Page 3 - C O N T E N T S; Preface; About the Cisco IP Phone; Technical Details
C O N T E N T S P r e f a c e Preface xi Overview xi Audience xi Guide Conventions xi Related Documentation xiii Cisco IP Phone 7800 Series Documentation xiii Cisco Unified Communications Manager Documentation xiii Cisco Business Edition 3000 Documentation xiii Cisco Business Edition 6000 Documentat...
Page 4 - Cisco IP Phone Hardware; Cisco IP Phone Installation
External Devices 14 C H A P T E R 2 Cisco IP Phone Hardware 17 Cisco IP Phone Hardware Overview 17 Cisco IP Phone 7821 18 Phone Connections 18 Buttons and Hardware 19 Cisco IP Phone 7841 22 Phone Connections 22 Buttons and Hardware 23 Cisco IP Phone 7861 26 Phone Connections 26 Buttons and Hardware ...
Page 5 - Cisco Unified Communications Manager Phone Setup; Self Care Portal Management; Hardware and Accessory Installation; Cisco IP Phone Accessories
Set Alternate TFTP Field 42 Set TFTP Server 1 Field 42 Set TFTP Server 2 Field 43 Verify Phone Startup 43 Configure Phone Services for Users 43 C H A P T E R 4 Cisco Unified Communications Manager Phone Setup 45 Determine Phone MAC Address 45 Set Up Cisco IP Phone 45 Phone Addition Methods 50 Add Ph...
Page 6 - Wall Mounts; Cisco IP Phone Administration; Cisco IP Phone Security; Cisco IP Phone Customization; Phone Features and Setup
Connect Wired Headset 64 Disable Wired Headset 64 Wireless Headset 65 Enable Electronic Hookswitch 65 C H A P T E R 7 Wall Mounts 67 Non-Lockable Wall Mount Components 67 Install Non-Lockable Wall Mount Kit 69 Remove Phone From Non-Lockable Wall Mount 74 Adjust the Handset Rest 75 P A R T I V Cisco ...
Page 8 - Corporate and Personal Directory Setup; Cisco IP Phone Troubleshooting; Monitoring Phone Systems
Set Up RTP/sRTP Port Range 138 C H A P T E R 1 1 Corporate and Personal Directory Setup 141 Corporate Directory Setup 141 Personal Directory Setup 141 User Personal Directory Entries Setup 142 Download Cisco IP Phone Address Book Synchronizer 142 Cisco IP Phone Address Book Synchronizer Deployment 1...
Page 9 - Troubleshooting
C H A P T E R 1 3 Troubleshooting 175 General Troubleshooting Information 175 Startup Problems 177 Cisco IP Phone Does Not Go Through Normal Startup Process 177 Cisco IP Phone Does Not Register with Cisco Unified Communications Manager 178 Phone Displays Error Messages 178 Phone Cannot Connect to TF...
Page 10 - Maintenance; International User Support
802.1X Enabled on Phone but Phone Does Not Authenticate 186 802.1X Not Enabled 186 Factory Reset of Phone Has Deleted 802.1X Shared Secret 187 Audio Problems 187 No Speech Path 187 Choppy Speech 187 General Telephone Call Problems 188 Phone Call Cannot Be Established 188 Phone Does Not Recognize DTM...
Page 11 - Guide Conventions, page xi; Overview; This document uses the following conventions:; Description; Commands and keywords are in; boldface; font
Preface • Overview, page xi • Audience, page xi • Guide Conventions, page xi • Related Documentation, page xiii • Documentation, Support, and Security Guidelines, page xiii Overview Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager(SIP) provides the in...
Page 12 - screen
Description Convention Arguments for which you supply values are in italics . italic font Elements in square brackets are optional. [ ] Alternative keywords are grouped in braces and separated by vertical bars. { x | y | z } Optional alternative keywords are grouped in brackets and separated by vert...
Page 13 - Related Documentation; Cisco IP Phone 7800 Series Documentation; Documentation, Support, and Security Guidelines
Related Documentation Use the following sections to obtain related information. Cisco IP Phone 7800 Series Documentation Refer to publications that are specific to your language, phone model and Cisco Unified CommunicationsManager release. Navigate from the following documentation URL: http://www.ci...
Page 14 - Cisco Product Security Overview
Cisco Product Security Overview This product contains cryptographic features and is subject to United States and local country laws governingimport, export, transfer, and use. Delivery of Cisco cryptographic products does not imply third-party authorityto import, export, distribute, or use encryptio...
Page 15 - P A R T; Technical Details, page 3
P A R T I About the Cisco IP Phone • Technical Details, page 3 • Cisco IP Phone Hardware, page 17
Page 17 - C H A P T E R; Physical and Operating Environment Specifications; Value or range; Operating temperature
C H A P T E R 1 Technical Details • Physical and Operating Environment Specifications, page 3 • Cable Specifications, page 4 • Network and Computer Port Pinouts, page 5 • Phone Power Requirements, page 6 • Supported Network Protocols, page 8 • VLAN Interaction, page 12 • Cisco Unified Communications...
Page 19 - Network Port Connector; Function; Function
Network and Computer Port Pinouts Although both the network and computer (access) ports are used for network connectivity, they serve differentpurposes and have different port pinouts. • The network port is the 10/100 SW port (The Cisco IP Phone 7841 has a 10/100/1000 SW network port). • The compute...
Page 21 - External power; Power Outage; Power outages and other devices can affect your Cisco IP Phone.; Power Reduction
When you install a phone that is powered with external power, connect the power supply to the phoneand to a power outlet before you connect the Ethernet cable to the phone. When you remove a phone thatis powered with external power, disconnect the Ethernet cable from the phone before you disconnect ...
Page 22 - Schedule Power Save Plus (EnergyWise) on Cisco IP Phone, on page 115; Usage notes
Power Save In Power Save mode, the backlight on the screen is not lit when the phone is not in use. The phoneremains in Power Save mode for the scheduled duration or until the user lifts the handset or pressesany button. Set up each phone to enable or disable Power Save settings. You can configure t...
Page 24 - in the
Usage notes Purpose Network protocol The Cisco IP Phone implements theIEEE 802.1X standard by providingsupport for the followingauthentication methods: EAP-FASTand EAP-TLS. When 802.1X authentication isenabled on the phone, you shoulddisable the PC port and voice VLAN. The IEEE 802.1X standard defin...
