The following list summarizes the key points that were discussed in this chapter:
■ A uniform on-net dial plan provides unique endpoint addressing by fixed-length directory numbers.
■ Call routing is when CUCM processes incoming call requests by looking up the dialed number in its call routing table.
■ CUCM can receive dialed digits one by one or enbloc.
■ CUCM allows multiple, prioritized paths to be selected for a given route pattern.
■ Route lists, route groups, and devices are configured to implement path selection.
■ CUCM configuration includes special call routing features such as numbering plans and route filters, a wildcard for variable-length numbers, blocked patterns, patterns with urgent priority, and classification of calls.
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