Re: 5G roadblock: labor

[Shane Ronan <shane () ronan-online com>]

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.

On Mon, Dec 30, 2019, 7:45 PM Michael Thomas <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> 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