Page 25 - Voice VLAN configuration
Usage notes Purpose Network protocol The Cisco IP Phone supportsLLDP-MED on the SW port tocommunicate information such as: • Voice VLAN configuration • Device discovery • Power management • Inventory management For more information aboutLLDP-MED support, see the LLDP-MED and Cisco DiscoveryProtocol ...
Page 26 - For more information, see; Related Topics; Verify Network Setup, on page 33
Usage notes Purpose Network protocol Cisco IP Phones use TCP to connectto Cisco Unified CommunicationsManager and to access XMLservices. TCP is a connection-oriented transportprotocol. Transmission ControlProtocol (TCP) When security is implemented, CiscoIP Phones use the TLS protocol whensecurely r...
Page 27 - Firmware for phones; Cisco Unified Communications Manager Express Interaction
• Data traffic present on the VLAN supporting phones might reduce the quality of VoIP 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 to whi...
Page 31 - Cisco IP Phone Hardware Overview, page 17; Cisco IP Phone Hardware Overview; The Cisco IP Phones have the following features:
C H A P T E R 2 Cisco IP Phone Hardware • Cisco IP Phone Hardware Overview, page 17 • Cisco IP Phone 7821, page 18 • Cisco IP Phone 7841, page 22 • Cisco IP Phone 7861, page 26 • Terminology Differences, page 29 Cisco IP Phone Hardware Overview The Cisco IP Phone 7821, 7841, and 7861 provides voice ...
Page 32 - Phone Connections
Cisco IP Phone 7821 Phone Connections For your phone to work, it must be connected to the corporate IP telephony network. Access port (10/100 PC) connection. 5 DC adaptor port (DC48V) (optional). 1 Auxiliary port (optional). 6 AC-to-DC power supply (optional). 2 Handset connection. 7 AC power wall p...
Page 33 - Buttons and Hardware; Handset light strip
Analog headset connection (optional). 8 Network port (10/100 SW) connection. IEEE802.3af power enabled. 4 Buttons and Hardware Indicates an incoming call (flashing red) or new voice message (steadyred). Handset light strip 1 Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified ...
Page 43 - Cisco; Administration Guides
Toggles the microphone on or off. When the microphone is muted, the buttonis lit. Mute button 12 Controls the handset, headset, and speakerphone volume (off hook) and theringer volume (on hook). Volume button 13 Autodials your voice messaging system (varies by system). Messages button 14 Opens or cl...
Page 44 - Voice Messaging System
Administration Guides User Guide Voice Messaging System Voicemail System Cisco IP Phone 7821, 7841, and 7861 Administration Guide for Cisco Unified Communications Manager 10.0 (SIP) 30 Terminology Differences
Page 45 - II; Cisco IP Phone Installation, page 33
P A R T II Cisco IP Phone Installation • Cisco IP Phone Installation, page 33 • Cisco Unified Communications Manager Phone Setup, page 45 • Self Care Portal Management, page 57
Page 47 - Verify Network Setup; System Configuration Overview; Procedure; Configure a VoIP Network to meet the following requirements:
C H A P T E R 3 Cisco IP Phone Installation • Verify Network Setup, page 33 • Enable Autoregistration for Phone, page 34 • Install Cisco IP Phone, page 35 • Set Up Phone From Setup Menus, page 36 • Configure Network Settings, page 39 • Verify Phone Startup, page 43 • Configure Phone Services for Use...
Page 49 - Cisco Unified Communications Manager Administration Guide; System; Phone Addition Methods, on page 50; External Devices, on page 14; Phone Power Requirements, on page 6
To implement TAPS, you or the end user dials a TAPS directory number and follows voice prompts. Afterthe process is complete, the phone contains the directory number and other settings, and the phone is updatedin Cisco Unified Communications Manager Administration with the correct MAC address. Verif...
Page 50 - and; The phone includes the following setup menus:
Step 3 Connect a headset to the headset port. You can add a headset later if you do not connect one now. For moreinformation, see Headsets, on page 62 . Step 4 Connect a wireless headset. You can add a wireless headset later if you do not want to connect one now. Formore information, see your wirele...
Page 52 - Apply Phone Password; Text and Menu Entry From Phone; Apply Phone Password, on page 38
Apply Phone Password You can apply a password to the phone so that no changes can be made to the administrative options on thephone without password entry on the Administrator Settings phone screen. Procedure Step 1 In Cisco Unified Communications Manager Administration, navigate to the Common Phone...
Page 53 - Text and Menu Entry From Phone, on page 38; Set Domain Name Field; Yes; Select
Configure Network Settings Procedure View and configure the following network settings: • Domain name field • Admin VLAN ID field • PC VLAN field • Switch port configuration field • PC port configuration field • DHCP enabled field • IP address field • Subnet mask field • Default router field • DNS s...
Page 54 - Set Admin VLAN ID Field; Set PC VLAN Field; Set SW Port Configuration Field; Set PC Port Configuration Field
Set Admin VLAN ID Field Procedure Step 1 Scroll to the Admin. VLAN ID option, press Select , and enter a new Admin VLAN ID setting. Step 2 Press Apply . Set PC VLAN Field Procedure Step 1 Ensure that the Admin VLAN ID option is set. Step 2 Scroll to the PC VLAN option, press Select , and then enter ...
Page 55 - Set DHCP Enabled Field; Set IP Address Field; Set Subnet Mask Field; Set Default Router Field
Set DHCP Enabled Field Procedure Step 1 Scroll to the DHCP Enabled option. Step 2 Press Disable to disable DHCP, or press Enable to enable DHCP. Set IP Address Field Procedure Step 1 Set the DHCP Disabled option to Disable . Step 2 Press Back , scroll to the IP Address option, press Select , and ent...
Page 56 - Set DNS Server Fields; Set Alternate TFTP Field; Set TFTP Server 1 Field
Set DNS Server Fields Procedure Step 1 Set the DHCP Disabled option to Disable . Step 2 Press Back , scroll to the appropriate DNS Server option, press Select , and enter a new DNS server IP address. Step 3 Press Apply to apply the changes or Revert to discard the changes. Step 4 If multiple DNS Ser...
Page 57 - Set TFTP Server 2 Field; Startup Problems, on page 177; Configure Phone Services for Users
Set TFTP Server 2 Field Procedure Step 1 Unlock administrator password setting. Step 2 Enter an IP address for the TFTP Server 1 option. Step 3 Press Back , scroll to the TFTP Server 2 option, press Select , and enter a new backup TFTP server IP address. If there is no secondary TFTP Server, you can...
