Cisco Systems 7971G-GE, 7970G manual Providing Power to the Phone, Related Topics

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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network

Providing Power to the Phone

Understanding How the Cisco Unified IP Phone Interacts with the VLAN

The Cisco Unified IP Phone 7970 Series have an internal Ethernet switch, enabling forwarding of packets to the phone, and to the access port and the network port on the back of the phone.

If a computer is connected to the access port, the computer and the phone share the same physical link to the switch and share the same port on the switch. This shared physical link has the following implications for the VLAN configuration on the network:

•The current VLANs might be configured on an IP subnet basis. However, additional IP address might not be available to assign the phone to the same subnet as other devices connect to the same port.

•Data traffic present on the data/native VLAN may reduce the quality of Voice-over-IP traffic.

•Network security may indicate a need to isolate the VLAN voice traffic from the VLAN data traffic.

You can resolve these issues by isolating the voice traffic onto a separate VLAN. The switch port that the phone is connected to would be configured to have separate VLANs for carrying:

•Voice traffic to and from the IP phone (auxiliary VLAN, on the Cisco Catalyst 6000 series, for example)

•Data traffic to and from the PC connected to the switch through the access port of the IP phone (native VLAN)

Isolating the phones on a separate, auxiliary VLAN improves the quality of the voice traffic and allows a large number of phones to be added to an existing network where there are not enough IP addresses for each phone.

For more information, refer to the documentation included with a Cisco switch. You can also access related documentation at this URL:

http://cisco.com/en/US/products/hw/switches/index.html

Related Topics

•Understanding the Phone Startup Process, page 2-7

•Network Configuration Menu, page 4-5

Providing Power to the Phone

Models in the Cisco Unified IP Phone 7970 Series can be powered with external power or with Power over Ethernet (PoE). External power is provided through a separate power supply. PoE is provided by a switch through the Ethernet cable attached to a phone.

Note When you install a phone that is powered with external power, connect the power supply to the phone and to a power outlet before you connect the Ethernet cable to the phone. When you remove a phone that is powered with external power, disconnect the Ethernet cable from the phone before you disconnect the power supply.

The following sections provide more information about powering a phone:

•Power Guidelines, page 2-4

•Phone Power Consumption and Display Brightness, page 2-5

Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0

 

