Core & IMS Learning

Lesson series

Mastering VoLTE: The Complete Guide to Voice over LTE

Learn the architecture, signaling, and implementation of VoLTE technology. This course covers everything from IMS core fundamentals to troubleshooting high-quality voice services over 4G LTE networks.
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Learners

Assignments

Hours

Videos

Unleash Your Potential: Explore Other Courses!


5G Core

$15/month

Understand SBA, AMF, SMF, UPF, service flows, mobility, sessions, and deployment challenges


SIP Protocol

$15/month

Understand SIP messages, headers, timers, responses, and real-world signaling failure scenarios


VoWiFi

$15/month

Understand ePDG, IMS integration, call flows, security, KPIs, and real-world failure scenarios


EPC & PS Core

$15/month

Deep dive into attach, bearer setup, GTP, QoS, mobility handling, and performance optimization


CSFB

$15/month

Deep dive into LTE to CS fallback signaling, MSC coordination, paging, and failure scenarios


CS Core

$15/month

Deep dive into GSM and UMTS CS procedures, call flows, and real troubleshooting scenarios


SS7 Signaling and SIGTRAN

$15/month

Deep dive into legacy SS7, IP transport, protocols, interfaces, and troubleshooting techniques

Unlock incredible savings with Smart Bundles - Best Value!

Maximum value packages with significant savings

VOIP & SIGNALING

$20/month

Save $10/month

The fundamentals of protocol communication.
  • SIP, SS7 & SIGTRAN 
  • SIP Call Flows, Timers, Headers & Error Handling
  • SS7 Architecture, MAP, ISUP & Call Scenarios
  • SIGTRAN Protocol Stack & Transport Mechanisms
  • Interworking Between SIP, SS7 & Legacy Networks

Mobile Core Pro

$30/month

Save $15/month

The complete "Heart of the Network" package.
  • 5G Core, PS & EPC, CS Core
  • 5G Core Architecture, Procedures & Key Interfaces
  • EPC & PS Core End-to-End Call Flows
  • CS Core Fundamentals & Legacy Interworking Scenarios
  • Mobility, Sessions & QoS Optimization Across Generations

Voice Master

$40/month

Save $20/month

End-to-end modern carrier voice solutions.
  • VoLTE, SIP, CS Core, VoWiFi
  • End-to-End Call Flows Explained
  • Signaling, Timers, Errors & Troubleshooting
  • CS Core, CSFB & SRVCC Interworking Scenarios
  • Voice Quality KPIs & Optimization Across Networks

Complete Telecom

60/month

Save $60/month

The "Best Value" for a total career transformation.
  • 5G Core, VoLTE, SIP, PS & EPC, CS Core, VoWiFi, SS7 & SIGTRAN, CSFB
  • End-to-End Mobile Voice/Packet Core Network Technologies
  • VoLTE, VoWiFi, CSFB & Legacy Interworking Explained
  • 5G Core, EPC, PS & CS Architectures Demystified
  • SIP, SS7 & SIGTRAN Signaling and Call Flows

Frequently asked questions

What are the prerequisites for this VoLTE course?

This course is designed for telecom professionals, network engineers, and students who already have a fundamental understanding of 2G/3G/4G network architectures. Familiarity with basic SIP signaling and EPC (Evolved Packet Core) concepts will help you get the most out of the advanced modules.

Will I receive a professional certification upon completion?

Yes! Once you successfully complete all video modules and pass the final knowledge assessment, you will be awarded a Certificate of Completion from Core & IMS Learning. This certificate can be downloaded directly from your profile page and shared on your LinkedIn profile.

Does this course cover practical troubleshooting and signaling?

Absolutely. We go beyond theory by providing a deep-dive into SIP call flows, SDP negotiation, and dedicated bearer establishment. You will learn to analyze real-world signaling traces and troubleshoot common issues like dropped calls and SRVCC handover failures.

Can I access the course on my mobile device?

Yes, the platform is fully mobile-optimized. You can watch lessons, download attached technical files, and participate in community discussions through any modern smartphone or tablet browser at any time.

Our school with your words

#is unexpected | #is awesome | #has quality features | #saved my life | #is the best

I am learning loads of new information concerning CORE and IMS learning. The instructor is very thorough and easy to listen to.


Product Technology Manager

easy to understand and great comparison between old and new technology



   
 Core Expert

Very helpful for my interview preparation.





Fresh Graduate

The course is nicely tailored and very in detail. The instructor is one of the best telecom instructors as he takes time to explain everything conclusively. Be prepared to take notes.

RAN integration Engineer

Deep Dive into VoLTE Explore our latest articles below.
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Core & IMS Learning

Expert Telecom Training Solutions Provider

About Core & IMS Learning

Core & IMS Learning is a global leader in high-end telecommunications training, dedicated to bridging the gap between legacy systems and the future of connectivity. With over 10 years of experience, we have empowered a community of more than 50,000 professionals worldwide to master the complexities of mobile networks.

Our curriculum spans the entire evolution of mobile standards—from the fundamentals of 2G/3G to the sophisticated architectures of 4G VoLTE, IMS, and 5G. As the industry shifts toward Cloud-native environments and Network Function Virtualization (NFV), we provide the technical depth required to navigate the software-defined future. We are currently pioneering training frameworks for the transition to 6G, ensuring our students remain at the cutting edge of global innovation.

With Core & IMS Learning, you don't just learn technology; you gain the competitive edge needed to maximize your earning potential and drive measurable value in any Tier-1 operator or vendor organization.

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