Cisco Voice Over IP Exam
Exam Number: 642-436
Associated Certifications: CCVP
Duration: 75 minutes (60 – 70 questions)
Available Languages: English, Japanese
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Register for Course: CVOICE 6.0 Courses and other offerings
Exam Description Exam Topics Recommended Training Additional Resources
Exam DescriptionThe 642-436 Cisco Voice over IP (CVOICE) is the exam associated with the Cisco Certified Voice Professional CCVP® certification. This exam tests a candidate’s knowledge of the foundational elements of VOIP calls, and the description of dial plans, and the implementation of gateways, gatekeepers and IP-IP gateways. Candidates can prepare for this exam by taking the CVOICE Cisco Voice over IP course.
Exam TopicsThe following topics are general guidelines for the content likely to be included on the Remote Access exam. However, other related topics may also appear on any specific delivery of the exam. In order to better reflect the contents of the exam and for clarity purposes, the guidelines below may change at any time without notice.
Describe the components of a gateway
Describe the function of gateways
Describe DSP functionality
Describe the different types of voice ports and their usage
Describe dial peer types
Describe codecs and codec complexity
Describe a dial plan
Describe a numbering plan
Describe digit manipulation
Describe path selection
Describe calling privileges
Describe call coverage
Describe the basic operation and components involved in a VoIP call
Describe VoIP call flow
Describe RTP, RTCP, cRTP, and sRTP
Describe H.323
Describe MGCP
Describe SCCP
Describe SIP
Identify the appropriate gateway signaling protocol for a given situation
Describe voice quality considerations
Choose the appropriate codec for a given situation
Implement a gateway
Describe the gateway call routing process
Configure analog voice ports
Configure digital voice ports
Describe considerations for PBX integration
Configure dial-peers
Configure hunt groups and trunk groups
Configure digit manipulation
Configure calling privileges
Verify dial-plan implementation
Implement fax and modem support on a gateway
Configure a gateway to provide DTMF support
Describe the function and interoperation of gatekeepers within an IP Communications network
Describe the function and types of gatekeepers
Describe the interoperation of devices with a gatekeeper
Describe gatekeeper signaling
Describe Dynamic Zone Prefix Registration with a gatekeeper
Describe gatekeeper redundancy
Implement a gatekeeper
Configure devices to register with a gatekeeper
Configure gatekeeper to provide dial-plan resolution
Configure gatekeeper to provide call admission control
Verify gatekeeper operation
Implement an IP-to-IP gateway
Describe the IP-to-IP gateway features and functionality
Configure gatekeeper to support an IP-to-IP gateway
Configure IP-to-IP gateway to provide address hiding
Configure IP-to-IP gateway to provide protocol and media interworking
Configure IP-to-IP gateway to provide call admission control
Verify IP-to-IP gateway implementations
Recommended TrainingCisco Voice over IP (CVOICE v6.0) is the recommended training course for this exam.
Courses listed are offered by Cisco Learning Partners-the only authorized source for Cisco IT training delivered exclusively by Certified Cisco Instructors. Check the Global Learning Partner Locator for a Cisco Learning Partner near you.
Additional ResourcesA variety of Cisco Press titles may be available for this exam. These titles can be purchased through the Cisco Marketplace Bookstore, directly from Cisco Press.
