Cisco CP-3911 - Unified SIP Phone 3911 VoIP Administration Manual
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Cisco CP-3911 - Unified SIP Phone 3911 VoIP Administration Manual

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Cisco Unified SIP Phone 3911
Administration Guide for Cisco
Unified Communications Manager
6.0 and 5.1
Americas Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel:
408 526-4000
800 553-NETS (6387)
Fax:
408 527-0883
Text Part Number: OL-14029-01

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Summary of Contents for Cisco CP-3911 - Unified SIP Phone 3911 VoIP

  • Page 1 Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 6.0 and 5.1 Americas Headquarters Cisco Systems, Inc. 170 West Tasman Drive San Jose, CA 95134-1706 http://www.cisco.com Tel: 408 526-4000 800 553-NETS (6387) Fax: 408 527-0883 Text Part Number: OL-14029-01...
  • Page 2 You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...
  • Page 3 CCVP, the Cisco logo, and the Cisco Square Bridge logo are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn is a service mark of Cisco Systems, Inc.; and Access Registrar, Aironet, BPX, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, Cisco, the Cisco...

  • Page 5: Table Of Contents

    Overview of Configuring and Installing Cisco Unified IP Phones 1-10 Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager 1-10 Checklist for Configuring the Cisco Unified IP Phone in Cisco Unified Communications Manager 1-11 Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 6 C H A P T E R Before You Begin Network Requirements Cisco Unified Communications Manager Configuration Safety Understanding the Cisco Unified IP Phone Components Network Port Handset Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 7 Adding Users to Cisco Unified Communications Manager Viewing Status, Statistics, and Firmware Information on the Cisco C H A P T E R Unified IP Phone Network Statistics Screen Firmware Versions Screen Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 8 Troubleshooting and Maintenance C H A P T E R 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...
  • Page 9 Installing the Cisco Unified Communications Manager Locale Installer Technical Specifications A P P E N D I X Physical and Operating Environment Specifications Network Port Pinouts N D E X Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 10 Contents Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager viii OL-14029-01...

  • Page 11: Preface

    Many of the tasks involve configuring network settings and affect the phone’s ability to function in the network. Because of the close interaction between the Cisco Unified IP Phone and Cisco Unified Communications Manager, many of the tasks in this manual require familiarity with Cisco Unified Communications Manager.

  • Page 12: Objectives

    Preface Objectives Objectives This guide provides the required steps to get the Cisco Unified IP Phone up and running on a Voice-over-IP (VoIP) network. Organization This manual is organized as follows: Chapter Description Chapter 1, “An Overview of the Provides a conceptual overview and description of Cisco Unified IP Phone”...

  • Page 13: Related Documentation

    Cisco Unified Communications Manager Related publications are available at the following URL: http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_ series_home.html Cisco Unified Communications Manager Business Edition Related publications are available at the following URL: http://www.cisco.com/en/US/products/ps7273/tsd_products_support_series_ho me.html Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 14: Obtaining Documentation, Obtaining Support, And Security Guidelines

    ^D in a screen display means hold down the Control key while you press the D key. < > Nonprinting characters, such as passwords are in angle brackets. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 15 Means danger. You are in a situation that could cause bodily injury. Before you Warning work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager xiii OL-14029-01...
  • Page 16 Preface Document Conventions Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 17: Chapter 1 An Overview Of The Cisco Unified Ip Phone

    Understanding the Cisco Unified SIP Phone 3911, page 1-2 • What Networking Protocols Are Used?, page 1-3 • What Features are Supported on the Cisco Unified SIP Phone 3911?, page 1-7 • Understanding Security Features for Cisco Unified SIP Phone 3911, page 1-9 •...

  • Page 18: Understanding The Cisco Unified Sip Phone 3911

    Figure 1-1 shows the main components of the Cisco Unified SIP Phone 3911. Figure 1-1 Cisco Unified SIP Phone 3911 Cisco SIP Phone CISCO 3911 PQRS WXYZ Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 19: What Networking Protocols Are Used

    Cisco Unified IP Phones support several industry-standard and Cisco networking protocols required for voice communication. Table 1-1 provides an overview of the networking protocols supported on the Cisco Unified SIP Phone 3911. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 20 Hypertext Transfer HTTP is the standard way of Cisco Unified SIP Phone 3911 Protocol (HTTP) transferring information and moving supports HTTP. documents across the Internet and the web. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 21 Media Gateway in operation. Some endpoints in the conference. SIP endpoints may allow these parameters to be configured on the endpoint itself. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 22 Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified • Communications Manager, page 2-2 Understanding the Phone Startup Process, page 2-7 • Configuration Menus on the Cisco Unified IP Phone, page 4-3 • Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 23: What Features Are Supported On The Cisco Unified Sip Phone 3911

    Cisco Unified IP Phones provide traditional telephony functionality, such as call forwarding and transferring, redialing, speed dialing, and voice messaging system access. Cisco Unified IP phones also provide a variety of other features. For an overview of the telephony features that the Cisco Unified IP Phone supports and for tips on configuring them, see the “Telephony Features Available for the Cisco...

