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Cisco 642-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Implementing Gatekeepers | 30% | - Tech prefixes and E.164 resolution - Zone configuration and endpoint registration - Directory gatekeepers and hierarchical dial plans - Call Admission Control (CAC) |
| Topic 2: Gateway and Gatekeeper Overview | 15% | - Gatekeeper functions and H.323 standards - Gateway protocols: H.323, MGCP, SIP - Converged network architecture |
| Topic 3: Advanced Features and Troubleshooting | 25% | - Monitoring and debugging tools - Interoperability with CUCM and PBX - Transcoding and conferencing - COR and call restriction policies |
| Topic 4: Implementing Voice Gateways | 30% | - SRST and gateway survivability - DSP resources and codec configuration - Dial peers and call routing - PSTN and TDM integration |
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