A user device comprising: an output component configured to deliver a voice call or a video call to a user in a standalone mode of the user device; an input component configured to receive a notification of an incoming voice or video call; a processing component; characterised in that the user device is for use in a communication system which comprises a network node operable to communicate with the user device via a network, and a media device connected to the network; and in that the user device comprises; an indication generator configured to output an indication played out over a speaker of the user device in response to receiving said notification, said indication comprising an identifier relating to the incoming voice call or video call, said identifier received from the network node; and in that said processing component is configured to: receive a message from the network node via the network, said message indicating that the media device has detected said identifier, and comprising a set of device capabilities of the media device; process said message received from the network node and provide a selectable option to a user of the user device via the output component for interacting with said media device, said selectable option provided in dependence on said device capabilities of the media device; and detect selection of the option by the user to initiate a temporary paired mode of the user device in which visual information is transferred to the media device via the network, wherein the visual information is configured to be displayed at the media device to deliver at least part of the voice call or the video call at the media device, wherein the visual information comprises a current image displayed on a display of the user device. an output component configured to deliver a voice call or a video call to a user in a standalone mode of the user device; an input component configured to receive a notification of an incoming voice or video call; a processing component; characterised in that the user device is for use in a communication system which comprises a network node operable to communicate with the user device via a network, and a media device connected to the network; and in that the user device comprises; an indication generator configured to output an indication played out over a speaker of the user device in response to receiving said notification, said indication comprising an identifier relating to the incoming voice call or video call, said identifier received from the network node; and in that said processing component is configured to: receive a message from the network node via the network, said message indicating that the media device has detected said identifier, and comprising a set of device capabilities of the media device; process said message received from the network node and provide a selectable option to a user of the user device via the output component for interacting with said media device, said selectable option provided in dependence on said device capabilities of the media device; and detect selection of the option by the user to initiate a temporary paired mode of the user device in which visual information is transferred to the media device via the network, wherein the visual information is configured to be displayed at the media device to deliver at least part of the voice call or the video call at the media device, wherein the visual information comprises a current image displayed on a display of the user device. receive a message from the network node via the network, said message indicating that the media device has detected said identifier, and comprising a set of device capabilities of the media device; process said message received from the network node and provide a selectable option to a user of the user device via the output component for interacting with said media device, said selectable option provided in dependence on said device capabilities of the media device; and detect selection of the option by the user to initiate a temporary paired mode of the user device in which visual information is transferred to the media device via the network, wherein the visual information is configured to be displayed at the media device to deliver at least part of the voice call or the video call at the media device, wherein the visual information comprises a current image displayed on a display of the user device.