Comment Comment by ebb_earl_co From [0], it seems that RCS can use the cellular signal instead of LTE or 5G:> In cases where RCS is able to operate over cellular networks without data, it supports messaging as well as file transfer, enriched calling, and more.[0]: https://en.wikipedia.org/wiki/Rich_Communication_Services parent ebb_earl_co 1 month ago
> In cases where RCS is able to operate over cellular networks without data, it supports messaging as well as file transfer, enriched calling, and more.
[0]: https://en.wikipedia.org/wiki/Rich_Communication_Services