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Deep Dive into 5G Voice EPS Fallback “Everything You Need to Know”

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This video is a deep dive into 5G Voice EPS Fallback, covering "Everything You Need to Know." The following topics are explored in this video:
1.5G Voice Services: Comprehensive exploration of all available voice solutions for all 5G architectures.
2.Voice Over New Radio: In-depth explanation of VONR Architecture and IMS NW Functions.
3.Fallback Triggering Methods: Listing the core differences between EPS Fallback and RAT Fallback.
4.EPS Fallback Triggering Methods: Detailed exploration of the main triggering methods for Fallback.
5.Call Flow (Signaling): In-depth view of signaling call flow for EPS HO and Redirection measurement-based scenarios.
6.Explaining How to Calculate the EPS Fallback Setup Time: Clarifying the process of calculating the setup time for EPS Fallback.
Working materials will be uploaded to the below blog
www.mohamedela...

Опубликовано:

17 авг 2024

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Комментарии : 17

@shoaibakram4399 3 месяца назад

amazing video ,thank you

@mohamedeladawiashour 3 месяца назад

You’re welcome. Thanks a lot; shoaib

@AbbasNasser-yk2ku 9 месяцев назад

Great effort in covering the topic E2E and in details , Keep going

@mohamedeladawiashour 9 месяцев назад

Thank you

@MohamedHassan-mo3zo 10 месяцев назад

Very clear as usual . 👌

@mohamedeladawiashour 9 месяцев назад

Thank you

@nizarworld2020 3 месяца назад

Kindly explain configuration level as deep dive which will explore what would have happened in each node. All vendors configuration almost same. Eg; upf discovery of pcscf IP, it's common in all tech exercising to identify dns and IP pool settings.

@mohamedeladawiashour 3 месяца назад

Configuration or you mean call flow detailed level?

@georgioskarouzos7418 2 месяца назад

Hello Mohamed, your videos are always very valuable!In case of EPS fallback the Ue performs again IMS registration, now in 4g network, given that Ue 's first ims registration was in SA. Is it correct?Thank you

@mohamedeladawiashour 2 месяца назад

Thanks, Georgie; the Ue needs to do one time registration to IMs even in 4G or 5G; you will not make any need registration even if moved between 4g and 5g only registration is required if ue is out coverage or deregistered from ims. I am not sure if understood your question correctly or not. Let me know on either cases

@nizarworld2020 3 месяца назад

Ng media to pcscf is missing , either you can ignore upf to immgw or connect pcscf to immgw

@mohamedeladawiashour 3 месяца назад

Thanks for adding this; yes and in general the IMS architecture is not completed in this video; i will consider the detailed one in next video for Vonr and Epsfb

@georgioskarouzos7418 7 месяцев назад

Hello Mohamed! In case a VoNR capable Ue initiates a VoNR call in SA area and starts moving to 4G area, then VoNR to VoLTE measurement-based IRAT handover will take place. Is it correct? If blind or measurement-based Redirection occurs, then this is considered as VoNR drop. Is it correct ? Thank you

@mohamedeladawiashour 7 месяцев назад

Hi Georgie, you are correct. As far as I know, blind redirection or redirection, in general, shouldn't be considered as an option, assuming it is supported by any vendor. This could result in drops for voice services. I recall a similar concept being applied in VoLTE as well.

@georgioskarouzos7418 8 месяцев назад

Valuable info Mohamed, way to go!! To my understanding with Sip invite message 5qi 5 is initially established for ims signaling.Then network Pdu session modification message is sent for 5qi 1 dedicated qos flow.Is it correct?

@mohamedeladawiashour 8 месяцев назад

Hi George, Yes you are right, You can find the call flow which showing this point at slide 10, you may download the working materials from this link www.mohamedeladawi.com/deep-dive-into-5g-voice-eps-fallback-everything-you-need-to-know/

@georgioskarouzos7418 8 месяцев назад

@@mohamedeladawiashour Thank you very much