Cisco Implementing Cisco IOS Unified Communications Advanced : 642-145

642-145 real exams

Exam Code: 642-145

Exam Name: Implementing Cisco IOS Unified Communications Advanced

Updated: Sep 16, 2026

Q & A: 80 Questions and Answers

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Cisco 642-145 Exam Syllabus Topics:

SectionObjectives
Troubleshooting and Maintenance- System monitoring
  • 1. Logs and trace analysis
    - Unified communications troubleshooting
    • 1. Call failure diagnostics
      • 2. Protocol analysis (SIP/MGCP/H.323)
        Voice Gateway and Protocol Integration- PSTN integration
        • 1. Voice gateway configuration
          • 2. Dial peer configuration
            - VoIP protocols
            • 1. SIP signaling fundamentals
              • 2. H.323 and MGCP configuration concepts
                Voicemail and Unified Messaging- Cisco Unity integration
                • 1. SIP and SCCP integration considerations
                  • 2. Voicemail routing and integration
                    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. Numbering plans and normalization
                          • 2. Route patterns and translation patterns
                            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
                                  Call Control and Features- Advanced call features
                                  • 1. Conferencing and conferencing resources
                                    • 2. Call transfer and forwarding behavior
                                      - Call admission control
                                      • 1. CAC policies and bandwidth management
                                        • 2. Location-based CAC
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