Cisco 7925G - Unified Wireless IP Phone VoIP Manuel des accessoires - Page 8

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AC Power Supply

Using a Bluetooth wireless headset affects battery life and reduces the talk time. In addition, how the

Note

system administrator configures the phone also affects its battery life. For more information, see your

system administrator.

AC Power Supply

The power supply with AC plug adapter enables you to quickly charge your phone battery. You can use the

phone while you are charging the battery.

The following table provides approximate battery charging times for the two battery types and power supply

configurations. You can check the battery charging state on the phone display.

Table 2: Approximate Battery Charging Times

Battery type

Standard

Extended

Use only Cisco-specified AC power supplies for the Cisco Unified Wireless IP Phone 7925G, 7925G-EX,

Caution

and 7926G.

Cisco Unified Wireless IP Phone 7925G, 7925G-EX, and 7926G Accessory Guide

Power supply connected to phone

2 hours

3 hours

Phone connected to computer with USB cable

5 hours

7 hours

Cisco Accessories