TVOICE - Troubleshooting UC Systems v8.0
This course covers troubleshooting methodology, resources, tools, and fixes at the integrated system/solution level. The troubleshooting components, such as Cisco Unified Communications Manager (CUCM), Cisco Unity, videoconferencing, and network infrastructure.
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
Who Can Take This Course
- Network administrators and network engineers
- System engineers and field engineers
- Anyone working toward CCNP Voice certification
Prerequisites
Follow-On Courses
There are no follow-ons for this course.
Certification Programs
This course is part of the following programs
Course Outline
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
Labs
Lab 1: Enhanced - Trouble Tickets: Phone Registration
A variety of phone registration problems can be inserted into the network concerning:
- Auto-registration
- Microsoft DHCP
- Router DHCP
- Helper address
- Routing
- DNS
- Access lists
Lab 2: Enhanced - Trouble Tickets: LDAP
A variety of LDAP problems can be inserted into the network.
Lab 3: Enhanced - Trouble Tickets: MGCP Gateway
A variety of MGCP gateway problems can be inserted into the network concerning:
- MGCP domain names
- Configuration of expected and significant digits
- FXS ground vs. loop start
- Attendant numbers
- T1-CAS digit sending
- FXO port configuration
- Service provider problem: Wrong DID sent
- ISDN type of number
- Service provider problem: PRI not up
Lab 4: Enhanced - Trouble Tickets: Dial Plan
A variety of dial plan problems can be inserted into the network concerning both traditional and blocking on lines Class of Service:
- Misconfigured route patterns
- Route patterns with wrong partitions
- Misconfigured route filters
- Wrong calling search space on lines and phones
- Incorrectly configured calling search spaces
- Misconfigured call forward calling search spaces
- Wrong calling search spaces on gateways
- Route lists misconfigured
- Local route groups and global transformation issues
- Bad translation patterns
- One-way audio
- Digit manipulation
Lab 5: Enhanced - Trouble Tickets: H.323 Gateway
A variety of H.323 gateway problems can be inserted into the network concerning:
- H.323 source addresses
- Bogus dial peers
- Bad or missing translation-profiles for DID
- Second dial tone on incoming calls from PRI
- Bad incoming calling search space
- Exclusive - Global transformations and incoming calling party settings
- Misconfigured dial peers
Lab 6: Enhanced - Trouble Tickets: Locations and Regions
Each cluster is configured for bandwidth management allowing a variety of codec and bandwidth-related problems to be explored:
- Misconfigured locations
- Devices in wrong locations
- Misconfigured regions
Lab 7: Trouble Tickets: SIP
A variety of SIP problems will be inserted into the network concerning:
- Third-party SIP device configuration
- SIP trunks
- Misconfigured SUBSCRIBE calling search spaces
- Presence group issues
- Presence configuration across SIP trunks
Lab 8: Additional Problems to Troubleshoot:
Intercluster trunks are configured between the clusters with redundant gatekeepers (using gatekeeper clusters). Extension mobility is deployed in the network as well as numerous features such as Call Park, Music on Hold, and Conferencing using software and DSP resources.
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