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CCNA Collaboration CIVND 210-065 Official Cert Guide by Jason Ball, Brian Morgan

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Cisco IP Phone Registration Process

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The process through which endpoints progress to register with CUCM can seem a bit involved. However, it is a logical procedure that can be easily understood. Obviously, the first order of business is power. Power can be provided through the use of a power cube plugged into a wall outlet, or it can come from the LAN switch in the form of PoE.

Cisco created “inline power” in 2000 as a response to a growing desire in the IP telephony and wireless access arenas to be able to forego the need for power supplies on phones and access points, respectively. The idea of the phone drawing power from the wall jack to which ...

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