The following list summarizes the key points that were discussed in this chapter:
■ Some IP configuration settings are applied directly to the device, others by referencing configuration elements such as a device pool.
■ IP phone auto registration automatically adds new Cisco IP Phones to the configuration database and assigns one DN to the IP phone.
■ Auto-registration configuration includes the configuration of a DN range and activation of the feature on some servers of a CUCM group.
■ The CUCM Tool for Auto-Registered Phone Support requires a Cisco CRS server on the network.
■ CUCM BAT can be used to add and delete IP phones or to change their configuration.
■ Manually adding IP phones is time consuming.
■ Harden IP phones by disabling features that are not required.
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