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A comment on RCS for Business. Parent comment

Re:RCS for Business by jeroenhd on Wednesday January 21, 2026 @03:14AM (#46702585)
> They can make a "standards compliant" RCS which will be able to connect to literally zero carriers or servers on the planet.

I call bullshit. If iPhones can connect to RCS, so can other phones.

Their app does use a weird protobuf spec of their own design, but that's for synchronising messages across devices/their web UI. RCS doesn't really do multi-device the same way iMessage does so they had to add another layer. That's not part of RCS.

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Re:RCS for Business by hocuspocus on Wednesday January 21, 2026 @06:00AM (#46703858)
The iOS client sends an app attestation token during registration.

Jibe could let any compliant client connect doesn't mean it does in practice. Case in point: Harmony OS.

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