Troubleshooting Cisco IP Telephony and Video

5 days


This course equips you with the knowledge and skills required to troubleshoot Unified Communications Manager, Cisco VCS-C, Cisco Expressway, and Cisco TelePresence Management Suite. The troubleshooting approach utilizes a multiple site voice and video network. Techniques and procedures for troubleshooting are demonstrated and put into practice for the Cisco Collaboration Solution. Topics include methods for troubleshooting, triage approaches, tools and resources, and logical focused use of tools. Scenarios and trouble tickets will include call setup issues, Intercluster Lookup Service (ILS), mobility features, VCS control and VCS Expressway, as well as media resource and QoS issues.

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
  • URI dialing
  • Firewall traversal
  • Video conferencing

This course prepares you for Cisco exam 300-080 CTCOLLAB .


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

Skills Gained

You will learn about:

  • 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
  • Troubleshoot Endpoint Registration
  • Troubleshoot VCS Control and VCS Expressway Availability Issues
  • Troubleshoot on-net multisite calling issues
  • Investigate off-net calling issues
  • Diagnose and resolve device mobility, extension mobility, and unified mobility issues
  • Troubleshoot TelePresence Management Suite Issues
  • Troubleshoot MTP issues
  • Troubleshoot transcoder issues
  • Troubleshoot issues with audio conferences
  • Troubleshoot issues with video conferences


  • Working knowledge of converged voice, video, and data networks 2 Troubleshooting Cisco IP Telephony & Video (CTCOLLAB)
  • Working knowledge of the MGCP, SIP, and H.323 protocols and their implementation on Cisco IOS gateways
  • Ability to configure and operate Cisco routers and switches
  • Ability to configure and operate Cisco Unified Communications Manager in a single-site and multisite environments
  • Implementing Cisco IP Telephony & Video, Part 1 (CIPTV1)
  • Implementing Cisco IP Telephony & Video, Part 2 (CIPTV2)

Course Outline

1. Introduction to Troubleshooting Cisco Collaboration Solutions

  • Identifying Cisco Collaboration Deployments
  • Using Troubleshooting Methodology
  • Using Troubleshooting and Monitoring Tools

2. Cisco Unified Communications Manager Troubleshooting

  • Troubleshooting Common Gateway and Endpoint Registration Issues
  • Troubleshooting Cisco Unified Communications Manager Availability Issues
  • Troubleshooting Database Replication Issues
  • Troubleshooting LDAP Integration Issues

3. Cisco VCS Control and VCS Expressway Troubleshooting

  • Troubleshooting Endpoint Registration Issues
  • Troubleshooting Cisco VCS Control and Cisco VCS Expressway Availability Issues

4. Call Setup Issues

  • Describing Call Setup Issues and Causes
  • Troubleshooting On-Net Single-Site Calling Issues
  • Troubleshooting On-Net Multi-Site Calling Issues
  • Troubleshooting Off-Net Calling Issues

5. ILS and GDPR Issues

  • Troubleshooting ILS and GDPR

6. Cisco Unified Communications Manager Mobility Features

  • Troubleshooting Device Mobility Issues
  • Troubleshooting Cisco Extension Mobility Issues
  • Troubleshooting Cisco Unified Mobility Issues

7. Cisco TelePresence Management Suite Issues

  • Troubleshooting Cisco TMS Issues

8. Voice Quality and Media Resources Issues

  • Troubleshooting MTP Issues
  • Troubleshooting Transcoder Issues
  • Troubleshooting Audio and Video Conferencing Issues
  • Troubleshooting Audio and Video Quality Issues


  • Lab 1: Trouble Tickets: Troubleshooting Gateway and Endpoint Registration Issues
  • Lab 2: Trouble Tickets: Troubleshooting LDAP Integration Issues
  • Lab 3: Trouble Tickets: Troubleshooting Endpoint Registration Issues
  • Lab 4: Trouble Tickets: Troubleshooting LDAP Integration Issues
  • Lab 5: Trouble Tickets: Troubleshooting On-Net Single Site Calling Issues
  • Lab 6: Trouble Tickets: Troubleshooting On-Net Multisite Calling Issues
  • Lab 7: Trouble Tickets: Troubleshooting Off-Net Calling issues
  • Lab 8: Trouble Tickets: Troubleshooting ILS and GDPR
  • Lab 9: Trouble Tickets: Troubleshooting Device Mobility Issues
  • Lab 10: Trouble Tickets: Troubleshooting Extension Mobility Issues
  • Lab 11: Trouble Tickets: Troubleshooting Cisco Unified Mobility Issues
  • Lab 12: Trouble Tickets: Troubleshooting Cisco TMS Issues
  • Lab 13: Trouble Tickets: Troubleshooting Transcoder Issues
  • Lab 14: Trouble Tickets: Troubleshooting Issues with Audio and Video Conferences


Recommended preparation for exam(s):

300-080 - Troubleshooting IP Telephony and Video

CTCOLLAB is one of four courses required for the Cisco Certified Network Professional for Collaboration Career Certification

Thinking about Onsite?

If you need training for 3 or more people, you should ask us about onsite training. Putting aside the obvious location benefit, content can be customised to better meet your business objectives and more can be covered than in a public classroom. It's a cost effective option.

Submit an enquiry from any page on this site, and let us know you are interested in the requirements box, or simply mention it when we contact you.

Upcoming Dates

  • GREEN This class is Guaranteed To Run.
  • SPVC - Self-Paced Virtual Class.
  • Click a Date to Enroll.
Course Location Days Cost Date
Wien5 2500 £2500 2019-07-10
Berlin5 3190 3190 2019-07-15
Onsite5 3500 3500 2019-07-22
Wokingham5 2495 £2495 2019-08-05
Wokingham5 2500 £2500 2019-09-16
London5 2500 £2500 2019-09-23
Vienna5 3190 3190 2019-09-23
Milan5 2750 2750 2019-09-23
Eschborn5 3190 3190 2019-09-23
London5 2732 £2732 2019-09-23
London5 2732 £2732 2019-09-23
Canton of Zurich
Zurich5 4450 £4450 2019-10-07
Ile de France
Paris5 4070 4070 2019-10-14
Canton of Zurich
Zurich5 4450 £4450 2019-10-14
London5 2495 £2495 2019-10-14
Madrid5 2500 £2500 2019-10-28
Wien5 2500 £2500 2019-11-02
London5 2495 £2495 2019-11-11
Ljubljana5 2500 2500 2019-11-11
Wien5 2500 £2500 2019-11-11
Wien5 2500 £2500 2019-11-11
Berlin5 3190 3190 2019-11-11
London5 2732 £2732 2019-12-16