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 <m...@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 <m...@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 >> >>
