Cisco Unified IP Phone 7921 - Manual (Page 8)

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Charge the battery using the USB cable
1. Insert the phone connector on the USB cable into the phone.
2. Insert the USB A-type connector into the USB port on your PC.
Note If the Found New Hardware Wizard opens, use the following procedure to stop it.
3. Monitor the indicator light after the phone briefly displays “USB Connected” on the status line.
While the battery is charging, the indicator light is red. When the battery is fully charged, the indicator light turns green.
Stop Found New Hardware Wizard from opening when connecting to USB port
1. Click Next to use the wizard dialog box.
2. In the Update New Software dialog, click No, not this time, and click Next.
3. Click Install the Software automatically (Recommended) and click Next.
4. After a few moments, the Cannot Install This Hardware dialog displays. Click Don't prompt me again to install this
software.
5. Click Finish to close the dialog box.
Powering On the Phone
After charging the battery, you must power on the phone to make and receive calls.
1. Press and hold the (red button) until the phone powers on.
2. You might need to enter a username and password to access the wireless network.
3. After completing authentication and registration with Cisco Unified CallManager, the phone displays the main screen and
is ready to place or receive calls.
Check signal strength
The icon indicates the strength of the signal between the wireless access point and your phone. Your phone must have at
least one bar to place or receive calls.
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