Page 58 - Device; Self Care Portal Management, on page 57
IP phone applications. However, a user cannot subscribe to any service that you configure as an enterprisesubscription. For more information, see the “ Cisco Unified IP Phone Services Configuration ” chapter in the Cisco Unified Communications ManagerAdministration Guide and the “ Cisco Unified IP P...
Page 59 - Determine Phone MAC Address; Perform one of the following actions:; Applications; Look at the MAC label on the back of the phone.; Device Information; Set Up Cisco IP Phone
C H A P T E R 4 Cisco Unified Communications Manager PhoneSetup • Determine Phone MAC Address, page 45 • Set Up Cisco IP Phone, page 45 • Phone Addition Methods, page 50 • Add Users to Cisco Unified Communications Manager, page 51 • Add User to End User Group, page 53 • Associate Phones with Users ,...
Page 60 - Determine Phone MAC Address, on page 45
For more information about Cisco Unified Communications Manager Administration, see Cisco Communications Manager Administration Guide . Perform the configuration steps in the following procedure using Cisco Unified Communications ManagerAdministration. Procedure Step 1 Gather the following informati...
Page 63 - Corporate Directory Setup, on page 141; Cisco Unified Communications Manager
g) To view the details of a group, select the group and click View Details . h) In the Extension Mobility area, check the Enable Extension Mobility Cross Cluster box if the user can use for Extension Mobility Cross Cluster service. i) In the Device Information area, click Device Associations . j) Us...
Page 64 - Add User to End User Group, on page 53; Enable Autoregistration for Phone, on page 34; Add Phones Individually
Some phones, such as those in conference rooms, do not have an associateduser. Note Step 17 Associate a user with a user group. Select User Management > User Settings > Access Control Group . Assigns users a common list of roles and permissions that apply to all users in a user group. Administ...
Page 65 - Add Phones Using BAT Phone Template; Cisco Unified Communications Manager Bulk Administration
For complete instructions and conceptual information about Cisco Unified Communications Manager, seethe “ Cisco Unified Communications Manager overview ” chapter in the Cisco Unified Communications Manager System Guide . Step 6 Select Save . Add Phones Using BAT Phone Template The Cisco Unified Comm...
Page 66 - Add a User from an External LDAP Directory; Add User Directly to Cisco Unified Communications Manager
Procedure Step 1 To add users individually, see Add User Directly to Cisco Unified Communications Manager, on page 52 . Step 2 To add users in batches, use the Bulk Administration Tool. This method also enables you to set an identicaldefault password for all users.For more information, see the “ Cis...
Page 68 - Surviveable Remote Site Telephony; Notes
Associate Phones with Users You associate phones with users from the Cisco Unified Communications Manager End User window. Procedure Step 1 From Cisco Unified Communications Manager Administration, choose User Management > End User . The Find and List Users window appears. Step 2 Enter the approp...
Page 71 - Self Care Portal Overview, page 57; Self Care Portal Overview; Cisco Unified Communications Self Care
C H A P T E R 5 Self Care Portal Management • Self Care Portal Overview, page 57 • Set Up Access to Self Care Portal, page 58 • Customize Self Care Portal Display, page 58 Self Care Portal Overview From the Cisco Unified Communications Self Care Portal, users can customize and control phone features...
Page 72 - Customize Self Care Portal Display
Set Up Access to Self Care Portal Use this procedure to enable a user to access the Self Care Portal. Procedure Step 1 In Cisco Unified Communications Manager Administration, select User Management > End User . Step 2 Search for the user and click the user ID link. Step 3 Ensure that the user has...
Page 73 - III; Cisco IP Phone Accessories, page 61
P A R T III Hardware and Accessory Installation • Cisco IP Phone Accessories, page 61 • Wall Mounts , page 67
Page 75 - Cisco IP Phone Accessories Overview, page 61; Cisco IP Phone Accessories Overview; Type; Connect Footstand
C H A P T E R 6 Cisco IP Phone Accessories • Cisco IP Phone Accessories Overview, page 61 • Connect Footstand, page 61 • Headsets, page 62 Cisco IP Phone Accessories Overview The Cisco IP Phone 7821, 7841, and 7861 supports both Cisco and third-party accessories. In the following table, an X indicat...
Page 76 - Insert the curved connectors into the lower slots.; Audio Quality
Procedure Step 1 Insert the curved connectors into the lower slots. Step 2 Lift the footstand until the connectors snap into the upper slots. Connecting and disconnecting the footstand may require a little more force than you expect. Note Headsets Although Cisco Systems performs internal testing of ...
Page 77 - For additional information, see; Analog Headsets; Enable Wideband on Analog Headsets; On the Cisco IP Phone, press; Accessories; Highlight the analog headset, then press; Setup; Enable Wideband Codec on Analog Headsets
of any headsets. However, a variety of headsets from leading headset manufacturers are reported to performwell with Cisco IP Phones. For additional information, see http://www.cisco.com/en/US/partner/prod/voicesw/ucphone_headsets.html Analog Headsets Analog headsets are supported on the Cisco IP Pho...
Page 78 - In Cisco Unified Communications Manager Administration, choose; Wired Headsets; Connect Wired Headset; Plug the headset into the Headset port on the back of the phone.; Disable Wired Headset; and locate the phone that you want to modify.
Procedure Step 1 In Cisco Unified Communications Manager Administration, choose Device > Phone . Step 2 In the Find and List Phones window, enter the search criteria for the phone to which you want to add theanalog headset, then click Find . Step 3 Click on the Device Name that you want. The Phon...
Page 79 - Wireless Headset; Enable Electronic Hookswitch; Jabra; Scroll to the Wireless Headset Hookswitch Control section.; Enabled; To disable Electronic Hookswitch, choose; Disabled
Wireless Headset The Cisco IP Phone 7821, 7841, and 7861 support a wireless analog headset. To use a wireless headset, usersconnect a base station to the auxiliary port. The base station communicates with the wireless headset. The Electronic Hookswitch feature enables users to remotely control basic...
Page 81 - Non-Lockable Wall Mount Components, page 67; Non-Lockable Wall Mount Components
C H A P T E R 7 Wall Mounts • Non-Lockable Wall Mount Components, page 67 • Adjust the Handset Rest, page 75 Non-Lockable Wall Mount Components The following figure shows the contents of the Wall Mount kit. Figure 1: Components The package includes these items: • One phone bracket • One wall bracket...
