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Cisco Systems 6901 Providing Power to the Cisco Unified IP Phone

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Cisco Unified IP Phone 6901 and 6911 Administration Guide for Cisco Unified Communications Manager 8.5 (SCCP and SIP)

OL-23874-01

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

Providing Power to the Cisco Unified IP Phone

• Data traffic present on the VLAN supporting phones might 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 increases 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

switch information at this URL:

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

Related Topics

• Understanding the Phone Startup Process, page 2-6

• Configuring Settings on the Cisco Unified IP Phone, page 4-1

Providing Power to the Cisco Unified IP Phone

The Cisco Unified IP Phone 6901 and 6911 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

• Power Outage, page 2-4

• Obtaining Additional Information About Power, page 2-5

Contents

Main Page CONTENTS Page Page Page Page Page Preface Overview Audience Organization Related Documentation Obtaining Documentation, Obtaining Support, and Security Guidelines Cisco Product Security Overview Document Conventions An Overview of the Cisco Unified IP Phone Understanding the Cisco Unified IP Phone 6901 and 6911 Page Page Page What Networking Protocols are Used? Page Page What Features are Supported on the Cisco Unified IP Phone 6901 and 6911? Feature Overview Configuring Telephony Features Configuring Network Parameters Using the Cisco Unified IP Phone Providing Users with Feature Information Understanding Security Features for Cisco Unified IP Phones Page Page Overview of Supported Security Features Page Understanding Security Profiles Identifying Authenticated, Encrypted, and Protected Phone Calls Establishing and Identifying Protected Calls Call Security Interactions and Restrictions Supporting 802.1X Authentication on Cisco Unified IP Phones Overview Required Network Components Best PracticesRequirements and Recommendations Overview of Configuring and Installing Cisco Unified IP Phones Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager Page Page Installing Cisco Unified IP Phones Checklist for Installing the Cisco Unified IP Phone 6901 and 6911 Terminology Differences Preparing to Install the Cisco Unified IP Phone on Your Network Understanding Interactions with Other Cisco Unified IP Telephony Products Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified Communications Manager Understanding How the Cisco Unified IP Phone 6911 Interacts with the VLAN Providing Power to the Cisco Unified IP Phone Power Guidelines Power Outage Obtaining Additional Information About Power Understanding Phone Configuration Files Understanding the Phone Startup Process Adding Phones to the Cisco Unified Communications Manager Database Adding Phones with Auto-Registration Adding Phones with Auto-Registration and TAPS Adding Phones with Cisco Unified Communications Manager Administration Adding Phones Using the BAT Phone Template Using Cisco Unified IP Phones with Different Protocols Converting a New Phone from SCCP to SIP Converting an In-Use Phone from One Protocol to the Other Protocol Deploying a Phone in an SCCP and SIP Environment Determining the MAC Address for a Cisco Unified IP Phone Setting Up the Cisco Unified IP Phone Before You Begin Network Requirements Cisco Unified Communications Manager Configuration Understanding the Cisco Unified IP Phone 6901 and 6911 Components Network and Access Ports Handset Speakerphone (Cisco Unified IP Phone 6911 Only) Installing the Cisco Unified IP Phone Page Page Footstand Page Mounting the Phone to the Wall Verifying the Phone Startup Process Configuring Startup Network Settings Configuring Security on the Cisco Unified IP Phone Configuring Settings on the Cisco Unified IP Phone Configuring Settings on the Cisco Unified IP Phone Phone Settings Options Accessing the Phone Configuration Settings Accessing the IVR and Configuring Your Phone Setting Page Page Configuring Features, Templates, Services, and Users Telephony Features Available for the Cisco Unified IP Phone Page Page Page Page Page Page Adding Users to Cisco Unified Communications Manager Managing the User Options Web Pages Giving Users Access to the User Options Web Pages Page Specifying Options that Appear on the User Options Web Pages Page Monitoring the Cisco Unified IP Phone Remotely Accessing the Web Page for a Phone Disabling and Enabling Web Page Access Device Information Network Setup Page Page Network Statistics Page Device Logs Status Messages Page Page Streaming Statistics Page Page Page Troubleshooting and Maintenance Resolving Startup Problems Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process Symptom: The Cisco Unified IP Phone Does Not Register with Cisco Unified Communications Manager Identifying Error Messages Checking Network Connectivity Verifying TFTP Server Settings Verifying IP Addressing and Routing Cisco CallManager and TFTP Services Are Not Running Creating a New Configuration File Registering the Phone with Cisco Unified Communications Manager Symptom: Cisco Unified IP Phone Unable to Obtain IP Address Cisco Unified IP Phone Resets Unexpectedly Verifying the Physical Connection Identifying Intermittent Network Outages Verifying DHCP Settings Checking Static IP Address Settings Verifying the Voice VLAN Configuration Verifying that the Phones Have Not Been Intentionally Reset Eliminating DNS or Other Connectivity Errors Checking Power Connection General Troubleshooting Tips Page Resetting or Restoring the Cisco Unified IP Phone Performing a Basic Reset Performing a Factory Reset Monitoring the Voice Quality of Calls Using Voice Quality Metrics Troubleshooting Tips Where to Go for More Troubleshooting Information Cleaning the Cisco Unified IP Phone Page A Providing Information to Users Via a Website How Users Obtain Support for the Cisco Unified IP Phone Giving Users Access to the User Options Web Pages How Users Configure Phone Features How Users Access a Voice Messaging System B Supporting International Users Installing the Cisco Unified Communications Manager Locale Installer Page C Technical Specifications Physical and Operating Environment Specifications Cable Specifications Network and Access Port Pinouts Page D Basic Phone Administration Steps Example User Information for These Procedures Adding a User to Cisco Unified Communications Manager Adding a User From an External LDAP Directory Adding a User Directly to Cisco Unified Communications Manager Configuring the Phone Page Page Performing Final End User Configuration Steps Page Page E Installing the Wall Mount for the Cisco Unified IP Phone 6901 and 6911 Installing a Wall Mount for the Cisco Unified IP Phone 6901 21 3 4 Installing the Phone on Wall Mount Plate Page Page Page Installing a Wall Mount for the Cisco Unified IP Phone 6911 Installing the Bracket E-9 Figure E-8 Mounting the Wall Bracket AB C D Page Page Page Page Page F Cisco Unified IP Phone Non-Lockable Wall Mount ADA Non-Lockable Wall Mount Kit for 6900 Series Components Install Non-Lockable Wall Mount Kit for Phone Page Page Remove Phone from Non-Lockable Wall Mount Page Page G Feature Support by Protocol for the Cisco Unified IP Phone 6901 and 6911 Page Page Page INDEX Numerics A B D E F G H I K L M O P R S T U V W