Understanding The Phone Startup Process - Cisco 7925G - Unified Wireless IP Phone VoIP Administration Manual

Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7925G
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The standard battery provides up to 11.5 hours of talk time in active mode and the extended battery
provides up to 15.5 hours of talk time.
Standby Mode
The phone goes into standby mode two seconds after a scan is complete. The phone awakes from standby
mode in response to these events:
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The standard battery provides up to 150 hours of standby time and the extended battery provides up to
200 hours of standby time.
Related Topics
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Understanding the Phone Startup Process

When connecting to the wireless VoIP network, the Cisco Unified Wireless IP Phone 7925G goes
through a standard startup process, as described in
configuration, not all of these steps may occur on your wireless IP phone.
Table 3-5 Cisco Unified Wireless IP Phone Startup Process
Step
1. Powering on the phone
2. Scanning for an access
point
Cisco Unified Wireless IP Phone 7925G Administration Guide for Cisco Unified Communications Manager 7.0(1)
OL-15984-01
Reregistering with Cisco Unified Communications Manager
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.
Understanding the Phone Startup Process, page 3-17
Resolving Startup and Connectivity Problems, page 10-1
Description
The Cisco Unified Wireless IP Phone 7925G has
non-volatile Flash memory in which it stores firmware
images and user-defined preferences. At startup, the phone
runs a bootstrap loader that loads a phone image stored in
Flash memory. Using this image, the phone initializes its
software and hardware.
The Cisco Unified Wireless IP Phone 7925G 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. The phone
associates with the access point with the highest RSSI that
matches with its network profile.
Understanding the Phone Startup Process
Table 3-5. Depending on your specific network
Related Topics
Providing Power to the Phone,
page 3-7
Resolving Startup and
Connectivity Problems,
page 10-1
Interacting with Cisco Unified
Wireless APs, page 2-11
Resolving Startup and
Connectivity Problems,
page 10-1
3-17