Page 83 - Install Non-Lockable Wall Mount Kit; Before You Begin; You need these tools to install the bracket:
Install Non-Lockable Wall Mount Kit The wall mount kit can be mounted on most surfaces, including concrete, brick, and similar hard surfaces.To mount the kit on concrete, brick, or similar hard surfaces, you must provide the appropriate screws andanchors for your wall surface. Before You Begin You n...
Page 84 - The following figure shows the bracket installation steps.; Attach the phone bracket to the IP Phone.
The following figure shows the bracket installation steps. Figure 4: Bracket Installation Step 2 Attach the phone bracket to the IP Phone. a) Detach the handset cord (and headset cord, if there is a headset), power cord, and any other attached cords from the base of the phone. b) Remove the label co...
Page 85 - The following figure shows how the bracket attaches to the phone.; Slot for Mounting Tabs
The following figure shows how the bracket attaches to the phone. Figure 5: Attach Phone Bracket Slot for Mounting Tabs 2 Screw Holes 1 Step 3 Attach the cables to the phone: a) Attach the Ethernet cable to the 10/100/1000 SW network port and wall jack.b) (Optional) If you are connecting a network d...
Page 87 - Proceed to
The following figure shows how you attach the phone to the wall bracket. Figure 7: Attach Phone to Wall Bracket Step 5 Press the phone firmly into the wall bracket and slide the phone down. The tabs in the bracket click intoposition. Step 6 Proceed to Adjust the Handset Rest, on page 75 . Cisco IP P...
Page 88 - Remove Phone From Non-Lockable Wall Mount; You require 2 screwdrivers or metal rods.
Remove Phone From Non-Lockable Wall Mount The phone mounting plate contains two tabs to lock the plate into the wall bracket. The following figure showsthe location and shape of the tabs. Figure 8: Tab Location To remove the phone and mounting plate from the wall bracket, you must disengage these ta...
Page 90 - Rotate the tab 180 degrees.
Procedure Step 1 Remove the handset from the cradle and pull the plastic tab from the handset rest. Step 2 Rotate the tab 180 degrees. Step 3 Hold the tab between two fingers, with the corner notches facing you. Step 4 Line up the tab with the slot in the cradle and press the tab evenly into the slo...
Page 91 - IV; Cisco IP Phone Security, page 79
P A R T IV Cisco IP Phone Administration • Cisco IP Phone Security, page 79 • Cisco IP Phone Customization, page 87 • Phone Features and Setup , page 91 • Corporate and Personal Directory Setup, page 141
Page 93 - Cisco IP Phone Security Overview, page 79; Cisco IP Phone Security Overview; Signing of the phone configuration files; For more information about the security features, see the
C H A P T E R 8 Cisco IP Phone Security • Cisco IP Phone Security Overview, page 79 • View Current Security Features on Phone, page 80 • View Security Profiles, page 80 • Supported Security Features, page 80 Cisco IP Phone Security Overview The Security features protect against several threats, incl...
Page 94 - Cisco Unified Communications Manager Security Guide; Admin Settings; Configuring the Cisco CTL Client; View Security Profiles; Cisco Unified Communications Manager Security Guide; Supported Security Features; Cisco Unified Communications Manager Security Guide; Image authentication
View Current Security Features on Phone View the security features of the Cisco IP Phone 7821, 7841, and 7861. For more information about these features and about Cisco Unified Communications Manager andCisco IP Phone security, see Cisco Unified Communications Manager Security Guide . Procedure Step...
Page 96 - Cisco IP Phone Security, on page 79; Set Up Locally Significant Certificate
Description Feature You can prevent access to a phone web page, which displays a variety ofoperational statistics for the phone. Optional disabling of the webserver functionality for aphone Additional security options, which you control from Cisco UnifiedCommunications Manager Administration: • Disa...
Page 97 - Installed; Phone Call Security
You can control access to the Settings menu by using the Settings Access field in the Cisco UnifiedCommunications Manager Administration Phone Configuration window. For more information, seethe Cisco Unified Communications Manager Administration Guide . Note Step 3 Choose LSC and press Select or Upd...
Page 98 - Secure Conference Call Identification; Conference; Results of action; Does not meet
• Play Secure Indication Tone: To enable the protected phone to play a secure or nonsecure indicationtone, set the Play Secure Indication Tone setting to True. By default, Play Secure Indication Tone is setto False. You set this option in Cisco Unified Communications Manager Administration ( System ...
Page 99 - Secure Phone Call Identification; A secured call is established using this process:; A protected phone plays a tone or not under these circumstances:; The Cisco IP Phones support 802.1X Authentication.
Secure Phone Call Identification A secure call is established when your phone, and the phone on the other end, is configured for secure calling.The other phone can be in the same Cisco IP network, or on a network outside the IP network. Secured callscan only be made between two phones. Conference ca...
Page 101 - Custom Phone Rings, page 87; Custom Phone Rings; Cisco Unified Communications Manager System Guide; Set Up Custom Phone Ring
C H A P T E R 9 Cisco IP Phone Customization • Custom Phone Rings, page 87 • Set Up Wideband Codec, page 89 • Set Up Idle Display, page 90 Custom Phone Rings The Cisco IP Phone ships with two default ring types that are implemented in hardware: Chirp1 and Chirp2.Cisco Unified Communications Manager ...
Page 102 - Cisco Unified; Custom Ring File Formats
Procedure Step 1 Create a PCM file for each custom ring (one ring per file). Ensure the PCM files comply with the formatguidelines that are listed in the Custom Ring File Formats section. Step 2 Upload the new PCM files that you created to the Cisco TFTP server for each Cisco Unified CommunicationsM...
Page 103 - Purpose
<Ring> <DisplayName>Analog Synth 2</DisplayName><FileName>Analog2.raw</FileName> </Ring> </CiscoIPPhoneRingList> The PCM files for the rings must meet the following requirements for proper playback on Cisco IP Phones: • Raw PCM (no header) • 8000 samples per...
Page 104 - Creating Idle URL Graphics on; Settings
Set Up Idle Display You can specify an idle display (text only; text file size should not exceed 1M bytes) that appears on the phonescreen. The idle display is an XML service that the phone invokes when the phone is idle (not in use) for adesignated period and no feature menu is open. For detailed i...
