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Troubleshooting Cisco Unified Communications Systems v8.0 (TVOICE)

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5 Days
Troubleshooting Cisco Unified Communications Systems v8.0 (TVOICE)

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Course At A Glance

Our five-day instructor-led TVOICE course includes Cisco Unified Communications Manager Software v8.0 and prepares you for Cisco Exam 642-427 TVOICE.

This course equ... READ MORE

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Troubleshooting Cisco Unified Communications Systems v8.0 (TVOICE)

Course Length: 5 Days

Our five-day instructor-led TVOICE course includes Cisco Unified Communications Manager Software v8.0 and prepares you for Cisco Exam 642-427 TVOICE.

This course equips you with the knowledge and skills required to troubleshoot Unified Communications (UC) systems and solutions in enterprise, mid-market, and commercial deployments. You'll learn problem triage, as well as troubleshooting methodology, resources, tools, and fixes at the integrated system/solution level. You will cover troubleshooting components, such as Cisco Unified Communications Manager (CUCM), Cisco Unity, videoconferencing, and network infrastructure.

We have refocused the standard TVOICE labs to give you hands-on experience troubleshooting a realistic North American dial plan to better simulate the environment you work in every day. You will troubleshoot a network with:

  • A different area code deployed simulating the North American Dial Plan (NADP)
  • Variable-length on-net dial plan supporting multiple sites with overlapping extensions
  • Headquarters in North America with multiple branches in North America and Europe
  • Local route groups and global transformations

Course Objectives

  • A systematic methodology to troubleshoot Cisco UC systems
  • Knowledge of tools and reports that help isolate UC system problems
  • Use troubleshooting and monitoring tools
  • Troubleshoot common gateway and endpoint registration issues
  • Troubleshoot CUCM availability issues
  • Investigate database replication issues
  • Troubleshoot LDAP integration issues
  • Diagnose and resolve a call setup issue
  • Examine on-premises single-site calling issues
  • Troubleshoot on-net multisite calling issues
  • Investigate off-net calling issues
  • Troubleshoot SAF and CCD
  • Diagnose and resolve device mobility, extension mobility, and unified mobility issues
  • Investigate CUCM native presence issues
  • Troubleshooting MOH, MTP, conferences, and transcoder issues
  • Diagnose and resolve issues with RSVP agents
  • Troubleshoot the quality of both voice and video streams
  • Troubleshoot a globalized E.164 dial plan


The knowledge and skills that you must have before attending this course are as follows:

  • Working knowledge of converged voice and data networks.
  • Working knowledge of the MGCP, SIP, and H.323 and their implementation on Cisco IOS gateways.
  • Working knowledge of Cisco Unified Communications Manager, Cisco Unified Communications features and applications, and Cisco IOS voice gateways in a single-site and multisite environment.

Intended Audience

  • Network administrators and network engineers
  • System engineers and field engineers
  • Anyone working toward CCNP Voice certification

Troubleshooting Cisco Unified Communications Systems v8.0 (TVOICE)

1. UC Troubleshooting

  • Identifying UC Deployments
  • Troubleshooting Methodology
  • Troubleshooting and Monitoring Tools

2. CUCM Troubleshooting

  • Common Gateway and Endpoint Registration Issues
  • CUCM Availability Issues
  • Database Replication Issues
  • LDAP Integration Issues

3. Troubleshooting Call Setup Issues

  • Examining Call Setup Issues and Causes
  • On-Premises Single-Site Calling Issues
  • On-Net Multisite Calling Issues
  • Off-Net Calling Issues

4. Troubleshooting SAF and CCD Issues

5. Troubleshooting CUCM Features and Application Issues

  • Device Mobility Issues
  • Extension Mobility Issues
  • Unified Mobility Issues
  • CUCM Native Presence Issues

6. Troubleshooting Voice Quality and Media Resources Issues

  • MOH Issues
  • MTP Issues
  • Issues with Conferences
  • Transcoder Issues
  • Issues with RSVP Agents
  • Voice Quality Issues


  • Integrating Cisco Unity Connection with Cisco Unified Communications Manager
  • Troubleshooting Gateway and Endpoint Registration Issues
  • Troubleshooting LDAP Integration Issues (Optional)
  • Troubleshooting On-Net Single-Site Calling Issues
  • Troubleshooting On-Net Multisite Calling Issues
  • Troubleshooting Off-Net Calling Issues
  • Troubleshooting Globalized Call Routing Issues
  • Troubleshooting SAF Client and Forwarder Issues
  • Troubleshooting Device Mobility Issues
  • Troubleshooting Cisco Extension Mobility Issues
  • Troubleshooting Cisco Unified Mobility Issues
  • Troubleshooting Cisco Unified Communications Manager Native Presence Issues

CCNP Voice

CCNP Voice

Cisco Certified Network Professional CCNP Voice validates advance knowledge and skills required to integrate into underlying network architectures. Furthermore, this certification validates a robust set of skills in implementing, operating, configuring, and troubleshooting a converged IP network. With a CCNP Voice certification, a network professional can create a collaboration solution that is transparent, scalable, and manageable. The CCNP Voice focuses on Cisco Unified Communications Manager (formerly Unified CallManager), quality of service (QoS), gateways, gatekeepers, IP phones, voice applications, and utilities on Cisco routers and Cisco Catalyst switches. Additionally, the integration and troubleshooting of Cisco Unified Communications applications are now covered in the CCNP Voice, specifically the Cisco Unity Connection and Cisco Unified Presence applications.

The following exams are required for all CCNP Voice candidates:

  • 642-437 CVOICE v8.0
  • 642-447 CIPT1 v8.0
  • 642-457 CIPT2 v8.0
  • 642-427 TVOICE v8.0
  • 642-467 CAPPS v8.0


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