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CHAPTER 2
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 Cisco Unified IP Phones depend upon and
interact with several other key Cisco Unified IP Telephony and network
components.
This chapter focuses on the interactions between the Cisco Unified IP Phone
7960G and 7940G and Cisco Unified CallManager, DNS and DHCP servers,
TFTP servers, and switches. It als
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process � Understanding the Phone Startup Process, page 2-7 � Methods for Adding Phones to the Cisco Unified CallManager Database, page 2-10 � Determining the MAC Address of a Cisco Unified IP Phone, page 2-14 Understanding Interactions with Other Cisco Unified IP Telephony Products To function in the IP telephony network, the Cisco Unified IP Phone must be connected to a networki
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process � Phone registration � Call preservation, so that a media session continues if signaling is lost between the primary CallManager and a phone) For information about configuring Cisco Unified CallManager to work with the IP devices described in this chapter, refer to Cisco Unified CallManager Administration Guide, Cisco Unified CallManager System Guide, and to Cisco Unified
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process � Data traffic present on the data/native VLAN may reduce the quality of Voice-over-IP traffic. � Network security may indicate a need to isolate the VLAN voice traffic from the VLAN data traffic. You can resolve these issues by isolating the voice traffic onto a separate VLAN. The switch port that the phone is connected to would be configured to have separate VLANs for ca
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process This module sends power on pins 1 & 2 and 3 & 6, which are also used to transmit Ethernet signals. Before the switch sends power, it tests for the presence of a Cisco Unified IP Phone, avoiding damage to other Ethernet devices. Note Only the network port supports inline power from the Cisco Catalyst switches. � WS-PWR-PANEL—Power patch panel that allows the Cisco Unified
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Understanding Phone Configuration Files Configuration files for a phone are stored on the TFTP server and define parameters for connecting to Cisco Unified CallManager. In general, any time you make a change in Cisco Unified CallManager that requires the phone to be reset, a change is made to the phone’s configuration file automatically. Configuration files also contain in
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Understanding the Phone Startup Process When connecting to the VoIP network, the Cisco Unified IP Phone goes through a standard startup process that is composed of several steps, as described in Table 2-1. Depending on your specific network configuration, not all of these steps may occur on your Cisco Unified IP Phone. Table 2-1 Cisco Unified IP Phone Startup Process (conti
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Table 2-1 Cisco Unified IP Phone Startup Process (continued) Step Description Related Topics 4. Obtaining an IP If the Cisco Unified IP Phone is using DHCP to � Network Address. obtain an IP address, the phone queries the DHCP Configuration server to obtain one. If you are not using DHCP in Menu Options, your network, you must assign static IP addresses page 4-3. to each ph
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Table 2-1 Cisco Unified IP Phone Startup Process (continued) Step Description Related Topics 7. Requesting the The TFTP server has configuration files, which � “Understanding Configuration File. define parameters for connecting to Phone Cisco Unified CallManager and other information Configuration for the phone. Files” section on page 2-6 � Configuring Security on the Ci
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Methods for Adding Phones to the Cisco Unified CallManager Database Before installing the Cisco Unified IP phone, you must choose a method for adding phones to the Cisco Unified CallManager database. These sections describe the methods: � Adding Phones with Auto-Registration, page 2-11 � Adding Phones with Auto-Registration and TAPS, page 2-12 � Adding Phones with Cisco Uni
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Table 2-2 Methods for Adding Phones to the Cisco Unified CallManager Database Requires MAC Method Address? Notes Using the Yes Must add phones individually. Cisco Unified Call Manager Administration Using BAT Yes Can add groups of same model of phone. Can schedule when phones are added to the Cisco Unified CallManager database. Adding Phones with Auto-Registration By ena
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process In some cases, you might not want to use auto-registration: for example, if you want to assign a specific directory number to the phone or if you plan to implement authentication or encryption, as described in Cisco Unified CallManager Security Guide. For information about enabling auto-registration, refer to “Enabling Auto-Registration” in the Cisco Unified CallManager A
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Auto-registration must be enabled in Cisco Unified CallManager Administration (System > Cisco Unified CallManager) for TAPS to function. Note Cisco Unified CallManager automatically disables auto-registration if you configure the cluster-wide security mode for authentication and encryption through the Cisco CTL client. Refer to Bulk Administration Tool User Guide for Cisco
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Chapter 2 Preparing to Install the Cisco Unified IP Phone on Your Network Understanding the Phone Startup Process Adding Phones with BAT The Cisco Bulk Administration Tool (BAT) is a plug-in application for Cisco Unified CallManager that enables you to perform batch operations, including registration, on multiple phones. Before you can add phones using BAT only (not in conjunction with TAPS), you must obtain the MAC address for each phone. For information about determining a MAC addres
