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CHAPTER2
Preparing to Install the Cisco
Unified IP Phone on Your Network
Cisco Unified IP Phones enable you to communicate using voice over a data
network. To provide this capability, the phones depend upon and interact with
several other key Cisco IP Telephony and network components, including
Cisco Unified Communications Manager, DNS and DHCP servers, TFTP servers,
media resources, Cisco prestandard PoE, and so on.
This chapter focuses on the interactions between the Cisco Unified IP Ph
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding Interactions with Other Cisco Unified IP Communications Products Understanding Interactions with Other Cisco Unified IP Communications Products 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 sendin
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding Interactions with Other Cisco Unified IP Communications Products For information about configuring Cisco Unified Communications Manager to work with the IP devices that described in this chapter, refer to Cisco Unified Communications Manager Administration Guide, Cisco Unified Communications Manager System Guide, and to Cisco Unified Communications Manager Security Guide. For an overview of securit
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Providing Power to the Phone 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 p
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Providing Power to the Phone Power Outage Your accessibility to emergency service through the phone is dependent on the phone being powered. If there is an interruption in the power supply, Service and Emergency Calling Service dialing will not function until power is restored. In the case of a power failure or disruption, you may need to reset or reconfigure equipment before using the Service or Emergency Calli
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding Phone Configuration Files Obtaining Additional Information about Power For related information about power, refer to the documents shown in Table 2-2. These documents provide information about these topics: Cisco switches that work with the Cisco Unified IP Phones The Cisco IOS releases that support bidirectional power negotiation Other requirements and restrictions regarding power Table 2-2 Rel
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding Phone Configuration Files Configuration files also contain information about which image load the phone should be running. If this image load differs from the one currently that is loaded on a phone currently, the phone contacts the TFTP server to request the required load files. (These files are digitally signed to ensure the authenticity of the file source.) In addition, if the device security mo
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process For more information about how the phone interacts with the TFTP server, refer to the Cisco Unified Communications Manager System Guide, “Cisco TFTP” chapter. Understanding the Phone Startup Process When connecting to the VoIP network, the Cisco Unified IP Phone goes through a standard startup process, as described in Table 2-3. Depending on your network configuration, not
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Table 2-3 Cisco Unified IP Phone Startup Process (continued) Process Step and Purpose Related Topics Step 4 Obtaining an IP Address See the “Network Configuration Menu” section on page 4-7. If the Cisco Unified IP Phone is using DHCP to obtain an IP address, the phone queries the DHCP See the “Resolving Startup Problems” server to obtain one. If you are not using DHCP in se
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Table 2-3 Cisco Unified IP Phone Startup Process (continued) Process Step and Purpose Related Topics Step 7 Requesting the Configuration File See the “Understanding Phone Configuration Files” section on page 2-6. The TFTP server has configuration files, which define parameters for connecting to Cisco See the “Resolving Startup Problems” Unified Communications Manager and ot
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network 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 2-12 Adding Phones with Auto-Registration and TAPS, pag
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Adding Phones to the Cisco Unified Communications Manager Database Adding Phones with Auto-Registration By enabling auto-registration before you begin installing phones, you can: Add phones without first gathering MAC addresses from the phones. Automatically add a Cisco Unified IP Phone to the Cisco Unified Communications Manager database when you physically connect the phone to your IP telephony network. Duri
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Adding Phones to the Cisco Unified Communications Manager Database Adding Phones with Cisco Unified Communications Manager Administration, page 2-14 Adding Phones with BAT, page 2-14 Adding Phones with Auto-Registration and TAPS You can add phones with auto-registration and TAPS, the Tool for Auto-Registered Phones Support, without first gathering MAC addresses from phones. TAPS works with the Bulk Administra
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Adding Phones to the Cisco Unified Communications Manager Database Related Topics Adding Phones with Auto-Registration, page 2-12 Adding Phones with Cisco Unified Communications Manager Administration, page 2-14 Adding Phones with BAT, page 2-14 Adding Phones with Cisco Unified Communications Manager Administration You can add phones individually to the Cisco Unified Communications Manager database using Ci
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Determining the MAC Address of a Cisco Unified IP Phone For information about determining a MAC address, see the “Determining the MAC Address of a Cisco Unified IP Phone” section on page 2-15. For detailed instructions about using BAT, refer to Cisco Unified Communications Manager Bulk Administration Guide. Related Topics Adding Phones with Auto-Registration, page 2-12 Adding Phones with Auto-Registration and
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Determining the MAC Address of a Cisco Unified IP Phone Cisco Unified IP Phone 7931G Administration Guide for Cisco Unified Communications Manager 6.1 OL-14587-01 2-16
