Cisco TUC 1.0 Instructor Series: Troubleshooting Dial Plan Issues

This course is included in our On-demand training solution.


This course is part of Skillsoft's Instructor Series, technical courses presented in spontaneous lecture-style by subject matter experts. This is 4 of 6 of the Troubleshooting Cisco Unified Communications Systems (TUC) 1.0 series. Troubleshooting Cisco Unified Communications Systems (TUC) v1.0 provides network professionals with the knowledge and skills required to troubleshoot Cisco Unified Communications systems in enterprise, midmarket, and commercial deployments. TUC teaches troubleshooting methodology, triage, resources, tools, and fixes at the integrated system or solution level; and for components, such as Cisco Unified CallManager, Cisco Unity, videoconferencing, and infrastructure.

Target Audience

This course is a necessity for any system or field engineers responsible for troubleshooting Cisco IP Telephony environments. This course is also recommended for any students attempting Cisco Voice and IP Telephony certifications.


Students enrolled in this course should be experienced with Cisco networking and possess an associate-level certification or the equivalent knowledge and experience. Successful completion of the following courses (or equivalent experience) is strongly recommended: – Implementing Cisco Quality of Service – Cisco Voice Over IP – Cisco IP Telephony

Expected Duration

61 min.

Course Objectives

Troubleshooting Offsite Call Issues

Troubleshooting Gatekeepers in a Cisco Unified Communications System

Defining Common Voice and Video Quality Issues

  • – Describe the quality issues from which a Cisco Unified Communications system may potentially suffer - Explain the negative effects on voice and video that a lack of bandwidth will cause and how to address these issues - Explain how end-to-end delay will affect voice and video traffic and how to manage it - Demonstrate how jitter can have an adverse impact on QoS in a network and describe ways to manage jitter so that QoS is not affected - Explain how packet loss can have an adverse impact on QoS in a network and describe ways to manage packet loss so that QoS is not affected - Describe the QoS traffic requirements for voice, video, and data traffic - Describe LAN QoS considerations