CSFB in 4G Networks: Comprehensive Circuit Switch Fallback

سرفصل های دوره

Learn everything about 4G CSFB, including architecture, signaling flows, real-world implementations in mobile networks

1 - Introduction to LTE Voice Solutions CSFB and VoLTE

1 -Introduction to LTE Voice Solutions CSFB and VoLTE

2 -Understanding Circuit Switched Fallback (CSFB)

3 -Pros and Cons of Circuit Switched Fallback (CSFB)

4 -Understanding Voice over LTE (VoLTE)

5 -Pros and Cons of Voice Over LTE (VoLTE)

2 - CSFB Architecture and Call Flow Overview

1 -High-Level Overview of CSFB Architecture

2 -High-Level CSFB Call Flow and Process

3 - Core Network Components and Their Roles in CSFB

1 -Key Network Nodes in CSFB User Equipment (UE)

2 -Explaining the Role of eNodeB in CSFB

3 -The Role of MME in CSFB

4 -The Role of MSC in the CSFB

5 -The Role of HSS in the CSFB

4 - SGs Interface and Protocol Stack in CSFB

1 -Understanding the SGs Interface in LTE and CS Networks

2 -The SGsAP Protocol Stack Layers and Functions

3 -SGsAP Protocol Stack in Action Voice Call Example

5 - SGsAP Signaling Messages and Wireshark Analysis

1 -Introduction to SGsAP Signaling Messages

2 -SGsAP Location Update Request with Wireshark Analysis

3 -SGsAP Location Update Accept with Wireshark Analysis

4 -SGsAP Paging Request with Wireshark Analysis

5 -SGsAP Paging Response with wireshark analysis

6 -SGsAP Service Request with Wireshark Analysis

6 - CSFB UE States

1 -SGsAP UE States in CSFB

7 - CSFB Procedures Attach, Call Flow, and Updates

1 -CSFB Attach procedures

2 -CSFB Mobile-Originated (MO) Call Flow

3 -CSFB Mobile-Terminated (MT) Call Flow

4 -CSFB Detach Procedures

5 -TALA Update Procedures in CSFB

8 - Troubleshooting Common CSFB Signaling Issues

1 -Common Issues in CSFB Signaling Call Setup Delay

2 -Common Issues in CSFB Signaling Call Drops During Fallback

3 -Common Issues in CSFB Signaling Failed Location Updates

4 -Common Issues in CSFB Signaling Paging Failures

5 -Common Issues in CSFB Signaling Inconsistent QoS Parameters

9 - Real World Examples & Case studies

1 -AT&T, Vodafone & China Mobile

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تولید کننده: Udemy