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I think it depends; speculating but probably volte is a very complicated spec with many optional enhancements ( think ssl with cipher types ) So carrier can ch

• pbasista 1y ago
  > whitelist/blacklist phones depending on extensions available That would be, I believe, fine. Those are capabilities-based restrictions. From my point of view, the issue would be if the same phone worked with the same technology over the same mobile network when connected via a carrier A but the same phone on the same network refused to work with the same technology when connected via a carrier B.
  • bluesign 1y ago
    > From my point of view, the issue would be if the same phone worked with the same technology over the same mobile network when connected via a carrier A but the same phone on the same network refused to work with the same technology when connected via a carrier B. But thats the whole point of carrier profiles ( If I didn't understand wrong. ) Eventually it is the carrier who decides what you can do. ( this can also may be related to deals they made with manufacturers ) I think in this case, it is just missing carrier profile. ( which is like a config file )