CH A P T E R 3 Setting Up the Cisco Unified Wireless IP Phone 7921G This chapter includes the following topics, which help you install and configure the Cisco Unified Wireless IP Phone 7921G on an IP telephony network: • Before You Begin, page 3-1 • Installing the Cisco Unified Wireless IP Phone 7921G, page 3-10 • Understanding the Phone Startup Process, page 3-26 Before You Begin Before installing a Cisco Unified Wireless IP Phone 7921G, review the requirements in these sections: • Network Require
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Voice-over-Wireless Network (VoWLAN) Note • Cisco Aironet Access Points configured to support Voice over WLAN (VoWLAN) • Controllers and switches configured to support VoWLAN • Security implemented for authenticating wireless voice devices and users You must verify that your wireless network is configured properly for voice service.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Methods for Adding Phones to Cisco Unified CallManager Before installing the wireless IP phone, you must choose a method for adding phones to the Cisco Unified CallManager database. Some methods require entering the media access control (MAC) address of the phone. Table 3-1 provides an overview of these methods.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Adding Phones with Auto-Registration You can use auto-registration to quickly enter phones into the Cisco Unified CallManager database without first gathering MAC addresses from the phones. When auto-registration is enabled, Cisco Unified CallManager automatically assigns the next available sequential directory number to new phones as they register with Cisco Unified CallManager during the initial phone startup process.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Refer to Bulk Administration Tool User Guide for Cisco Unified CallManager for detailed instructions about BAT and about TAPS. Related Topics • Adding Phones with Auto-Registration, page 3-4 • Adding Phones with Cisco Unified CallManager Administration, page 3-6 • Adding Phones with BAT, page 3-5 Adding Phones with BAT To add a group of phones to the Cisco Unified CallManager database, you can use BAT.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Note When using BAT to add Cisco Unified Wireless IP Phones, use the default setting for the phone load. The phone load name includes symbols (-, _,.) and BAT does not permit symbols in an entry.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Warning This warning symbol means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Warning Ultimate disposal of this product should be handled according to all national laws and regulations. Statement 1040 Warning Telephone receivers produce a magnetic field that can attract small magnetic objects such as pins and staples. To avoid the possibility of injury, do not place the handset where such objects may be picked up.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Before You Begin Caution Handle a damaged or leaking battery with extreme care. If you come in contact with the electrolyte, wash the exposed area with soap and water. If the electrolyte has come in contact the eye, flush the eye with water for 15 minutes and seek medical attention. Caution Do not charge the battery pack if the ambient temperature exceeds 104 degrees Fahrenheit (40 degrees Celsius).
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Note The battery and power supply are not included with your phone. To order the battery and power supply, see your local dealer.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Table 3-4 shows the charging time for the two types of batteries. You can stop charging the battery when the battery is fully charged, and leave the batteries in the charger with no ill effects. Lithium ion batteries can be partially charged without shortening the battery life. Batteries should handle up to 4000 recharges.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Figure 3-1 Cisco Unified Wireless IP Phone 7921G Battery Installation 1 2 Note 1 Locking catch 2 Battery catches 3 2 2 180349 3 Metal contacts The media access control (MAC) address for each Cisco Unified Wireless IP Phone 7921G appears on a printed label on the back of the phone underneath the battery.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Assembling or Removing the AC Plug Adapter To assemble or remove the AC plug adapter for the power supply, use Figure 3-2, and follow these steps: Procedure Step 1 Insert AC plug adapter (as shown in Figure 3-2) in slot on the power supply. Step 2 Push AC plug adapter securely into place. Step 3 To remove AC plug adapter, press on locking button.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Charging the Phone Using the Power Supply After assembling the power supply, you are ready to charge your Cisco Unified Wireless IP Phone 7921G. You can use the phone while the battery is being charged. For charging times, see Table 3-5.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Figure 3-3 Charging the Phone Using the Power Supply 1 AC plug adapter 2 AC power supply 3 Phone connector on AC power supply cable 4 Indicator light (LED) Using the USB Cable to Charge the Phone You can charge the phone by using a USB cable connected to a USB port on you PC. Charging times are longer when you use the USB cable. See Table 3-4 for charging times.