A method by a telephony server, TS, of multi-media conferencing between Universal Plug and Play, UPnP, enabled telephony devices in an UPnP telephony based home network and a plurality of Wide Area Network, WAN, devices (116A,... 116N), comprising: receiving a session request associated with the plurality of WAN devices (116A,... 116N) from at least one telephony control point, TCP; and establishing a multi-media conferencing session between a first telephony client,TC, associated with the at least one TCP and the plurality of WAN devices (116A,... 116N) based on the session request, wherein establishing the multi-media conferencing session comprises: retrieving a first session identifier, a list of WAN devices (116A,... 116N) or a conference group identifier associated with the one or more WAN devices (116A,... 116N), media capabilities of the first telephony client, TC, and session information from the received session request, and transmitting, to the plurality of WAN devices (116A,... 116N), a multi-media conference initiate request including a second session identifier, media capabilities of the first TC, and the session information, wherein the first session identifier corresponds to information that identifies the multi-media conferencing session between the TCP and the TS, and the second session identifier corresponds to information that identifies the multi-media conferencing session on the plurality of WAN devices (116A,... 116N). receiving a session request associated with the plurality of WAN devices (116A,... 116N) from at least one telephony control point, TCP; and establishing a multi-media conferencing session between a first telephony client,TC, associated with the at least one TCP and the plurality of WAN devices (116A,... 116N) based on the session request, wherein establishing the multi-media conferencing session comprises: retrieving a first session identifier, a list of WAN devices (116A,... 116N) or a conference group identifier associated with the one or more WAN devices (116A,... 116N), media capabilities of the first telephony client, TC, and session information from the received session request, and transmitting, to the plurality of WAN devices (116A,... 116N), a multi-media conference initiate request including a second session identifier, media capabilities of the first TC, and the session information, wherein the first session identifier corresponds to information that identifies the multi-media conferencing session between the TCP and the TS, and the second session identifier corresponds to information that identifies the multi-media conferencing session on the plurality of WAN devices (116A,... 116N). retrieving a first session identifier, a list of WAN devices (116A,... 116N) or a conference group identifier associated with the one or more WAN devices (116A,... 116N), media capabilities of the first telephony client, TC, and session information from the received session request, and transmitting, to the plurality of WAN devices (116A,... 116N), a multi-media conference initiate request including a second session identifier, media capabilities of the first TC, and the session information, wherein the first session identifier corresponds to information that identifies the multi-media conferencing session between the TCP and the TS, and the second session identifier corresponds to information that identifies the multi-media conferencing session on the plurality of WAN devices (116A,... 116N).