Embodiments of the invention are concerned with processing data relating to calendar entries. In one embodiment processing includes detecting a correspondence between a telephone number and at least one characteristic of a calendar workspace item, and processing data relating to a communications event identified by the telephone number on the basis of the detected correspondence. The processing may include triggering a notification for an incoming communications event, such as a telephone call or text message, that is received by a telephony device.In another embodiment processing includes detecting a correspondence between at least one characteristic of a stored communications event workspace item and at least one characteristic of a calendar workspace item, and processing data relating to the communications event on the basis of the detected correspondence. This processing may include filtering a plurality of communications event workspace items, and displaying one or more of the filtered items.