Page 106 - user guides for all Cisco IP Phone models that you support; Telephony Features for Cisco IP Phone; User Guide for Cisco Unified Communications Manager
• Control Phone Web Page Access, page 129 • UCR 2008 Setup, page 129 • Set Up Softkey Template, page 132 • Set Minimum Ring Volume, page 134 • Set Up Join and Direct Transfer Policy, page 135 • Set Up HTTPS for Phone Services, page 135 • Phone Button Templates, page 136 • Set Up RTP/sRTP Port Range,...
Page 107 - Description and more information
Cisco Unified Communications Manager Administration also provides several service parameters thatyou can use to configure various telephony functions. For more information on accessing and configuringservice parameters, see the Cisco Unified Communications Manager Administration Guide . For more inf...
Page 109 - Customize Self Care Portal Display, on page 58
Description and more information Feature Determines the information that will display for calling or connected lines, depending on theparties who are involved in the call. See: • Cisco Unified Communications Manager Administration Guide , “ Cisco Unified IP Phone Configuration ” • Cisco Unified Comm...
Page 110 - Set Up Call Forward Notification, on page 123
Description and more information Feature Allows you to configure the information that the user sees when receiving a forwarded call. See Set Up Call Forward Notification, on page 123 . Call Forward Notification Allows you to view shared line activity in the phone Call History. This feature will: • L...
Page 112 - Custom Phone Rings, on page 87
Description and more information Feature Allows users to temporarily access their Cisco IP Phone configuration such as line appearances,services, and speed dials from shared Cisco IP Phone by logging into the Cisco ExtensionMobility service on that phone when they log into the Cisco Extension Mobili...
Page 116 - Set Up HTTPS for Phone Services, on page 135; Set Up Join and Direct Transfer Policy, on page 135
Description and more information Feature Increases security by requiring communication using HTTPS. IP Phones can be HTTPS clients; they cannot be HTTPSservers. Note See Set Up HTTPS for Phone Services, on page 135 . HTTPS for Phone Services Provides load sharing for calls to a main directory number...
Page 120 - Cisco Unified Communications; Set Up Softkey Template, on page 132
Description and more information Feature Allows users to make a call when the number of calls for a line exceeds the maximum numberof calls (MNC). This feature is configured on Cisco Unified Communication Manager by navigating Device > Phone . It is disabled by default. Outbound Roll Over Users c...
Page 121 - Set Up Remote Port Configuration, on page 127
Description and more information Feature The Cisco Unified Communications Manager administrator can configure a phone numberthat the Cisco IP Phone dials as soon as the handset goes off hook. This can be useful forphones that are designated for calling emergency or “ hotline ” numbers. See the Cisco...
Page 125 - Phone Button Templates, on page 136; Softkey
Description and more information Feature The Cisco IP Phones support Unified Capabilities Requirements (UCR) 2008 by providingthe following functions: • Support for Federal Information Processing Standard (FIPS) 140-2 • Support for 80-bit SRTCP Tagging As an IP Phone administrator, you must set up s...
Page 127 - Schedule Power Save for Cisco IP Phone
Softkey Programmable featurebutton Dedicated featurebutton Feature name X (available during atransfer only) X Transfer Disable Speakerphone By default, the speakerphone is enabled on the Cisco IP Phone. You can disable the speakerphone by using Cisco Unified Communications Manager Administration. Wh...
Page 128 - Save
Procedure Step 1 From the Cisco Unified Communications Manager Administration, select Device > Phone . Step 2 Locate the phone that you need to set up. Step 3 Navigate to the Product Specific Configuration area and set the following fields. Table 12: PowerSave Configuration Fields Description Fie...
Page 129 - Locate the phone that you need to set up.; While Power Save Plus Mode (the; Enable Power Save Plus
Schedule Power Save Plus (EnergyWise) on Cisco IP Phone To reduce power consumption, configure the phone to sleep (power down) and wake (power up) if your systemincludes an EnergyWise controller. You configure settings in Cisco Unified Communications Manager Administration to enable EnergyWise andco...
Page 134 - Cisco Unified Communications Manager Features; Set Up Monitoring and Recording
Set Up Do Not Disturb When DND is turned on, either no audible rings occur during the ringing-in state of a call, or no audible orvisual notifications of any type occur. You can configure the phone with a phone-button template with DND as one of the selected features. For more information, see “ Do ...
Page 135 - Set Up cBarge
Procedure Step 1 In Cisco Unified Communications Manager Administration, select User Management > Application User . Step 2 Check the Standard CTI Allow Call Monitoring user group and the Standard CTI Allow Call Recording usergroups. Step 3 Click Add Selected . Step 4 Click Add to User Group . St...
Page 136 - In Cisco Unified Communications Manager Administration, select; To configure Automatic Port Synchronization for a single phone,; Set Up SSH Access
Procedure Step 1 In Cisco Unified Communications Manager Administration, select Device > Phone . Step 2 Locate the Line Key Barge parameter and select the required setting.The available settings are: • Off: A new call is initiated when you press the line key. • Turn on Softkey: Pressing line key ...
Page 138 - Enable Line Status for Call Lists
Description Field When this check box is checked, the information about the original recipientof the call displays in the notification window. Example: If Caller A calls B, but B has forwarded all calls to C and C hasforwarded all calls to D, then the notification box that D sees contains thephone i...
Page 139 - Set Up Incoming Call Toast Timer
3 Enterprise Phone Configuration window settings Step 3 Select Save . Set Up Forced Authorization Codes You can force users to enter a Forced Authorization Code (FAC) when placing a call. For more information,see the “ Client Matter Codes and Forced Authorization Codes ” chapter of the Cisco Unified...
Page 140 - Set the Incoming Call Toast Timer field.; Incoming Call Toast Timer; Eliminates the need to manually control firmware upgrades
2 Device > Device Settings > Common Phone Profile 3 System > Enterprise Phone Step 2 If required, locate the phone. Step 3 Set the Incoming Call Toast Timer field. Description Field Gives the time, in seconds, that the toast displays. The time includes thefade-in and fade-out times for the ...
Page 142 - Set Headset Sidetone Control
c) Select Save . Enable Device Invoked Recording Configure the Device Invoked Recording feature from Cisco Unified Communications Manager Administration.For more information and detailed instructions, see the “ Monitoring and Recording ” chapter in the Cisco Unified Communications Manager Features a...
