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What is RCC state please ?

kevbur123

Member
As per thread title

Can anyone please explain what "RCC state in error". I believe this can cause volte and WiFi calling to not work. I have Google the issue after having issues with 4g calling.

You can see this by dialing *#*#4636#*#* and looking in 5g debug info. Also in phone information you can see 5g and 4g status in real time, which shows if you are truly utilizing volte whilst making a call.

In the image I have highlighted the areas I believe are causing my volte issues.
Screenshot_20221102-071433~2.png
 
RRC is short for Radio Resource Control, more detail here:


It should cause a problem with all connections, not just VoLTE as there is only one RRC state machine per UE
 
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