A presence aware communications system, comprising a messaging system configured to perform at least one of the following operations: (a) provide a subscriber's communication device with information regarding an incoming contact during a messaging session between the subscriber's communication device and the messaging system; (b) provide the subscriber's communication device with a text message containing information regarding one or more messages when a notification is received that the subscriber's communication device is available; (c) provide the subscriber's communication device with a text message relating to a voice message from a different first party received by the messaging system; (d) in response to the subscriber's communication device requesting a connection with at least one of an inputted telephone number and address, provide the subscriber's communication device with a notification respecting at least one eligible message from a second party associated with the at least one of an inputted telephone number and address; (e) while a contact between the subscriber and a different third party is in progress, provide the subscriber's communication device with information respecting the at least one eligible message from the third party; (f) transform an audio messaging session between the messaging system and the communication device of a contacting party into a graphical user interface-based audio session; and (g) transform the audio messaging session into a session having a video channel or both audio and video channels.