A method for transferring voice and non-voice data in a wireless communication system, the method comprising receiving, during a time period, a voice data block associated with a first logical channel, when the voice data block is present in a wireless channel set during a time period, wherein the wireless channel set comprises at one wireless channel or a plurality of wireless channels; receiving a non-voice data block associated with a second logical channel, when the non-voice data block is present in the wireless channel set during the time period, wherein the wireless channel set is associated with a subscriber unit, and when the non-voice data block is missing in the wireless channel set, information is inserted into a non-voice block; and processing the information in the non-voice block.