OL-15299-01

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Contents Text Part Number OL-15299-01 Americas HeadquartersPage Iii N T E N T SSetting Up the Cisco Unified IP Phone Adjusting the Placement of the Cisco Unified IP Phone Configuring Features, Templates, Services, and Users Vii Disabling and Enabling Web Page AccessViii Monitoring the Voice Quality of CallsD E OL-15299-01 Organization OverviewAudience Xii Related DocumentationCisco Unified IP Phone 7970 Series Cisco Product Security Overview Document ConventionsConvention Description Boldface fontXiv Information you must enter is in boldface screen fontItalic screen font Understanding the Cisco Unified IP Phone 7970 Series An Overview of the Cisco Unified IP PhoneCisco Unified IP Phone What Networking Protocols Are Used? Guide Networking Protocol Purpose Usage NotesUnified Communications Manager System Discovery Protocol white paper Support, see the LLDP-MED and CiscoRtcp RTPRelated Topics Feature Overview Providing Users with Feature Information Configuring Telephony FeaturesTelephony Features Available for the Phone, Related TopicRefer to Cisco Unified Communications Manager Security Topic ReferenceGuide, Troubleshooting chapter Overview of Supported Security FeaturesUnified IP Phone section on page 3-12for more information Feature DescriptionUnified IP Phones section on page 1-16for more information Understanding Security ProfilesMenu section on Related Topic Establishing and Identifying Secure Conference Calls Call Security Interactions and Restrictions Overview Supporting 802.1X Authentication on Cisco Unified IP PhonesBest Practices-Requirements and Recommendations Security RestrictionsOL-15299-01 Purpose For More Information See the Telephony Features Available for the PhoneRefer to Cisco Unified Communications Manager See theModifying Phone Button Templates sectionAdministration Guide, Softkey Template Administration Guide, Directory NumberAdministration Guide Installing Cisco Unified IP PhonesTask Purpose For More Information Refer to the Cisco Unified Communications ManagerSee the Installing the Cisco Unified IP Phone section See the Providing Power to the Phone section onSee the Adjusting the Placement of the Cisco Unified IP Phone section onConfiguration Configuration IPv4 ConfigurationDhcp Refer to Cisco Unified IP Phone 7970 Series GuideOL-15299-01 A P T E R Related Topic Providing Power to the Phone Power Type Guidelines Power GuidelinesPower Outage, Obtaining Additional Information about Power, Power Outage Phone Power Consumption and Display BrightnessMax. Power Phone Model Power Configuration Switch BrightnessObtaining Additional Information about Power Understanding Phone Configuration FilesSee the Resolving Startup Problems section on Obtaining Power from the SwitchUnderstanding the Phone Startup Process Purpose Related TopicsSee the Network Configuration Menu section Configuring VlanSee the Understanding Phone Configuration Requesting the Configuration FileTftp server has configuration files, which define Parameters for connecting to CiscoTaps Adding Phones with Auto-RegistrationRequires MAC Method Address? Adding Phones with Auto-Registration and Taps Adding Phones with BAT Using Cisco Unified IP Phones with Different ProtocolsConverting a New Phone from Sccp to SIP ProcedureConverting an In-Use Phone from Sccp to SIP Converting an In-Use Phone from SIP to SccpDeploying a Phone in an Sccp and SIP Environment Determining the MAC Address of a Cisco Unified IP PhoneNetwork Requirements Before You BeginNetwork and Access Ports, Handset, Speakerphone, Headset, Cisco Unified Communications Manager ConfigurationNetwork and Access Ports Headset HandsetSpeakerphone Audio Quality Subjective to the User See the Network and Access Ports section on Installing the Cisco Unified IP PhoneBefore You Begin See the Headset section on page 3-3for supportedCisco Unified IP Phone 7970 Series Rear Cable Connections Module Attaching the Cisco Unified IP Phone Expansion ModuleAdjusting Cisco Unified IP Phone Footstand and Phone Height Adjusting the Placement of the Cisco Unified IP PhoneSecuring the Phone with a Cable Lock See FigureMounting the Phone to the Wall Parts Used in Wall Mounting the Cisco Unified IP Phone Verifying the Phone Startup ProcessConfiguring Startup Network Settings From the phone, press the Settings Security Configuration Configuring Security on the Cisco Unified IP PhoneRelated Topic OL-15299-01 Configuring Settings on the Cisco Unified IP Phone Displaying a Configuration Menu Editing Values Unlocking and Locking OptionsPC Vlan Overview of Options Configurable from a PhoneDhcp settings Dynamic Host Configuration Protocol Dhcp Configuration Menu section on Network Configuration MenuCategory Description Network Configuration Menu Option To Table Option Description To ChangeConfiguring Settings on the Cisco Unified IP Phone IPv4 Configuration Menu Options Guide. For information about unlocking the CTL File, see the Security Configuration Menu Section onUnified Communications Manager Security File, see to the Security Configuration Menu Device Configuration MenuCan change the Tftp Server 2 address File will be downloaded from the new TftpState Unified CM ConfigurationActive Standby BlankUnified Communications Manager Administration Guide SIP Configuration Menu SIP Phones OnlyDesignation Description Window choose System Device PoolDisplaying a Configuration Menu, Device Configuration Menu, Device Settings SIP ProfileDirectory Number Call Preferences Menu SIP Phones OnlyPhone Configuration Http Configuration MenuSpeed Dial LineActivated Locale Configuration MenuParameters UI Configuration MenuConfiguration Menu SIP Phones Only section Gets used see Media Configuration Menu Administration Device Phone PhoneInterface User Preferences Audio Preferences Wideband HeadsetUser Preferences Audio Preferences Wideband Handset Media Configuration MenuIs the party who is on a call with the party whose That the remote party receives. The remote partyUser Preferences Phone Phone Configuration to set thisAudio Preferences Wideband Handset Choose Device Phone PhoneEnterprise Parameters Power Save Configuration MenuSecurity Configuration Menu Ethernet Configuration Menu16describes the options on the Security Configuration menu Network Configuration QoS Configuration MenuCall Statistics Screen, Streaming Statistics, Phone Phone ConfigurationDisabled-default Eliminates the need to manually control firmware Device Phone PhonePhone Advantage/Unified Video Advantage Cvta is connected toLow Switch. Settings includeMIC Security Configuration MenuCisco Unified Communications Manager Security GuideFile installs automatically when the phone See the 802.1X Authentication and StatusCTL File Menu For this phoneTrust List Menu 802.1X Authentication and StatusSection in Cisco Unified Communications Manager Security Guide802.1X Authentication Device Choose Settings Security ConfigurationAuthentication 802.1X Authentication EAP-MD5Softkey OL-15299-01 Telephony Features Available for the Phone Configuring Features, Templates, Services, and UsersFeature Description Configuration Reference Communications Manager Features Features and Services Guide, BargeCommunications Manager Feature Features and Services Guide, CallForward Maximum Hop Count service parameter Administration Guide, DirectorySpecifying Options that