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Re:MuditaOS And Mudita Center are now fully Open Source by ryukafalz on Wednesday November 10, 2021 @11:23AM (#29176484)
> What makes group messaging so much harder to implement?

Group messaging requires MMS, so you don't get it for free by just implementing SMS. Most up-and-coming platforms seem to stop at SMS - which you do need for MMS as its control messages are sent via SMS, but it's not enough.

Re:MuditaOS And Mudita Center are now fully Open Source by selfhoster11 on Wednesday November 10, 2021 @03:37PM (#29180388)
MMS is overpriced in all European networks that I know of. This might be why it's not seeing much adoption.