Page 143 - Administration path
The Disabled option is selected by default. Step 3 Click Save . Control Phone Web Page Access For security purposes, access to the phone web pages is disabled by default. This practice prevents access tothe phone web pages and the Cisco Unified Communications Self Care Portal. Some features, such as...
Page 144 - Set Up UCR 2008 in Common Device Configuration; Set Up UCR 2008 in Common Phone Profile
Administration path Parameter Device > Device Settings > Common Phone Profile 80-bit SRTCP System > Enterprise Phone Configuration Device > Device Settings > Common Device Configuration IP Addressing Mode Device > Device Settings > Common Device Configuration IP Addressing ModeP...
Page 145 - Set Up UCR 2008 in Enterprise Phone Configuration
Procedure Step 1 In Cisco Unified Communications Manager Administration, choose Device > Device Settings > Common Phone Profile . Step 2 Set the FIPS Mode parameter to Enabled . Step 3 Set the SSH Access parameter to Disabled . Step 4 Set the 80-bit SRTCP parameter to Enabled . Step 5 Select S...
Page 146 - Fwd ALL
Set Up Softkey Template You can associate up to 18 softkeys with applications that are supported by the Cisco IP Phone 7821, 7841,and 7861. An application that supports softkeys can have one or more standard softkey templates associatedwith it. Cisco Unified Communications Manager supports the Stand...
Page 147 - Cancel
Notes Supportstatus Configurable softkeysin the SoftkeyTemplateconfiguration Feature Phone displays Cancel if the call is not answered. Yes End Call (EndCall) End Call Configure as a programmable line button orsoftkey Yes Group PickUp(GPickUp) Group Pickup Hold is a dedicated button. Yes Hold (Hold)...
Page 149 - Set Up HTTPS for Phone Services
Set Up Join and Direct Transfer Policy Some JTAPI/TAPI applications are not compatible with the Join and Direct Transfer feature implementationon the Cisco IP Phone. In order for these applications to control and monitor these phones, you must configurethe Join and Direct Transfer Policy to disable ...
Page 150 - Modify Phone Button Template
Procedure Step 1 In Cisco Unified Communications Manager Administration, select Device > Phone or System > Enterprise Phone Configuration . Step 2 Enable the HTTPS Service parameter Step 3 Select Save . Phone Button Templates Phone button templates let you assign speed dials and call-handling ...
Page 151 - Set Up PAB or Speed Dial as IP Phone Service
Set Up PAB or Speed Dial as IP Phone Service You can modify a phone button template to associate a service URL with a programmable button. Doing soprovides users with single-button access to the PAB and Speed Dials. Before you modify the phone buttontemplate, you must configure PAB or Speed Dials as...
Page 152 - Modify Phone Button Template for PAB or Fast Dial
Modify Phone Button Template for PAB or Fast Dial You can modify a phone button template to associate a service URL with a programmable button. Doing soprovides users with single-button access to the PAB and Speed Dials. Before you modify the phone buttontemplate, you must configure PAB or Speed Dia...
Page 155 - Corporate Directory Setup, page 141; Corporate Directory Setup; Personal Directory Setup
C H A P T E R 11 Corporate and Personal Directory Setup • Corporate Directory Setup, page 141 • Personal Directory Setup, page 141 • User Personal Directory Entries Setup, page 142 Corporate Directory Setup The Corporate Directory allows a user to look up phone numbers for coworkers. To support this...
Page 156 - Download Cisco IP Phone Address Book Synchronizer; Application; Cisco IP Phone Address Book Synchronizer Deployment
• From the Cisco IP Phone: Choose Contacts to search the corporate directory or the user personal directory. • From a Microsoft Windows application: Users can use the TABSynch tool to synchronize their PABswith Microsoft Windows Address Book (WAB). Customers who want to use the Microsoft OutlookAddr...
Page 157 - Install Synchronizer; Set Up Synchronizer, on page 143; Set Up Synchronizer
To successfully synchronize the Windows address book with the Personal Address Book, all Windowsaddress book users should be entered in the Windows address book before you perform the followingprocedures. Tip Install Synchronizer To install the Cisco IP Phone Address Book Synchronizer, follow these ...
Page 159 - Monitoring Phone Systems, page 147
P A R T V Cisco IP Phone Troubleshooting • Monitoring Phone Systems, page 147 • Troubleshooting , page 175 • Maintenance, page 195 • International User Support, page 199
Page 161 - Monitoring Phone Systems Overview, page 147; Monitoring Phone Systems Overview; Troubleshooting , on page 175; Cisco IP Phone Status
C H A P T E R 12 Monitoring Phone Systems • Monitoring Phone Systems Overview, page 147 • Cisco IP Phone Status , page 147 • Cisco IP Phone Web Page, page 159 Monitoring Phone Systems Overview Each Cisco IP Phone has a web page from which you can view a variety of information about the phone,includi...
Page 162 - Display Model Information Window; Display Status Menu
You can use the information that displays on these screens to monitor the operation of a phone and to assistwith troubleshooting. You can also obtain much of this information, and obtain other related information, remotely through thephone web page. For more information about troubleshooting the Cis...
Page 163 - Phone Displays Error Messages, on page 178; Possible explanation and action
Procedure Step 1 Press Applications . Step 2 Select Admin Settings > Status > Status Messages . Step 3 To remove current status messages, press Clear List . Step 4 To exit the Status Messages screen, press Exit. Related Topics Phone Displays Error Messages, on page 178 Status Messages Fields T...
Page 165 - IP address released; displays on the phone.
Possible explanation and action Description Message The configuration file for a phone is created whenthe phone is added to the Cisco UnifiedCommunications Manager database. If the phonedoes not exist in the Cisco UnifiedCommunications Manager database, the TFTPserver generates a CFG File Not Found ...
Page 167 - Display Network Statistics Window
Possible explanation and action Description Message Phone has CTL and ITL files installed and itfailed to update the new CTL and ITL files. Possible reasons for failure: • Network failure occurred. • TFTP server was down. • The new security token that was used to signCTL file and the TFTP certificat...
Page 168 - Network Statistics Fields
Procedure Step 1 Press Applications . Step 2 Select Admin Settings . Step 3 Select Status . Step 4 Select Status > Network Statistics . Step 5 To reset the Rx Frames, Tx Frames, and Rx Broadcasts statistics to 0, press Clear . Step 6 To exit the Network Statistics screen, press Back . Network Sta...
