Phone Startup Process
After the Cisco Unified IP Phone has power connected to it, the phone begins its startup process by cycling
through these steps.
1
These buttons flash on and off in sequence:
•
Headset (Only if the handset is off-hook when the phone powers up. In this case, hang up the handset
within 3 seconds or the phone launches its secondary load instead of its primary load.)
•
Mute
•
Speaker
2
Some or all of the line keys flash orange.
If the line keys flash red in sequence after flashing yellow, do not power down the phone until the sequence
of red flashes completes. This sequence can take several minutes to complete.
Caution
3
Some or all of the line keys flash green.
Normally, this sequence takes just a few seconds. However, if the phone flash memory is erased or the
phone load is corrupted, the sequence of green flashes will continue while the phone begins a software
update procedure. If the phone performs this procedure, the following buttons light to indicate progress:
•
Headset: Phone is waiting for the network and completing CDP and DHCP configuration. A DHCP
server must be available in your network.
•
Mute: Phone is downloading images from the TFTP server.
•
Speaker: Phone is writing images to its flash memory.
4
The phone screen displays the Cisco Systems, Inc., logo screen.
5
These messages display as the phone starts:
•
Verifying load (if the phone load does not match the load on the TFTP server). If this message
displays, the phone start up again and repeats step 1 through step 4 above.
•
Configuring IP
•
Updating the Trust List
•
Updating Locale
•
Configuring Unified CM List
•
Registering
6
The main phone screen displays:
•
Current date and time
•
Primary directory number
•
Additional directory numbers and speed dial numbers, if configured
Cisco Unified IP Phone 7975G, 7971G-GE, 7970G, 7965G, and 7945G Administration Guide for Cisco Unified
Communications Manager 9.0 (SCCP and SIP)
57
Cisco Unified IP Phones Installation
Phone Startup Process
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