Cisco Voice Over IP 642-432 Certified Exam Dumps

642-432 Exam Dumps

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Certification Provider:	Cisco
Exam Code / Number:	642-432
Exam Name:	Cisco Voice Over IP
Exam Questions:	72
Last Updated:	Jun 08, 2026
Corresponding Certification:	CCVP

Go To 642-432 Questions

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Cisco 642-432 Exam Syllabus Topics:

Section	Objectives
Integrating Voice over IP into the PSTN	- PSTN Integration 1. Connect a basic VoIP network to the PSTN 2. Describe digit manipulation 3. Explain E.164 addressing
Voice over IP Configuration	- Voice over IP Configuration 1. Explain default dial peers 2. Configure gateways and gatekeepers 3. Configure hunt groups 4. Configure VoIP and POTS dial peers 5. Configure a router for a basic IP telephony call 6. Configure E&M interfaces 7. Configure FXS and FXO ports 8. Explain digit collection, consumption, and manipulation 9. Explain inbound and outbound dial peer matching 10. Configure call signaling
Voice over IP Technologies	- Voice over IP Technologies 1. Identify VoIP characteristics and transport mechanisms 2. Compare PSTN call signaling with VoIP call signaling 3. Explain TDM and statistical multiplexing in telephony 4. Differentiate VoIP technologies from PSTN technologies 5. Compare PSTN and VoIP including call transport, signaling, and bandwidth requirements 6. Identify PSTN characteristics and transport mechanisms
Integrating Voice over IP into Existing PBX Networks	- PBX Integration 1. Select appropriate connection types between PBX and VoIP networks 2. Integrate a basic IP telephony network with an existing PBX 3. Explain port requirements for PBX connectivity 4. Explain signaling requirements for PBX connectivity
Call Operation and Components in Voice over IP	- Call Operation and Components 1. Explain H.323 2. Explain E&M signaling 3. Explain SIP 4. Explain packetization and codec types 5. Explain voice quality considerations 6. Explain the function and operation of call legs 7. Describe the basic operation and components of an IP telephony call 8. Describe analog-to-digital conversion 9. Describe companding and compression processes 10. Choose appropriate codecs for different scenarios 11. Explain RTP, RTCP, and CRTP 12. Explain MGCP 13. Explain Quality of Service (QoS)