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LTE: How the uplink and downlink data flow through indirect data forwarding tunnels in S1- handover ?

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I went through the call flow diagram that is shown in 23.401 specification and tried to understand data flow (down link and up link both) through indirect data tunnels. I was bit confused that's why post my query here.

posted Oct 5, 2018 by Vikram Singh

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My email id is "vimal_bhumca06@yahoo.co.in". I am looking for successful S1-handover (with MME and SGW relocation) logs.

Thanks in advance.

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