Try and practice the latest Cisco : 642-453 real questions & answers
Updated: Jul 25, 2026
No. of Questions: 105 Questions & Answers with Testing Engine
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Cisco 642-453 Exam Overview:
| Certification Vendor: | Cisco |
| Exam Name: | Implementing Cisco Voice Gateways and Gatekeepers (GWGK) |
| Exam Number: | 642-453 |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 75 minutes |
| Real Exam Qty: | 60-70 |
| Passing Score: | 750 / 1000 |
| Exam Format: | Multiple Choice Single Answer, Multiple Choice Multiple Answer, Drag and Drop, Simulation |
| Available Languages: | English |
| Exam Price: | $150 USD |
| Related Certifications: | CCVP Cisco Unified Communications Specialization |
| Recommended Training: | GWGK v2.0 Official Cisco Course |
| Exam Registration: | Pearson VUE (historical) |
| Sample Questions: | Cisco 642-453 Sample Questions |
| Exam Way: | Proctored onsite at Pearson VUE test centers; retired since February 2015 |
| Pre Condition: | Valid CCNA Voice or CCNA certification, or equivalent networking/voice experience |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams/retired.html |
Cisco 642-453 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Advanced Features and Troubleshooting | 25% | - COR and call restriction policies - Transcoding and conferencing - Monitoring and debugging tools - Interoperability with CUCM and PBX |
| Topic 2: Gateway and Gatekeeper Overview | 15% | - Gatekeeper functions and H.323 standards - Gateway protocols: H.323, MGCP, SIP - Converged network architecture |
| Topic 3: Implementing Gatekeepers | 30% | - Zone configuration and endpoint registration - Tech prefixes and E.164 resolution - Directory gatekeepers and hierarchical dial plans - Call Admission Control (CAC) |
| Topic 4: Implementing Voice Gateways | 30% | - Dial peers and call routing - DSP resources and codec configuration - SRST and gateway survivability - PSTN and TDM integration |
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