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

  • Exam Code: 642-453
  • Exam Name: Gateway Gatekeeper Exam (GWGK)
  • Updated: Oct 21, 2026
  • Q & A: 105 Questions and Answers

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Cisco 642-453 Exam Syllabus Topics:

SectionObjectives
Topic 1: Configuring and Implementing Gatekeepers- Gatekeeper Call Control
  • 1. Dial-Plan Resolution
  • 2. Call Admission Control Implementation
- Redundancy & Scalability
  • 1. Directory Gatekeeper Configuration
  • 2. Redundancy Between Gatekeeper Devices
Topic 2: Overview of Gateways and Gatekeepers- Gateway Functions
  • 1. Appropriate Gateway Signalling Protocol Selection (H.323, MGCP)
  • 2. Role and Interoperation of Voice & Video Gateways
- Gatekeeper Concepts
  • 1. Gatekeeper Functions and Architecture
  • 2. Dynamic Zone Prefix Registration and Clustering
Topic 3: Gateway Implementation and Dial-Plan- Gateway Connectivity & Services
  • 1. SRST and High Availability
  • 2. PRI/BRI/CAS/Analog Interface Configuration
- Dial-Plan and Call Routing
  • 1. Digit Manipulation and Call Routing
  • 2. Class of Restriction (COR) and Dial-Peer Matching

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