  • Page 24: Configuring Telephony Features

    Troubleshooting and Maintenance, page 7-1 • Configuring Telephony Features You can modify additional settings for the Cisco Unified IP Phone from the Cisco Unified Communications Manager Administration application. Use this web-based application to set up phone registration criteria and calling search spaces.

  • Page 25: Providing Users With Feature Information

    Providing Users with Feature Information If you are a system administrator, you are likely the primary source of information for Cisco Unified IP Phone users in your network or company. To ensure that you distribute the most current feature and procedural information, familiarize yourself with Cisco Unified IP Phone documentation.

  • Page 26: Overview Of Configuring And Installing Cisco Unified Ip Phones

    “System Configuration Overview” chapter in Cisco Unified Communications Manager System Guide. After you have set up the IP telephony system and configured system-wide features in Cisco Unified Communications Manager, you can add IP phones to the system. The following topics provide an overview of procedures for adding...

  • Page 27: Communications Manager

    Partition, calling search space, and • location information Associated directory number (DN) • to assign to the phone Cisco Unified Communications • Manager user to associate with the phone Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 1-11 OL-14029-01...

  • Page 28: Adding Users To Cisco Unified Communications Manager

    Guide, Name (last) • Manager. “End User Configuration” • User ID chapter. See the “Adding Users to Cisco Unified Communica- tions Manager” section on page 5-5. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 1-12 OL-14029-01...

  • Page 29: Sip Dial Rules

    Configurations” chapter and generate DTMFs. “Cisco Unified IP Phone” chapter. See the “Enabling the Cisco Unified SIP Phone 3911 to Use DTMF” section on page 4-9. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 1-13 OL-14029-01...

  • Page 30: Checklist For Installing The Cisco Unified Ip Phone

    You (or the phone users) can install the phone at the users’s location. The Cisco Unified IP Phone Installation Guide that ships in the box with each phone provides directions for connecting the phone handset, cables, and other accessories.
  • Page 31 Server 1 and DNS Server 2. Enter the domain name where the • phone resides Enter the Cisco Unified • Communications Manager IP address for TFTP Server Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 1-15 OL-14029-01...
  • Page 32 Information to Users configure their phone options. cessfully use their Via a Website.” Cisco Unified IP Phones. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 1-16 OL-14029-01...

  • Page 33: Administration

    This chapter provides an overview of the interaction between the Cisco Unified IP Phone and other key components of the Voice over IP (VoIP) network. It includes the following topics: Understanding How the Cisco Unified IP Phone Interacts with Cisco Unified •...

  • Page 34: Understanding How The Cisco Unified Ip Phone Interacts With Cisco Unified Communications Manager

    To function in the IP telephony network, the Cisco Unified IP Phone must be connected to a networking device, such as a Cisco Catalyst switch. You must also register the Cisco Unified IP Phone with a Cisco Unified Communications Manager system before sending and receiving calls.

  • Page 35: Providing Power To The Cisco Unified Ip Phone

    Preparing to Install the Cisco Unified IP Phone on Your Network Providing Power to the Cisco Unified IP Phone If the Cisco Unified IP Phone model that you want to configure does not appear Note in the Phone Type drop-down list in Cisco Unified Communications Manager...

  • Page 36: Cisco Unified Ip Phone Power Injector

    Cisco Unified IP Phone Power Injector The Cisco Unified IP Phone Power Injector is an external, single-port, midspan power injector for use with Cisco Unified IP Phones. It supports a maximum cable length of 100m between the unpowered switch and the Cisco Unified IP Phone.

  • Page 37: Power Outage

    Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Providing Power to the Cisco Unified IP Phone For more information, see the Cisco Unified IP Phone Power Injector Installation Guide at the following location: http://www.cisco.com/en/US/products/hw/phones/ps379/prod_installation_guide 09186a00806b0761.html...

