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642-427 TVOICE v8.0

Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0)


Exam Number:


Last Day to test Q4 2015

Associated Certifications:

CCNP Voice (formerly known as CCVP)

Duration:90 minutes (60 - 70 questions)
Available Languages:English, Japanese
Click Here to Register:Pearson VUE
Exam Policies:Read current policies and requirements
Exam Tutorial:Review type of exam questions
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TVOICE v8.0 Courses and other offerings




The CCNP Voice Certification is being retired. Candidates should review the Certification Exam Migration announcement to determine the migration path to the CCNP Collaboration certification portfolio. The retirement date will be communicated at a later time.


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Exam Description

The Troubleshooting Cisco Unified Communications v8.0  (TVOICE v8.0) 642-427 is the exam associated with the CCNP Voice certification. This exam tests a candidate's knowledge and skills required to troubleshoot Cisco Unified Communications systems and solutions in different deployments. In addition, the exams tests a candidates knowledge in troubleshooting methodology, triage, resources, tools, and fixes for Cisco Unified Communications Manager and the new v8.0 features such as Call Control Discovery, SIP Precondition, Extension Mobility Cross Cluster as well as dial plan troubleshooting including globalized call routing. Candidates can prepare for this exam by taking the TVOICE v8.0 Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) 642-427 course.


Exam Topics

The following topics are general guidelines for the content likely to be included on the 642-427 TVOICE v8.0 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.



642-427 TVOICE v8.0 Exam Topics



Recommended Training

Troubleshooting Cisco Unified Communications v8.0 (TVOICE v8.0) 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 List of Learning Partners 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.



CCNP Voice Group Discussion

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