Cisco Systems 7931G Safety and Performance Information, Power Outage, Using External Devices

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Safety and Performance Information

Refer to these sections for information about the impact of power outages and other devices on your Cisco Unified IP Phone.

Power Outage

Your accessibility to emergency service through the phone is dependent on the phone being powered. If there is an interruption in the power supply, Service and Emergency Calling Service dialing will not function until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure equipment before using the Service or Emergency Calling Service dialing.

Using External Devices

The following information applies when you use external devices with the Cisco Unified IP Phone:

Cisco recommends the use of good quality external devices (such as headsets) that are shielded against unwanted radio frequency (RF) and audio frequency (AF) signals.

Depending on the quality of these devices and their proximity to other devices such as mobile phones or two-way radios, some audio noise may still occur. In these cases, Cisco recommends that you take one or more of the following actions:

•Move the external device away from the source of the RF or AF signals.

•Route the external device cables away from the source of the RF or AF signals.

•Use shielded cables for the external device, or use cables with a better shield and connector.

•Shorten the length of the external device cable.

•Apply ferrites or other such devices on the cables for the external device.

Cisco cannot guarantee the performance of the system because Cisco has no control over the quality of external devices, cables, and connectors. The system will perform adequately when suitable devices are attached using good quality cables and connectors.

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Contents Americas Headquarters Page Common Phone Tasks Button Icons Contents Using a Speakerphone Cisco One-Year Limited Hardware Warranty Terms Index OL-15791-01 Finding Additional Information Using this GuideGetting Started If you want to ThenPower Outage Safety and Performance InformationUsing External Devices Accessibility Features Cisco Product Security OverviewConnecting Your Phone Registering with Taps Adjusting the Handset RestHeadset Support Audio Quality Subjective to the User An Overview of Your Phone Understanding Buttons and HardwareOL-15791-01 Description See For more information Understanding Lines and Calls Understanding Line and Call Icons Icon Line or call state DescriptionUnderstanding Phone Screen Features TipIcon reference, see Understanding Line and Call Icons, Accessing the Help System on Your Phone Accessing the Application MenuUnderstanding Feature Availability Feature Softkey Line Button Label and Icon Understanding SIP vs. SccpIf you want to Then See Basic Call HandlingPlacing a Call-Basic Options TipsPersonal Directory to log Placing a Call-Additional OptionsCorporate Directory name can Choose Personal Address BookMobility, Using Cisco ExtensionUsing a Single Phone Managing Business CallsIf you want to Answering a CallIf you want to Then For more information, see Answer EndCall Using Hold and ResumeEnding a Call Or EndCallUsing Mute Switching Between Multiple CallsSwitching an In-Progress Call to Another Phone Transferring CallsSending a Call to a Voice Message System Forwarding Calls to Another NumberSettings on the Web, User Options Web Pages,Using Do Not Disturb Choose User Options DeviceUsing Conference Features Making Conference CallsUsing Join Viewing or Removing Conference Participants Press ConfList or Conference ListPlacing or Receiving Intercom Calls See Using Conference,Participant If you want to Then Advanced Call Handling Speed DialingPicking Up a Redirected Call on Your Phone Storing and Retrieving Parked Calls Understanding Shared Lines Using a Shared LineLogging Out of Hunt Groups Remote-in-Use IconPrivacy Working with Shared LinesSharing Call Information and Barging Press PrivateUsing BLF to Determine a Line State Making and Receiving Secure CallsIf you want to Then Prioritizing Critical Calls Tracing Suspicious CallsIf you Then Using Cisco Extension Mobility See Answering a Call, See Switching an In-ProgressCall to Another Phone,Cisco WebDialer, Phone,See Placing a Call-Additional Options, Using a Handset Using a Handset, Headset, and SpeakerphoneUsing a Headset Using a Speakerphone Using Wideband with your HeadsetUsing AutoAnswer with a Headset or Speakerphone Settings User Preferences Rings Changing Phone SettingsCustomizing Rings and Message Indicators Accessing Your User Options Web Pages,Settings User Preferences Contrast Settings User Preferences BrightnessCustomizing the Phone Screen Using Call Logs and Directories Using Call LogsDirectories Missed Calls, Placed Calls, or Received Directory Dialing Using Corporate Directory on Your PhoneDirectories Corporate Directory exact name can Using Personal Directory on Your Phone Directories Personal Directory exact name canDirectories Personal Directory Personal Fast Press Fast DialDials Directory Vary Choose Logout Messages Accessing Voice MessagesCustomizing Rings and Message Indicators, System,If you want to Then do this Using the User Options Web PagesAccessing Your User Options Web Pages Options DeviceIf you want to Then do this after you log Configuring Features and Services on the WebUsing Personal Directory on the Web Choose User Options Personal Address BookChoose User Options Fast Dials Create a PAB entry. See Using Your Personal Address Book onClick Add New Choose User Options Device Click Service URL Assign a line button for Fast DialClick Speed Dials Setting Up Speed Dials on the WebSee Configuring Fast Dials on the Web, Your Phone,Setting Up Phone Services on the Web Click Phone ServicesServices Controlling Line Settings on the Web Controlling User Settings on the WebChoose User Options User Settings Click Line Settings Change the audible Setting Up Phones and Access Lists for Mobile Connect Choose User Options Mobility Settings Access ListsChoose User Options Mobility Settings Remote Destinations Click Remote Destinations Using Cisco WebDialer Web Pages,Settings Network Configuration Host NameIf you Then For more information Understanding Additional Configuration OptionsSee Using a Shared Line, Advanced Call HandlingSee Using BLF to Determine a Line See Using AutoAnswer with aSee Using Cisco Extension General Troubleshooting Troubleshooting Your PhoneSymptom Explanation Settings Model Information Viewing Phone Administration DataSettings Network Configuration and select Settings Status Call StatisticsCisco One-Year Limited Hardware Warranty Terms OL-15791-01 Index FAC 27 PAB OL-15791-01 Page OL-15791-01

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