  • Page 38: Understanding Phone Configuration Files

    The phone is registering for the first time • If auto registration is not enabled and the phone has not been added to the Cisco Unified Communications Manager Database, the phone registration request will be rejected. In this case, the phone will reset and attempt to register repeatedly.

  • Page 39: Sip Dial Rules

    For more information on configuring SIP dial rules, refer to the Cisco Unified Communications Manager Administration Guide. Understanding the Phone Startup Process When connecting to the VoIP network, the Cisco Unified IP Phone go through a standard startup process that is described in Table 2-3.
  • Page 40 Cisco Cisco Unified Com- Unified Communications Manager and other in- munications Manager formation for the phone. Database, page 2-9. Resolving Startup • Problems, page 7-1. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 41: Adding Phones To The Cisco Unified Communications Manager Database

    Adding Phones to the Cisco Unified Communications Manager Database Before installing the Cisco Unified IP phone, you must choose a method for adding phones to the Cisco Unified Communications Manager database. These sections describe the methods: Adding Phones with Auto-Registration, page 2-10 •...

  • Page 42: Adding Phones With Auto-Registration

    Adding Phones to the Cisco Unified Communications Manager Database Adding Phones with BAT, page 2-12 • Table 2-4 provides an overview of these methods for adding phones to the Cisco Unified Communications Manager database. Table 2-4 Methods for Adding Phones to the Cisco Unified Communica-...
  • Page 43 To implement TAPS, you or the end-user dial a TAPS directory number and follow voice prompts. When the process is complete, the phone will have downloaded its directory number and other settings, and the phone will be updated in Cisco Unified Communications Manager Administration with the correct MAC address.

  • Page 44: Adding Phones With Bat

    Phone Several procedures described in this manual require you to determine the MAC address of a Cisco Unified IP Phone. You can determine a phone’s MAC address in these ways: From the phone, press the OK button and select Settings > Network •...

  • Page 45: Before You Begin

    • Configuring Startup Network Settings, page 3-11 • Before you install a Cisco Unified IP phone, you must decide how to configure Note the phone in your network. Then you can install the phone and verify its functionality. For more information, see Chapter 2, “Preparing to Install the Cisco...

  • Page 46: Network Requirements

    Setting Up the Cisco Unified IP Phone Before You Begin Network Requirements For the Cisco Unified SIP Phone 3911 to successfully operate as a Cisco Unified IP Phone endpoint in your network, your network must meet the following requirements: Working Voice over IP (VoIP) Network: •...
  • Page 47 Setting Up the Cisco Unified IP Phone Before You Begin Safety Review the following warnings before installing the Cisco Unified IP Phone. To see translations of these warnings, refer to the Regulatory Compliance and Safety Information for the Cisco Unified IP Phone document that accompanied this device.

  • Page 48: Understanding The Cisco Unified Ip Phone Components

    Warning as the main disconnecting device. #331 Understanding the Cisco Unified IP Phone Components The Cisco Unified SIP Phone 3911 includes these components on the phone or as accessories for the phone: Network Port, page 3-5 • Handset, page 3-5 •...

  • Page 49: Speakerphone

    Setting Up the Cisco Unified IP Phone Understanding the Cisco Unified IP Phone Components Network Port The back of the Cisco Unified SIP Phone 3911 has a port that you use to connect to the network. Handset The handset is designed especially for use with a Cisco Unified SIP Phone. To connect a handset to the Cisco Unified SIP Phone, plug the cable into the handset and the Handset port on the back of the phone.

  • Page 50: Audio Quality Subjective To User

    This hum can either be heard by the remote party or by both the remote party and the Cisco Unified IP Phone user. Some potential humming or buzzing sounds can be caused by a range of outside sources, for example, electric lights, being near electric motors, large PC monitors.
  • Page 51 Connect a Category 3 or 5 — See the “Network Port” section straight-through Ethernet cable on page 3-5 for guidelines. from the switch to the network port. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 52 RJ-9 Handset port for connecting the handset. 5 Power cable with wall socket plug for connecting to power. DC adaptor port (DC48V) for phones not Footstand provided with inline power. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 53: Mounting The Phone To The Wall

    • Mounting the Phone to the Wall You can mount the Cisco Unified IP Phone on the wall by using special brackets available in a Cisco Unified IP Phone wall mount kit. (Wall mount kits must be ordered separately from the phone.) If you attach the Cisco Unified IP Phone to a...

