A variety of technologies are available to network appliances and provide home automation and control. However, these do not support wide-area access control and interworking of these Networked Appliances (NA). This document describes a new SIP method, DO, that allows a SIP UA to communicate with NAs.
The next wave of the Internet is widely predicted to be the Networked Appliance (NA) - the refrigerator that can keep an inventory of your groceries and re-order when necessary or perhaps the alarm clock that can co-ordinate your agenda, check the weather and the road conditions to determine the correct time to wake you up.
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