Cisco 642-453 dumps torrent : Gateway Gatekeeper Exam (GWGK)

  • Exam Code: 642-453
  • Exam Name: Gateway Gatekeeper Exam (GWGK)
  • Updated: Jul 29, 2026     Q & A: 105 Questions and Answers

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Cisco 642-453 Exam Syllabus Topics:

SectionWeightObjectives
Gateway and Gatekeeper Overview15%- Gatekeeper functions and H.323 standards
- Converged network architecture
- Gateway protocols: H.323, MGCP, SIP
Advanced Features and Troubleshooting25%- Monitoring and debugging tools
- COR and call restriction policies
- Interoperability with CUCM and PBX
- Transcoding and conferencing
Implementing Voice Gateways30%- Dial peers and call routing
- PSTN and TDM integration
- DSP resources and codec configuration
- SRST and gateway survivability
Implementing Gatekeepers30%- Directory gatekeepers and hierarchical dial plans
- Tech prefixes and E.164 resolution
- Zone configuration and endpoint registration
- Call Admission Control (CAC)

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