  • Page 54: Verifying The Phone Startup Process

    Hang the phone on the wall. Step 4 Verifying the Phone Startup Process After the Cisco Unified IP Phone has power connected to it, the phone begins its startup process by cycling through these following steps: These buttons lights up: Voice Message Light Indicator –...

  • Page 55: Configuring Startup Network Settings

    Configuring Startup Network Settings Configuring Startup Network Settings If you are not using DHCP in your network, you must configure these network settings on the Cisco Unified IP Phone after installing the phone on the network: IP address • IP subnet mask •...
  • Page 56 Chapter 3 Setting Up the Cisco Unified IP Phone Configuring Startup Network Settings Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 3-12 OL-14029-01...

  • Page 57: Editing Values

    Configuring Settings on the Cisco Unified IP Phone The Cisco Unified IP Phone includes many configurable settings that you may need to modify before the phone is functional for your users. You can access these settings, and change many of them, through the menu on the phone.

  • Page 58: Unlocking And Locking Options

    • Once you have completed your entry, press the OK button • The Cisco Unified IP Phone provides several methods that you can use to reset or Note restore option settings, if necessary. For more information, see the “Resetting or Restoring the Cisco Unified IP Phone”...

  • Page 59: Configuration Menus On The Cisco Unified Ip Phone

    Once the Cisco Unified IP Phone has registered with Cisco Unified Communications Manager, users can configure their phone settings in the User Preferences menu. For more information, see the Cisco Unified SIP Phone 3911 Phone Guide for Cisco Unified Communications Manager 6.0 and 5.1.
  • Page 60 (TFTP) server used by the phone. By default this server is CiscoCM1. Dynamic TFTP Dynamic TFTP servers that are used by Display only—cannot configure. Server1 the phone. Dynamic TFTP Server2 Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 61 VLAN. Used only if the phone does not receive an auxiliary VLAN from the switch, ignored otherwise. Overrides the value specified by the Operational VLAN ID option. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 62 Options” section on page 4-7. CallManager 3 prioritized order. CallManager 4 CallManager 5 Erase Erases current configurations. Changes Network Configuration settings to their default values. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 63 Cisco Unified Communications Manager Options The CallManager 1 through CallManager 5 options on the Network configuration menu show the host names or IP addresses, in prioritized order, of the Cisco Unified Communications Manager servers that the phone can register to. These options show Cisco Unified Communications Manager servers that are available for processing calls from the phone, in prioritized order.

  • Page 64: Sip Configuration Menu

    The name that the user can use for authentication when registration is challenged by the call control server during initialization. Password The corresponding password that is used to authenticate the user. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 65: Additional Configurations For The Cisco Unified Sip Phone 3911

    • Configuring a SIP Phone Dial Plan Key Press Markup Language (KPML) allows for the digits to be sent to Cisco Unified Communications Manager digit by digit. Cisco Unified Communications Manager defaults to the use (KPML) when SIP dial rules are not configured. SIP Dial Rules allow for a pattern of digits to be collected locally on the phone prior to sending to Cisco Unified Communications Manager.
  • Page 66 You can monitor MTP resources by using the alert window in RTMT. Use Cisco Unified Communications Manager Bulk Administration (BAT) when you have a large number of phones to configure. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 4-10 OL-14029-01...

  • Page 67: Telephony Features Available For The Cisco Unified Ip Phone

    C H A P T E R Configuring Features and Users After you install Cisco Unified IP Phones in your network, configure their network settings, and add them to Cisco Unified Communications Manager, you must then use the Cisco Unified Communications Manager Administration application to configure some telephony features, and assign users.
  • Page 68 Chapter 5 Configuring Features and Users Telephony Features Available for the Cisco Unified IP Phone For information about using most of these features on the phone, refer to Cisco Unified SIP Phone 3911 Phone Guide for Cisco Unified Communications Manager.
  • Page 69 Unified SIP Phone 3911 Phone Guide for Cisco Unified Communications Manager. Redial Allows users to call the most recently dialed Requires no configuration. phone number by pressing a button. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 70 Manager Administration Guide, “SIP Profile Configuration” chapter. Transfer Allows users to redirect connected calls Requires no configuration. from their phones to another number. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...
  • Page 71 Manager Adding users to Cisco Unified Communications Manager allows you to display and maintain information about users. You can add users to Cisco Unified Communications Manager using either of these methods: To add users individually, choose User Management > End User from Cisco •...
  • Page 72 Chapter 5 Configuring Features and Users Adding Users to Cisco Unified Communications Manager Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 73: Unified Ip Phone

