5G roadblock: labor

[mike at mtcc.com (Michael Thomas)]

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 at mtcc.com 
> <mailto: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
>>     <mailto:mike at mtcc.com>> wrote:
>>
>>
>>         On 12/30/19 4:19 PM, Brandon Martin wrote:
>>         >
>>         >Â  Â 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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