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Cisco 642-145

642-145

Exam Code: 642-145

Exam Name: Implementing Cisco IOS Unified Communications Advanced

Updated: Jul 28, 2026

Q&A Number: 80 Q&As

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Cisco 642-145 Exam Syllabus Topics:

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

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