Page 171 - Display Call Statistics Window; Call Statistics Fields
Display Call Statistics Window You can access the Call Statistics screen on the phone to display counters, statistics, and voice-quality metricsof the most recent call. You can also remotely view the call statistics information by using a web browser to access the StreamingStatistics web page. This ...
Page 172 - Voice-Quality Metrics; Display Security Configuration Window
Description Item Number of RTP voice packets that were transmitted since voice streamopened. This number is not necessarily identical to the number of RTP voicepackets that were transmitted since the call began because the callmight have been placed on hold. Note Sender Packets Estimated average RTP...
Page 173 - Security Configuration Fields; Display Model
Procedure Step 1 Press Applications . Step 2 Select Admin Settings . Step 3 Select Security . Step 4 To exit, press Exit . Security Configuration Fields The Security Configuration screen displays these items. Table 20: Security Configuration items Description Item Displays the security mode that is ...
Page 174 - Control Phone Web Page Access, on page 129; Access Web Page for Phone; Access Web Page
Related Topics Control Phone Web Page Access, on page 129 Access Web Page for Phone To access the web page for a Cisco IP Phone, follow these steps: If you cannot access the web page, it may be disabled by default. Note Procedure Step 1 Obtain the IP address of the Cisco IP Phone by using one of the...
Page 175 - Network Setup
Description Item Revision value of the phone hardware. Hardware Revision Unique serial number of the phone. Serial Number Model number of the phone. Model Number Indicates whether is a voice message is waiting on the primary line for this phone. Message Waiting Displays the following Cisco Unique De...
Page 182 - Network Statistics; Ethernet; Access Web Page for Phone, on page 160
Description Item Displays the primary IPv6 TFTP server used by the phone or allows the user to seta new primary TFTP server. IPv6 TFTP Server 1 Displays the secondary IPv6 TFTP server used if the primary IPv6 TFTP server isunavailable or allows the user to set a new secondary TFTP server. IPv6 TFTP ...
Page 183 - Access Area and Network Area Web Pages
Description Item Total number of broadcast packets that the phone receives.. Rx broadcast Total number of multicast packets that the phone receives. Rx multicast Total number of unicast packets that the phone receives. Rx unicast Total number of shed packets that the no Direct Memory Access (DMA) de...
Page 185 - Device Logs; Access; Streaming Statistics
Description Item Identifier of a device connected to this port that CDP discovered. CDP Neighbor Device ID IP address of the neighbor device discovered that CDP protocol discovered. CDP Neighbor IP Address IPv6 address of the neighbor device discovered that CDP protocoldiscovered. CDP Neighbor IPv6 ...
Page 189 - General Troubleshooting Information; Explanation
C H A P T E R 13 Troubleshooting • General Troubleshooting Information, page 175 • Startup Problems, page 177 • Cisco IP Phone Reset Problems, page 180 • Phone Cannot Connect to LAN, page 183 • Cisco IP Phone Security Problems, page 183 • Audio Problems, page 187 • General Telephone Call Problems, p...
Page 190 - Apply Phone Password, on page
Explanation Summary If you power your phone through the network connection, you mustbe careful if you decide to unplug the network connection of the phoneand plug the cable into a desktop computer. The network card in the computer cannot receive powerthrough the network connection; if power comes th...
Page 191 - Verify Phone Startup, on page 43; Cisco IP Phone Does Not Go Through Normal Startup Process; Problem; Verify that the network port is functional:
Startup Problems After you install a Cisco IP Phone into your network and add it to Cisco Unified Communications Manager,the phone should start up as described in the related topic below. If the phone does not start up properly, see the following sections for troubleshooting information. Related Top...
Page 192 - Phone Displays Error Messages; Status messages display errors during startup.; Phone Cannot Connect to TFTP Server; The TFTP server settings may not be correct.
• After you attempt these solutions, if the phone screen on the Cisco IP Phone does not display anycharacters after at least five minutes, contact a Cisco technical support representative for additionalassistance. Related Topics Verify Phone Startup, on page 43 Cisco IP Phone Does Not Register with ...
Page 193 - Phone Cannot Connect to Server; Check DHCP Settings, on page 190; Phone Cannot Connect Using DNS; The DNS settings may be incorrect.
Solution Check the TFTP settings. Related Topics Check TFTP Settings, on page 189 Phone Cannot Connect to Server Problem The IP addressing and routing fields may not be configured correctly. Solution You should verify the IP addressing and routing settings on the phone. If you are using DHCP, the DH...
Page 194 - Configuration File Corruption; Create a new phone configuration file. See; Cisco Unified Communications Manager Phone Registration; Phone Addition; to search for the phone based on; Cisco IP Phone Cannot Obtain IP Address
Configuration File Corruption Problem If you continue to have problems with a particular phone that other suggestions in this chapter do not resolve,the configuration file may be corrupted. Solution Create a new phone configuration file. See Create New Phone Configuration File, on page 191 for detai...
Page 195 - Phone Resets Due to Intermittent Network Outages; Your network may be experiencing intermittent outages.; Phone Resets Due to DHCP Setting Errors; The DHCP settings may be incorrect.; Phone Resets Due to Incorrect Static IP Address; The static IP address assigned to the phone may be incorrect.; Phone Resets During Heavy Network Usage
Typically, a phone resets if it has problems in connecting to the Ethernet network or to Cisco UnifiedCommunications Manager. Phone Resets Due to Intermittent Network Outages Problem Your network may be experiencing intermittent outages. Solution Intermittent network outages affect data and voice tr...
Page 196 - Phone Resets Due to Intentional Reset; Phone Resets Due to DNS or Other Connectivity Issues; Determine DNS or Connectivity Issues, on page 189; Phone Does Not Power Up
Solution Isolating the phones on a separate auxiliary VLAN increases the quality of the voice traffic. Phone Resets Due to Intentional Reset Problem If you are not the only administrator with access to Cisco Unified Communications Manager, you shouldverify that no one else has intentionally reset th...
Page 197 - The physical connection to the LAN may be broken.; Cisco IP Phone Security Problems; CTL File Problems; Authentication Error, Phone Cannot Authenticate CTL File; A device authentication error occurs.; Phone Cannot Authenticate CTL File; Phone cannot authenticate the CTL file.
Phone Cannot Connect to LAN Problem The physical connection to the LAN may be broken. Solution Verify that the Ethernet connection to which the Cisco IP Phone connects is up. For example, check whetherthe particular port or switch to which the phone connects is down and that the switch is not reboot...
