1. The Design Process—Planning
Analyzing Requirements

2. Cisco Unity Feature and Function Evaluation
Comparison with existing voice messaging
Capacity planning—infrastructure
Messaging infrastructure
Telephony infrastructure
Network infrastructure

3. Voice-Messaging Feature Usage Analysis
Develop user survey questionnaires.
Observe users.
Conduct focus groups.
Seek out the special-case users.
Perform gap analysis—match feature and function use with Cisco Unity capabilities.
Analyze the existing system configuration.
Research existing traffic patterns.
Analyze existing support issues for both and voice mail.
Define training criteria.
Cisco Unity Usage Analysis.doc

4. Lab Trial and Proof of Concept
Simulate a production network and install Cisco Unity.
Configure product options.
Execute test plans.
Record and assess the installation.

5. Production Pilot Develop a pilot installation plan.
Select pilot members.
Implement.
Monitor and document.
Survey pilot members.
Analyze results.

6. Site Surveys Messaging infrastructure—Inventoried by site
Messaging servers
Routing and administrative groups
Telephony infrastructure
PBXs, voice ports, and switch settings
Network infrastructure
Domain controllers, DNS, and global catalog server
Physical placement of Cisco Unity servers
Rack space and power
Deployment models and design rules
User density mapped accurately

7. Compile Data Finalize feature and function analysis.
Include lessons learned from pilot.
Organize.
Apply usage analysis results to design process.
Can be used to set Cisco Unity configuration.
Incorporate existing naming conventions.
Incorporate special requirements.

8. Summary
Do a full feature and function analysis comparing Cisco Unity to the existing voice-messaging systems.
Compile accurate usage information for existing systems through questionnaires, surveys, focus groups, and observation.
Simulate and test the production system in a lab environment.
Select pilot members, conduct a fixed-length pilot, and analyze pilot results.
Conduct detailed site surveys, paying particular attention to physical placement of Cisco Unity servers and associated infrastructure issues.
Carefully compile and organize your data from all steps. This is the basis for your detailed design.