A media gateway (34.2) comprises a line interface (54) comprising at least one input port, which is connectable to a time division multiplex (TDM) communications carrier. The at least one input port being configured to receive input data in at least one of a) clear channel data in a data carrier type and b) TDM framed in a primary rate carrier. The gateway comprises an extractor (66) for extracting the clear channel data and a formatter (64) for formatting the framed data. The gateway further comprises an interface (67) for making the extracted data and/or formatted data available as packet data network (PDN) data at a PDN output port of the gateway.