The Unified Communications Manager Express solution on Cisco Integrated Services Router supports the deployment models given in Table 2-4.
Table 2 Cisco Unified Communications Manager Express for Medium Business Deployment Models
Single-Site Deployment Model
The single-site model is designed for small businesses and supports up to 240 users located in main office, home office and mobile worker.
Figure 2-4 shows an example of this model.
Figure 2 Single-Site Model
Organization Suitability
The Single-Site model is suitable for small and medium business operations that reside at one site and that need basic call processing and basic messaging and conferencing.
Design Characteristics
The Single-Site model is designed to be locally managed and administered. It can operate on a wired or wireless LAN. Local and long distance calling is achieved through gateway connectivity with the PSTN by various combinations of T1/E1 BRI.
User Roles and Endpoints
The single-site model provides flexible communications features for operators and administrative assistants. There are some executive phones, some of which are video-capable. Most other employees use digital telephones, including wireless telephones, and a voice messaging system, which this model also provides.
Supported Applications
The single-site model supports applications that provide a wide array of advanced features. These applications include:
•
Call Control
–Cisco Unified Communications Manager Express
•Voice Mail and Messaging
–Cisco Unity Express
•Network Management
–Cisco netManager Unified Communications
•Infrastructure
–Catalyst Express 3500 Series Switch
–Cisco 871W for Home Office
–Cisco 2800/3800 Series Integrated Services Router
Multisite Implementation with Distributed Call Processing
The multisite model is designed for medium businesses and supports more than 200 users located in main office, and branch offices.
Figure 2-5 shows an example of this model.
Figure 3 Multisite Implementation with Distributed Call Processing
Organization Suitability
The multisite model is suitable for medium business operations with main office and branch offices. Call processing is distributed between the main office and branch offices.
Design Characteristics
The multisite model is designed to be locally and remotely managed and administered. Local and long distance calling is achieved through gateway connectivity with the PSTN by various combinations of T1/E1 BRI.
User Roles and Endpoints
The multisite model provides flexible communications features for operators and administrative assistants. There are some executive phones, some of which are video-capable. Most other employees use digital telephones, including wireless telephones, and a voice messaging system, which this model also provides.
Supported Applications
The single-site model supports applications that provide a wide array of advanced features. These applications include:
•Call Control
–Cisco Unified Communications Manager Express
•Voice Mail and Messaging
–Cisco Unity Express
•Network Management
–Cisco netManager Unified Communications
•Infrastructure
–Cisco 2800/3800 Series Integrated Services Router