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Chapter 3 Setting Up the Cisco Wireless IP Phone 7920
Powering On the Wireless IP Phone 7920
3-18
Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
OL-3930-02
Standby mode—The phone goes into standby mode after a minute or so of idle
time as a way of preserving battery life. The phone enters standby mode two
seconds after a scan is complete. The standard battery provides 21 hours of
standby time and the extended battery provides 30 hours of standby time.
The phone will awake from standby mode in response to these events:
• Key pad activity
• Roaming
• Power cycling the phone
• Losing network connectivity
• Losing RF connectivity
• Transmitting scheduled CDP or keep-alive packets.
Related Topics
• Startup Settings for a Network Without DHCP, page 3-18
• Resolving Startup and Connectivity Problems, page 9-2
Startup Settings for a Network Without DHCP
If you are not using DHCP in your network, you must configure these network
settings on the Cisco Wireless IP Phone 7920:
• IP address
• Subnet mask
• Primary TFTP server IP address
• Primary gateway IP address
• Primary DNS server IP address (optional)
Collect this information and follow the procedures defined in Chapter 5,
“Configuring Network Settings on the Cisco Wireless IP Phone 7920.”
Related Topics
• Understanding the Phone Startup Process, page 2-9
• Resolving Startup and Connectivity Problems, page 9-2