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Module 1: Converged Network Connectivity Requirements

1.1 The Evolution of Telephony in the Enterprise
1.1.1 A Basic Telephone System
1.1.2 Traditional Telephone Company Services
1.1.3 Digital Telephone Technologies
1.1.4 Digital Telephone Services
1.1.5 PBXs and Centrex Services
1.1.6 Long-Distance Services
1.1.7 The Concept of Convergence
1.2 Describing Converged Network Requirements
1.2.1 Hierarchical Network Model
1.2.2 Cisco Enterprise Architecture
1.2.3 Traffic Conditions in a Converged Network
1.2.4 Intelligent Information Network
1.2.5 Cisco SONA Framework
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