    Network Statistics Screen The Network Statistics screen displays information about the phone and network performance. Table 6-1 explains components of text messages that might appear in this screen. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 74: Firmware Versions Screen

    Chapter 6 Viewing Status, Statistics, and Firmware Information on the Cisco Unified IP Phone Firmware Versions Screen To display the Network Statistics screen, follow these steps: Procedure Press the OK button. Step 1 Select Status. Step 2 Select Network Statistics.
  • Page 75 Chapter 6 Viewing Status, Statistics, and Firmware Information on the Cisco Unified IP Phone Firmware Versions Screen Table 6-2 Firmware Versions Information Message Component Description Load File Identifies the Load file that is running on the phone. App Load ID Identifies the application file that is running on the phone.
  • Page 76 Chapter 6 Viewing Status, Statistics, and Firmware Information on the Cisco Unified IP Phone Firmware Versions Screen Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 77: Troubleshooting And Maintenance

    Cleaning the Cisco Unified IP Phone, page 7-16 • Resolving Startup Problems After installing a Cisco Unified IP Phone into your network and adding it to Cisco Unified Communications Manager, the phone should start up as described in the “Verifying the Phone Startup Process” section on page 3-10.

  • Page 78: Startup Process

    Symptom: The Cisco Unified IP Phone Does Not Go Through its Normal Startup Process When you connect a Cisco Unified IP Phone into the network port, the phone should go through its normal startup process and the LCD screen should display information.

  • Page 79: Communications Manager

    7-12 for more information. Identifying Error Messages As the Cisco Unified SIP Phone 3911 cycles through the startup process, you can access status messages that might provide you with information about the cause of a problem. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager...

  • Page 80: Registering The Phone With Cisco Unified Communications Manager

    File” section on page 7-6 for assistance. Checking Network Connectivity If the network is down between the phone and the TFTP server or Cisco Unified Communications Manager, the phone cannot start up properly. Ensure that the network is currently running.

  • Page 81: Verifying Ip Addressing And Routing

    Verifying DNS Settings If you are using DNS to refer to the TFTP server or to Cisco Unified Communications Manager, you must ensure that you have specified a DNS server. You should also verify that there is a CNAME entry in the DNS server for the TFTP server and for the Cisco Unified Communications Manager system.

  • Page 82: Cisco Unified Communications Manager And Tftp Services Are Not Running

    Cisco Unified Communications Manager and TFTP Services Are Not Running If the Cisco Unified Communications Manager or TFTP services are not running, phones may not be able to start up properly. In this case, it is likely that you are experiencing a system-wide failure and that other phones and devices are unable to start up properly.
  • Page 83 Cisco Unified Communications Manager database. They are called “unassigned DNs” and can be used for other devices. If unassigned DNs are not used by other devices, delete them from the Cisco Unified Communications Manager database. You can use the Route Plan Report to view and delete unassigned reference numbers.

  • Page 84: Symptom: Cisco Unified Ip Phone Unable To Obtain Ip Address

    Cisco Unified IP Phone Resets Unexpectedly If users report that their phones are resetting during calls or while idle on their desk, you should investigate the cause. If the network connection and Cisco Unified Communications Manager connection are stable, a Cisco Unified IP Phone should not reset on its own.

  • Page 85: Verifying Physical Connection

    Verify that the DHCP server has been set up properly. Verify the DHCP lease duration. Cisco recommends that you set it to 8 days. Cisco Unified IP Phones send messages with request type 151 to renew their DHCP address leases.

  • Page 86: Checking Static Ip Address Settings

    Verifying Voice VLAN Configuration If the Cisco Unified IP Phone appears to reset during heavy network usage (for example, following extensive web surfing on a computer connected to same switch as phone), it is likely that you do not have a voice VLAN configured.

  • Page 87: Eliminating Dns Or Other Connectivity Errors

    From Cisco Unified Communications Manager, choose Device > Phone > Find Step 5 and verify that you have assigned the correct MAC address to this Cisco Unified IP Phone. For information about determining a MAC address, see the “Determining the MAC Address for a Cisco Unified IP Phone” section on page 2-12.

