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SIP (session initiation protocol). It’s superior to the PSTN in every way, and problems like spam can be solved just like we did with emails (not to mention, t
by Rjevski 8y ago
SIP (session initiation protocol).
It’s superior to the PSTN in every way, and problems like spam can be solved just like we did with emails (not to mention, there’s plenty of spam on the PSTN too).