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Cisco 642-145

642-145

Exam Code: 642-145

Exam Name: Implementing Cisco IOS Unified Communications Advanced

Updated: Aug 22, 2026

Q & A: 80 Questions and Answers

642-145 Free Demo download

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Cisco 642-145 Exam Syllabus Topics:

SectionObjectives
Topic 1: Call Control and Features- Call admission control
  • 1. Location-based CAC
    • 2. CAC policies and bandwidth management
      - Advanced call features
      • 1. Call transfer and forwarding behavior
        • 2. Conferencing and conferencing resources
          Topic 2: Voicemail and Unified Messaging- Cisco Unity integration
          • 1. SIP and SCCP integration considerations
            • 2. Voicemail routing and integration
              Topic 3: Cisco Unified Communications Architecture- CUCM (Cisco Unified Communications Manager) advanced features
              • 1. Device pools, regions, and locations
                • 2. Call processing and call routing concepts
                  - Dial plan implementation
                  • 1. Route patterns and translation patterns
                    • 2. Numbering plans and normalization
                      Topic 4: Voice Gateway and Protocol Integration- PSTN integration
                      • 1. Voice gateway configuration
                        • 2. Dial peer configuration
                          - VoIP protocols
                          • 1. H.323 and MGCP configuration concepts
                            • 2. SIP signaling fundamentals
                              Topic 5: Troubleshooting and Maintenance- Unified communications troubleshooting
                              • 1. Call failure diagnostics
                                • 2. Protocol analysis (SIP/MGCP/H.323)
                                  - System monitoring
                                  • 1. Logs and trace analysis
                                    Topic 6: QoS and Voice Optimization- Voice performance optimization
                                    • 1. Latency, jitter, and packet loss control
                                      - Quality of Service mechanisms
                                      • 1. DSCP marking for voice traffic
                                        • 2. Queueing and congestion management

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