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A comment on Verizon network ALG blocks SIP .

Re:Verizon network ALG blocks SIP by ejdyksen on Thursday July 04, 2013 @03:47PM (#5992174)
With my iPhone 5 on VZW, I can SIP REGISTER just fine with Bria (a SIP client) running on the phone itself. I can make a call, too (using FreeSwitch). I cannot, however, do any SIP REGISTERs with my MBP tethered to my phone.

So the headline would more accurately be:

  "Verizon blocks SIP on tethered devices"
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Re:Verizon network ALG blocks SIP by gz5 on Thursday July 04, 2013 @04:06PM (#5992236)
very interesting. and Bria is not using TLS or encapsulating SIP in https? would also be interesting to see how selective VZW is being, e.g. letting some SIP through (even tethered), depending on the app.
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