Vikas Shokeen

Building Concepts for Lifetime – Simplifying Technology & Specs

This is a Non-Profit Site aimed at Demystifying 3GPP telecom Specs in simplified version

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    08 - VoLTE Evolution (New)
    Vikas Shokeen
    • Nov 7, 2020
    • 9 min

    08 - VoLTE Evolution (New)

    Section # 1 (Evolution of Telephony) · Difference between 2G / 3G –vs- 4G Non-VoLTE –vs- VoLTE Networks · Services in Non-VoLTE 4G Vs VoLTE Networks · The Problem with 4G (Non-VoLTE) Network? Section # 2 (Voice Service Flow) · Call in CS Core 2G / 3G Networks · Call via CSFB where VoLTE is not available along with 4G · Call in VoLTE where both 4G & VoLTE exists Section # 3 (SMS Service Flow) · SMS in CS Network: Using 2G / 3G · SMS over SGs: SMS transit via SGs Link between 4
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    Original Content © 2020 by Vikas Shokeen

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