Appear on User Options Web Pages,Features and Services Guide, Call Park Administration Guide, Call ParkServices Guide, Monitoring Communications System GuideFeatures and Services Guide, Cisco Administration Guide, Cisco UnifiedAdministration Guide, Client Matter Features and Services Guide, ClientSystem Guide Individually. Conference features includeServices Guide, Custom Phone Rings Chapter Features and Services Guide, Do Not Disturb Features and Services Guide, Immediate Administration Guide, Hunt GroupSee Configuring Softkey Templates Cisco Unified CallManager FeatureUnified IP Phone Guide, Basic Call Refer to Cisco Unified CommunicationsManager Administration Guide, Directory Features and Services Guide, MaliciousAutomatically placed on hold Number Configuration chapter Call Identification chapterFeatures and Services Guide, Music On Administration Guide, Music On HoldFeatures and Services Guide Barge Manager System Guide, SIP Dial RulesAdministration Guide, Modifying Phone Administration Guide, Phone ButtonFeatures and Services Guide, Quality QRTAdministration Guide, Conference Administration Guide, Time Period Administration Guide, Device PoolRefer to the Cisco Unified IP Phone Service Administration Guide, UnderstandingManager Administration Guide Configuring Corporate and Personal DirectoriesCisco VT Advantage Administration Administration Guide, CiscoConfiguring Personal Directory Configuring Corporate DirectoriesModifying Phone Button Templates Address Book SynchronizerChoose Device Device Settings Phone Services Configuring Softkey Templates Adding Users to Cisco Unified Communications Manager Setting Up ServicesManaging the User Options Web Pages Giving Users Access to the User Options Web PagesOL-15299-01 Customizing the Cisco Unified IP Phone Customizing and Modifying Configuration FilesRinglist.xml File Format Requirements Creating Custom Phone RingsPCM File Requirements for Custom Ring Types Configuring a Custom Phone RingCreating Custom Background Images List.xml Example List.xml File Format RequirementsPNG File Requirements for Custom Background Images Configuring a Custom Background ImageConfiguring Wideband Codec Configuring the Idle Display Field Description Field Description OL-15299-01 Model Information Screen, Status Menu, Model Information Screen See the Using Cisco Unified IP Phones withCTL Different Protocols section onStatus Menu Press the Settings buttonStatus Messages Screen Select Status MessagesNetwork Configuration Menu section on Administration section on page 2-12forMessage Description Possible Explanation and Action Cisco Unified Communications ManagerInformation, see the 802.1X Authentication Settings Security ConfigurationAddress. See the Network Configuration Status section on4-5section for details Section on page 4-5section for details See the Network Configuration MenuVersions Screen section on page 7-11to verify Has not provided a DNS server. Check Select Network Statistics Network Statistics ScreenOL-15299-01 Select Firmware Versions Firmware Versions ScreenPort IPv4 Select Expansion Modules Expansion Modules ScreenTo exit the Firmware Version screen, press the Exit softkey Call Statistics Screen Press the Settings button Select StatusSelect Call Statistics 6explains the items displayed in the Call Statistics screenMOS LQK Voice Quality MetricsPreceding 8-second interval of the voice stream. For more That the Cisco Unified IP Phone usesDescription OL-15299-01 Monitoring the Cisco Unified IP Phone Remotely Accessing the Web Page for a PhoneHttp//IPaddress Choose Device Phone Disabling and Enabling Web Page AccessDevice Information UDI Network ConfigurationDescription Description PC Vlan Network Statistics Lldp Streaming Statistics Device LogsCisco Unified IP Phone uses Voice Quality Metrics Related Topics OL-15299-01 Resolving Startup Problems Troubleshooting and MaintenanceIdentifying Error Messages, Checking Network Connectivity, Identifying Error Messages Choose Tools Control Center Network Services Verifying DNS SettingsCreating a New Configuration File Symptom Cisco Unified IP Phone Unable to Obtain IP Address Cisco Unified IP Phone Resets UnexpectedlyVerifying Physical Connection Identifying Intermittent Network OutagesChecking Static IP Address Settings Verifying Dhcp SettingsVerifying Voice Vlan Configuration Verifying that the Phones Have Not Been Intentionally ResetProblem Possible Cause Troubleshooting Cisco Unified IP Phone SecurityChecking Power Connection 802.1X Enabled on Phone but Not Authenticating Summary Explanation General Troubleshooting TipsInformation about displaying these statistics Options section on page 4-3 for detailsSee the Call Statistics Screen section on page 7-13 for Halfduxcollisionexceedthreshold To resolve this problem, re-enable the port from the switchProblem Solution Operation Performing Explanation Resetting or Restoring the Cisco Unified IP PhonePerforming a Basic Reset Performing a Factory Reset Using the Quality Report ToolMonitoring the Voice Quality of Calls Using Voice Quality MetricsMetric Change Condition Troubleshooting TipsCleaning the Cisco Unified IP Phone Where to Go for More Troubleshooting InformationOL-15299-01 Providing Information to Users Via a Website How Users Get Copies of Cisco Unified IP Phone Manuals How Users Access the Online Help System on the PhoneHtml How Users Access a Voice-Messaging SystemInstalling the Synchronizer How Users Configure Personal Directory EntriesPrograms Cisco Systems TabSync Configuring the SynchronizerOL-15299-01 Sccp SIP FeaturesWMI Sccp SIP Tool Cisco Unified Communications Manager Features Cisco Unified IP Phone Service ApplicationServices Guide Development Notes for Release 4.13 or laterOL-15299-01 Adding Language Overlays to Phone Buttons Supporting International UsersSupport for International Call Logging Specification Value or Range Physical and Operating Environment SpecificationsNetwork and Access Port Pinouts Cable SpecificationsNetwork Port Connector Pin Number FunctionAccess Port Connector OL-15299-01 Example User Information for these Procedures Basic Phone Administration StepsAdding a User From an External Ldap Directory Proceed to Configuring the Phone, page E-3Choose System Ldap Ldap Directory Click Perform Full Sync NowProceed to the section Configuring the Phone, page E-3 Configuring the PhoneExample johndoe Example doeOL-15299-01 Page Click Device Associations Choose User Management End UserPerforming Final End User Configuration Steps IN-1 IN-2 See CDPIN-3 Computer telephony integration CTIPCM file requirements Daisy chaining 9-10data Vlan IN-4 SignalingSee Dhcp IN-5 DNDMlpp IN-6 Adjustment plate Identifying Forced authorization codesCodec 729 IN-7 See HttpLLDP-MED MAC Address Operational Vlan ID PC Port Configuration Mobile phone interference Mobile voice accessMessages button Messages URL Message waiting Metrics, voice quality MIC Mobile connectIN-9 CDP Cppdp Dhcp Http Rtcp RTP Sccp SIP TCP Tftp TLS UDPSee Rtcp Real-Time Control ProtocolReal-Time Transport Protocol See RTPLSC MIC Settings button Settings menu accessStreaming Status menu Description IN-11IN-12 Survivable Remote Site TelephonySee Srst See TCP See UDPSee TLS See TftpDocumentation for A-2 Accessing Console Logs Core DumpsProviding required information to A-1 Vlan
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7970G, 7971G-GE specifications

