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Cisco Systems 7942G Troubleshooting Your Phone, General Troubleshooting, Symptom Explanation

Models: 7942G

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Troubleshooting Your Phone

This section provides troubleshooting information for your Cisco Unified IP Phone.

General Troubleshooting

This section provides information to help you troubleshoot general problems with your phone. For more information, see your system administrator.

	Symptom	Explanation

	You cannot hear a dial	One or more of the following factors may apply:
	tone or complete a call	• You must log into the Extension Mobility service.
		• You must log into the Extension Mobility service.
		• You must enter a client matter code (CMC) or forced authorization
		code (FAC) after dialing a number. (SCCP phones only)
		• Your phone has time-of-day restrictions that prevent you from using
		some features during certain hours of the day.

	The Settings button is	Your system administrator may have disabled	on your phone.
	unresponsive

	The softkey that you	One or more of these factors may apply:
	want to use does not	• You must press more to reveal additional softkeys.
	appear	• You must press more to reveal additional softkeys.
	appear	• You must change the line state (for example, lift the handset or have a

		connected call).
		• Your phone is not configured to support the feature associated with
		that softkey.

	Barge fails and results	You cannot barge an encrypted call if the phone you are using is not
	in a fast busy tone	configured for encryption. When your barge attempt fails for this reason,
		your phone plays a fast busy tone.

	You are disconnected	You will be disconnected from a call that you have joined using Barge if
	from a call that you	the call is put on hold, transferred, or turned into a conference call.
	joined using Barge

	CallBack fails	The other party may have call forwarding enabled.

Cisco Unified IP Phone User Guide for Cisco Unified Communications Manager 8.6 (SCCP and SIP)

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Cisco Systems 7942G manual Troubleshooting Your Phone, General Troubleshooting, Symptom Explanation, CallBack fails

Contents

Americas Headquarters Page Common Phone Tasks Phone Screen Icons Contents Viewing or Removing Conference Participants Using a Speakerphone Cisco One-Year Limited Hardware Warranty Terms Index Getting Started Using this GuideIf you want to Then Power Outage Safety and Performance InformationFinding Additional Information Using External Devices Accessibility FeaturesCisco Product Security Overview OL-22333-01 Connecting Your Phone Adjusting the Handset Rest Optional Removing the Hookswitch Clip RequiredUsing a Headset Adjusting the Footstand OptionalRegistering with Taps Audio Quality Headset SupportUnderstanding Buttons and Hardware An Overview of Your PhoneCisco Unified IP Phone 7961G and 7961G-GE Cisco Unified IP Phone 7962GCisco Unified IP Phone 7941G and 7941G-GE Cisco Unified IP Phone 7942GDescription For more information, see Understanding Lines and Calls Icon Line or Call State Description Understanding Line and Call Icons5, and Viewing Multiple Calls, Understanding Phone Screen FeaturesCleaning the Phone Screen Understanding Feature Buttons and MenusAccessing the Help System on Your Phone Understanding Feature AvailabilityFeature Softkey Line Button Label and Icon Understanding Energy Savings Understanding SIP and SccpAn Overview of Your Phone OL-22333-01 Placing a Call-Basic Options Basic Call HandlingFor more information If you want to Then SeePlacing a Call-Additional Options Using Cisco WebDialerTips Corporate DirectoryChoose Personal Address Book Personal Directory toUsing Your Personal Configuring Fast Dials onWeb, Address Book onAnswer Answering a CallEnding a Call Calls Using a Single PhoneSee Managing Business TipIf you want to Using Hold and ResumeSwitching Between Multiple Calls Using MuteViewing Multiple Calls Switching an In-Progress Call to Another PhoneTransferring Calls Forwarding Calls to Another Number Sending a Call to a Voice Message SystemPress CFwdALL or Forward All Settings on the Web,User Options Web Pages, Press DND or Do Not Disturb Using Do Not DisturbMaking Conference Calls Using Conference FeaturesSee Viewing or Removing Conference Participants, Using Join Using cBarge Placing or Receiving Intercom Calls See Using Conference,Viewing or Removing Conference Participants ParticipantIf you want to Then Speed Dialing Advanced Call HandlingPersonal Directory on the Web, Picking Up a Redirected Call on Your Phone Storing and Retrieving Parked Calls Logging Out of Hunt Groups Using Barge to Add Yourself to a Shared-Line Call Using a Shared LineUnderstanding Shared Lines Single-button and Multi-touch Barge Using Barge FeaturesPress Private Using BLF to Determine a Line StateMaking and Receiving Secure Calls VPN Configuration If you want to Then Prioritizing Critical Calls Tracing Suspicious CallsPress Mcid or Malicious Call ID If you ThenTips EM Service Using Cisco Extension MobilityChange Credentials Press ChangePINSee Answering a Call, Access Lists for Mobile Connect,See Placing a Call-Additional Options, See Switching an In-Progress Call to Another Phone,OL-22333-01 Using a Handset Using a Handset, Headset, and SpeakerphoneUsing a Headset Using a Wireless Headset Using a SpeakerphoneUsing Wideband with your Headset Choose User Preferences Audio Preferences Wideband HeadsetUsing AutoAnswer with a Headset or Speakerphone OL-22333-01 Customizing Rings and Message Indicators Changing Phone SettingsAccessing Your User Options Web Pages, User Preferences RingsOptions Web Pages, Customizing the Phone ScreenUser Preferences Contrast User Preferences Background ImagesChanging Phone Settings OL-22333-01 Using Call Logs Using Call Logs and DirectoriesMissed Calls, Placed Calls, or Received Calls. Each stores Missed Calls, Placed Calls, or Received CallsState, Missed Calls , Placed Calls , or Received CallsMissed Calls or Received Calls Directory DialingPress EditDial Using Personal Directory on Your Phone Using Corporate Directory on Your PhoneCorporate Directory exact name can vary Using Call Logs and Directories Personal Directory Personal Fast Dials Press Fast DialUsing Call Logs and Directories OL-22333-01 Customizing Rings and Message Indicators, Accessing Voice MessagesSystem, Accessing Your User Options Web Pages Using the User Options Web PagesIf you want to Then do this Options DeviceUsing the Personal Directory on the Web Configuring Features and Services on the WebUser Options Device Choose User Options Personal Address BookIf you want to Then do this after you log Click Service URLChoose User Options Device Choose User Options Fast DialsAssign a line button for Fast Dial Choose User Options Device Click Service URLSetting Up Phone Services on the Web Setting Up Speed Dials on the WebSee Configuring Fast Dials on the Web, Click Speed DialsClick Delete Selected Click Phone ServicesServices Controlling User Settings on the WebFeature buttons Choose User Options User SettingsControlling Line Settings on the Web Click Line Settings Change or create a line Choose User Options Mobility Settings Access Lists Setting Up Phones and Access Lists for Mobile ConnectChoose User Options Mobility Settings Remote Destinations Web Pages, Using Cisco WebDialerNetwork Configuration Host NameUsing a Shared Line, Understanding Additional Configuration OptionsIf you Then For more information See Using BLF to Determine a Line See Using AutoAnswer with aSee Using Cisco Extension Advanced Call HandlingGeneral Troubleshooting Troubleshooting Your PhoneSymptom Explanation CallBack failsViewing Phone Administration Data If you are asked to Then Using the Quality Reporting ToolOL-22333-01 Cisco One-Year Limited Hardware Warranty Terms OL-22333-01 Index OL-22333-01 Page OL-22333-01 Page Taps