Comment on Wireshark: Facetime on Iphone 4: Vanilla unencrypted STUN and SIPparentComments−sp33216yGSM supports optional encryption, but there's no notification to the user whether a given call is encrypted.−eli16yYes, but I'm pretty sure all US carriers use it all the time(Though it's true that this opens you up to a potential MITM attack by a well equipped adversary, it's still a far cry from an open wifi network)
Comments
GSM supports optional encryption, but there's no notification to the user whether a given call is encrypted.
Yes, but I'm pretty sure all US carriers use it all the time
(Though it's true that this opens you up to a potential MITM attack by a well equipped adversary, it's still a far cry from an open wifi network)