[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-09

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.

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. For any additional configuration requirements associated with a particular feature, see the deployment topics for that feature.