VoLTE users roaming

4G LTE
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1

Hi Experts,

Do you know that there is no Roaming for VoLTE users?

In Europe there is VoLTE roaming just for 2-3 MNOs all the rest of the users are forced to do CSFB when in roaming in Europe.

How is the situation in US? And in Asia?

2

Hi every one
Related to VoLTE roaming can LBO and S9 interface is same or not ??

3

Nowadays it is supported: VoLTE Roaming Scenarios