Enhancement of VoIP data uplink coverage, a terminal and a base station

Example discloses a method of enhancing the speech data based on Internet Protocol VoIP uplink coverage according to the present invention, a terminal and a base station, relates to the field of communications technology, to enhance uplink coverage of the VoIP data to the invention. The method comprises: determining the logical channel of the VoIP data to be transmitted, and the compression air interface overhead certain transport block size TB size; TB size according to the target of the determination will be transmitted over the air interface to the determined logical channel data VoIP air interface overhead cost in accordance with the determined compression compression method, to obtain the target VoIP data; transmitting the VoIP data to the target base station. Embodiments of the present invention is mainly used for transmission of VoIP data.