco Unified IP Phone 6921, 6941, Network Setup IPv4 SetupUser Guide for Cisco Unified Communications Manager Terminology Differences User Guide Administration and System GuidesA P T E R Related Topic Understanding the Phone Startup Process, Network Setup Menu, Providing Power to the Cisco Unified IP PhonePower Outage Power GuidelinesPower Type Guidelines Obtaining Additional Information about Power Understanding Phone Configuration FilesAdding Phones to the Cisco Unified Resolving Startup Problems,Understanding the Phone Startup Process Purpose Related TopicsRequesting the Configuration File Requires MAC Method Address? Adding Phones with Auto-RegistrationAdding Phones with Auto-Registration and Taps Adding Phones with BAT Determining the MAC Address for a Cisco Unified IP PhoneNetwork Requirements Before You BeginNetwork and Access Ports Cisco Unified Communications Manager ConfigurationNetwork and Access Ports, Handset, Speakerphone, Headset, Speakerphone HandsetHeadset Audio Quality See the Adding Phones to the Cisco Unified Installing the Cisco Unified IP PhoneSee the Network and Access Ports section on See the Headset section on page 3-3for supportedCisco Unified IP Phone 6921 and 6941 Cable Connections Cisco Unified IP Phone 6961 Cable Connections Footstand Reducing Power Consumption on the PhoneCisco Unified IP Phone 6921 Cisco Higher Viewing Angle Verifying the Phone Startup Process Mounting the Phone to the WallLower Viewing Angle Hold Mute Speaker Configuring Startup Network SettingsOL-19025-01 Phone Configuration Menus on the Cisco Unified IP PhoneProcedure Displaying a Configuration MenuSelect Admin Settings Editing Values Unlocking and Locking OptionsOption Description To Change Network Setup MenuSelect PC Vlan IPv4 Setup Menu Options Related Topics OL-19025-01 Configuring Features, Templates, Services, and Users Feature Description Configuration Reference Forward Maximum Hop Count service parameter Features and Services Guide, Cisco CallFeatures and Services Guide, Call Administration Guide, DirectoryCisco Unified Communications Extension Mobility chapter in the Cisco Communications Features and ServicesCommunications Manager Features Codes and Forced Authorization CodesPoint Configuration chapter in the Cisco Button Template for Personal Address Book or Features and Services GuideSpeed Dials, Manager Feature and Services Guide Administration Guide, Hunt GroupCisco Communications Manager Manager System Guide, Cisco Unified Features and Services Guide, MaliciousAdministration Guide, Message Waiting Refer to Cisco Unified CommunicationsUnified IP Phone 6921, 6941, and 6961 User Features and Services Guide BargeReport Tool chapter Administration Guide, Phone ButtonTemplate Configuration chapter Features and Services Guide, QualitySystem Guide, Time-of-Day Routing Administration Guide, Time PeriodAdministration Guide, Cisco Voice-Mail Port Configuration chapterConfiguring Corporate Directories Configuring Corporate and Personal DirectoriesJoin and Direct Transfer Policy Modifying Phone Button Templates Configuring Personal DirectoryFor Fast Dial, enter the following URL Configuring Softkey Templates DND Supported as a Setting Up ServicesManaging the User Options Web Pages Giving Users Access to the User Options Web PagesEnter the appropriate search criteria and click Find Click Add SelectedClick Save Selected/Changes Specifying Options that Appear on the User Options Web Pages Configuring the Phone to Support Call Waiting Customizing the Cisco Unified IP Phone Customizing and Modifying Configuration FilesDistinctiveRingList File Format Requirements Creating Custom Phone RingsConfiguring a Custom Phone Ring Configuring the Idle DisplayPCM File Requirements for Custom Ring Types Automatically Disabling the Cisco Unified IP Phone Backlight Field Description OL-19025-01 Model Information Screen, Status Menu, Model Information ScreenStatus Messages Screen Status MenuSelect Status Messages Message Description Possible Explanation and Action Menu section on page 4-4for details Network Setup Menu section onSetup Menu section on page 4-4for details on Network Statistics Screen Select Status Network Statistics Call Statistics Screen Voice Quality Metrics Select Call StatisticsOL-19025-01 Monitoring the Cisco Unified IP Phone Remotely Http//IPaddress Accessing the Web Page for a PhoneDevice Information Disabling and Enabling Web Page AccessChoose Device Phone Cisco Unified IP Phone Network SetupDescription Description Vlan Network StatisticsDevice Logs Streaming Statistics Configuring Settings on the Cisco Unified IP Phone chapter Resolving Startup Problems Troubleshooting and MaintenanceTroubleshooting and Maintenance Resolving Startup Problems Identifying Error Messages Choose Tools Control Center Feature Services Verifying DNS SettingsSymptom Cisco Unified IP Phone Unable to Obtain IP Address Identifying Intermittent Network Outages Cisco Unified IP Phone Resets UnexpectedlyVerifying Dhcp Settings Verifying the Physical ConnectionEliminating DNS or Other Connectivity Errors Checking Static IP Address SettingsVerifying the Voice Vlan Configuration Verifying that the Phones Have Not Been Intentionally ResetChecking Power Connection General Troubleshooting TipsSummary Explanation Halfduxcollisionexceedthreshold Performing a Basic Reset Resetting or Restoring the Cisco Unified IP PhoneOperation Performing Explanation Monitoring the Voice Quality of Calls Performing a Factory ResetTroubleshooting Tips Where to Go for More Troubleshooting InformationMetric Change Condition Cleaning the Cisco Unified IP Phone OL-19025-01 Providing Information to Users Via a Website How Users Access a Voice Messaging System Installing the Synchronizer How Users Configure Personal Directory EntriesConfiguring the Synchronizer Support for International Call Logging Supporting International UsersOL-19025-01 Specification Value or Range Physical and Operating Environment SpecificationsAccess Port Connector Cable SpecificationsNetwork and Access Port Pinouts Network Port ConnectorPin Number Function OL-19025-01 Example User Information for these Procedures Basic Phone Administration StepsAdding a User to Cisco Unified Communications Manager Example johndoe Adding a User From an External Ldap DirectoryChoose System Ldap Ldap Directory Click Perform Full Sync NowProceed to the section Configuring the Phone, page D-4 Configuring the PhoneOL-19025-01 OL-19025-01 Click Device Associations Choose User Management End UserPerforming Final End User Configuration Steps Installing the Wall Mount Kit for Installing the Bracket Figure E-2 Mounting the Wall Bracket Figure E-3 Attaching the Phone Bracket Figure E-4 Preparing the Handset Hook Figure E-5 Attaching the Cables Figure E-6 Attaching the Phone to the Wall Bracket OL-19025-01 ADA Non-Lockable Wall Mount Kit for 6900 Series Cisco Unified IP Phone Non-Lockable Wall MountPackage includes these items ComponentsBefore You Begin Install Non-Lockable Wall Mount Kit for PhoneFigure F-4 Mount the Wall Bracket Figure F-5 Attach Phone Bracket Remove Phone from Non-Lockable Wall Mount Go to in Installing the Bracket, page E-2Figure F-7 Before You BeginFigure F-8 D E IN-2 IN-3 IN-4 Tftp Server IN-6 IN-7 IN-8