Cisco 7920 Administration Guide - Page 77

Chapter 3 Setting Up Cisco Wireless IP Phones Installing the Cisco Wireless IP Phone 7920 Related Topics • Preparing to Install the Cisco Wireless IP Phone 7920, page 3-1 • Wireless Network and Access Point Configuration, page 2-19 Providing Power to the Cisco IP Phone The Cisco Wireless IP Phone 7920 uses a battery for power. Table 3-5 describes the types of batteries available for the Cisco Wireless IP Phone and the maximum talk and standby times. Table 3-5 Batteries Available for the Cisco Wireless IP Phone 7920 Type Standard Extended Technology Lithium-ion Lithium-ion Capacity 1440/1560 mAh 1960 mAh Talk Time 3.5 hr 4.25 hr Standby Time 21 hr 30 hr Note Standard batteries might be either 1440 mAh or 1560 mAh capacity. The following sections provide information about the battery: • Installing or Removing the Phone Battery, page 3-17 • Charging the Battery, page 3-19 • Using the Desktop Charger, page 3-21 Installing or Removing the Phone Battery To install the battery in the Cisco Wireless IP Phone, follow these steps. See Figure 3-1 for a graphical overview of these steps. Procedure Step 1 To install the battery, insert the battery catches (as shown in Figure 3-1) in the corresponding slots at the bottom of the Cisco Wireless IP Phone 7920. Make sure that the metal contacts on the battery and the phone are facing each other. OL-7104-01 Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 4.0 and 4.1 3-17