Here ya go guys. This is from one of the technogeeks that helped write the WISPA standard.
marlon ----- Original Message ----- From: "Michael Erskine" <mic...@kaballero.com> To: <caleaquesti...@wispa.org> Sent: Thursday, March 01, 2012 1:48 PM Subject: Re: [Caleaquestions] [WISPA] VoIP CALEA Question > https://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS247&q=RFC6405&oq=RFC6405&aq=f&aqi=&aql=&gs_sm=3&gs_upl=436l4357l0l4685l9l9l1l2l2l0l417l1258l0.5.4-1l6l0 > > On 3/1/2012 4:39 PM, Michael Erskine wrote: >> VoIP which originates or terminates on your network must be collected at >> the origination or termination end. >> >> VoIP servers set up the connection by ensuring that both ends of the >> communication are able to communicate directly with each other. There >> is no relaying of the actual data packets through the VoIP server. >> >> Now then, if you have a subpoena that requires collection of a VoIP >> customer who is using a VoIP service which is not on your network, you >> will most likely also have a subpoena that requires all data from that >> customer. You probably won't even know that the LEA is after VoIP. >> >> Again, VoIP data streams are not "handed off" to anyone. The VoIP >> service simply arranges for both ends of the call to know how to connect >> directly to move voice data packets. >> >> >> On 3/1/2012 11:20 AM, Marlon K. Schafer (509-982-2181) wrote: >>> You can only record what hits your network. >>> >>> If it's handed off to someone else they'll have to record it. >>> >>> marlon >>> >>> ----- Original Message ----- >>> From: "Matt Hoppes"<mhop...@indigowireless.com> >>> To:<fai...@snappydsl.net>; "WISPA General List"<wireless@wispa.org> >>> Sent: Thursday, March 01, 2012 6:56 AM >>> Subject: Re: [WISPA] VoIP CALEA Question >>> >>> >>>> I'm obviously not asking the question properly. >>>> >>>> I know how to do a CALEA capture for regular IP traffic. My question >>>> is >>>> related to VoIP traffic in particular. >>>> >>>> (e.g. Yes, if a customer has Vonage I obviously can't record the >>>> call... >>>> but I can capture the packets). >>>> >>>> However, my understanding was always that if you provided VoIP from >>>> your >>>> network you had to be able to record both legs of the call so that the >>>> LEA can determine, for example, which side of the call a noise was >>>> heard >>>> on. >>>> >>>> >>>> Matt Hoppes >>>> Director of Information Technology >>>> Indigo Wireless >>>> +1 (570) 723-7312 >>>> >>>> On 3/1/12 9:38 AM, Faisal Imtiaz wrote: >>>>> Do a google search on "Mikrotik CALEA", take a look at The Mikrotik >>>>> WIki as well as Butch's CALEA (MUM 2007) presentation. >>>>> This will give you an excellent idea on how to accomplish what you are >>>>> asking for . >>>>> >>>>> Regards. >>>>> >>>>> Faisal Imtiaz >>>>> Snappy Internet& Telecom >>>>> 7266 SW 48 Street >>>>> Miami, Fl 33155 >>>>> Tel: 305 663 5518 x 232 >>>>> Helpdesk: 305 663 5518 option 2 Email: supp...@snappydsl.net >>>>> >>>>> >>>>> On 3/1/2012 7:20 AM, Matt Hoppes wrote: >>>>>> We are considering doing some limited VoIP offerings to supplement >>>>>> our >>>>>> GSM offerings in certain situations. >>>>>> >>>>>> A question that just arose, and I don't know the answer to is: >>>>>> >>>>>> * Understanding that an interconnected VoIP carrier must be CALEA >>>>>> compliant and be able to record calls. >>>>>> >>>>>> ** How does this situation work if the audio stream does not pass >>>>>> through your soft-switch? (e.g. end user makes a call, my soft switch >>>>>> sets up the call between end-user and Level3, and then a re-invite >>>>>> happens which sends the audio from the end-user direct to the Level3 >>>>>> switch) >>>>>> >>>>>> How am I suppose to be able to record that call? >>>>>> _______________________________________________ >>>>>> Wireless mailing list >>>>>> Wireless@wispa.org >>>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>>>> >>>>> _______________________________________________ >>>>> Wireless mailing list >>>>> Wireless@wispa.org >>>>> http://lists.wispa.org/mailman/listinfo/wireless >>>> _______________________________________________ >>>> Wireless mailing list >>>> Wireless@wispa.org >>>> http://lists.wispa.org/mailman/listinfo/wireless >>> _______________________________________________ >>> Caleaquestions mailing list >>> caleaquesti...@wispa.org >>> http://lists.wispa.org/mailman/listinfo/caleaquestions >>> >> _______________________________________________ >> Caleaquestions mailing list >> caleaquesti...@wispa.org >> http://lists.wispa.org/mailman/listinfo/caleaquestions >> > > _______________________________________________ > Caleaquestions mailing list > caleaquesti...@wispa.org > http://lists.wispa.org/mailman/listinfo/caleaquestions _______________________________________________ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
