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5G roadblock: labor



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 at 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 at 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
>>
>>
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