Topic Last Modified: 2010-11-10

The advanced Enterprise Voice features described in this section share certain configuration requirements for network regions, network sites, and subnets. For example, all three advanced features require that each subnet in your topology be associated with a specific network site, and each network site must be associated with a network region.

Before you begin network configuration for call admission control, E9-1-1, or media bypass, ensure that you reviewed additional information about network settings in the Network Settings for the Advanced Enterprise Voice Features topic in the Planning documentation. For details about network configuration primarily about call admission control, also see Planning for Call Admission Control in the Planning documentation.

Call admission control and E9-1-1 have additional configuration requirements for network sites:

Create or Modify Network Regions, Network Sites, and Subnets

The following topics provide steps to create or modify network regions and network sites, and to associate subnets with network sites. These topics are not specific to any particular advanced Enterprise Voice feature.