  • Page 88: General Troubleshooting Tips For The Cisco Unified Ip Phone

    Prolonged broadcast storms (lasting several minutes) on the IP phones to re-register. voice VLAN cause the IP phones to re-register with another Cisco Unified Communications Manager server. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 7-12 OL-14029-01...
  • Page 89 Dual-Tone Multi-Frequency (DTMF) When you are on a call that requires keypad input, if you press delay. the keys too quickly, some of them might not be recognized. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 7-13 OL-14029-01...
  • Page 90 If the hook switch remains in the down position, tapping on the phone should free up the switch. You can also try pushing and suddenly releasing the off-hook button after the handset has been picked up. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager 7-14 OL-14029-01...

  • Page 91: Resetting Or Restoring The Cisco Unified Ip Phone

    HALF_DUX_COLLISION_EXCEED_THRESHOLD To resolve this problem, re-enable the port from the switch. Resetting or Restoring the Cisco Unified IP Phone There are two general methods for resetting or restoring the Cisco Unified IP Phone: Performing a Basic Reset, page 7-16 •...

  • Page 92: Performing A Basic Reset

    Cleaning the Cisco Unified IP Phone To clean your Cisco Unified IP phone, use only a dry soft cloth to gently wipe the phone and the LCD screen. Do not apply liquids or powders directly on the phone. As with all non-weather-proof electronics, liquids and powders can damage the components and cause failures.
  • Page 93 Website If you are a system administrator, you are likely the primary source of information for Cisco Unified IP Phone users in your network or company. It is important to provide current and thorough information to end users. Cisco recommends that you create a web page on your internal support site that provides end users with important information about their Cisco Unified IP Phones.

  • Page 94: How Users Access A Voice Messaging System

    Documentation is also available on the CD-ROM titled Cisco Unified Communications Manager Design, Installation, and Operation Guides, which is distributed with Cisco Unified Communications Manager releases. For a list of available documentation for Cisco Unified IP Phones, go to this URL: http://www.cisco.com/en/US/products/hw/phones/ps379/tsd_products_support_s eries_home.html...
  • Page 95 • How the phone indicates that voice messages are waiting. Make sure that you have used Cisco Unified Communications Manager to set up a message waiting indicator (MWI) method. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager...
  • Page 96 Appendix A Providing Information to Users Via a Website How Users Access a Voice Messaging System Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 97: Supporting International Users

    Installing the Cisco Unified Communications Manager Locale Installer If you are using Cisco Unified IP Phones in a locale other than English, you must install the locale-specific version of the Cisco Unified Communications Manager Locale Installer on every Cisco Unified Communications Manager server in the cluster.
  • Page 98 Supporting International Users Installing the Cisco Unified Communications Manager Locale Installer All languages may not be immediately available, so continue to check the website Note for updates. Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 99: Technical Specifications

    Operating temperature 23° to 104°F (-5° to 40°C) 90% (+/- 5 %) Operating relative humidity Storage temperature Up to 140°F (60°C) Height 200 mm Width 180 mm Depth 45 mm Weight 505 g Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager OL-14029-01...

  • Page 100: Network Port Pinouts

    • Distance Requirements As supported by the Ethernet Specification, it is assumed that most Cisco Unified IP Phones should be within 330 feet (100m) of a phone closet. Network Port Pinouts Although both the network and access ports are used for network connectivity, they serve different purposes and have different port pinouts.
  • Page 101 Cisco Unified IP Phone 7-16 verifying settings codec Cisco Unified Communications Manager Administration mismatch 7-14 adding phones using 2-11 conference Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-1 OL-14029-01...
  • Page 102 DHCP Address Released option Cisco Unified SIP Phone 3911 cable DHCP Enabled option connections directory numbers, assigning manually 2-11 firmware, verifying version DNS server Firmware Versions screen Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-2 OL-14029-01...
  • Page 103 DNS Server 1-5 option Internet Protocol (IP) Domain Name option IP address, troubleshooting Dynamic TFTP Server option IP Address option Erase Configuration option Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-3 OL-14029-01...
  • Page 104 Cisco Unified IP phone 7-15 network settings, startup configuration continuously 3-11 network statistics intentionally 7-10 Network Statistics screen RFC interoperability Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-4 OL-14029-01...
  • Page 105 7-11 DNS settings DTMF delay 7-13 gaps in voice calls 7-14 technical specifications, for Cisco Unified IP hook switch contacts 7-15 Phone IP addressing and routing Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-5 OL-14029-01...
  • Page 106 7-12 User Datagram Protocol See UDP users accessing voice messaging system documentation for providing support to required information verifying firmware version startup process 3-10 VLAN Cisco Unified SIP Phone 3911 Administration Guide for Cisco Unified Communications Manager IN-6 OL-14029-01...

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