Cisco 7800 Series Firmware Migration Master Manual page 30

NOTE: Here is a difference between MPP firmware and CUCM firmware for your reference. The LEDs states are different between Cisco MPP
and CUCM Call Control registered endpoints. The following steps will help you understand how the LED colors of the buttons by default are
different on MPP versus a CUCM registered IP Phone.
26. Observe 7800 Line1 on the phone when it is on-hook. What color is it? How does this differ from a CUCM registered endpoint?
27. Go off-hook on 7800 Line1. What color is it? How does this differ from a CUCM registered endpoint?
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