
xxii
Summary 374
Chapter 11 Designing a Unity Solution 377
Design Process 377
The Decision-Making or Presales Phase 382
Requirements Development 382
Acceptance Criteria 382
Matching Requirements to Capability 383
Finalizing the Decision 383
Preliminary Design Proposal 384
Survey 384
Verification of Interoperability 386
Developing Preliminary Design Options 387
Finalizing the Preliminary Design 388
Budgetary Analysis 388
Estimating Hardware and Software Costs 388
Estimating Services Costs 389
Bill of Materials 389
Planning Phase 389
Feature/Functionality Evaluation of Unity 390
Traditional Voice-Mail Functionality 390
Dependency Assessment 390
Impact Analysis 391