not_IO@lemmy.blahaj.zone to Microblog Memes@lemmy.worldEnglish · 1 day agomaybe sending dms across the fediverselemmy.blahaj.zoneimagemessage-square124linkfedilinkarrow-up11.14Karrow-down116file-text
arrow-up11.13Karrow-down1imagemaybe sending dms across the fediverselemmy.blahaj.zonenot_IO@lemmy.blahaj.zone to Microblog Memes@lemmy.worldEnglish · 1 day agomessage-square124linkfedilinkfile-text
minus-squarenonentity@sh.itjust.workslinkfedilinkEnglisharrow-up17·17 hours agoSMS was never intended to be available to end users. It was built as a side channel to help field techs with diagnostics. When consumer handsets started to add features, it was co-opted to provide what we know it as today.
minus-squareAceticon@lemmy.dbzer0.comlinkfedilinkEnglisharrow-up3·6 hours agoThat explains why way back when I tried to read the GSM (1.x) specification out of curiosity, it turned out SMS were going via a “control channel”. Always wondered why the data for those was going via a control channel rather than some kind of data channel.
SMS was never intended to be available to end users. It was built as a side channel to help field techs with diagnostics. When consumer handsets started to add features, it was co-opted to provide what we know it as today.
That explains why way back when I tried to read the GSM (1.x) specification out of curiosity, it turned out SMS were going via a “control channel”.
Always wondered why the data for those was going via a control channel rather than some kind of data channel.