Described herein is a technology for facilitating diagnosis of the operation of devices or machines based, at least in part, upon the acoustics of such. In one embodiment, a request is received to add a table to a replication domain, such that the table is replicated from a first database server to at least a second database server. a mobile terminal connected to such network, and a UPnP enabled second network element of a UPnP enabled network, both networks being interconnected by an IMSUPnP interface.