Understand Your Deployment Options

from the System Description. Table 3 provides a guide to the chapter contents. This chapter also provides a diagram of each deployment model.

Table 3 Deployment Models Guide
Deployment Model	Description
Small Single-Site Centralized Model	This model is designed for a small autonomous site with up to 250 users.
Medium Single-Site Centralized Model	This model is designed for a mid-size autonomous site with up to 1,000 users.
Large Single-Site Centralized Model	This model is designed for a large autonomous site with both on-site and remote users; supports up to 20,000 users.
Headquarters with Branches Model	This model is designed for a large central headquarters and multiple remote sites. This model can support up to 20,000 users, depending on number of sites.
Small Multi-site Distributed Model	This model is designed for multiple small to mid-sized sites connected to each other through a WAN. This model supports up to 2,500 interconnected sites with up to 250 users at each site.
Large Multi-site Distributed Model	This model is designed for multiple large sites connected to each other through a WAN (such as college campuses or factories).
Dedicated Contact Center Model	This model is designed for call center operations in which the primary function is the processing of inbound and outbound calls.