Prepare with Cisco 642-145 exam practice material, pass for sure

Updated: Sep 13, 2026

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Cisco 642-145 Exam Overview:

Certification Vendor:Cisco
Exam Name:Implementing Cisco IOS Unified Communications Advanced (IUCA)
Exam Number:642-145
Exam Price:USD 150–300 (varies by region and time; legacy exam pricing)
Passing Score:Cisco does not publicly publish a fixed passing score (scoring varies)
Exam Duration:90 minutes
Real Exam Qty:Approximately 55–65
Certificate Validity Period:3 years (legacy Cisco certification policy; may vary for retired exams)
Available Languages:English
Exam Format:Simulation-based questions, Troubleshooting scenarios, Multiple choice
Related Certifications:Cisco Certified Network Professional (CCNP Voice / Collaboration - legacy)
Recommended Training:Cisco Official Training Catalog
Cisco Learning Network (Collaboration legacy resources)
Exam Registration:Pearson VUE Cisco Exams
Cisco Certification & Exam Registration
Sample Questions:Cisco 642-145 Sample Questions
Exam Way:Onsite or authorized testing center (legacy Pearson VUE delivery)
Pre Condition:Recommended prior knowledge of Cisco voice networking and CCNP-level routing and switching concepts.
Official Syllabus URL:https://www.cisco.com

Cisco 642-145 Exam Syllabus Topics:

SectionObjectives
Voicemail and Unified Messaging- Cisco Unity integration
  • 1. Voicemail routing and integration
    • 2. SIP and SCCP integration considerations
      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
            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
                            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
                                    Troubleshooting and Maintenance- Unified communications troubleshooting
                                    • 1. Call failure diagnostics
                                      • 2. Protocol analysis (SIP/MGCP/H.323)
                                        - System monitoring
                                        • 1. Logs and trace analysis

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