Re: Some views on Secure RTP

[Werner Dittmann <Werner.Dittmann@xxxxxxxxxxx>]

Randell Jesup wrote:
> Werner Dittmann <Werner.Dittmann@xxxxxxxxxxx> writes:
>>> Ummmm.  CALEA (if you're subject to it, which currently most-but-not-all
>>> are in the US) pretty much mandates relaying all media or having active
>>> undetectable tap-points in the media path.  So it's not a big step for them
> ...
>>> Similar rules exist in many/most other countries; some more restrictive.
>>>
>> Well, looking at German SIP providers - they don't do it. I've checked this
>> together with some friends. We use various providers (mine if FWD, which is not
>> in Germany) and we always had point-to-point when it comes to media. Even in
>> the mixed case where I call them or they call me.
> 
> FWD is not an "interconnected" provider (last I knew) in the US/FCC-terms.
> (In fact, they're the ones that got the clarification from the FCC saying
> they didn't have to relay IP calls, since modified to cover any provider
> who connects to the PSTN, even somewhat indirectly.)  Also, FWD doesn't
> charge (directly), and therefore would have a tough time paying for SBCs
> and associated bandwidth.  As for German laws, you'll have to answer that
> one.
Maybe that's one of the reasons here: nobody charges for the SIP services,
only for basic Internet access. And a monthly flat rate for Internet access
(DSL up to 6Mbit) is about 6-12 Euros - probably they don't have the money
to afford and to operate such things.

Regards,
Werner

> 
>> Even the T-Online SIP offering (T-Online is part of Deutsche Telekom AG,
>> German's largest Telco) works without SBC or alike (at least according to
>> our tests). I think it is already "too late" to introduce SBC at wireline
>> Internet offerings (at least here in Germany) - the picture is different
>> when it comes to mobile operators.
> 
> Perhaps they don't have the same sort of rule/law, or they care less about
> it being undetectable, or they also control the access link (i.e. Deutsche
> Telekom provides the DSL link, or has a deal with your cable internet
> provider, etc) to allow tapping at the access point of their network.
> Etc.
>