Methods and systems for controlling the receipt and transmission of audio transmissions are provided. In one embodiment, a method is provided that includes selecting a first audio channel and transmitting a first audio transmission using the first audio channel. A second audio transmission may then be received that contains an acknowledgment of the first audio transmission. In certain instances, the second audio transmission may be received on the first audio channel. If a second audio transmission is received on the first audio channel, it may be determined that the first audio transmission was successfully received by another computing device.