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Cisco 642-414

642-414

Exam Code: 642-414

Exam Name: Communications Telephony Design Exam

Updated: Aug 14, 2026

Q&A Number: 96 Q&As

642-414 Free Demo download:

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Cisco 642-414 Exam Syllabus Topics:

SectionObjectives
Cisco IP Telephony Architecture- Call processing design
  • 1. Clustering and redundancy design
    • 2. Cisco Unified Communications Manager (CUCM) architecture concepts
      - Dial plan design
      • 1. Numbering plans and route patterns
        • 2. Class of Service and call routing logic
          PSTN and Gateway Integration- PSTN connectivity design
          • 1. Call admission control concepts
            • 2. PRI, SIP trunking, and analog integration
              Scalability and Deployment Design- Large-scale voice deployments
              • 1. Bandwidth planning and site sizing
                • 2. Distributed call processing models
                  Network Services for Voice- Resiliency and survivability
                  • 1. Failover and redundancy strategies
                    • 2. SRST (Survivable Remote Site Telephony)
                      - Quality of Service (QoS)
                      • 1. Queuing and congestion management
                        • 2. Traffic classification and marking (DSCP)
                          VoIP and Telephony Fundamentals- Voice codecs and compression
                          • 1. QoS impact on voice quality
                            • 2. G.711, G.729 and bandwidth considerations
                              - Voice over IP protocols and signaling
                              • 1. Call setup and teardown flows
                                • 2. SIP, H.323, MGCP overview

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