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