A portable telephone, a control method thereof, and a recording medium are provided. The portable telephone operates a plurality of microphones and speakers included in a voice input/output unit, senses and compares voice signals, which are input through the plurality of microphones, and controls the outputs of the plurality of microphones and speakers based on the result of the comparison. Accordingly, a user can conveniently hold a conversation over the portable telephone regardless of the position or direction, in which the user holds the portable telephone.