The Cisco Systems 7971G-GE is a sophisticated IP phone designed for enterprise communication, offering a range of features that enhance productivity and collaboration. As part of the Cisco Unified Communications portfolio, this phone is known for its impressive technology and reliable performance.

One of the main features of the 7971G-GE is its high-resolution color display. The 5-inch LCD screen provides users with a visually appealing and intuitive interface, allowing for easy navigation through menus and contacts. The phone supports up to six lines, making it ideal for users who require multiple lines for simultaneous calls. Users can effortlessly manage calls with the ability to switch between lines and access important call features like hold, transfer, and conference calling.

In terms of audio quality, the Cisco 7971G-GE is equipped with high-definition voice technology. This feature ensures crystal-clear sound during calls, reducing background noise and enhancing the clarity of conversations. The phone also supports wideband audio codecs, enabling a richer voice experience that is particularly valuable in business environments.

The phone is designed with user convenience in mind. It offers programmable buttons that can be customized to suit individual needs, allowing easy access to frequently used functions or contact lists. Additionally, the presence indicator feature lets users see the availability of their colleagues in real-time, promoting more effective communication and collaboration.

Networking capabilities are another strong point of the Cisco 7971G-GE. The phone supports both Power over Ethernet (PoE) and standard Ethernet connectivity. This enables easy deployment without the need for additional power outlets. Moreover, the device is compatible with various Cisco communication platforms, integrating seamlessly with existing Cisco infrastructure, which is essential for businesses looking to upgrade their communications systems.

Security is a crucial consideration for modern enterprises, and Cisco addresses this with robust encryption features that protect voice and video calls. The phone supports secure signaling and media encryption, ensuring that sensitive conversations remain confidential.

Overall, the Cisco Systems 7971G-GE is a feature-rich IP phone that combines advanced technology with user-friendly design. Its high-definition audio, customizable features, and seamless integration with Cisco networks make it a popular choice for businesses seeking to improve their communication systems. With its reliability and performance, the Cisco 7971G-GE continues to support effective collaboration in an increasingly connected world.
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