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A comment on Apple SIM. Parent comment

Re:Apple SIM by gsich on Tuesday March 27, 2018 @11:12PM (#16694947)
You dial a number. The other party will start ringing.
[ Parent | on HN ]
Re:Apple SIM by mhd on Wednesday March 28, 2018 @03:59AM (#16696180)
And not just calling. There was no need for a lengthy handshake after the connection was setup for ISDN modems.
[ Parent | on HN ]