A method of communicating information describing a voice call from a caller device to a recipient device. Call subject information describing the call is obtained from the caller device and sent to the recipient device to inform the recipient about the subject of the call. The call subject information is can be presented as a subject line displayed to on the recipient device to inform the recipient about the nature of the call and/or its urgency, thereby enabling the recipient to better determined whether to answer the call. The call subject information can be input by the caller or extracted automatically from an application from which the call was initiated.