A method of processing multimedia calls in a multimedia telecommunications network. The method comprises: receiving at a first network element a multimedia call from a caller using a first communication device to a prepaid wireless user using a second communication device, the prepaid wireless user having an amount of airtime remaining for the second communication device; displaying in real-time a plurality of available call features and the amount of airtime remaining on the second communication device; prompting the prepaid wireless user to select the call features from the plurality of available call features via the second communication device; receiving the user's selected call features at the first network element; routing the selected call features from the first network element to a second network element and then to the caller; setting up the call according to the selected call features; and connecting the call.