Re: 5G roadblock: labor

[Michael Thomas <mike () mtcc com>]

On 12/30/19 4:48 PM, Shane Ronan wrote:
> VoWIFI from your cell phone is essentially the same thing, except your 
> phone has to build a tunnel to the providers EPC via an SGW because of 
> the untrusted connectivity.


Yeah, I got the IPsec part right away. I guess they figure once it's in 
an encrypted tunnel it's nobody's business what's in it :)

Mike

> On Mon, Dec 30, 2019, 7:45 PM Michael Thomas <mike () mtcc com 
> <mailto:mike () mtcc com>> wrote:
>
>
>     On 12/30/19 4:41 PM, Shane Ronan wrote:
> >     Look up VoLTE.
>
>
>     Yeah I did, and confirmed it's just SIP+RTP over IP. Which is why
>     it's so frustratingly hard to find the same simple diagram or
>     whatever for vowifi.
>
>     Mike
>
> >     On Mon, Dec 30, 2019, 7:39 PM Michael Thomas <mike () mtcc com
> >     <mailto:mike () mtcc com>> wrote:
> >
> >
> >         On 12/30/19 4:19 PM, Brandon Martin wrote:
> >         >
> >         >   I really don't want to go diving down the 3GPP document
> >         hole...
> >
> >
> >         Yeah, no kidding. It's like acronym soup. I've been trying
> >         all afternoon
> >         to figure out vowifi and am now pretty certain that it's just
> >         SIP
> >         signaling over IP. But it's been really frustrating because I
> >         still
> >         haven't managed to find "RTP" explicitly. I would assume that
> >         if you use
> >         SIP you're probably going be shipping RTP packets for media,
> >         but it's
> >         amazing how hard this has been to confirm, and I've tried to
> >         find this
> >         out more than once. I even stumped Dave Oran...
> >
> >         Mike