If request is from UCS then reply with the required UCS reply attribute, else send back your old reply attribute. This can be done by either using the client-identifier attribute and unlang, or by using a new virtual-server instance... well, it can actually be done by at least another 3 ways but they are the 2 methods I'd choose from Alan -- This smartphone uses free WiFi around the world with eduroam, now that's what I call smart.