Page 198 - TFTP Authorization Fails; Phone reports TFTP authorization failure.; Phone Does Not Register
CTL File Authenticates but Other Configuration Files Do Not Authenticate Problem Phone cannot authenticate any configuration files other than the CTL file. Cause A bad TFTP record exists, or the configuration file may not be signed by the corresponding certificate in thephone Trust List. Solution Ch...
Page 199 - Signed Configuration Files Are Not Requested; X Authentication Problems; Configuring IP
Cause The CTL file does not contain the correct information for the Cisco Unified Communications Manager server. Solution Change the Cisco Unified Communications Manager server information in the CTL file. Signed Configuration Files Are Not Requested Problem Phone does not request signed configurati...
Page 200 - X Enabled on Phone but Phone Does Not Authenticate; Identify 802.1X Authentication
See If all the following conditions apply, 802.1X Not Enabled, on page 186 • Phone cannot obtain a DHCP-assigned IPaddress. • Phone does not register with Cisco UnifiedCommunications Manager. • Phone status displays Configuring IP or Registering . • 802.1X Authentication Status displays Disabled . •...
Page 201 - Factory Reset of Phone Has Deleted 802.1X Shared Secret; After a reset, the phone does not authenticate.; The following sections describe how to resolve audio problems.; No Speech Path; One or more people on a call do not hear any audio.; Choppy Speech; A user complains of choppy speech on a call.
Cause These errors typically indicate that 802.1X authentication is not enabled on the phone. Solution If 802.1X is not enabled on the phone, see 802.1X Authentication section. Factory Reset of Phone Has Deleted 802.1X Shared Secret Problem After a reset, the phone does not authenticate. Cause These...
Page 202 - Phone Call Cannot Be Established; Phone Does Not Recognize DTMF Digits or Digits Are Delayed
Cause There may be a mismatch in the jitter configuration. Solution Check the AvgJtr and the MaxJtr statistics. A large variance between these statistics might indicate a problemwith jitter on the network or periodic high rates of network activity. General Telephone Call Problems The following secti...
Page 203 - Check TFTP Settings; Phone Cannot Connect to TFTP Server, on page 178; Determine DNS or Connectivity Issues
Troubleshooting Procedures These procedures can be used to identify and correct problems. Check TFTP Settings Procedure Step 1 You can determine the IP address of the TFTP server that the phone uses by pressing Applications , then selecting Admin Settings > Network Setup > IPv4 Setup > TFTP...
Page 204 - Basic Reset, on page 195; Check DHCP Settings; Troubleshooting Switch; Phone Cannot Connect to Server, on page 179
Related Topics Basic Reset, on page 195 Determine Phone MAC Address, on page 45 Check DHCP Settings Procedure Step 1 On the Cisco IP Phone, press Applications . Step 2 Select Admin Settings > Network Setup > IPv4 Setup , and look at the following options: • DHCP Server: If you have assigned a ...
Page 205 - Create New Phone Configuration File; Identify 802.1X Authentication Problems
Create New Phone Configuration File Note • When you remove a phone from the Cisco Unified Communications Manager database, theconfiguration file is deleted from the Cisco Unified Communications Manager TFTP server. Thephone directory number or numbers remain in the Cisco Unified Communications Manag...
Page 206 - Verify DNS Settings; Phone Cannot Connect Using DNS, on page 179; Start Service
If the shared secret is configured, verify that you have the same shared secret on the authenticationserver. • • If the shared secret is not configured on the phone, enter it, and ensure that it matches the shared secreton the authentication server. Verify DNS Settings To verify DNS settings, follow...
Page 207 - Contact Cisco TAC for more information and assistance.; Set the following parameters:
Additional Troubleshooting Information If you have additional questions about troubleshooting your phone, go to the following Cisco website andnavigate to the desired phone model: http://www.cisco.com/cisco/web/psa/troubleshoot.html Control Debug Information from Cisco Unified Communications Manager...
Page 209 - Basic Reset, page 195; Basic Reset
C H A P T E R 14 Maintenance • Basic Reset, page 195 • Remove CTL File, page 197 • Quality Report Tool, page 197 • Voice Quality Monitoring, page 197 • Cisco IP Phone Cleaning, page 198 Basic Reset Performing a basic reset of a Cisco IP Phone provides a way to recover if the phone experiences an err...
Page 210 - Perform Factory Reset Phone Keypad; Perform Factory Reset from Phone Menu
Related Topics Determine DNS or Connectivity Issues, on page 189 Factory Reset of Phone Has Deleted 802.1X Shared Secret, on page 187 Perform Factory Reset Phone Keypad Use these steps to reset the phone to factory default settings using the phone keypad. Procedure Step 1 Unplug the phone: • If usin...
Page 211 - Administrator Settings; Quality Report Tool; Cisco Unified Communications Manager Features and Services; Voice Quality Monitoring
Remove CTL File Deletes only the CTL file from the phone. Procedure Step 1 From the Administrator Settings menu, if required, unlock phone options. Step 2 Choose Reset Settings > Security Settings . Related Topics Apply Phone Password, on page 38 Quality Report Tool The Quality Report Tool (QRT) ...
Page 212 - Voice Quality Troubleshooting Tips; Condition; Network impairment from packet loss or high jitter.
You can access voice quality metrics from the Cisco IP Phone using the Call Statistics screen or remotely byusing Streaming Statistics. Voice Quality Troubleshooting Tips When you observe significant and persistent changes to metrics, use the following table for generaltroubleshooting information. T...
Page 213 - International Call Logging Support, page 199; Unified Communications Manager Endpoints Locale Installer; Cisco Unified Communications Operating; International Call Logging Support
C H A P T E R 15 International User Support • Unified Communications Manager Endpoints Locale Installer, page 199 • International Call Logging Support, page 199 Unified Communications Manager Endpoints Locale Installer By default, Cisco IP Phones are set up for the English (United States) locale. To...
Page 215 - I N D E X; alerts
I N D E X A alerts 19 visual 19 line state 19 Applications 19, 23, 27 button 19, 23, 27 Cisco Unified IP Phone 7821 19 Cisco Unified IP Phone 7841 23 Cisco Unified IP Phone 7861 27 audible alert, See alerts B buttons 19, 23, 27 Cisco Unified IP Phone 7821 19 Applications 19 Conference 19 Contacts 19...