Implementing Cisco IOS Unified Communications Advanced: 642-145 Exam

"Implementing Cisco IOS Unified Communications Advanced", also known as 642-145 exam, is a Cisco Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 80 Q&As to your 642-145 Exam preparation. In the 642-145 exam resources, you will cover every field and category in Others Certification helping to ready you for your successful Cisco Certification.

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  • Exam Code: 642-145
  • Exam Name: Implementing Cisco IOS Unified Communications Advanced
  • Certification Provider: Cisco
  • Corresponding Certification: Others
  • Updated: Aug 04, 2026
  • No. of Questions: 80 Questions & Answers with Testing Engine
  • Download Limit: Unlimited
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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: 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. Call processing and call routing concepts
            • 2. Device pools, regions, and locations
              Topic 3: 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
                      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- Call admission control
                            • 1. CAC policies and bandwidth management
                              • 2. Location-based CAC
                                - Advanced call features
                                • 1. Call transfer and forwarding behavior
                                  • 2. Conferencing and conferencing resources
                                    Topic 6: Troubleshooting and Maintenance- Unified communications troubleshooting
                                    • 1. Protocol analysis (SIP/MGCP/H.323)
                                      • 2. Call failure diagnostics
                                        - System monitoring
                                        • 1. Logs and trace analysis

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