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Cisco 642-145

642-145

Exam Code: 642-145

Exam Name: Implementing Cisco IOS Unified Communications Advanced

Updated: Aug 24, 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: Voicemail and Unified Messaging- Cisco Unity integration
  • 1. Voicemail routing and integration
    • 2. SIP and SCCP integration considerations
      Topic 2: Voice Gateway and Protocol Integration- PSTN integration
      • 1. Dial peer configuration
        • 2. Voice gateway configuration
          - VoIP protocols
          • 1. SIP signaling fundamentals
            • 2. H.323 and MGCP configuration concepts
              Topic 3: Troubleshooting and Maintenance- System monitoring
              • 1. Logs and trace analysis
                - Unified communications troubleshooting
                • 1. Call failure diagnostics
                  • 2. Protocol analysis (SIP/MGCP/H.323)
                    Topic 4: QoS and Voice Optimization- Quality of Service mechanisms
                    • 1. DSCP marking for voice traffic
                      • 2. Queueing and congestion management
                        - Voice performance optimization
                        • 1. Latency, jitter, and packet loss control
                          Topic 5: Call Control and Features- Advanced call features
                          • 1. Conferencing and conferencing resources
                            • 2. Call transfer and forwarding behavior
                              - Call admission control
                              • 1. Location-based CAC
                                • 2. CAC policies and bandwidth management
                                  Topic 6: Cisco Unified Communications Architecture- Dial plan implementation
                                  • 1. Numbering plans and normalization
                                    • 2. Route patterns and translation patterns
                                      - CUCM (Cisco Unified Communications Manager) advanced features
                                      • 1. Call processing and call routing concepts
                                        • 2. Device pools, regions, and locations

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