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[TPR1006] Voice over Wi-Fi (VoWiFi) *NEW*

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LTE networks are under tremendous pressure to provide high quality services, both non-real time (e.g. Internet, email, ftp) and real-time (e.g. Voice, video and instant messaging). It is advantageous for LTE networks to selectively off-load certain types of traffic at certain times to Wi-Fi networks by clearly defining network level and usage control policies. This session is designed to provide an insight into one of those services, VoWiFi (Voice over Wi-Fi), which provides enhanced multimedia services for subscribers. The session describes the VoWiFi service and how it differs from existing VoLTE capabilities. A discussion of the new network elements introduced with this feature shows how interworking is achieved with the VoLTE network. This session looks at high level call flows for VoLTE calling scenarios using VoWiFi including handovers. A brief insight is also given into QoS management as well.

Learning Objectives

After completing this course, the student will be able to:
• Explain the motivation and requirements for VoWiFi
• Identify key network components and their functions
• Identify the interfaces and protocols used for VoWiFi
• List LTE network elements used for interconnection with Wi-Fi networks
• Describe typical VoWiFi use cases
• List important VoWiFi services
• Identify and list VoWiFi QoS requirements

Intended Audience

This is an introductory level technical course, primarily intended for those in system design, system integration and test, systems engineering, network engineering, operations, and support.

Suggested Prerequisites

• [LTE_102] LTE Overview (eLearning)
• [LTE_112] VoLTE Overview (eLearning)

Course Length

0.5 day

Course Outlines / Knowledge Knuggets

1. Voice Over Wi-Fi Definition
1.1. Definition of VoWiFi
1.2. Market drivers, use cases and typical application scenarios
1.3. Architectural requirements
1.4. Network architecture for VoWiFi
1.5. Network elements, interfaces and protocols

2. High-level Use Cases
2.1. UE configuration for VoWiFi
2.2. Wi-Fi access and voice call initiation
2.3. Handover from VoLTE to Wi-Fi
2.4. VoWiFi to VoLTE handover

3. VoWiFi Services
3.1. Voice and video calls
3.2. Internet access
3.3. Emergency calling
3.4. VoWiFi QoS


- Self-paced, animated, and interactive

- $150/each course for 6 month license

- Immediate online access upon purchase

- Flexible way to take training at any hour

- Online training transcript available

- Electronic certificates at completion

- Full list of courses at


For any additional questions,
please contact Mr. Rod Marckese
at +1-972-664-0727 x246 or

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