CISCO 642-425 IPTT
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IP Telephony Troubleshooting Exam
Last day to test 10/02/07
Exam Number: 642-425
Associated Certifications: CCVP, and IP Telephony Operations Specialist
Duration: 90 minutes (50-60 questions)
Available Languages: English
Click Here to Register: Pearson VUE
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Exam Description Exam Topics Recommended Training Additional Resources
Exam Description
The Cisco IP Telephony Troubleshooting exam will certify that the successful candidate has important knowledge and skills necessary to troubleshoot Enterprise CallManager, Unity, and IP network deployments. The IP Telephony Troubleshooting exam is one of two exams in a curriculum that addresses both design/planning practices and hands-on experience in configuring, deploying, and troubleshooting AVVID solutions.
Exam Topics
The following information provides general guidelines for the content likely to be included on the exam. However, other related topics may also appear on any specific delivery of the exam.
Describe effective troubleshooting methods to resolve issues in complex IP Telephony networks
Identify general converged network problems and issues
Perform a baseline analysis and document existing infrastructure using Cisco recommended methodologies
Create a troubleshooting strategy that follows Cisco recommended methodologies
Use Cisco TAC as a troubleshooting and escalation tool
Troubleshoot common CallManager configuration, integration and operations problems
Troubleshoot common call setup problems with both voice and video calls
Troubleshoot complex CallManager problems using system trace files
Troubleshoot and resolve Cisco CallManager dial-plan issues including CSS, Partitions, and translation patterns
Troubleshoot and resolve problems with media resources including MOH and conferencing
Identify CTI components and troubleshoot problems related to CTI
Troubleshoot Cisco AVVID and server components using the appropriate utilities and management tools
Demonstrate the use of the Cisco CallManager Serviceability tools to troubleshoot IPT problems
Troubleshoot common router, switch and gateway configuration, integration and operation issues and problems
Determine the effect of Layer 2 configuration errors on an IPT network operation
Determine the effect of Layer 3 configuration errors on an IPT network operation
Troubleshoot and resolve problems with Gateway operation
Use appropriate troubleshooting methods to determine and solve QoS issues in complex IP Telephony networks
Determine the QoS policies in effect in an established network
Describe the various QoS methods available and their effect on network traffic flows
Identify common problems associated with voice echo
Troubleshoot common Unity configuration, integration and operation issues and problems
Troubleshoot and resolve message delivery problems
Describe disaster recovery tools
Troubleshoot and resolve MWI problems
Troubleshoot and resolve Voice Mail port problems
Recommended Training
IP Telephony Troubleshooting (IPTT) is the recommended training 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 Resources
A 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.
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