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Courses / 4G / Troubleshooting VoLTE

Troubleshooting VoLTE

Course details Content Purchase options Frequently Asked Questions
Learning Time:
2 Days
Level:
Advanced
Delivery:
Live onsite
CPD Credits:
12
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Course Details

As a service, VoLTE has a lot of moving parts; between LTE, PCC and IMS operation, there’s a number of places in the network that can be the cause of service issues and outages. Using your VoLTE service assurance tools, this course will explain the common KPIs and failure scenarios that are encountered in the network, from registration through to call establishment. In addition, managing voice call quality will also be explored through analysis of RTP voice streams.

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Gavin Mitchell

Gavin Mitchell

Mpirical Trainer
Gavin heads up Mpirical’s training product portfolio, which includes all course development alongside the development of NetX. Gavin’s main area of focus is 4G and 5G core networks, with considerable expertise gained over the 20 years of training experience he has within the mobile telecommunications space.
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Live Training

Live training options include live, instructor-led onsite or online for teams of 10 or more.

Enquire now
Module 1
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Principles of Network Performance Monitoring

3GPP Counters and KPI Definitions.

KPI Hierarchy.

Performance Monitoring Reports.

Example Reports.

Activity: Identifying Key VoLTE/IMS KPIs used for Troubleshooting.

Module 2
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Troubleshooting VoLTE Registration

VoLTE Registration KPIs:

  • SIP and Diameter KPIs.

Registration Failures.

SIP Timers.

SIP Error Codes.

Reason Headers/Reason Phases.

Activity:  VoLTE Related Registration KPIs, Troubleshooting Registration Issues, Investigating Current Network Issues.

Module 3
View

Troubleshooting VoLTE Sessions

Why do VoLTE Calls Drop?

Session Success/Failures/Timeout.

Key Session VoLTE KPIs:

  • SEER, SCR, ACQ, Drops.

Session Establishment Failures:

  • Server Error.
  • Service Unavailable.
  • PCC Issues.
  • Forbidden.
  • Address Issues.

Troubleshooting VoLTE Session Issues.

  • Video KPIs.
  • VoWi-Fi Related KPIs.

Activity: VoLTE Session KPIs, Troubleshooting Session Issues, Investigating Current Network Issues.

Module 4
View

Troubleshooting VoLTE RTP Issues

Defining RTP/RTCP for AMR and WB-AMR.

One way media and Gap Detection.

RTP based KPIs.

Troubleshooting RTP Issues:

  • RAN Related Issues.
  • Detecting Audio Clipping.

Monitoring Transcoding.

Activity: RTP KPIs, Troubleshooting RTP Issues, Investigating Current Network Issues.

Module 5
View

Troubleshooting VoLTE Nodes

Monitoring VoLTE Nodes.

Interfaces and Node Performance.

Packet Loss on a Node.

Activity: Monitoring a VoLTE Node and Interface Performance.

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Live Training

Live training options include live, instructor-led onsite or online for teams of 10 or more.

Enquire now

How to get started...

Step 1

Purchase the course with one of the methods below.

Step 2
Log in to the Mpirical learning portal to access your course.
Step 3
Start learning right away with on-demand or get ready for your live session.

Pricing

 Let's chat

Live Training

Live training options include live, instructor-led onsite or online for teams of 10 or more.

Enquire now

Live Training

Frequently Asked Questions

Will I receive certification for completing the course?

Yes, all our courses provide a shareable certificate of completion following the test of understanding.

How long do I get access to the course?

On-demand courses are accessible immediately following purchase. Each course will have a different access period ranging from 3-6 months on average. You can continue to access the Mpirical learning platform after your course licence expires; however, you won’t be able to view any course content or learning tools unless you are a paid customer.

What else do I get with a course?

All students benefit from automatic access to our ‘Ask the Trainer’ feature with an on-demand course purchase. You will also get access to our acclaimed network visualisation tool, NetX.*

*NetX is not included with the Mini Telecoms MBA course or partner training.

Can I access the course offline?

Offline access is not currently available. You must use a connected device to access the course and learning tools. However, course pdfs and reference documents are downloadable.

Is there recommended follow-on training?

Yes, we do recommend follow-on training courses within the Mpirical learning platform.

How do I choose between a live course or on-demand course?

Our live courses are generally reserved for teams and enterprises of 10 or more. If you’d like to learn more about purchasing a single course to be delivered at your location or online, please get in touch: enquiries@mpirical.com.