this post was submitted on 06 Jan 2024
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[–] [email protected] 114 points 11 months ago (4 children)

Not familiar with apple - does the last message being sent as a (green) text mean he got blocked?

[–] [email protected] 155 points 11 months ago (1 children)

In this context, yes. But I can also mean that the device could not be reached or the recipient switched to android. But for the sake of the joke it means they were blocked.

[–] [email protected] 27 points 11 months ago (2 children)
[–] [email protected] 60 points 11 months ago (1 children)

iMessage uses it’s own protocols and shit that are proprietary, and uses the standard sms protocol as a fallback. Android can use something called RCS which catches up feature wise, but doesn’t play nice with apple.

It’s to create an illusion of exclusivity and therefore social pressure to use an apple device.

[–] [email protected] 36 points 11 months ago (1 children)

but doesn’t play nice with apple.

This isn't technically wrong, but to be clear, iMessage is closed source. No one can play nice with Apple, in that regard.

RCS on the other hand is a more open standard that anyone is free to implement and use. It just doesn't come with end-to-end encryption as a part of the standard.

[–] [email protected] 4 points 11 months ago (3 children)

Nope, RCS isn't. It's still not opened up for 3rd party Android apps.

[–] [email protected] 11 points 11 months ago (1 children)

I mean it's just a gsm standard with some extra features. Realistically you could probably (relatively) easily figure it out and code it yourself like beeper mini did with iMessage but I don't think gsm or Google is going to change the standard to stop you.

[–] [email protected] -1 points 11 months ago (2 children)

...no, you can't. I've seen people try. Google says they will open the RCS protocol to 3rd parties... soon?

[–] [email protected] 7 points 11 months ago (1 children)

Google doesn't own the RCS protocol. This is like saying they own the SMTP protocol because they provide Gmail. They are just one company that has implemented the protocol in their default text message app. They built end-to-end encryption into their implementation, which is currently closed source. I'm guessing this is what you're referring to.

Anyone can implement RCS. It may cost you some money and some time, but it is possible. That's the difference I was originally trying to highlight.

[–] [email protected] -4 points 11 months ago* (last edited 11 months ago) (1 children)

No, anyone cannot. That's why I said it wasn't really open. 3rd party android apps can't use RCS. I would need to use Google's Messages app.

[–] [email protected] 6 points 11 months ago (2 children)

No. I'm sorry. You can't just say it and make it true. Please show me how Google owns RCS or prevents other developers from implementing it within their own apps.

[–] thisisnotgoingwell 0 points 11 months ago (1 children)

I'm convinced you're incorrect. SMTP is an open transport protocol defined in RFC 2821 by the IETF. Anything that is an IP "open protocol" would be defined by IETF as an RFC. No one owns it. No license is required to operate an SMTP server. Same with other common protocols like SIP. It sets qualifications/requirements for what it is so anyone can use it.

RCS is a proprietary standard owned by the GSMA. It seems there is some support for developers that want to use RCS but it's through an API. Meaning your use is licensed and at a cost. Also, you can't really see what it's doing. You're just using an API. Your access can be revoked. So is it an open standard? No.

I did my own research and I plan to try these APIs because I have used other messaging services like twilio for paging applications. But here are some other geeks arguing about it:

https://www.reddit.com/r/Android/comments/wm18td/stop_telling_people_that_rcs_is_an_open_standard/

[–] [email protected] 3 points 11 months ago (1 children)

https://www.gsma.com/futurenetworks/wp-content/uploads/2019/10/RCC.07-v11.0.pdf

The specification exists. It's not free as in beer. This is really beside the point. Google implemented an RCS messaging client. Your cellular carriers implement the RCS endpoints the clients use.

[–] thisisnotgoingwell -1 points 11 months ago (1 children)

Well others including I have explained it to you. It's not open. And your comparison (SMTP) shows your lack of knowledge on the subject.

[–] [email protected] 3 points 11 months ago

What have you explained? That RCS is not stewarded by the IETF? That's not the crux of the issue. My original claim was that RCS was more open than iMessage and that RCS is not owned or controlled by Google. Tell me where I'm wrong, and back it up with good sources. Or not. Whatever you're feeling like.

[–] [email protected] -2 points 11 months ago

I don't have the technical knowledge to explain how what works, but there are no FOSS or 3rd party RCS apps for a reason and you can find various posts on social media from devs trying to implement or even reverse engineer RCS and failing

[–] [email protected] 2 points 11 months ago

That's their rcs protocol. It's the one with the features. Without the features is easy, the features are what make it difficult.

[–] [email protected] 2 points 11 months ago

It's a gated standard.

[–] [email protected] 1 points 11 months ago (2 children)

Are you sure about that?

In early 2020, it was estimated that RCS was available from 88 operators in 59 countries with approximately 390 million users per month.

https://en.m.wikipedia.org/wiki/Rich_Communication_Services

[–] thisisnotgoingwell 0 points 11 months ago

Yes, and your source says nothing to the contrary.

[–] [email protected] -3 points 11 months ago

All using Google Messages. Yep I'm sure. Samsung skins the app but it's all Google Messages. 3rd party apps arenct supported. I'll use RCS when there's FOSS on Android for RCS.

[–] Still 6 points 11 months ago

because iMessage uses texting as a fall back

[–] [email protected] 47 points 11 months ago (2 children)

It means the message was sent as an SMS rather than via Apple's internet chat protocol. There's also a whole thing that when you write with Android users, they always get green bubbles.

https://support.apple.com/en-us/105087

I guess, this could still mean that you've been blocked and it then tries to deliver via SMS, but I have no idea...

[–] [email protected] 6 points 11 months ago* (last edited 11 months ago)

Ig because it says "sent as text message"

[–] [email protected] 5 points 11 months ago

iMessage doesn't give any indication of your blocked. It doesn't even bother trying to resend as sms if the recipient blocks you

[–] [email protected] 42 points 11 months ago (1 children)

I started laughing because i thought the exchange somehow led to them switching to an android phone towards the end 😅

[–] [email protected] 9 points 11 months ago

Everyone knows you gotta use a Motorola to play Fortnite!

[–] [email protected] 11 points 11 months ago

It could mean one of them was out of cellular range or that the other switched to an Android