Subject: RE: [Sipping] Service Identification in SIP

From: <[email-masked]>
Date: Wed, 4 Apr 2007 07:37:58 +0200

Dale worley wrote: 
' My impression is that in the US, the government agencies just vacuum
up all the packets going to your UA.' 

In the eu more or less the same applies with regard to 'internet' traffic. In addition ISPs are obligated to store usage information under the LI regime	 for about a year or so. However, some givernments and LEAs want the same LI facilities as are available at the PSTN (TDM). This includes real-time feeds of conversations obscured from boht the called party and calling parties. In addition LI taps must not be visible for network engineers, only for a select qualified few are allowed to know. This is however an implementation isue, not a technology or standards issue. p2psip make some of this obsolete.

Colin 

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Dale worley wrote: 
' My impression is that in the US, the government agencies just vacuum
up all the packets going to your UA.' 

In the eu more or less the same applies with regard to 'internet' traffic. In addition ISPs are obligated to store usage information under the LI regime	 for about a year or so. However, some givernments and LEAs want the same LI facilities as are available at the PSTN (TDM). This includes real-time feeds of conversations obscured from boht the called party and calling parties. In addition LI taps must not be visible for network engineers, only for a select qualified few are allowed to know. This is however an implementation isue, not a technology or standards issue. p2psip make some of this obsolete.

Colin 

-----Original Message-----
From: "[email-masked]" <[email-masked]>
To: "[email-masked]" <[email-masked]>
Sent: 2-4-07 05:50
Subject: Re: [Sipping] Service Identification in SIP

   From: "Jeroen van Bemmel" <[email-masked]>

   If I understand the "in the UA" service model, the role of the operator 
   would be to host only a SIP proxy service? In today's regulatory systems 
   such a model would not work, because of requirements on legal intercept 
   (amongst others). In order to fulfill such requirements, telco's have no 
   choice but to deploy an infrastructure that provides the necessary control.

My impression is that in the US, the government agencies just vacuum
up all the packets going to your UA.

Dale

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_______________________________________________
Sipping mailing list  https://www1.ietf.org/mailman/listinfo/sipping
This list is for NEW development of the application of SIP
Use [email-masked] for questions on current sip
Use [email-masked] for new developments of core SIP