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Figure 3-4 Charging the Phone Using a USB Cable Connected to a PC 3 2 1@ 4 5 JKL 6 MNO 8 TUV 9 WXYZ 2 GHI 7 PQRS * 3 DEF ABC 0 # 7921 180350 1 1 Phone connection—Insert into slot at bottom of phone. 2 USB connector—Insert into USB port on PC. 3 Indicator LED—Indicates the charging status.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G To turn off the Found New Hardware Wizard when using the USB cable to charge the phone, follow these steps: Procedure Step 1 Plug the USB cable into the Cisco Unified Wireless IP Phone 7921G. Step 2 Plug the USB connector into the USB port on your PC. The Found New Hardware Wizard dialog opens. Step 3 To turn off the wizard, for Update New Software, click No, not this time.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Figure 3-5 3-18 Desktop Charger Assembly and Components Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G 1 Power connector—Plugs into the back of the 6 charger 2 AC power supply—Plugs into wall outlet 3 Upper compartment—For charging the phone 8 4 Battery LED indicator—Red light indicates battery is charging; green light indicates battery is fully charged 5 Power LED indicator—Green light indicates 10 Lower slot—For charging the battery desktop charger has power 7 9 Speaker—For spea
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Battery Charging Times Using the Desktop Charger The LED indicator on the phone turns green and the phone beeps when the phone battery is charged. The battery LED indicator on the desktop charger turns green when the spare battery is charged. Batteries will stop charging after they are fully charged.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G Cisco Unified Wireless IP Phone 7921G Web Pages You can access the Cisco Unified Wireless IP Phone 7921G web pages to set up the WLAN settings in the network profile. For a new phone with the factory default settings, you must use the USB cable to connect the phone to your PC. For more information and instructions, see Chapter 4, “Using the Cisco Unified Wireless IP Phone 7921G Web Pages.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Installing the Cisco Unified Wireless IP Phone 7921G 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. See the “Safety Information” section on page 3-6 for more information.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Powering On the Cisco Unified Wireless IP Phone 7921G Depending on the quality of these devices and their proximity to other devices such as mobile phones or two-way radios, some audio noise may still occur. In these cases, Cisco recommends that you take one or more of the following actions: • Move the external device away from the source of the RF or AF signals.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Powering On the Cisco Unified Wireless IP Phone 7921G 2. 3.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Powering On the Cisco Unified Wireless IP Phone 7921G Active and Standby Phone Modes When the Cisco Unified Wireless IP Phone 7921G is powered on, it can be in one of these two modes: • Active mode • Standby mode Active mode The phone is in active mode when there is an active RTP stream.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Understanding the Phone Startup Process The phone will awake from standby mode in response to these events: • Pressing keys on the keypad • Roaming between APs • Power cycling the phone • Losing network connectivity • Losing RF connectivity • Transmitting scheduled CDP or keep-alive packets. The standard battery provides up to 80 hours of standby time and the extended battery provides up to 100 hours of standby time.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Understanding the Phone Startup Process Table 3-6 Cisco Unified Wireless IP Phone Startup Process (continued) Step Description Related Topics 2. Scanning for an access point The Cisco Unified Wireless IP Phone 7921G scans the RF coverage area with its radio. The phone searches its network profiles and scans for access points that have a matching SSID and authentication type.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Understanding the Phone Startup Process Table 3-6 Cisco Unified Wireless IP Phone Startup Process (continued) Step Description 4. Configuring IP network If the unified IP phone is using DHCP to obtain an IP address, the phone queries the DHCP server to obtain one. If you are not using DHCP in your network, you must assign a static IP address to each phone locally.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Understanding the Phone Startup Process Table 3-6 Cisco Unified Wireless IP Phone Startup Process (continued) Step Description 7. Connecting to Cisco Unified CallManager The configuration file defines how the Cisco Unified IP Phone communicates with Cisco Unified CallManager. After obtaining the file from the TFTP server, the phone attempts to make a TCP connection to the highest priority Cisco Unified CallManager on the list.
Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G Understanding the Phone Startup Process 3-30 Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.
