A method for previewing a caller of a video call, the method comprising: receiving a video call from a caller SIP enabled user device at a recipient session initiation protocol, SIP, enabled user device; presenting, at the recipient SIP enabled user device, in response to the received video call, call recipient first options, including accept the video call, decline the video call and preview; receiving, at the recipient SIP enabled user device, a selection of the preview call recipient first option; and in response to receiving the preview call recipient first option, at the recipient SIP enabled user device: establishing a two way media session for the video call by accepting a SIP request for video communication to establish a two way real-time transport protocol, RTP, media session, disabling the recipient SIP enabled user device's ability to send video corresponding to the video call, and signaling a preview request to the caller SIP enabled user device for the caller SIP enabled user device to present the following caller options on the caller SIP enabled user device to the caller: allow the preview request and decline the preview request; receiving, at the recipient SIP enabled user device, video corresponding to the video call from the caller SIP enabled user device in response to a selection, on the caller SIP enabled user device, of the allow the preview request caller option, displaying, at the recipient SIP enabled user device, the received video corresponding to the call, presenting the following call recipient second options: accept the video call and terminate the video call; and enabling, in response to receiving the accept call recipient second option, the recipient SIP enabled user device's ability to send video corresponding to the call. receiving a video call from a caller SIP enabled user device at a recipient session initiation protocol, SIP, enabled user device; presenting, at the recipient SIP enabled user device, in response to the received video call, call recipient first options, including accept the video call, decline the video call and preview; receiving, at the recipient SIP enabled user device, a selection of the preview call recipient first option; and in response to receiving the preview call recipient first option, at the recipient SIP enabled user device: establishing a two way media session for the video call by accepting a SIP request for video communication to establish a two way real-time transport protocol, RTP, media session, disabling the recipient SIP enabled user device's ability to send video corresponding to the video call, and signaling a preview request to the caller SIP enabled user device for the caller SIP enabled user device to present the following caller options on the caller SIP enabled user device to the caller: allow the preview request and decline the preview request; establishing a two way media session for the video call by accepting a SIP request for video communication to establish a two way real-time transport protocol, RTP, media session, disabling the recipient SIP enabled user device's ability to send video corresponding to the video call, and signaling a preview request to the caller SIP enabled user device for the caller SIP enabled user device to present the following caller options on the caller SIP enabled user device to the caller: allow the preview request and decline the preview request; receiving, at the recipient SIP enabled user device, video corresponding to the video call from the caller SIP enabled user device in response to a selection, on the caller SIP enabled user device, of the allow the preview request caller option, displaying, at the recipient SIP enabled user device, the received video corresponding to the call, presenting the following call recipient second options: accept the video call and terminate the video call; and enabling, in response to receiving the accept call recipient second option, the recipient SIP enabled user device's ability to send video corresponding to the call.