Cisco Voice over IP (CVOICE) 642-436 Certified Exam Dumps

642-436 Exam Dumps

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Certification Provider:	Cisco
Exam Code / Number:	642-436
Exam Name:	Cisco Voice over IP (CVOICE)
Exam Questions:	357
Last Updated:	Jun 07, 2026
Corresponding Certification:	IP Communications

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Cisco 642-436 Exam Syllabus Topics:

Section	Objectives
Topic 1: Media Resources	- Voice media services 1. Transcoding 2. Media termination functions 3. Conferencing 4. DSP resources
Topic 2: Signaling Protocols	- Call signaling technologies 1. H.323 fundamentals 2. MGCP concepts 3. SCCP operation 4. SIP fundamentals
Topic 3: Voice Gateways and Dial Plans	- Gateway implementation 1. Digit manipulation 2. Dial peers 3. Call routing 4. Cisco voice gateway configuration
Topic 4: Quality of Service	- QoS for voice traffic 1. Queuing mechanisms 2. Classification and marking 3. End-to-end voice quality optimization 4. Congestion avoidance
Topic 5: Voice Security and Troubleshooting	- Operations and maintenance 1. Debug and verification commands 2. Voice network security concepts 3. Common VoIP troubleshooting techniques 4. Performance monitoring
Topic 6: Voice over IP Technologies	- VoIP fundamentals 1. Voice digitization and packetization 2. Delay, jitter, and packet loss 3. Compare PSTN and VoIP architectures 4. Codecs and bandwidth calculations